NGF 110 Sh4 desktop horizontal milling machine

Safety precautions

The instructions require careful study; without them you cannot begin operation.
When installing the machine, you must carefully follow the recommendations given by the manufacturer. You must ensure that the table plane remains absolutely level. It is easier to achieve the desired result with the adjustment feet of the equipment. The platform that was used when installing the machine is also suitable. The basic rules are described as follows:

• The coolant reservoir is filled after the basic settings are set. Lubrication of the gearbox components occurs in the next step.
• Spindle speeds are separately adjustable. To do this, simply turn one of the handles to a suitable position.

It is also important to constantly monitor other parameters. This machine has been produced since 1956 by the Rostov plant of small-sized machines MAGSO, under the leadership of the ComTech Plus company. This enterprise itself is part of an industrial group of companies that consolidated its position in the market for the production of small-sized machine tools more than 10 years ago and maintains it to this day.

But what are the technical characteristics of the NGF 110 Sh4 itself and what should you know about it before purchasing?

This enterprise itself is part of an industrial group of companies that consolidated its position in the market for the production of small-sized machine tools more than 10 years ago and maintains it to this day. But what are the technical characteristics of the NGF 110 Sh4 itself and what should you know about it before purchasing?

This machine has been produced since 1956 by the Rostov plant of small-sized machines MAGSO, under the leadership of the ComTech Plus company. This enterprise itself is part of an industrial group of companies that consolidated its position in the market for the production of small-sized machine tools more than 10 years ago and maintains it to this day. But what are the technical characteristics of the NGF 110 Sh4 itself and what should you know about it before purchasing?

Information about the manufacturer of the horizontal tabletop milling machine NGF-110

The horizontal tabletop milling machine model NGF-110 is produced by the Rostov plant of small-sized machine tools MAGSO, KomTeh-Plus , founded in 1956.

ComTech Financial and Industrial Group , which has existed in the machine tool equipment market for several years and has priority in the production of small-sized metal-cutting machines: lathes, milling, vibrating, sharpening, drilling, which equip schools, vocational schools, colleges, institutes, repair and installation organizations of all regions of Russia.

Machines produced by the Rostov plant of small-sized machine tools MAGSO

• NS-16 - tabletop drilling machine Ø 16
• NGF-110Sh3 - low power milling machine 0.6 kW, table size 100x400 mm
• NGF-110Sh4 - low power milling machine 0.75 kW, table size 100x400 mm
• SNVSH - tabletop drilling machine Ø 16
• SNVSH-2 - tabletop drilling machine Ø 16
• TV-4
  - educational screw-cutting lathe Ø 200, RMC 350 mm
• TV-6
  - educational screw-cutting lathe Ø 200, RMC 350 mm
• TV-6M
  - educational screw-cutting lathe Ø 200, RMC 350 mm Dubno
• TV-7
  - educational screw-cutting lathe Ø 220, RMC 330 mm
• TV-7M - educational screw-cutting lathe Ø 220 mm, RMC 275 mm
• TV-9 - educational screw-cutting lathe Ø 220 mm, RMC 525 mm
• TV-11 - educational screw-cutting lathe with frequency converter Ø 240, RMC 750 mm

Features of modifications

The NGF-110 model was the first in a series of desktop school machines. It was modified and widely universal machines began to be produced.

NGF-110Sh1

Distinctive features of the model:

• round trunk;
• the vertical feed steering wheel is located at the base of the screw;
• The gear shift lever on the body is metal.

The bottom plate is cast, low, like the NGF-110 model.

NGF-110Sh3

Visually very different from previous models:

• a rectangular trunk with an arched top - “humpbacked”;
• the base is thin;
• engine start/stop buttons on the column, below;
• next to it is a plate with the model marking;
• plastic balls are screwed onto the ends of the gear shift knobs;
• engine inside the frame;
• vertical transmission is carried out by a handwheel on the console.

The model is considered transitional to the next modification.

110Ш4

The latest, modernized model, which was produced longer than the others. Differs from previous versions of the milling machine:

• a rectangular trunk with an earring moving along its guides;
• base high 100 mm, hollow;
• local lighting;
• Gear shift knobs are completely plastic;
• The label with the marking is located on the trunk.

On the side of the base there are power buttons, inside there is a current transformer for local lighting of 36 V. The motor is located at the bottom of the stand, inside.

Frequently asked questions about NGF-110

Before purchasing the machine, I had several questions. I asked them on this forum, they answered me promptly. After reading almost this entire section of the forum, I realized that the same questions were asked several times before and after me. Therefore, I decided to combine the most frequently asked questions along with the answers into one message, which, I hope, the moderators will attach to the section header and which will be useful to other beginners. Or maybe not for beginners. I also added here (disguised as questions/answers) several links to topics and messages that seemed useful to me, which “I thought I saw somewhere, but finding again would take half a day.”

I wrote some answers based on my own experience, some based on other people’s posts on this forum. I understand that I could well have missed some points or made inaccuracies. Therefore, I ask you to write additions to this topic. But at the same time, I would not like this topic to turn into a long sheet of uninformative messages, so I ask you to refrain from messages that are not related to adding/correcting this FAQ . I will move the additions from your messages to this title (with attribution, of course), and then delete the moved messages and thus keep the size of this thread to a minimum (in a long thread, they usually read the first and respond to the last message :fool: ).

So, I lay it out for your consideration:

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Q: What modifications of the NGF-110 are there, how can you distinguish them visually?

A: There are four known modifications: NGF-110Sh1, NGF-110Sh2, NGF-110Sh3 and NGF-110Sh4.

• NGF-110Sh1 Distinctive features - round trunk, metal gear shift lever, vertical feed with a steering wheel at the base of the feed screw.

Photos from this topic.

• NGF-110Sh2. Google gives the only mention of such a modification - a topic on this forum. More often it is referred to on the forum simply as “round-nosed.” It differs from the NGF-110Sh1 in that it has a gear shift knob instead of a lever and gears (thanks to Retrorest for clarifying this issue), but there are still some doubts (if anyone has information, please share).

