How to make a sander from a drill

The fundamental structure of the grinding machine

Without thorough knowledge of the construction of grinding machines, it is impossible to assemble a high-quality device with your own hands. Before moving on to the structure, let’s get acquainted with the most common types of grinders:

  • Corner. Simply put, an angle grinder. Discs are consumables. Grinding wheels are intended for surface grinding. The pressure is adjusted manually.
  • Tape. Surface treatment is done with a sanding belt. Suitable for work on flat surfaces only.
  • Delta sander. For processing products with a curved structure.
  • Vibrating. Ideal for finishing smooth surfaces.

In addition to the above, there are several more devices that are less common:

  • straight;
  • polishing;
  • eccentric.

make, sander, drill

  • Drive unit. The performance of the device depends on its power. In devices assembled by hand, an electric drive is used, however, there are pneumatic homemade products powered by a compressor.
  • Reducer. Transfers the torque from the drive to the working tool. The basic part of the gearbox is the spindle.
The gearbox is an integral part of tools such as an angle grinder or drill. Some models, especially self-assembled ones, do without it.
  • Working platform. An abrasive material is attached to it. For this you can use circles, tapes, discs.
  • Housing. Protects the structure from mechanical damage and dust, so many factory models are equipped with dust collection systems. The materials used to make the device with your own hands, as a rule, are not able to compete with high-quality polymers that are used in the production of professional tools.
  • Control system. Includes power off as well as abrasive speed control.

Do-it-yourself angle grinder

As the name suggests, the angle grinder is designed for grinding. Scraping discs successfully cope with rough work: removing old paint, removing metal deposits or traces of corrosion. For finer cleaning, special attachments made of emery sheets of various grain sizes are sold.

Models for household use work in one mode, and the number of revolutions reaches 15 thousand per minute with an average of 11 thousand. This speed is great for sawing materials, but great for sanding work.

The angle grinder motor has excess power. For polishing, 300-400 W will be enough.

A grinder from an angle grinder will have a lot of weight compared to the factory tool, but it is possible to adapt the homemade product for yourself, which will increase the comfort when grinding.

If you do not want to use attachments, you can adjust the number of engine revolutions. Self-modernization of the circuit will require specialized knowledge in electrical engineering.

On professional devices, you can set the number of revolutions manually, however, their cost starts from 200.

Making a grinder from a drill

  • metal rods with and without thread;
  • profile pipe;
  • plywood;
  • steel sheet;
  • bearings;
  • hardware;
  • wood glue.

You should take care of the availability of plumbing tools, an inverter and devices for sawing metal.

Stages of work:

    Manufacturing of pulleys. The drive and driven pulleys are designed to transfer torque from the drill to the grinder. They are made from plywood.

For small and precise jobs, it is better to purchase compact drum or cymbal attachments, depending on the type of work.

Homemade designs options

Consider a few hand-made devices. Perhaps one of them is right for you.

3 ways to make your own sander

Homemade grinders: features and purpose. Types of grinding machines. General design of devices. Features of modernization of the angle grinder. Drill grinder: DIY step-by-step assembly. Homemade device from a computer hard drive.

There are many uses for the homemade sander in the household. We are talking not only about a private house or a personal plot, but also about housing in an apartment building. It can be used to process any surface. The degree of cleaning depends on the type and used abrasive materials. Unlike industrial models, a self-assembled device will favorably differ in cost, since the design budget will depend only on the master. With locksmith skills and basic knowledge in electrical business, you can easily assemble the device yourself.

Homemade sander from a computer hard drive

  • We open the case and remove all the elements located next to the magnetic disk.
  • Cut out a circle from sandpaper of the desired grain size to fit the top of the drive.
  • Using double-sided tape, we fix the paper on the surface of the disk.
  • We make a casing that protects against dust or abrasive grain.
  • To start the design, the hard drive must be connected to the computer’s power supply.

Such a hand-made device will allow you to perform minor work, such as grinding contacts, sharpening files or tweezers. The rotation speed depends on the factory settings. Average. 7200 rpm.

A hand-made sander will not have the attractive appearance of a factory tool, however, good performance and low assembly costs compensate for this disadvantage.

