In some situations, it is cheaper to purchase a new product than to restore broken home appliances. However, the prudent person will receive additional benefits by using functional components as intended. This publication presents homemade products from an engine from a washing machine .. And video clips will help you more accurately reproduce homemade craftsmen and get useful products quickly and at no extra cost.
Read in the article:
What is the engine from an old washing machine suitable for?
First, you need to clarify the real capabilities of the existing power unit. In household appliances of the Soviet period, fairly reliable electric motors of the asynchronous type (180-220 W) were installed. They were connected to two-phase AC networks. Previously, structures were created in a collapsible design. Therefore, in the event of a breakdown, the repair does not cause excessive difficulties. The only exception is damage to the windings. Modern models are distinguished by increased power (up to 340 W).
Since the end of the 90s of the last century, such simple engines have not been used. Instead of asynchronous, collector units are more often used. They are more compact, weigh less. The corresponding modifications provide the following possibilities:
- DC power connections;
- smooth speed control.
To supply current to the rotor part, graphite rods with spring pushers are used. These parts must be replaced periodically. The power of electric motors of the collector type is from 340 to 780 W at a rotational speed of the working shaft in the range of 11400-15200 rpm.
The photo shows the power unit, which was first used by engineers of the famous South Korean brand LG. It is often called inverter, since it is assumed that it is possible to smoothly adjust the speed (up to 2 thousand per minute) using an external control device. The power of such units exceeds 500 W, which allows it to be connected directly to the drum shaft without a special belt drive. The following parameters and features of the motor from the washing machine determine where this power unit can be used:
- power;
- working shaft rotation speed;
- sizes;
- power supply and control circuit.
For your information! More attentive people pay attention to maintainability, reliability, resistance to external influences. They study the opinion of experts in specialized forums, the official guarantees of manufacturers.
What can be done from an old washing machine: examples of work with comments
The information below will help you implement different projects based on the appropriate powertrain. Here are the current homemade products from the motor from the washing machine, which proved to be good in practical tests. Some projects come with step-by-step instructions with detailed explanations of the build process.
How to make a grinder or sharpener from a washing machine engine
| Illustration | Description of action |
 | First of all, we will determine which replaceable nozzles will be used in practice. The features of the processing processes are essential: the duration of the cycles, the hardness of the workpiece material, etc. |
 | In this version, the author uses 200 mm diameter sanding discs with an adhesive layer on the non-working side. He picked up an approximate size of a nozzle from a "grinder" (175 mm) with a threaded connection in the central part. |
 | To implement the plans, an old washing machine engine was found, which rotates the armature at a speed of up to 1500 rpm. In the photo, the arrow marks the starting relay fixed to the case. Power supply - from an alternating current 220 V. |
 | A special attachment has been created on the lathe. It is attached to a 14mm shaft with a screw. A threaded rod is welded to the end face of the part, which corresponds to the connecting unit of the adapter. |
 | In practical tests, it became clear that the initial rotation did not match the direction of the thread. This means that when performing work operations, the nozzle will be unscrewed. The author did not use a special electrical circuit, but changed the places of the housing covers together with the bearing. |
 | For reliable fastening of the power unit, a special frame was created from steel corners. Welded joints are cleaned. At the final stage, the product is sequentially coated with a metal primer and paint. |
 | Using screws, a table (1), equipped with a rotating frame, is connected to the bed. A support rod (2) with height adjustment is installed in the center. With its help, the exact angle required for working with workpieces is set. |
 | The assembly has confirmed the accuracy of the calculation and individual parts. To exclude errors, it is necessary to prepare a set of drawings in advance. Compliance with engineering standards is optional. However, it is necessary to carefully understand the features of each component of the structure, note the dimensions and landing dimensions. |
 | A practical test shows the good functionality of the new machine. Power is enough for processing duralumin blanks. An additional plus is the quiet operation of the washing machine engine. |
 | To collect and remove waste, a special box was made with a branch pipe for connecting a vacuum cleaner. It is installed at the bottom of the bed under the working area. |
For your information! Using this algorithm, it is easy to create a high-quality grinding machine from a washing machine. To increase safety, personal protective equipment should be used during processing. Also useful is a transparent polymer shield that covers the work area.
Wood lathe
It is not too difficult to create a sharpener with your own hands from a washing machine. However, the following example demonstrates the relative ease of making more complex equipment.
Since an asynchronous motor from the Vyatka washing machine is used, a capacitor is installed in the power circuit. The anchor of this power unit rotates at a speed of 400/3000 rpm. To set the axle parallel to the frame parts, washers of the appropriate thickness were selected.
Lawn mower
The picture shows important nuances:
- These rods (1) must have sufficient strength, since the movement of the equipment around the site is carried out manually.