Photos from this thread and from this thread and from Mar1lynManson

• NGF-110Sh3. Rectangular “humpbacked” trunk, thin (~30 mm) base, speed shift knobs with balls at the ends, engine start buttons on the column under the speed switches, the engine is hidden in the column, vertical feed handwheel on the console, a plate with the type and year of manufacture is located nearby with buttons.

Photos by the author

• Transitional model from NGF-110Sh3 to NGF-110Sh4. The base is still from NGF-110Sh3, everything else is from NGF-110Sh4. On the nameplate it is designated as NGF-110Sh3.

Photos from this topic and the author. The author's plate was completely painted over, so the machine was initially mistaken for a homemade hybrid.

• NGF-110Sh4. A completely rectangular trunk, a thick (~100 mm) base, in which there are buttons for turning on the motor and a transformer for local 36-volt lighting. Local lighting. All-plastic gear shift knobs. The plate with the type and year of manufacture is located on the trunk.

Photos from this thread and from this thread

• NGF-110Sh4, modern version. Thin base, electrics in overhead box.

Photos from this topic.

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Q: Is there a fundamental difference between NGF-110Sh3 and NGF-110Sh4? Which one is preferable?

O (skripka) : There is no fundamental difference. Sh3 was produced earlier and its quality seems to be better. Sh4 has somewhere to put electrics. They have the same rigidity - it is contained not in the platform, but in the column. The main thing is to look at wear and tear.

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Q: Where can I get documentation for the machine?

A: Here on the website, go to the “files” section, enter “NGF*” (without quotes, but with an asterisk) in the search bar at the top right, and you can also find educational posters in this topic

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Q: How much does the machine weigh?

A: The weight of NGF-110Sh1, NGF-110Sh2 is unknown to the author of these “FAQs” (if you have this information, contact me to add it here), NGF-110Sh3 - 200 kg, NGF-110Sh4 - 240 kg.

The heaviest structural element is the column, weighing about 70 kg.

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Q: How can I transport NGF-110 with minimal effort?

A: When disassembled, the machine is transported in a passenger car. Loading the column requires two people; everything else is loaded and unloaded by one person. You can look at the links in detail and with pictures: one and two. Disassembly takes 20-40 minutes.

Briefly “at your fingertips”:

1. Remove the earring.
2. Loosen and pull out the wedge of the trunk, remove the trunk.
3. Remove the horizontal mandrel (see below) or, if you are very lucky and the machine is equipped with a VFG, remove the VFG and its flange.
4. Release the table clamp (the bolt above the cross-feed handle), loosen and pull out the wedge, unscrew the rear shelf of the table, move the table towards the top using the longitudinal feed until the screw comes out of the nut and then move it to remove the table (do not lose the insert between the clamp and the wedge in the hole latch).
5. Release the console lock (the curved handle with a thread near the guides on the right side of the console), loosen and pull out the wedge, push the console up with a vertical feed until the vertical feed screw comes out of the glass, then remove the console from the guides upwards (do not lose the insert between the lock and the wedge in the hole latch).
6. Unscrew the glass (do not lose the two pins).
7. Remove the rear cover of the column.
8. To make the column lighter, you can remove the motor.
9. From inside the column, unscrew the six bolts securing the column to the base, separate the column, without losing the two pins.

The minimum set of tools is wrenches 19, 17, 14, 13, 8 (for releasing the feed fixing bolt), a 6 mm hexagon, straight and Phillips screwdrivers, tools and devices for pressing out the horizontal mandrel.

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Q: How to press out a mandrel?

A: To press out a horizontal mandrel, you need a piece of pipe with an internal diameter of 40-45 mm, a length of 50..180 mm, a thick washer with a 22 mm hole (a disk cutter is suitable), and a 27 key.

If there are no spacer bushings on the mandrel, you will need a pipe 200...250 mm long; if there is no nut on the mandrel, a VAZ classic hub nut is suitable.

Unscrew the cleaning rod, put the pipe on the mandrel, put on the washer (cutter), the pipe will be spread between the spindle in the column and the cutter, put on the required number of bushings up to the thread of the mandrel and tighten the nut on the mandrel to pull out the mandrel.

If the mandrel is very stuck, you can try to heat the pipe. Expanding from heat, the pipe will additionally stress the mandrel.

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Q: What is the seat size of the cutting tool for NHF?

A: NGF-110Sh1 were produced in two versions - with an ISO-30 taper and with a Morse 3 taper in the spindle. Ш3, Ш4 have Morse taper 3 in the spindle. The VFG spindle has a hole with a Morse taper 2.

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Q: What size are the horizontal mandrel bushings?

A: Internal diameter 22.2, external 35, bushing width - 2 pcs. 40, one - 35, one - 25, two - 15 and one - 10.

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Q: Can I use an earring from another machine?

A: The hole for the split mandrel sleeve in the shackle is bored individually on each machine. When using an earring from another machine, the hole will have to be rebored in place. You will also have to make a new bronze split or adapter bushing for the increased hole diameter. Here is a link to a post describing the boring process.

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Q: How tall should I make a bedside table for the machine?

A: Depends on your height and machine model. The bedside table for NGF-110Sh4 should be 100mm lower than the bedside table for NGF-110Sh3 due to the greater thickness of the base. “On average for the forum,” the height ranges from 480 mm for NGF-110Sh4 to 800 mm for NGF-110Sh3. When predominantly using the native VFG, it is advisable to make the height 50 mm higher than when used in the horizontal version.

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Q: What kind of oil and how much should I pour into the machine? Is it possible to fill a car?

A ( KimIV , VVKV, etc. ): The instructions indicate I-30 oil. Fill up to the marks on the indicator window (the window is located on the right side of the machine and is sometimes painted over). The bearings are lubricated with oil poured into the box; they do not need their own lubricant. No one who has filled in car oil has complained yet.

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Q: What seal should be in the front spindle cover?

A: Normally there is no seal there. Oil from the spindle thickening is sprayed by centrifugal force and enters the annular groove of the cover, from where it flows back into the column through the drain hole in the cover and column. If you have oil leaking through the spindle cover, either the cover is installed incorrectly (it is turned and the drain hole of the cover is not at the bottom), or the drain hole is clogged in the cover or column.

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Q: In which direction should the horizontal spindle rotate?

