Do you want to buy a drum sanding machine in Russia?

Do-it-yourself drum sander for wood

Every person who has had to deal with wood processing knows the importance of final sanding of the finished product.

This applies to holders for various agricultural implements, wooden furniture, building elements (doors, windows, window sills) and any other wood products. Sanding allows you to remove burrs, as well as make the wood smooth and shiny.

Of course, sanding work can be done using a regular piece of sandpaper or a special attachment on a drill or angle grinder. But this takes a lot of time and does not ensure the ideal shape of the product. Therefore, various grinding machines have been created for such purposes.

Drum Sanding Machine

Most often, in domestic conditions and in small-scale production, a drum grinding machine is used, the device, principle of operation and the possibility of making it with your own hands we will consider in this publication.

Tools

Anyone who was involved in construction work, repairs, restoration of old doors, windows, window sills, etc., was certainly faced with the need for the working surface to be flat, smooth and sliding. Previously, we took sandpaper in our hands, if the surface was large, then we strengthened the sandpaper on a wooden trowel and, stocking up with great patience, began the monotonous, monotonous work of sanding. Now, a lot of devices, so-called grinding machines and machines, have been created to help professionals and amateurs. Using them for certain grinding operations, we make the process of manual labor easier for ourselves by transferring some of the simple functions to the machine. Today we will talk about grinding machines that are used for processing wooden products.

Table of contents:

Purpose, classification and areas of application of grinding machines

Grinding machines are used to reduce the surface roughness of workpieces, as well as to obtain accurate dimensions. Typically, grinding is the final stage of processing pre-prepared parts.

When working on grinding machines, grinding materials and tools are used.

Sanding materials – special powders, pastes, sanding cloths.

Grinding tools include cutting, polishing and grinding tools, wheels, bars and segments.

Depending on their purpose, machines are divided into several types:

— specialized grinding machines.

The classification of machines is based on the following characteristics:

-type of surface to be ground (internal or external, cylindrical or flat);

- type of parts that this machine can process (cylinders, shafts, rollers, racks, etc.);

— design features of machines (centerless, planetary, two-column);

— features of the elements of the processed parts (slots, threads, profiles, etc.).

The area in which grinding machines are used is very wide. Recent advances in machine tool construction, as well as the production of parts by casting, stamping, rolling, turning and carpentry, make it possible to use grinding machines instead of turning and milling machines (horizontal boring machines). Nowadays grinding machines can perform the following operations:

— cutting and peeling of workpieces;

— precise processing of various planes, wheel teeth, rotational surfaces, etc.;

Drum grinding machine: purpose and main elements

The drum grinding machine belongs to the surface grinding machine in type, and to the calibration grinding machine by class. The main tool of the machine is the grinding wheel, which is made in the shape of a cylinder (drum). Typically this machine is used for woodworking. Using it, it is very convenient to sand and calibrate boards, slats and other flat and long wooden parts, such as panel surfaces made of chipboard, MDF, solid wood, veneer, etc.

The main elements of a drum grinding machine are:

— a bed on which all components and parts of the machine are mounted;

— a motor that ensures rotation of the grinding and feeding drums;

- a mechanism that ensures a change in the rotation speed of the feed drum

— device for dust removal;

— mechanism for changing the height of the grinding drum.

You can see how a drum sanding machine works in the video.

Some models of drum-type grinding machines presented on the Russian market

Today, on the Russian market of grinding equipment, the drum grinding machines section presents products from various manufacturers. The leading place here is occupied by products under the JET brand. The American company JET, part of the Swiss holding WMH Tool Group AG, today presents the following industrial and household drum grinding machines:

— JET 10-20 Plus. Price: 25,000 rub.

The drum sander with a total capacity of 500 mm (250 mm x 2) is well suited for a small workshop where space is at a premium.

— JET 16-23 Plus. Price: 37,000 rub.

A universal grinding machine with enormous potential and capabilities: the manufacture of musical instruments, the production of furniture, kitchen sets, shop and bar equipment, and a wide range of carpentry operations.

— Double drum sanding machine JET DDS-225. Price: 160,000 rub.

A very powerful machine, suitable for use in production conditions.

The Russian “Instrumental” - the official dealer of leading foreign manufacturers of tools, equipment, machines, etc., offers the Corvette 57 drum grinding machine manufactured in China. The machine is designed to perform preliminary grinding of flat wooden blanks and bringing products to a given size, processing varnished and primed surfaces.

Corvette 57 - drum grinding machine price : 24,100 rub.

The German company Elmos Werkzeuge, a manufacturer of power tools, woodworking equipment, and garden equipment, presents its drum grinder Elmos DS 163. Price: 16,400 rubles. Designed for use in production as an alternative to hand grinders.