Have you tried assembling a sander with your own hands? What was used as a drive? Share your invention experience in the comments.

Making an orbital sander

Currently, making an orbital machine with your own hands is possible only from a broken orbital machine. This is due to the complex device for rotating the working disk, which is quite problematic to repeat on your own. It should also be borne in mind that a machine made by a specialized company will not cost too much, and it will be very difficult and time-consuming to make it yourself.

Do-it-yourself angle grinder

As the name suggests, the angle grinder is designed for grinding. Scraping discs successfully cope with rough work: removing old paint, removing metal deposits or traces of corrosion. For finer cleaning, special attachments made of emery sheets of various grain sizes are sold.

Models for household use work in one mode, and the number of revolutions reaches 15 thousand per minute with an average of 11 thousand. This speed is great for sawing materials, but great for sanding work.

The angle grinder motor has excess power. For polishing, 300-400 W will be enough.

A grinder from an angle grinder will have a lot of weight compared to the factory tool, but it is possible to adapt the homemade product for yourself, which will increase the comfort when grinding.

For an angle grinder, you can make a simple attachment that turns the device into a miniature belt sander. In this case, work is carried out without a protective cover.

If you do not want to use attachments, you can adjust the number of engine revolutions. Self-modernization of the circuit will require specialized knowledge in electrical engineering.

On professional devices, you can set the number of revolutions manually, however, their cost starts from 200.

Existing types of grinders

The industry produces several types of machines that differ both structurally and in purpose. Here are the main ones:

  • Eccentric or orbital, in this case the sole of the instrument simultaneously rotates around its axis and in a certain orbit. It turns out that each time it passes a little in a different place, so scratches and burrs are rubbed with each pass more and more.
  • Vibration model. Here, the work sole performs reciprocating movements with a frequency of about 20,000 movements per minute. It is due to these movements that grinding occurs.
  • Angle grinder, which is popularly called “angle grinder”. With the help of this tool, rough processing of parts, large logs, etc. is carried out. Abrasive wheels of the required grain size are used for processing.
  • Belt sander that is usually used for working on large surfaces. Structurally, it consists of rollers driven by an electric motor, on which an emery tape is put on.

We make a grinder from an angle grinder

Many might say that an “angle grinder” is an angle grinder, but there are some subtleties hidden here. It should be borne in mind that the angle grinder has a very high speed and is often quite a decent weight. To polish the surface of an angle grinder, you must have considerable experience in this matter and use special polishing discs and wheels. The sander has a much lower engine speed and weight. To work with a factory grinder, no specific experience and dexterity is required.

It is possible to independently make a good grinder out of an angle grinder, which is not inferior in its parameters to a factory machine, only by modifying its electrical circuit, by mounting the regulator at lower speeds and by using special grinding nozzles.

Homemade sander from a computer hard drive

From an old hard drive, you can assemble a small sander, the main advantage of which will be a complete lack of investment, except for the cost of abrasive wheels. The DIY manufacturing process is as follows:

  • We open the case and remove all the elements located next to the magnetic disk.
  • Cut out a circle from sandpaper of the desired grain size to fit the top of the drive.
  • Using double-sided tape, we fix the paper on the surface of the disk.
  • We make a casing that protects against dust or abrasive grain.
  • To start the design, the hard drive must be connected to the computer’s power supply.

Such a hand-made device will allow you to perform minor work, such as grinding contacts, sharpening files or tweezers. The rotation speed depends on the factory settings. Average. 7200 rpm.

A hand-made sander will not have the attractive appearance of a factory tool, however, good performance and low assembly costs compensate for this disadvantage.

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Have you tried assembling a sander with your own hands? What was used as a drive? Share your invention experience in the comments.

When work with a wooden surface comes to an end, the stage of finishing sanding begins. To perform grinding without burrs, scratches, beautifully round off sharp corners of any part, you need to use a wood sander. This tool will help to perform professional grinding, even for a beginner who first took the device in his hands. If you wish, you can make a grinder yourself, using only available tools.

How to make a grinder from a drill

There are various attachments for manual and mechanized grinding. All of them can be divided into two main types.