A: If you look at the horizontal spindle from the shackle side, the direction of rotation should be counterclockwise. Otherwise, when using a horizontal spindle, chips will fly towards the operator, and when using a VFG, the cutter will rotate in the opposite direction.

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Q: Is it permissible to switch the engine to rotate in the opposite direction?

O ( skripka ): Acceptable, but the fastening bolt of the receiving pulley was observed to be unscrewed. The gearbox has no restrictions on the direction of rotation.

O ( kontric ): An oil spreader is installed on the input shaft of the box. Its blades are bent in one direction. When changing the direction of rotation, its efficiency will greatly decrease, kmk. Further. When the cutter rotates clockwise, the console will be pushed by the cutting force to the left (when working with a horizontal spindle) and rest against the right vertical guide of the column with a stopper, which is not good. With the correct direction of rotation, the console will be pressed against the column guide (this time the left one) with the entire length of its guide

O ( O-Witte ): During reverse rotation, when working with thin phrases without a key, when the cutter jams, the nut on the sender unwinds and the cutter turns. But with the correct rotation, you can break the phrase, alas...

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Q: What bearings can be installed in the feed?

A: Of course, persistent. Here are some posts about installing thrust bearings:

• TomaTLAB
• Ferroman
• Alexander_77
• Edison
• Kim IV

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Q: What bearings are used in the machine?

ABOUT:

• On the spindle 2 pcs. 46208 and 1 pc. 206, all three accuracy classes 5.
• On the intermediate shaft 2 pcs. 303 accuracy class 0.
• On the input shaft 1 pc. 303, 1 pc. 204, both accuracy classes 0.
• On the vertical feed screw 1 pc. 8104 accuracy class 0.

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Q: What bearings are used in VFG?

A: According to this message

2 pieces 36206E and 1 piece 205 on the spindle, plus 46205L and 36205L on the secondary shaft and 2 pieces 202 plus 1 piece 8102 on the input shaft.
Of course, for the spindle you need to take bearings of a higher class, no worse than 5th.

A 205 at the rear end of the spindle will be enough; it only takes radial loads there.

Addition from the author of the FAQ: it is better to replace the outer 202 on the input shaft with 160202 (6202 RS, closed on one side) or 180202 (6202 2RS, closed on both sides), this will prevent chips from getting into the bearing and squeezing out the lubricant through the bearing. Also, several members of the forum have both bearings on the secondary shaft that cost 46205L from the factory.

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Q: Where can I read about noise reduction and VFG adjustment?

A: A lot of useful information can be found in these topics:

• "The Story of One Head (WFG)",
• “Inside the WFG” (message from Petr2 ),
• "The head of the NHF - getting rid of the noise."

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Q: How can I expand the capabilities of the machine?

ABOUT:

• Increasing the vertical feed stroke (refinement of the cup).
• Slotting head from Elin
• Slotting head from door closer from drakon30
• Automatic feeders from Elin
• Drive of vertical and longitudinal feeds from a gravity apex
• "low profile" clamping device from Anatoly 57
• turntable from starij
• autofeed from hoakinn , also from avtogen
• auto feed from maka13

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Q: What can you come up with if there is no regular WFG?

A: This topic contains links to self-production options published on the forum.
Modified on March 17, 2016 by Edison, don’t pay attention, I’m in a hurry

Machine adjustment

During the operation of the machine, the need arises to adjust individual components and elements in order to restore their normal operation.

Spindle bearing

If spindle play occurs, it is necessary to loosen the spindle locknut, then adjust the normal tension and fix the position with the locknut.

Clearances in guides

Gaps in the guides of the console with the frame, the guide slides of the table and console, the guides of the table and slides are eliminated by tightening the wedges with screws in the appropriate mates so that after establishing a normal gap, the movement would be smooth and without much effort.

Backlash of longitudinal and transverse screws

Backlash in the screws of the longitudinal and transverse stroke of the table occurs due to wear of the bronze uterine nuts, which are replaced with new ones.

Modifications of the desktop horizontal milling machine NGF-110

manufacturer: Plant No. 5 named after. Dzerzhinsky, city of Shchelkovo, Moscow region, village named after Sverdlov.

manufacturer: Sapozhkovsky Mechanical Plant No. 7, Sapozhok city, Ryazan region.

manufacturer: , founded in 1956.

manufacturer: , founded in 1956.

• N – desktop machine;
• G – horizontal machine;
• F – milling machine;
• 110 – largest diameter of cutters used on the machine (mm);
• Ш – school;
• 1, 2, 3, 4 – machine model.

NGF-110sh3 General view of the universal milling machine

Photo of desktop milling machine NGF-110sh3

Photo of desktop milling machine NGF-110sh3

Photo of desktop milling machine NGF-110sh3

Photo of desktop milling machine NGF-110sh3

Brief description of the machine

The NGF-110Sh4 machine allows you to perform milling operations for processing vertical and horizontal planes, grooves and other surfaces with cylindrical, disk, end, end, corner and shaped cutters.

A cast iron frame (stand) of trapezoidal cross-section ensures the rigidity of the machine.

Installing a vertical milling head VFG allows you to additionally process vertical planes, as well as planes at a certain angle up to 450 clockwise and counterclockwise.

The rigid classic design allows you to confidently process both steel and light alloys. The machine has increased reliability and ease of operation.

It is indispensable for gaining initial skills in working on milling machines, and when equipped with a vertical head, it can be used as training equipment for training in the milling machine profession.

The machine corresponds to accuracy class “N”.

Specifications:

NGF-110 Kinematic diagram of a milling machine

Kinematic diagram of the NGF-110sh4 milling machine

Kinematic diagram of the NGF-110sh4 milling machine

Kinematic diagram of the NGF-110sh4 milling machine

Rotation from electric motor I is transmitted by a V-belt transmission to gearbox shaft II (Fig. 7). Next from shaft II. rotation is transmitted to shaft III and then to spindle IV through gears 4, 5, 6, fixedly mounted on shaft II, movable triple and double gear blocks sitting on shaft III and gears 12, 13 fixedly mounted on spindle IV.

Movable gear blocks allow six different spindle speeds to be achieved (see spindle speed graph).

Design Features

The NGF-110 machine is distinguished by its simple design. Some models have survived and continue to work in home workshops. The model does not have mechanical feeds; all work is done manually.