- For the convenience of the user, the engine switch from the washing machine is installed near the handle. For the connection, use a wire (2) with high-quality insulation. Provides good sealing of electrical components so as not to create accidents in high humidity conditions.
- The belt drive (3) reduces the vibration level. Changing the size of the pulleys, select the optimal speed of rotation of the knives.
- Such nodes (4) are used to adjust the clearance, the height of the lawn mowing.
- Large wheels (5) are useful for overcoming obstacles on the ground.
Feed cutter
How to convert an old washing machine engine into a generator
However, to obtain such a result, special training is required. A recess is made at the end of the rotor. Permanent magnets are fixed in it. The upgraded part is installed in place. To store the received energy, a rectifier and a battery are used. These units are connected via a controller to optimize the charging process.
Concrete mixer
Here, two belt drives are complemented by a gearbox. In the complex, it turned out to create the necessary torque with a relatively small power of the electric drive.
A circular saw
What can be made from a washing machine drum: simple designs
In practice, not only the engine from the washing machine is useful. What can be made from a drum is described in the following sections of the publication.
Brazier from a drum from a washing machine: photos and useful tips
The stainless steel brazier looks great. It retains functional characteristics and flawless appearance for a long time. It is easy to clean it from dirt. There are no sharp corners or other potentially dangerous parts. Resistance to high temperatures will come in handy. Low weight means easy handling. The most suitable blank is a drum from a top-loading washing machine. It has special doors that close the firebox and regulate the air flow.
Will the smokehouse come out of the drum of the washing machine?
For processing, meat, fish and other food products are placed for a long time in a closed container, where a high concentration of smoke is maintained. They use low and high temperature technology. Good tightness comes in handy anyway.
All unnecessary holes are welded. Install a branch pipe for supplying smoke. Lattice shelves and hangers are mounted inside for placing products.
Decorative and functional crafts from the washing machine drum
These pictures show examples of products that can be created quickly and efficiently without detailed instructions:
How to create a feather removal machine from a washing machine with your own hands: using several pieces of old equipment
The photo shows what can be done from an activator-type automatic washing machine. After a significant rework, you will get a convenient device that will help automate the tedious process of processing poultry before selling (long-term storage). Such equipment is used to solve household and commercial problems.
A similar design is made from a washing machine. Rubber pins (beats) are inserted into the walls of the tank and the disc installed from below. When the bottom rotates, these elastic elements tear off the feathers from the carcass. To increase the efficiency of the process and remove debris, watering is used from the upper side of the container.
Homemade products from the engine from the washing machine: conclusions and additional information
In any case, even when working with a relatively simple structure, project documentation should be prepared. This will simplify the search for additional components and prevent assembly errors. Use the comments to post your ideas and get answers to additional questions. With the help of our online magazine, it is easy to draw the right conclusion about what to do with an old washing machine after the intended use of the technique has been completed.
The video demonstrates the principle of operation and features of the feathering machine:
A washing machine, like other household electrical appliances, breaks down after a certain period of operation and cannot be repaired. Therefore, you have to purchase a new one, but what to do with the old typewriter? Of course, you can just throw it away for disposal like solid waste. But this is done by impractical owners, since the design of this household equipment includes many useful elements that may still be useful on the farm. Consider what can be done from an automatic washing machine.
What parts can be used
A washing machine is a rather complex household equipment that includes many individual elements. The more modern it is, the more details are included in its design.
Washer elements that can still be useful in everyday life:
Important! If you are good at electronics, then you should not throw away the control unit, which includes a large number of semiconductor components that can be useful when repairing other electrical equipment.
Application of the working motor of the washing machine
Consider some homemade products from a washing machine engine. Today, with the help of the Internet, many home craftsmen are happy to share their own inventions, in the design of which spare parts from old washing machines were used. Let's consider the most popular ones.
Concrete mixer manufacturing
When carrying out repairs in an apartment, a private house, you may need a small amount of concrete mortar. Renting a concrete mixer for such a purpose is too expensive. You can build such a tool yourself, for which a case from an old washing machine (except for an automatic machine) is suitable.
Manufacturing instruction:
A simple concrete mixer for domestic use is ready. With such a device, you can easily prepare a bucket of solution.
Emery from the engine from a washing machine
A working motor from an old automatic machine can be used to make electric emery with your own hands. This is done very simply - an emery stone (sharpener) is installed on the motor shaft. Such a tool will be very practical in the country, since it can be used to sharpen not only knives, but also shovels and axes.
Feeder, grain crusher
For those who have a small plot of land, maintain a household, a self-made grain crusher and a feed cutter will not hurt. If an electric motor of an automatic machine is used for this purpose, then a home-made device will work no worse than factory equipment.
It is not difficult to make a feed cutter in a domestic environment. In addition to the motor, you will need a top-loading machine body, which can be found in scrap metal.