To summarize this brief review of grinding machines that are offered for purchase in the Russian Federation, we can say with confidence that there is a certain choice. You can find machines for use in large-scale production, small business and for personal use. As they say: “Every whim for your money.”

Drum grinders

It’s nice for any home handyman to feel like he has all the necessary tools when doing his favorite job. Branded items collected into a collection with his own hands, his wealth and his pride. He takes care of it, carefully selects it and dreams of replenishing it in the form of a gift or a homemade machine.

Drum sander Jet DDS-225 Jet DDS-225 - 2 sanding drums for coarse and fine grinding in one pass

Wood carving or home construction, cooperage or making homemade musical instruments - everything requires a high-quality instrument. Including for its finishing. The drum grinding machine is the crown of the entire set of tool equipment.

After it there will simply be nothing to collect if it is from the Jet Plus family. A good workshop, created over many years of effort, is a real pride of its owner.

Calibrating drum grinding machine Performax 22-44 Drum grinding machine ZSM 405

Machine design

The drum-type grinding machine belongs to the group of surface grinding equipment. It is intended for finishing all kinds of wooden and wood-containing materials with abrasive sandpaper of various grain sizes. The technological cutting process takes place at high speeds and with a large release of abrasive dust and dust from the cut part of the workpiece.

The use of powerful ventilation systems allows you to work on such drum equipment in relatively comfortable conditions. Structurally, such woodworking equipment is:

• portal or console type mechanisms; on console-type drum machines it is possible to produce parts with their rotation, which increases the processing width;
• the portal design of drum machines increases its rigidity, allowing you to work with maximum operating parameters without reducing accuracy;

The process of sanding wooden materials consists of the following technological methods:

• selection of sanding belt of appropriate grain size in accordance with the required finish; for maximum removal or peeling – 36 units;
• for the standard process – 80 units;
• finishing or final processing – up to 220 units;

The use of abrasive paper of various grain sizes on paired shafts makes it possible to obtain the best quality indicators in one pass. Especially when processing wood with your own hands.

Work principles

The drum grinding machine is quite simple both in performing technological operations and in its maintenance. The operating procedure is as follows:

• set the necessary cutting parameters;
• with your own hands, thread the emery cloth onto the cutting drums equipped with its tensioners;
• calibrate the cutting part; such an operation is necessary for accurate alignment of the working drum relative to the feed table;
• This process is carried out using 2 calibrated wooden blocks located along the width of the feed table under different sides of the drum;
• Having achieved symmetrical contact between the main shaft of the 2 bars, they proceed directly to the technological process of manufacturing the part itself.

Highpoint sanding machine drums Corvette sanding machine drum
After several passes, in order to maintain performance and surface quality, it is very useful to do a preventative cleaning of the abrasive belt yourself with a special pencil. All similar machines are equipped with this pencil, including models 10-20. It can also be purchased separately.

Homemade drum sander

This drum machine for wood has a specific, very practical purpose. It is not universal and its rather rare use in ordinary farms does not contribute to the growth of popularity. The relatively high cost, dimensions and difficulty in pre-setting make such equipment a poor stepchild among grinders, drills and vibrating machines.

Sometimes it makes sense to make a similar tabletop grinding machine with your own hands, using the lightweight Jet series of drum equipment as a basis. The design of such a homemade drum mechanism is not complicated:

• the frame and body of the main cutting part are made of multi-layer plywood or good wood with a thickness of 10 to 20 mm;
• The engine from an old washing machine, disassembled with your own hands, is also well suited for these purposes;
• It will be quite difficult to make a snare drum; although it will be homemade, the functions will remain the same; the grinding drum of a homemade machine is made of a thick-walled plastic pipe of a suitable diameter (like the Jet model 10-20 Plus);
• the main axis of the cutting unit is made from a calibrated metal rod (up to 20 mm);
• with their own hands they fit wooden plugs under the plastic pipe and the central axis;
• a homemade bearing assembly will have to be ordered from specialists;
• Having assembled the drum assembly and fixing its parts together with 10 fasteners, paste them with a rubber sleeve;

This is what a homemade, do-it-yourself wood grinding machine of the type discussed in the article will look like. Although, to be honest, it is still dangerous to deal with such homemade products.

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Work principles

The drum grinding machine is quite simple both in performing technological operations and in its maintenance. The operating procedure is as follows:

• set the necessary cutting parameters;
• with your own hands, thread the emery cloth onto the cutting drums equipped with its tensioners;
• calibrate the cutting part; such an operation is necessary for accurate alignment of the working drum relative to the feed table;
• This process is carried out using 2 calibrated wooden blocks located along the width of the feed table under different sides of the drum;
• Having achieved symmetrical contact between the main shaft of the 2 bars, they proceed directly to the technological process of manufacturing the part itself.