Console

The console is the basic unit of the feed mechanism. It moves horizontally. The helical clutch converts the rotation of the screw into linear motion. The movement handle is located at the bottom.

Table

The table has one longitudinal T-shaped groove on the working surface for fastening workpieces and a vice. In the longitudinal direction, the table moves along guides on the slide, and together with them moves along the console along the mandrel. The handwheels on the ends of the screws are located on the left side of the table and directly on the slide.

Rack

The conical stand is mounted on the machine plate. Inside, its cavity is divided horizontally into 2 parts. At the bottom there is an electrical cabinet. Above is the gearbox and spindle assembly. A round trunk is fixed above them.

On the top left of the case is the gear shift knob. On the left is a lever for clamping the trunk. There are guides in front along which the console moves vertically. The motor is mounted to the side or below the base under the table top. It is connected to the gearbox drive shaft pulley by a belt drive behind the rack.

Trunk with earring

The round trunk passes through the bushings at the top of the post. It moves along the axis manually and is fixed motionless by a wedge during operation. The trapezoidal-shaped earring has a hole equal in size to the diameter of the trunk and is clamped onto it with a nut. The mandrel is fixed in it in the same way. Free rotation is ensured by a bearing.

Protective screen

The glass, inserted into a metal frame, is moved into position manually and held by a lever stand. It is located on the left side of the body.

Important! On the surviving NGF-110 machines, the protective screens are broken. Masters make new ones.

Special plate with equipment

Modernized machines, such as the widely universal NGF-110Sh4, have a high plate at the bottom. Its cavity contains electrical equipment, a push-button switching unit and a transformer. The rest have a screw attached to them to lift the console and a start button on the side.

Light source

Lighting is connected separately. The lampshade and lamp are attached with a long flexible stand to the side of the frame, above the electrical cabinet.

Mandrel

The mandrel is attached to the spindle cone, the free end is inserted into the shackle. To install the cutter in the desired position, spacer rings of various lengths and diameters are used. They are included in the tools kit.

A long key is inserted into the longitudinal groove, which allows you to fix the cutter and transmit rotational movement to it. A VFG is installed on the mandrel for drilling and milling the side surfaces.

Specifications

Part processing is carried out by moving the part mounted on the machine relative to the rotating tool.

Technical characteristics of the machine NGF-110:

• machine power 0.55 kW;
• spindle speed 125-1250 rpm;
• number of spindle speeds 6;
• table size 100×400 mm;
• number of T-slots 1;
• longitudinal movement of the table 250 mm;
• transverse – 85 mm;
• maximum cutter diameter 110 mm;
• maximum distance between the spindle axis and the table surface is 117 mm;
• machine dimensions 685×64×925 mm.

The displacement of the table by one division of the dial is equal to the transverse and longitudinal movement of 0.05 mm.

General view and controls of a school metal cutting machine

NGF-110 is a single-column milling machine with a cast base in the form of a shaped plate. In the corners it has holes in the ears for fastening to the table, and horizontal adjustments during installation. In the front part there is a console with a table and sled. On top there is a round trunk with an earring. On the sides, a lamp with lighting and a protective screen are attached to the body.

The engine is located at the rear and is connected to the gearbox by a belt drive. It is turned on by buttons at the bottom of the machine. The spindle speed switching handle is on the side of the stand. On the slide and the end of the table there are flywheels with movement control handles. The table is raised vertically by a handwheel at the very bottom of the screw.

Reference! The trunk extends to a given size manually and is held motionless by a handle located at the top left.

Purpose and scope

The machine of this model was called a school machine. The main reason is that the equipment is involved in teaching the basics of milling to high school students. The machine performs the following additional functions:

• Processing of grooves and horizontal surfaces.
• Working with curved planes that have a certain bend angle.
• Processing planes vertically.
• Up and down milling.

If there are no small chips, the machines can process products made of non-ferrous metals. The desktop horizontal unit must not be used in cases with other metals that do not meet this requirement.

List and location of components

This equipment belongs to a variety of widely universal machines. For educational purposes, the technical characteristics can be called ideal. The machine contains the following components:

• Mandrel.
• Lighting is locally supplied from a separate source.
• A special plate on which electrical equipment is placed.
• Screen for protection.
• Trunk with earring.
• Vise.
• The speed box is mounted on a stand.
• Table for installing the sled.
• Console.

A standard push-button station is used for control. This simplifies operation and increases safety for users. Two additional levers are used to select the rotation speed of the spindle assembly. There are three flywheels, they were already mentioned earlier.

There are three directions in which the table moves:

• In a place with consoles, along the rack guides. This is vertical.
• In the case of longitudinal movement, the support is on the slide guides.
• Movement based on cantilever guides, if we are talking about a transverse plane. Then the work surface and the slide move simultaneously.

Read also: How to measure a battery with a multimeter

Three additional screws are provided to the table structure. Each of them has its own separate task:

• Clamping the slide on the console.
• Clamping with a slide directly on the working surface.
• Performing feed in the longitudinal direction.

Two nuts are suitable for simultaneously adjusting the feed lengthwise and crosswise.

The mandrel allows you to fix the workpiece, which is used together with the unit. A nut and several mounting rings allow you to connect the structure into a single whole. A mandrel is mounted into the earring support, with the other end. The earring support is installed in the trunk. Thanks to this device, the cutters remain as rigid as possible.

Electrical diagram of the NGF-110sh3 milling machine

Electrical diagram of the milling machine NGF-110sh3

The electrical equipment includes: a three-phase squirrel-cage asynchronous electric motor installed in the lower compartment of the rack, and machine plates installed in isolated niches, a magnetic starter, terminal blocks, switches, and a push-button control station.

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Description of the main components of the NGF 110 milling machine

“Dovetail” is the place where the trunk of the training machine is installed. The top section of the unit rack is where the part is installed. A special wedge is used for clamping. By tightening the screw, users can securely fasten this structure. The movement of the trunk is done only manually.

The earring is in the front. Its dimensions are adjusted to the parameters that each of the specific machines has. You cannot rearrange earrings among different units.

The connection between the trunk and the earring occurs with the participation of a nut. The earring is equipped with a bushing, essentially a bearing. It is made from a bronze alloy. The outer surface is a cone, cuts along are the main elements of the part.