  • Tools that directly process the part itself. hand-held devices, which include grinding blocks (pads, bars) and grinding attachments for a drill or an angle grinder, which are all kinds of support plates and drums.
  • Devices that ensure the required position of the grinding tool relative to the part. guides, support surfaces, etc.

A separate type can be attributed to devices for dust extraction, which, due to the abundance and harmfulness of grinding dust, should also not be neglected.

Making a grinder from a drill

To turn an ordinary household electric drill into a grinder, you need to equip it with a special attachment. a working drum or a special support plate, depending on the task.

The backing or sanding pad is a plastic or rubber base with sandpaper glued on and a shank for clamping into a drill chuck. Trays with a flexible shaft are suitable for working with a loose drill, and with a rigid one it is better to use only for a well-mounted drill.

Grinding drums for household drills are structurally an ordinary cylinder, a shank and sandpaper glued to the cylinder. When using drums, the working surface of the grinder is parallel to the axis of rotation.

Homemade designs options

Making a sander with your own hands is not difficult. The main thing is that it corresponds to the types of work that the master plans to perform. From an economic point of view, it is better to take the components that are at hand. If you have to buy the component parts of the device, then the budget of the device made by yourself will be comparable to the factory model. All other things being equal, it is better to give preference to an industrial tool, because its quality is incomparably higher.

Consider a few hand-made devices. Perhaps one of them is right for you.

We make a grinder from an angle grinder

Many might say that an “angle grinder” is an angle grinder, but there are some subtleties hidden here. It should be borne in mind that the angle grinder has a very high speed and is often quite a decent weight. To polish the surface of an angle grinder, you must have considerable experience in this matter and use special polishing discs and wheels. The sander has a much lower engine speed and weight. To work with a factory grinder, no specific experience and dexterity is required.

It is possible to independently make a good grinder out of an angle grinder, which is not inferior in its parameters to a factory machine, only by modifying its electrical circuit, by mounting the regulator at lower speeds and by using special grinding nozzles.

Existing types of grinders

The industry produces several types of machines that differ both structurally and in purpose. Here are the main ones:

  • Eccentric or orbital, in this case the sole of the instrument simultaneously rotates around its axis and in a certain orbit. It turns out that each time it passes a little in a different place, so scratches and burrs are rubbed with each pass more and more.
  • Vibration model. Here, the work sole performs reciprocating movements with a frequency of about 20,000 movements per minute. It is due to these movements that grinding occurs.
  • Angle grinder, which is popularly called “angle grinder“. With the help of this tool, rough processing of parts, large logs, etc. is carried out. Abrasive wheels of the required grain size are used for processing.
  • Belt sander that is usually used for working on large surfaces. Structurally, it consists of rollers driven by an electric motor, on which an emery tape is put on.

Making a grinder from a drill

To turn an ordinary household electric drill into a grinder, you need to equip it with a special attachment. a working drum or a special support plate, depending on the task.

The backing or sanding pad is a plastic or rubber base with sandpaper glued on and a shank for clamping into a drill chuck. Trays with a flexible shaft are suitable for work with a loose drill, and with a rigid one it is better to use only for a well-mounted drill.

Grinding drums for household drills are structurally an ordinary cylinder, a shank and sandpaper glued to the cylinder. When using drums, the working surface of the grinder is parallel to the axis of rotation.

Making an orbital sander

Currently, making an orbital machine with your own hands is possible only from a broken orbital machine. This is due to the complex device for rotating the working disk, which is quite problematic to repeat on your own. It should also be borne in mind that a machine made by a specialized company will not cost too much, and it will be very difficult and time-consuming to make it yourself.

Making a belt sander with your own hands

It is not at all difficult to make a belt sander yourself, you must complete the following steps:

  • select suitable materials and parts;
  • make a reliable basis for fixing the tool;
  • install a suitable countertop;
  • fix the vertical struts with a tensioner and a drum;
  • mount the motor and drums;
  • fasten the sanding tape.

To process fairly large parts and elements, it is necessary to make a large copy of a serial grinder. For example, if you take an electric motor with a power of 2 kW or more powerful with a rotor speed of 1500 rpm, then the gearbox can be omitted. The power of such an engine is quite enough to rotate a drum about 20 cm in diameter and process parts about 2 m.