Highpoint Sanding Drums

Corvette grinding machine drum

After several passes, in order to maintain performance and surface quality, it is very useful to carry out preventive cleaning of the abrasive belt yourself with a special pencil. All similar machines are equipped with this pencil, including models 10-20. It can also be purchased separately.

How to make a drum grinding machine yourself?

Sanding various wooden parts is a necessity faced by everyone who wants to make repairs in their home, or create some decorative element with their own hands.

Of course, you can sand small parts with regular sandpaper, but to cope with a large amount of work, you should change the sandpaper to a grinding machine. It will help to significantly save time and quickly bring the part into the appropriate form. One such useful device is a drum sander.

Classification and structure

Drum-type grinding devices belong to calibration class machines. This type of grinding machine is most often used for working on wood, but it can also be used to process other materials.

A cylindrical grinding wheel (drum) allows you to calibrate boards and slats of various lengths and configurations. The blank can also be made of different materials: chipboard, veneer, etc.

Structure of the grinding apparatus:

1. Cylindrical grinding drum.
2. Feeding device.
3. Dust removal device.
4. Working surface.
5. Drum speed converter.
6. The motor that drives the grinding cylinder.
7. Bed for fastening key components of the machine.
8. Drum height regulator.
9. Operator protection device.

The main structural elements of a drum machine are listed here. Depending on the specific model of the device and the specifics of its purpose, the configuration may vary slightly.

Main device models

Drum-type machines can be purchased ready-to-use. There are several of the most popular and widespread brands for the production of these devices. It makes sense to present their individual models.

JET Company. The American company specializes in the production of modern machines of various types, including drum machines. Its product line includes several grinding machines with a cylindrical working wheel.

• JET DDS-225. This machine is one of the most powerful devices of this type in the manufacturer’s line. It is used both in home workshops and in small industries. A characteristic feature is the double sanding drum. The cost of this machine is appropriate - from 150,000 rubles.
• JET 10-20 PLUS. Compact grinding device that allows you to process up to 50 centimeters of surfaces. Perfect for small home workshops. The cost does not exceed 25 thousand rubles.
• JET 16-23 PLUS. It is considered one of the most versatile machines of its type. It is used to process building materials, kitchen appliances and even musical instruments. Most often, such a machine is used in small furniture production enterprises.

Corvette 57. A machine made in China, which is distinguished by fairly high build quality and wide functionality. The machine is designed for grinding flat surfaces of wooden workpieces and turning parts to the required dimensions. The machine has a fairly affordable price - 24 thousand rubles.

In addition to these machines, there are also good options from German manufacturers. It is worth noting that, depending on the price, German companies also offer corresponding sets of capabilities for their devices. The minimum amount for which you can purchase a grinding machine in the basic configuration is 15-16 thousand rubles.

Video: step-by-step production of a drum sander.

How to make a grinding machine with your own hands?

If you can’t pay quite a lot of money for a decent version of a drum sanding machine, then you should try to make it yourself. For a person who is well versed in mechanics, this is not a very difficult task. In addition, this way you will be able to save significant financial resources.

In order to assemble a drum sanding machine at home, you need to acquire the following parts:

1. Grinding drum. A cylindrical device can be created on the basis of “garbage” building materials. For these purposes, even pieces of wooden blocks are often used, which are evenly attached to a special metal axis using glue. In this case, special attention should be paid to the tight fit of these bars to each other. The drum can also be made on the basis of a polyvinyl chloride pipe with a diameter of up to 10 cm, which is placed on an iron rod with a diameter of 1.5-2 cm. It should be slightly shorter in length than the rod itself. We insert special plugs with holes for the rod into the ends of the pipe. We recommend securing the plugs with screws. We thread and secure the rod. We wrap a thick layer of rubber onto the pipe, onto which the sandpaper will be attached.
2. Engine. It is best to use a working motor from an old washing machine (as well as pulleys, belts, etc.). The optimal motor power should be from 200 to 300 W. It is desirable that the motor is also asynchronous and single-phase. RPM level – 2000-3000.
3. Frame. The design should be simple and convenient. It is best for the machine body to consist of two side panels, a spacer and the table itself. Particular attention should be paid to the strength and rigidity of the work table, which should not be deformed when the workpiece being processed is pressed onto the drum. The desktop must consist of a base and a moving part.

Once the main parts of the machine have been assembled separately, you can begin the final assembly of the entire machine. First of all, you should attach the motor to the bottom of the machine body in place of the pre-drilled holes. The grinding drum is installed in the upper part of the housing and attached to two bearings, which are located on the side walls of the housing.

Then we attach special pulleys to the drum and motor and tighten the drive belt. After all the necessary preparations with the electrical wires, we fasten the desktop with special bolts that will hold it at the required level. Experts strongly recommend installing a protective casing on the machine.