Sometimes the gap inside the bushing changes its position, but periodic repairs help to cope with the problem. The same applies to regular lubrication, for which a composition designated I-30A is used.

If the bearing heats up too much during equipment operation, then it’s time to at least carry out diagnostics.

The machine stand is one of the basic components. The rest of the working units and mechanisms are mounted on it. It has its own characteristics.

• Section with a trapezoidal shape in height.
• Well developed base.
• Thanks to such details, the structure boasts a high level of rigidity.

Any rack is equipped with two compartments, top and bottom. Below is the electric engine, at the top is the gearbox. The latter supports six gears and is equipped with three shafts.

The spindle assembly moves at certain frequencies, controlled by the gearbox. Shift handles allow you to easily select the desired indicator for a specific situation. The handles themselves are located on the left side of the milling equipment.

The gearbox is closed using a special cover, which must be removed when carrying out inspections of the equipment.

The main element in the feed mechanism is the machine console. Guides – places for mounting the slide with the working surface. The classic-looking spindle is a hollow shaft with two supports. The part neck goes to the radial type bearing from the back. The part at the back is directed towards the other two radial bearings.

The parts fit rings and spacer elements between each other. The spindle assembly also has a compensation ring. This will protect against axial displacement of the structure.

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Entrance:

Information correct on Sun, 26 Apr 2022 00:52:50 +0300

How do the trunk and gearbox work together with other components?

To install the trunk on this tabletop machine, “dovetails” are used, which are located in the upper part of the unit rack and are clamped using special wedges to ensure structural rigidity. This, in turn, is tightened tightly by tightening the screw and spindle, which allows you to securely fasten the unit and ensure safe use of the device at school. A special earring, individual for each configuration, is inserted into the front part of the trunk, which is prohibited from being reused. But even taking all this into account, milling on such a machine still cannot be done.

Next, the trunk is tightened with the earring using a nut and the first bearing is located, consisting of an alloy of bronze and several other metals. For the convenience of the router, it has several longitudinal cuts and an outer surface in the form of a cone.

Design of the machine NGF 110 Ш4

The base of any machine is considered to be its stand, on which each mechanism and working unit is mounted. The stand is made from bottom to top using a trapezoidal section, and is placed with a massive base towards the floor. This ensures a rigid structure on any surface. It includes several compartments - upper and lower. The first contains a gearbox (6 in total), a spare spindle and 3 shafts, and the second contains an electric motor, which runs the entire device, allowing it to prepare parts according to the master’s drawings.

NGF-110Sh4 Dimensions of the working space of the milling machine

Dimensions of the working space of the NGF-110sh4 milling machine

Sketch of a trunk with an earring of a horizontal milling machine NGF-110

1. trunk
2. earring
3. screw
4. earring sleeve
5. screw

The stand in the upper part has dovetail-type guides in which trunk 1 is installed. The trunk can be moved along the guides manually. The trunk is clamped to the guides using a wedge, which, when the screw is tightened, is tightened and secures the trunk to the stand.

An earring 2 is installed at the front end of the trunk. The earring on the trunk is tightened with a nut 5. Rearranging the earring from one machine to another due to individual adjustment is not allowed.

The bronze bearing-sleeve of the earring 4 has a conical outer surface and two longitudinal cuts, due to which the clearance in the bearing is adjusted with a nut 3.

Before starting work, it is necessary to lubricate the inner cavity of the earring bushing with I-30A oil.

The gap adjustment is determined by the heating of the shackle bushing (when running for one hour at maximum spindle speed, the heating of the bushing should not exceed 50-60 ° C, with sufficient lubrication).

The mandrel is designed for fastening cylindrical disk and other cutters.

The cutters are mounted on the mandrel using mounting rings and a nut.

To ensure the rigidity of the cutting tool, the free end of the mandrel is installed in the support of the shackle. The earring is attached to the trunk.

School milling machine NGF 110 technical characteristics

Before starting work, the responsible person must carefully check whether the unit is installed and configured correctly. Start of work is allowed only after safety instructions have been given.

The Dubof company produces high-quality furniture according to individual measurements and wishes. They work with high-quality modern equipment, which allows them to offer consumers the execution of any ideas and design solutions.

The mass of the machine is equal to 340 kilograms. The final weight of the workpiece along with the occupied area is taken into account separately. The equipment has the following dimensions in millimeters:

The main work is performed on a table mounted separately on the unit. It’s good if you can choose an option with height adjustment.

The characteristics of the technical plan are accompanied by the following description:

• 6-horizontal spindle supports so many speeds.
• The spindle head allows adjustment of rotation speeds. Its limits are 125-1250 rpm.
• The displacement along and across to the bottom of the limb is 0.05 mm. For the vertical, the indicator is 0.25 mm.
• To fix the workpiece, use one T-shaped slot for the table.
• Certain parameters are observed when moving the table. For the vertical it is 17 cm, in the case of the transverse direction - 8.5 cm. Longitudinal movement - 25 cm.
• 11 centimeters is the maximum diameter for a cutter that is installed on the machine.
• 85 millimeters - this is how far the horizontal trunk is from the spindle, which makes fixing easier.
• Desk with dimensions 10 by 40 cm.

The main machine drive begins to move due to the electric motor and its operation. The standard power of modern installations is 0.55 kW. Some standard features are excluded:

• Additional effort applied for each serve.
• Rotating movements.
• Acceleration of the working part.

The machine will not help small-scale, professional production facilities.

Local lighting comes from lamps standing on the machine. During installation, flexible corrugation is used. It allows you to adjust the position in relation to the part being processed.