You can also use an electric motor from an old washing machine. In this case, the frame is made of a thick sheet of iron, preparing a place for installing the motor and carefully fixing it with bolts to eliminate vibration. The design of such a machine consists of 2 drums, and one of them is fixed, and the second can be pulled and rotated on bearings around an axis. It is advisable to make the base for the machine from metal or several sheets of thick plywood. The drums are made on a lathe from chipboard. The tape is cut from sandpaper sheets with a width of about 20 cm and fixed on the bed. The larger the table size, the larger the parts can be stacked and processed in the future. Drawings of finished products can be found online.

How to make a sander

When work with a wooden surface comes to an end, the stage of finishing sanding begins. To perform grinding without burrs, scratches, beautifully round off sharp corners of any part, you need to use a wood sander. This tool will help to perform professional grinding, even for a beginner who first took the device in his hands. If you wish, you can make a grinder yourself, using only available tools.

We make a grinder from a computer hard drive

Any old hard drive can be converted into a miniature sander. To do this, follow these steps:

  • completely disassemble the hard drive and remove from the case everything that is located to the left of the magnetic disks;
  • cut out the working circle from sandpaper, make a hole for the spindle in the center of the circle;
  • stick several strips of double-sided tape on the rotating disk of the hard drive and fix sandpaper on it;
  • make a protective screen that protects the eyes from the possible departure of the manufactured emery disc;
  • connect the finished structure to the power supply from the computer and use.

Of course, this design does not have high power, but it is quite possible to sharpen a small knife or scissors.

Advantages and disadvantages

Regardless of brand and price category, all racks are designed to simplify the drilling process, so some specific characteristics are among their main advantages.

  • Significant expansion of the range of capabilities of the operated tool. High-quality stand, for example, enables surface milling.
  • Improving the accuracy of operations performed by positioning the drill and cutter strictly perpendicular or at a fixed angle with respect to the material being processed.
  • The ability to work with hard materials, in which one of the important points is to prevent the drill from sliding on the surface to be treated at the initial stage.
  • The ability to drill holes not only perpendicularly, but also at different angles. Modern models allow drilling at an angle of up to 70 degrees.

Considering all of the above, we can say that a high-quality stand is not only an effective addition to the tool, but also allows you to turn it into a full-fledged machine of compact dimensions. Unfortunately, it does not do without obvious drawbacks. Most of the disadvantages are due to specific manufacturers’ flaws.

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All drilling devices on the market differ from each other, first of all, in design features and functionality. In addition, they can be completed with various equipment, the list of which includes, for example, vices and dust collectors. Additional elements simplify the operation of the tools as much as possible.

By the principle of use, two categories of devices can be distinguished.

  • Stationary stands that turn an ordinary drill, hammer drill or screwdriver into a compact analogue of the machine. These products, due to their weight and rigid structure, ensure high precision in all operations. The main disadvantages include lack of mobility and high cost.
  • Mobile drill attachments or guides, which are devices that provide acceptable drilling accuracy in a minimum size.

Another important criterion is the functionality of the devices in question.

  • Vertical drilling stands with universal holders and maximum stability. They often become an indispensable element of mini-workshops and assistants to home craftsmen.
  • Rotary devices, which are more complex and functional equipment. In addition to moving the bracket with the fixed drilling tool in a vertical plane to set the required distance from the material being processed to the drill‘s working stroke, such racks allow you to set the drilling angle. As a result, the equipment can also be used as a milling or polishing.

Another method of fastening is vacuum. It has also proven its reliability in practice. Comparing such racks with magnetic ones, experts focus on the higher cost of the latter.

How to choose?

Given the wide range of models offered by various manufacturing companies, the selection of the most suitable model should be approached with appropriate care and responsibility. First of all, it is required to carefully examine the drill itself for the presence of a landing neck, since it may be absent in some equipment samples. This element is a cylinder several centimeters long. Most drills and screwdrivers have necks of a standard diameter. 4.3 cm.In addition to the design features of the drilling tool itself, you need to pay attention to some other points.