It is worth noting that creating a drum grinding machine yourself also does not come without certain costs. First of all, this concerns your time, but the machine will cost you less than a factory one only if you have a working motor. Without an engine and certain skills, it is almost impossible to create a cheap analogue of a branded machine.

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Sanding drum

Homemade grinding drum on a drill. When sanding wooden products, it is necessary to process not only straight planes, but also curly edges. A sanding drum is an indispensable tool for this. You can buy such a drum or make it yourself. For work, use a hand drill or a stationary drilling machine.

Curly edges of carpentry parts can be processed in another way, using a hand router with a copy cutter according to a template. This gives a gain in time and quality, but only when processing a large number of parts. If you have single products, then there is no point in making them for each template. Moreover, to make a template, you will again need a sanding drum; without it you cannot make an accurate template.

As I already said, you can buy a grinding drum; they are sold in different diameters and qualities. But working with such a device simply by holding the drill suspended is not very comfortable, and most importantly, it is impossible to obtain accurate and high-quality processing.

One of the adaptation options would be to make a small table for a drill. The drill itself is attached to the work table vertically. You can also make a homemade drilling machine from a hand drill.

The table can be assembled from scraps of MDF, thick plywood or chipboard (laminate). All parts are attached to each other with self-tapping screws. The product is assembled in the form of a box with a tabletop. A hole is drilled in the top cover to the diameter of the drum. The bottom edge of the sandpaper should be below the tabletop line. You can also make a sanding disc for wood from plywood.

You can easily attach legs to this frame, then you will have a free-standing tool. In the version you see in the photo, the box is attached to the desktop.

Almost any drill will do, but for serious work it is advisable to use a more powerful one. The drill is attached to the desktop frame using clamps. I already wrote on the site about the horizontal installation of a drill, in the article I made a homemade stop for a drill.

Homemade sanding drum.

You can not only buy a drum, but also make it yourself. It's actually not that difficult if you have a wood lathe. You can also process the drum on a drilling machine, but it will be more difficult.

I use a metal drum for work; the skin is secured in it with a metal pin with a slot. The drum is installed on a stationary milling machine. You can grind such a part using special equipment, see the article homemade grinding machines and devices. But such a part can be made using simpler means.

To assemble the device, we need a vertical axis; a bolt or pin with a diameter of 10/12 mm is suitable for this. and length 100-150 mm. . On this axis we place pieces of plywood, previously cut with a jigsaw with a small margin in diameter. In the center of all parts we drill a hole corresponding to the diameter of the bolt. Lubricate the plywood fragments with glue and tighten the nut. Then it is advisable to turn the drum on a wood lathe, this will result in a more accurate and even surface.

Another option for assembling a homemade drum. Only two plywood parts are placed on the axle, upper and lower, and a piece of hard foam is clamped between them. Simple packaging foam will not work, it is too loose. The product in the photo is assembled exactly like this.

How to glue the skin.

Stores sell sandpapers with a self-adhesive inner surface; this is the most convenient option. If there is no such skin, then you can glue a regular one. You need to glue it with an overlap, but you can’t join it on the abrasive, you’ll end up with a bump that will hit the part. To apply the sticker correctly, you need to mark the overlap at the lower end of the sandpaper, soak it in a solvent and clean off the abrasive.

Do not forget that sandpaper is a consumable material, and sooner or later it will have to be torn off and a new one glued on. To make this process easier, without damaging the drum itself, you must first stick thick paper and some sandpaper on it. I tried attaching the skin with a stapler, but it didn't work very well. The staples wear out quickly and also scratch the workpiece. Still, the best option is to use self-adhesive skin.

Cylindrical grinding machines

Useful information
A drum cylindrical grinder is a technique designed for finishing wood or plastic products. Using such equipment, you can grind, clean, and polish various workpieces. It finds its application in small workshops, as well as in small and large industrial enterprises.

On a drum sander, the workpiece is brought to a rotating cylinder on which sandpaper is attached. When it comes into contact with an abrasive, the top layer of wood is removed from the part - this is how it is sanded.

Kinds

• Single cylinder machines are suitable for use in small carpentry shops and small-scale production (for example, furniture).
• If you need equipment for maximum intensive use, pay attention to machines with two or more drums. They are convenient because you can attach sandpaper of different grain sizes to each of them. Thanks to this, the operator will be able to perform both rough and fine grinding without being distracted by changing equipment.

Choosing a drum grinder

• First of all, you should pay attention to the maximum grinding width. The larger it is, the faster processing of large parts will take place. For equipment intended for small production or a workshop, it can be 500 - 600 mm.
• It is also important what the rotation speed of the drum is. To perform most operations, 1400 - 1600 rpm is sufficient.

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