Technical characteristics of machine tools models NGF-110Sh4

Bibliography:

1. Tabletop horizontal milling machine NGF110Sh4. Operating manual, 1984
2. TU 79 RSFSR 441-79
3. Avrutin S.V. Fundamentals of Milling, 1962
4. Avrutin S.V. Milling, 1963
5. Acherkan N.S. Metal-cutting machines, Volume 1, 1965
6. Barbashov F.A. Milling business 1973, p.141
7. Barbashov F.A. Milling work (Vocational education), 1986
8. Blumberg V.A. Milling machine handbook, 1984
9. Grigoriev S.P. Practice of coordinate boring and milling work, 1980
10. Kopylov R.B. Working on milling machines, 1971
11. Kosovsky V.L. Handbook of a young milling operator, 1992, p. 180
12. Kuvshinsky V.V. Milling, 1977
13. Nichkov A.G. Milling machines (Machinist's Library), 1977
14. Pikus M.Yu. A mechanic's guide to repairing metal-cutting machines, 1987
15. Plotitsyn V.G. Calculations of settings and adjustments of milling machines, 1969
16. Plotitsyn V.G. Setting up milling machines, 1975
17. Ryabov S.A. Modern milling machines and their equipment, 2006
18. Skhirtladze A.G., Novikov V.Yu. Technological equipment for machine-building industries, 1980
19. Tepinkichiev V.K. Metal cutting machines, 1973
20. Chernov N.N. Metal cutting machines, 1988
21. Frenkel S.Sh. Handbook of a young milling operator (3rd ed.) (Vocational education), 1978

Related Links. Additional Information

• Milling machines: general information, classification, designation
• School lathes. Review
• Comparative characteristics of cantilever milling machines of the 6N, 6M, 6R, 6T
• Feed box for console milling machines of the 6M : 6M12P, 6M13P, 6M82, 6M83, 6M82Sh, 6M83Sh
• Feed box for console milling machines of the 6P : 6P12, 6P13, 6P82, 6P83, 6P82Sh, 6P83Sh
• Feed box for console milling machines 6T : 6T12, 6T13, 6T82, 6T83, 6T82Sh, 6T83Sh
• Milling machine repair technology
• Adjustment of milling machines
• Friction clutch. Friction shaft. Friction clutches in metal-cutting machines
• Automatic cycles of milling machines (6P12)
• Testing and checking metal-cutting machines for accuracy
• Directory of universal milling machines
• Manufacturers of metal-cutting machines in Russia
• Manufacturers of milling machines in Russia

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Design and scope of the machine

Model NGF-110 is designed for horizontal processing of steel blanks by milling. When installing an additional vertical milling head, the functionality of the machine increases significantly.

Equipment of this type is conventionally divided into several models. The most common is the machine of the NGF-110-Sh4 series. It differs from the basic version in its wide versatility (W) and belongs to the fourth generation. The difference between the models does not affect the general principle of arrangement of elements.

The design and technical features of the NGF-110-Sh4 machine include the following nuances:

• stand design. In its upper part there are dovetail guides along which the trunk moves. This is done manually. For fixation it is necessary to use a special wedge;
• simplified frame shape. It is designed for installing cutters of various shapes. They are clamped to the frame using a set of rings and a nut;
• desktop versatility. It has a three-way displacement mechanism. This simplifies the milling procedure of the workpiece.

The rigidity of the stand is ensured by its trapezoidal shape. It is divided into two sections. The gearbox is located at the top. To install the electric motor, the designers provided a niche in the lower part of the rack structure.

On the console there is a table with a slide. The workpiece is mounted on it, which moves relative to the cutter in three directions. Feeds are carried out from different screws. Therefore, the worker should be careful when simultaneously changing the position of the workpiece.

Reviews

The NGF-110 machines are over 50 years old, but DIY enthusiasts still use them. Reviews of the machine from their owners.

Yuri is 27 years old. The machine is awesome. My father put a vertical head on it, and even managed to mill door handles. He constantly sharpened chisels and straightened knives. Anton is 46 years old. Nice machine. Suitable for small workshops, garages. I do interesting things with it.

The NGF-110 machines, created for teaching children, are popular among tinkerers. They are easily restored and repaired thanks to a simple mechanism. The equipment is characterized by high purity of processing. Installing a vice and VFG increases the number of operations performed on the machines.

How do the trunk and gearbox work together with other components?

To install the trunk on this tabletop machine, “dovetails” are used, which are located in the upper part of the unit rack and are clamped using special wedges to ensure structural rigidity. This, in turn, is tightened tightly by tightening the screw and spindle, which allows you to securely fasten the unit and ensure safe use of the device at school. A special earring, individual for each configuration, is inserted into the front part of the trunk, which is prohibited from being reused. But even taking all this into account, milling on such a machine still cannot be done.

Next, the trunk is tightened with the earring using a nut and the first bearing is located, consisting of an alloy of bronze and several other metals. For the convenience of the router, it has several longitudinal cuts and an outer surface in the form of a cone.

Design of the machine NGF 110 Ш4

The base of any machine is considered to be its stand, on which each mechanism and working unit is mounted. The stand is made from bottom to top using a trapezoidal section, and is placed with a massive base towards the floor. This ensures a rigid structure on any surface. It includes several compartments - upper and lower. The first contains a gearbox (6 in total), a spare spindle and 3 shafts, and the second contains an electric motor, which runs the entire device, allowing it to prepare parts according to the master’s drawings.

If you find an error, please select a piece of text and press Ctrl+Enter.

NGF 110 milling machines are suitable for teaching high school students the basics of the craft. The equipment has been working stably in factories and workshops for many years.

The equipment represents a class of technology for study. "MASGO" from the city of Rostov-on-Don is a specialized enterprise responsible for the production of the machine.

Small dimensions and modest weight make NGF 110 milling machines easy to install in special classes and help solve various problems.

Before starting work, the responsible person must carefully check whether the unit is installed and configured correctly. Start of work is allowed only after safety instructions have been given.

The Dubof company produces high-quality furniture according to individual measurements and wishes. They work with high-quality modern equipment, which allows them to offer consumers the execution of any ideas and design solutions.

The mass of the machine is equal to 340 kilograms. The final weight of the workpiece along with the occupied area is taken into account separately. The equipment has the following dimensions in millimeters:

The main work is performed on a table mounted separately on the unit. It’s good if you can choose an option with height adjustment.

The characteristics of the technical plan are accompanied by the following description:

• 6-horizontal spindle supports so many speeds.
• The spindle head allows adjustment of rotation speeds. Its limits are 125-1250 rpm.
• The displacement along and across to the bottom of the limb is 0.05 mm. For the vertical, the indicator is 0.25 mm.
• To fix the workpiece, use one T-shaped slot for the table.
• Certain parameters are observed when moving the table. For the vertical it is 17 cm, in the case of the transverse direction - 8.5 cm. Longitudinal movement - 25 cm.
• 11 centimeters is the maximum diameter for a cutter that is installed on the machine.
• 85 millimeters - this is how far the horizontal trunk is from the spindle, which makes fixing easier.
• Desk with dimensions 10 by 40 cm.