  • Parameters, material of manufacture and quality of the base plate. As practice shows, cast iron products are more practical and effective. Another important detail will be the availability of mounting devices and holes for fixing the structure on the table and installing the vice.
  • The distance between the stand itself and the axis of the drill, which determines the maximum size of the processed parts.
  • Features of the holder that determine the list of tool models suitable for mounting on a stand.
  • Drilling depth adjustable. This option is relevant in situations where you need to make a large number of identical holes.
  • The principle of the movement mechanism.

The last point deserves special attention. Some models of holders are equipped with special springs, due to which it is possible to achieve a smooth movement of the drill. Another advantage of such designs is the automatic return of the holder to its original position when the pressure on the lever is reduced.

Drill stand: what it is, types and choices

  • What it is?
  • Advantages and disadvantages
  • Views
  • Brands
  • How to choose?
  • Required details
  • How to do it yourself?
  • Installation

Answering the question of what is a stand for a drill, hammer drill or screwdriver, it should be noted that we are talking about a stationary device to which these tools are attached. There are various types of such devices that greatly simplify drilling. Due to the fairly wide range of devices on the market, the choice of specific models should be approached taking into account a number of criteria.

What it is?

Making a straight hole in hard and thick material is not easy. Drilling at an angle is just as difficult as the drill or cutter can slide off, increasing the hole diameter. In such situations, the most rational solution would be to use a quality drill stand. This device, in combination with the drilling tool itself, turns into a small machine.

Now the market offers products from many manufacturers (for every taste and wallet). However, the choice of stands, holders and rails must be approached with utmost care. Do not exclude the possibility of making devices with your own hands.

Stands for drilling equipment can significantly expand its functionality. over, one of the main advantages of the equipment is its compactness and versatility. Purchased models may have different configurations (depending on the brand and the cost of the product). In particular, the kit sometimes includes a vice for rigid fastening of the workpiece to be processed and other additional elements.

The vast majority of holders are compact. Based on this, they can be successfully operated in small workshops, garages and even apartments. The average dimensions of the bed are 15×20 cm, and the height of the rack is 50 cm.The mass of the devices varies in the range of 2-6 kg.

How to do it yourself?

Taking into account the design features that allow an ordinary drill to be turned into a drilling machine, they can even be made from a photographic enlarger, the device of which initially includes some of the necessary key elements. There are several options for making a homemade rack. The list of required materials, equipment and tools will depend on the choice in favor of a wooden or metal fixture.

The bed can be made from a plate (metal or wood), the dimensions of which are determined by the capacity of the equipment and the dimensions of the workpieces. Another determining factor is the functionality of the future design. If for a drilling machine it will be enough to make a bed with dimensions in the range of 600×600 mm, then in the case of a multifunctional unit, these indicators should be increased.

Directly the stand itself and the supports can be made of both metal pipes, including profile ones, and of wooden bars. It should be remembered that the rack, which acts as a guide, should be as flat as possible. Don’t forget about durability.

The next important component is the mechanism for moving the drill and other equipment along the guide. The basis of this unit will be a handle and springs, and the mechanism itself can be made in several variations.

  • Retractable and mounted directly next to the handle, which is then placed between two plates mounted on the rack. When the handle moves down, the spring and the carriage itself return to their original position.
  • In the form of two springs installed in special grooves of the carriage at an angle of 90 degrees, to which the pin and side plates are fixed. When the lever is pressed, the springs are compressed and the drill moves downward. As soon as the impact on the handle stops, the entire assembly will return to its original position.

It is necessary to list the clear advantages of self-made devices:

  • making such structures with your own hands is cheaper than purchasing ready-made ones;
  • the absence of any restrictions allows you to use almost any materials and spare parts from outdated or outdated equipment;
  • drawings of fixtures and detailed instructions, including related videos, are freely available in large numbers;
  • everyone with the necessary knowledge and skills can create a rack according to their drawings and taking into account all needs.

Speaking about the most significant disadvantages of making structures for drilling with your own hands, you should pay attention to the fact that:

  • at certain stages, access to a lathe, welding machine and other professional equipment may be required;
  • due to errors, even minor ones, backlash appears, which negatively affects the quality of drilling and other work;
  • most often, handicraft models have limited functionality.