The main machine drive begins to move due to the electric motor and its operation. The standard power of modern installations is 0.55 kW. Some standard features are excluded:

• Additional effort applied for each serve.
• Rotating movements.
• Acceleration of the working part.

The machine will not help small-scale, professional production facilities.

Local lighting comes from lamps standing on the machine. During installation, flexible corrugation is used. It allows you to adjust the position in relation to the part being processed.

NGF110Sh4 - for yourself, in the garage...

I welcome again forum members, owners of NGFs, VNFs and those simply interested.

The topic, of course, should have been “pushed” back in the fall of last year, but it so happened that

circumstances did not allow us to work closely on the unit and it sat untouched

almost a year. But it’s necessary! - necessary! Because I feel like there will be questions and ideas!

I got this device thanks to one of the forum members (by the way, a fellow countryman, Omsk). I went then

came to him for a box of TVs and casually started talking about the milling cutter. For your hobiyno

garage work, I needed a small-sized and universal unit with average accuracy

processing and simplicity of the design of the units. Which became the version of the desktop horizontal

milling cutter type NGF110Sh4. used for training in crafts and schools.

And just in time for autumn, the money had accumulated and a fellow countryman called - there is a milling cutter, take it!

We were pleased with the almost complete condition and scant wear of the unit’s components. Having arrived to pick up the NGF in a friend’s pickup truck ( Evgen_matross - thank you!) We didn’t particularly imagine that there would be difficulties with loading... but nothing, the five of us were stuck with an articulated column with a plate and a motor))) But also It was worse to drive it to the “base”, although they were taken away as it should be for such loads, it didn’t matter - when they began to overcome the railway crossing (under the hill) some idiot in a Toyota settled in behind the pickup truck... for some reason it seemed to me that it’s about to fall off, blow the side to hell and break the soot with the NGFin engine) But nothing, everything turned out to be quite rigidly fixed and slowly delivered to my “base”. As luck would have it, it was evening, it was getting dark and there were no boards or channels (I was already ashamed) how to remove it from a pickup truck in three people)) in general they lowered it without injuries.

All evening I was already fully dismembering the column with its base and bringing the units of the unit into the “turning machine”. Delight and a continuous stream of thoughts about the purchase, mixed with the smell of preservative lubricant, charged my head. I didn’t feel like sleeping at all (it was already 2.00 am!)

These were the impressions that day - I felt like a toddler who had bought a long-awaited bicycle!

Well, then as usual - slowly, I began to disassemble and look at a teaspoon a day, while simultaneously reading the forum.

The complete set was as follows - a cabinet (stove), a column, a console, a trunk with an earring, a mandrel with a cleaning rod, there was not enough table and nuts, nuts for the earring and the mandrel, and so on in little things.

With wedges it’s generally an ambush - only the trunk is available and it’s a little bent. In principle, the issue of wedges stopped me from reviving the machine.

I found the table quickly! Here on the forum. But the screw with nut and wedges became a “five-year plan”

While there are no wedges, I started installing the installation space (pedestal). I built it from a thick corner, fastening it on the sides with cross sections. The base of the router had to be adjusted with a grinder, because A casting defect prevented a normal fit to the cabinet.

Well, everything there is on four bolts and screwed on.

The photos are still old, taken from a phone. Nevertheless, I tried to take a lot of photos, including the famous “electric motor plate”, which many people often don’t have when buying an NGF. It’s not difficult to

designs, but it’s convenient when you have a sample.

At the moment the router is standing on the stand,

the coordinates have been partially collected (except for the table), the electrics are connected to 220V (the machine was mounted at 380V)) through the conductors - 2x25mKF, 400V in a star circuit.

No matter how long I want it, the wedges and screw will not come by themselves. Fellow countryman Kot (Omsk) , for which I thank him!!! He really said it - in the time you’re waiting for the wedges, you could have planed it yourself!

And in truth, I took a couple of strips of 8-gauge steel, cut it with a grinder, then finished it with sandpaper and a homemade scraper from a cutter... in the end I cut two wedges (vertical and transverse) in a week.

Unfortunately, there are no photographs of the wedge making process - I didn’t want to be distracted while “the muse rushes.” The wedge from the trunk served as a sample. Po inserted it into the feeds one by one and made notes on the dimensions with a marker...

Now I’m working on the table feed screw directly - longitudinal. I picked it up from some kind of car jack. Thread ladder, step 2, nut and screw steel. the nut is damp. I'll add a photo later.

Special thanks to the forum! Also to the seller of the machine! For an adequate price and a good machine! And

friend and workmate for the provided transport! guys - respect to you!!! :good: :good: :good:

That's all for now, to be continued...

What it offers and how to order

can offer not only a machine, but also cutting tools, technological and tool equipment, coolant, i.e. everything necessary for its successful operation. Tools, equipment, coolant are selected based on the technological development of the received technical specifications. Our service department provides comprehensive operational support and high-quality warranty and post-warranty service.

To make a request for a portal CNC milling machine, please contact us using our toll-free number 8-800-333-0-222

or send an application with technical specifications by email. You can also make a request using the feedback forms on our website or by contacting the representative office of your region.

Equipment operating rules

To carry out preparatory work on the NGF-110-Sh4 machine, it is necessary to study the operating instructions in detail. It describes in detail methods for carrying out preventive maintenance, methods for replacing and turning cutters, and reference characteristics of equipment.

Installation of the machine is carried out only in accordance with the manufacturer's recommendations. The surface of the desktop must be level. To achieve this, you can use the leveling feet of the equipment or the platform on which the machine is mounted.

Basic rules for operating the NGF-110 machine:

• equipment startup. After setting the initial parameters, it is necessary to fill the coolant reservoir. Then the gearbox components are lubricated;
• spindle speed adjustment. This is done using handles. It should be turned until the pointer reaches the desired position;
• rules for fastening the cutter. Place the cutter in the mandrel so that their grooves coincide. Secure the cutter using the mounting rings. The final fastening of the cutting tool is carried out using a nut;
• mandatory compliance with safety regulations. Work must be carried out only in special clothing, using personal protective equipment. When changing a cutter to another, you should wait until the spindle head comes to a complete stop.

A video review of the NGF-110 series machine will help you become more familiar with its capabilities:

NGF 110 milling machines are suitable for teaching high school students the basics of the craft. The equipment has been working stably in factories and workshops for many years.

The equipment represents a class of technology for study. "MASGO" from the city of Rostov-on-Don is a specialized enterprise responsible for the production of the machine.

Small dimensions and modest weight make NGF 110 milling machines easy to install in special classes and help solve various problems.

Before starting work, the responsible person must carefully check whether the unit is installed and configured correctly. Start of work is allowed only after safety instructions have been given.

The Dubof company produces high-quality furniture according to individual measurements and wishes. They work with high-quality modern equipment, which allows them to offer consumers the execution of any ideas and design solutions.

The mass of the machine is equal to 340 kilograms. The final weight of the workpiece along with the occupied area is taken into account separately. The equipment has the following dimensions in millimeters:

The main work is performed on a table mounted separately on the unit. It’s good if you can choose an option with height adjustment.

The characteristics of the technical plan are accompanied by the following description:

• 6-horizontal spindle supports so many speeds.
• The spindle head allows adjustment of rotation speeds. Its limits are 125-1250 rpm.
• The displacement along and across to the bottom of the limb is 0.05 mm. For the vertical, the indicator is 0.25 mm.
• To fix the workpiece, use one T-shaped slot for the table.
• Certain parameters are observed when moving the table. For the vertical it is 17 cm, in the case of the transverse direction - 8.5 cm. Longitudinal movement - 25 cm.
• 11 centimeters is the maximum diameter for a cutter that is installed on the machine.
• 85 millimeters - this is how far the horizontal trunk is from the spindle, which makes fixing easier.
• Desk with dimensions 10 by 40 cm.

The main machine drive begins to move due to the electric motor and its operation. The standard power of modern installations is 0.55 kW. Some standard features are excluded:

• Additional effort applied for each serve.
• Rotating movements.
• Acceleration of the working part.

The machine will not help small-scale, professional production facilities.

Local lighting comes from lamps standing on the machine. During installation, flexible corrugation is used. It allows you to adjust the position in relation to the part being processed.

Preparing the machine for operation

Before starting you must:

• a) fill the oil reservoir with oil up to the oil indicator marks;
• b) use a grease gun to lubricate all rotation points of the feed screws, for which you need to unscrew the grease screws, lubricate and tighten the screws.

During operation of the machine, it is necessary to constantly monitor the oil level. To familiarize yourself with the machine in detail, it is recommended to run it at idle speed, understand the purpose and operation of the controls, try switching spindle speeds, and also check the supply of lubricant.

In this case, one must keep in mind the following: if, when switching spindle speeds, an obstacle to the movement of the handle is felt, this means that the gears have rested tooth against tooth.

In this case, you should not increase the force; you need to turn the gears by turning the spindle by the knurled nut. After turning the gear, continue switching; changing speeds while moving is not allowed, as this can lead to breakage of the gear teeth.

Setting spindle speeds

Setting the selected number of spindle revolutions is carried out by turning the handle until the locking finger with its tip enters the corresponding slot on the scale with numbers and letters A and B with the corresponding installation of the belt according to the diagram.

To install the belt, you must remove the guard by unscrewing two shaped nuts, and then install the belt and guard.

Fastening the cutter on the NGF-110sh1 machine

Fastening the cutter on the NGF-110sh1 machine

Depending on the type of cutter used, it is fastened using the following methods:

• 1. Insert the milling mandrel with the conical end into the spindle hole, aligning the grooves in the flange of the mandrel with the crackers at the end of the spindle, and secure the mandrel with a tightening screw using a wrench, having previously wiped the conical hole of the spindle and the cone of the mandrel.
• 2. Remove the installation rings from the milling mandrel and put so many rings on the mandrel so that after installing the mandrel it is as close as possible to the bed. When putting the cutter on the mandrel, you need to make sure that the cutting direction of the cutter coincides with the direction of rotation of the spindle. If the cutting direction of a cylindrical cutter does not coincide with the direction of rotation of the spindle, then you should remove the cutter and turn it with the other end. Having put the cutter on, you need to install the remaining mounting rings on the mandrel and tighten the nut. When screwing the nut onto the mandrel, you must ensure that the nut does not cover the neck of the mandrel.
• 3. Install the trunk suspension so that the end (neck) of the mandrel fits into the suspension bearing. The execution of these operations is shown in Figure 20, a and b.
• 4. Secure the cutter to the mandrel by tightening the nut with a wrench and secure the hanger. In this case, it is necessary to ensure that the jaw of the wrench fits tightly on the edge of the nut and cannot break off during operation in order to avoid injury.
• 5. Secure the trunk and lubricate the suspension bearing. When the cutter and the trunk are secured, you can turn on the machine and rotate the milling mandrel with the cutter attached. If the cutter hits when rotating, you should stop the machine and correct the installation or replace the cutter or mandrel. If it is necessary to perform work with face and end mills that have a shank with a Morse taper, installation is carried out with adapter bushings.

Analogs

To train teenagers in milling, a series of NGF-110 machines of various modifications were produced. Manufacturers are now offering multifunctional desktop milling equipment. These are mainly vertical milling machines and universal CNC equipment.

JET JUM-X2 is a highly versatile benchtop milling machine. Has vertical and horizontal spindles. The largest diameter of the disk cutter is 63 mm, the face cutter is 30 mm. Optimum MH50G is a tabletop machine with threading function. There is a head lift drive. The largest diameter of the end mill is 80 mm.

Important! There is a large selection of desktop models on the milling machine market. They are mechanically driven in all gears, high-performance, multifunctional.

NGF-110 Location of machine controls

Location of machine controls NGF-110

List of controls for the milling machine NGF-110

1. handle, spindle speed switching
2. handle, spindle speed switching
3. longitudinal feed handwheel
4. cross feed handwheel
5. vertical feed handwheel
6. push-button control station

Location of machine controls NGF-110