How to Make a Belt Sander at Home

However, with a competent approach and high-quality manufacturing of all elements, you can even assemble a rotary model yourself. Often, homemade products are not inferior (and in some respects superior) to factory models. It all depends on the correct choice of materials and build quality.

Brands

The described equipment is a comfortable and useful addition, providing quick and reliable fixation of drilling tools for performing stationary work with high precision. Taking into account the demand, many manufacturing companies have launched the production of such devices. All models presented in this market segment differ from each other in design, functions, equipment and cost.

One of the popular brands is Enkor. The company offers the consumer high-quality devices for working with tools with various characteristics (power, weight and diameter of the body neck).

Also today in the popularity rating there are other models of racks.

  • Caliber is a reliable and versatile design that transforms handheld drilling tools into a compact, stationary machine.
  • The Dremel is a device characterized by functionality, durability and affordable value. These models allow vertical drilling, angle drilling, polishing and grinding materials in the horizontal plane.
  • Sparta. stands that turn both drills and screwdrivers into stationary devices. The main advantages include the presence of a high-quality mechanism responsible for the smoothness and uniformity of the feeding of the fixed tool.
  • Skrab is a rotary modification that has become a rational option for use in small workshops, garages and home conditions. The design combines strength, durability, affordable cost.
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In addition to all of the above, users highlight the Diolod and Artu models. The former are used with equal efficiency in domestic and industrial conditions. Depending on the modification, the diameter of the neck of the tool body varies, which can be fixed in the holder.

In the second case, we are talking about rotary devices made of aluminum. The presence of a clamp allows you to quickly install the structure on any tabletop.

Required details

Any stand for a drill, regardless of its size and taking into account the purpose of such devices, has basic structural elements, each of which performs its functions and must meet certain requirements.

  • The bed is one of the main components of the described equipment, which is its base (stand) and ensures the stability of the entire structure. In addition, a vice is located on the bed for fixing the workpieces to be processed. The weight and dimensions of this element depend on the power of the tool used and the list of tasks to be performed.
  • Guide post, which is located strictly vertical to the base. Even a slight deviation can damage the workpiece and break the drill or cutter. Depending on the design features of a particular model, this part can be made of different materials.
  • Travel mechanism. There are no strict requirements for the device of this node, no templates are applied. Its main task is to provide smooth movement, secured by brackets or clamps of the drilling tool along the tripod. There are many variations of such mechanisms.
  • Holder for equipment (drills, hammer drills, screwdrivers). Clamps, pads and other mounting elements are used as an effective fastening.

In addition to the listed components, which are mandatory, the drilling device for stationary work can be equipped with a number of secondary (auxiliary) devices. They allow you to expand the functionality of the equipment and simplify operations. We are talking, in particular, about additional stops, various attachments and lighting fixtures.

DIY sander

  • tape;
  • surface grinding;
  • eccentric or orbital.

Sometimes it is more profitable to make a polishing tool with your own hands. It will be cheaper. The cost depends on the craftsman and the materials that can be converted into a stripper. How to make a sander with your own hands?

IMPORTANT: Minimum electrical knowledge and locksmith skills are required to create a sander.

Making a grinder with your own hands

It is impossible to make a grinding machine with your own hands without knowing the design and types of tools. The most common grinders:

  • angle or otherwise angle grinder. Discs are subject to replacement. The surface is sanded with cleaning wheels. The pressure can be adjusted manually;
  • tape. Only used on flat surfaces. The work is done with a sanding belt, suitable for woodworking;
  • vibration. It is used at the stage of finishing flat surfaces;
  • delta grinder. Suitable for products with a curved shape.

Less common tools: straight, polishing, eccentric and brush sander. A device made at the factory or by hand does not differ in design. The main elements can be distinguished:

  • Drive unit. Its power regulates the performance of the device. An electric drive is predominantly used, but there are do-it-yourself pneumatic devices. They are powered by a compressor.
  • Reducer. A machine element present on an angle grinder or drill. The basic part is the spindle. It transmits torque to the tool. There are also models that do not have a gearbox.
  • Working platform. Tapes, discs or circles are used under it. Serves for attaching abrasive materials.
  • Housing. The function of this element is protection against damage and dust. Factory devices have dust collection systems. When making with your own hands, the material is not able to compete with the factory analogue, since the quality is better on the factory model.
  • Control system. Regulates the speed and power of the device.

From a drill

A household electric drill equipped with a special attachment can be equipped with a grinder from a drill. Depending on the task, this can be a special cymbal or drum. Or make a belt sander out of the tool.

  • Sanding pad. It is a plastic or rubber base with sandpaper and a tail for attaching to a drill. The flexible shaft is suitable for loose drilling. With rigid apply with a well-fixed drill.
  • Grinding drums. The drill attachment consists of a regular cylinder, sandpaper and a ponytail. In use, the axis of rotation is parallel to the working surface of the sander.
  • Belt sander. The drill goes like a drive. For manufacturing, you will need: rods with and without thread, profile pipe, plywood, steel sheet, bearings, various hardware and wood glue. Before manufacturing, make sure that you have a locksmith’s tool, a device for sawing metal. The assembly diagram is publicly available.

Belt sander

Making this tool is not at all difficult. Follow these steps to create a belt sander:

  • selection of the necessary parts and materials;
  • making a reliable base for fastening the tool;
  • tabletop installation;
  • securing the struts with a drum and tensioner;
  • mounting drums and motors;
  • fastening an emery tape.

The processing of large parts requires the creation of a large copy of the grinding machine with your own hands. If you put an electric motor with a power of more than 2 kW and a rotation of about 1500 rpm, then this is enough to rotate a drum with a diameter of 20 centimeters. Such a device is already processing parts of about 2 meters.

Of angle grinder

The angle grinder is designed for grinding. We can say that it is an angle grinder, but there are some subtleties. The tool does an excellent job of tough jobs such as removing old paint, removing corrosion or streaks on metal. For factory models, there are nozzles that allow for a more delicate cleaning. This is possible due to the different grit sizes of the emery sheet. Household appliances work only in one mode with revolutions up to 14-15 thousand per minute.

IMPORTANT: This speed is suitable for sawing materials, but is high when sanding.

Angle grinder motor is too powerful. You need a lot of experience in polishing an angle grinder, if you have special polishing discs and wheels. For delicate work, such as polishing a car, an angle grinder will not work. One careless movement and there will be a hole in the transport. The grinder has enough power of 300-400W. A do-it-yourself grinder from an angle grinder has a lot of weight in comparison with the factory counterpart, but you can customize the homemade product for yourself, which will simplify the use of the machine.

An attachment can be made for a homemade sander, which will turn the machine into a small belt sander. This option does not use a protective cover. If there is no opportunity and desire to create nozzles, you can change the number of revolutions. Self-change will require knowledge of radio engineering. You need to create a voltage regulator. The procedure is as follows:

  • solder using a printed circuit board;
  • thyristors are adapted to radiators;
  • testing is in progress. Connect a light bulb and turn the toggle switch. The light should fade out smoothly;
  • the device is mounted under the tool cover.

On expensive devices, you can adjust the speed, but they cost from 10,000 rubles.

Orbital sander

Can only be made from a broken orbital machine. The main manufacturing problem is the rotation of the disc. Self-production is too problematic due to the rotation device. In addition, the factory version is not too expensive, and there is no point in wasting time on this kind of car.

Homemade sander from a computer hard drive

An old hard drive can be turned into a miniature sander. The advantage of this model is the complete absence of investment, except for the cost of abrasive wheels. Follow the easy steps to create the machine:

  • disassemble the hard drive and remove everything to the left of the disks;
  • take sandpaper and make a circle out of it with a hole for the spindle in the center;
  • fix the sandpaper by gluing it to the rotating disk of the hard drive;
  • make a screen to protect the eyes from the ejection of an emery disc;
  • connect to the power supply and use.

The device allows you to do small work. For example, you can sharpen a drill, knife, or scissors. The average rotation speed is about 7600 rpm, but it all depends on the manufacturer of the hard drive.