It is important to understand! The motor of a failed washing machine can be used to make many different household tools that require rotation.
The working motor of the washing machine can be used to make a homemade kneader.
How to connect a motor to a washing machine
If the owners of the old machine have ideas for the further use of the working engine, the question immediately arises of how to connect it to the 220 V.
To begin with, it is worth understanding the electrical circuit, after which it will not take much time to connect the motor to the power supply. We need to deal with the wiring. Specifically, wires connected to the stator, rotor will be used.
How to choose the right wires
Look from the front at the block with the wiring - the first two wires on the left are most often the tachometer wires, through which the washing machine speed is adjusted. We won't need them.
Then comes the red, brown stator wire, followed by two wires (green, gray) connected to the rotary brushes. We will need all these wires to connect the engine to the mains.
Important! To connect the washing machine motor to the 220 V power grid, a starting capacitor is not needed, and the starting winding is not needed for the motor itself.
Of course, in different models of washers, the wires differ in color, but the principle of connection is the same. To deal with the wiring, you need to ring each wire with a multimeter. The device must be configured to measure resistance. Then one probe of the device is applied to any wire, with the second probe a pair is selected for it.
A quietly functioning tachogenerator most often has a resistance of the order of 70 ohms. These wires are recognized first of all, retracted to the side. After that, the rest of the wires are called, broken in pairs.
We connect the engine to the network
When everything is clear with wires, you need to connect them correctly:
- In accordance with the diagram, the end of the stator winding must be connected to the rotor brushes (it is recommended to make an insulated jumper).
- It is necessary to connect the wire of the rotor brush, the end of the rotor winding to the mains. After applying voltage to the wires, the motor will start to turn the shaft.
Important! Washing machine motors are powerful. To avoid injury, you must be extremely careful. Therefore, before starting the equipment, it is recommended to carefully fasten the motor to some kind of base.
Washing machine drum use
The drum from the washing machine, made of durable stainless steel, can be used for a variety of purposes in the household. You can make many practical products from it with your own hands, for example, a barbecue grill or a barbecue roaster.
How to make a brazier:
- it is necessary to disconnect the drum from the old washing machine along with the shaft and pulley;
- we set it up with a hatch on the wheel;
- the brazier is ready.
The working part of the brazier can be increased slightly. To do this, you need a grinder, with the help of which the front part of the drum, located near the hatch, is cut off. Accordingly, it will be much more convenient to put firewood in it.
For your information! For making a barbecue, the drum is an ideal material, since it has a huge number of holes through which the air flow will evenly blow the coals, creating the necessary heat.
You should not throw out a washing machine that has worked out its life, as it consists of many useful parts that can still be useful in everyday life, in the country, for housekeeping. At the same time, various hand-made devices will help save money.
When a washing machine breaks down and it is no longer expedient to repair it, then it becomes necessary to purchase a new one. Don't rush to throw away your old washing machine. If, then why should the good be lost. You can make many useful things from it that will be useful to you around the house. Let's look at what can be done from an engine from an old washing machine.
Electric emery from a washing machine engine
One of the options for using an engine from a typewriter is the manufacture of electric emery... This device will be very useful in the household. Thanks to him, you can quickly sharpen a knife, drill, scissors and any other cutting tool. Of course, the task is not an easy one, but with a skillful approach, everything can be done quickly enough.
The first and foremost task- this is to attach a whetstone to the engine itself, or rather, to the engine shaft. The problem is that the main diameter of the grindstone hole and the diameter of the washing machine motor shaft are completely different. This problem is being addressed. You need to prepare a special flange that will have two different sides. On the one hand, there will be the necessary thread to securely fasten the emery wheel, and on the other hand, the motor shaft will be pressed in. To make the flange, you need a small piece of steel pipe with a diameter of 32 millimeters.
Flange making process:
- We take the necessary pipe (32 mm). The pipe length should not exceed 20 centimeters.
- Now you need to thread one end of the pipe. To securely fix the flange on the shaft, it is necessary that the thickness of the emery wheel is half the length of the thread. It is very important to consider the direction of the thread. It should be cut in the opposite direction of rotation of the motor shaft. Otherwise, the whetstone will simply fly off the shaft as it rotates.
- The other end of the shaft must be heated with a blowtorch and pressed onto the shaft. After cooling down, the pipe will be securely fastened to the shaft. For a stronger connection, you can weld the pipe to the shaft. If there is no welding, then you can simply drill a hole and connect with a bolt and nut.
- Now you need to pick up three nuts and two washers of the required size. At the end of the threaded pipe we screw one nut all the way, put on the appropriate washer, then the emery wheel, then another washer and tighten it all with the second nut. You need to tighten everything tightly, and at the end also fix it with a third nut.
The main task is completed, now you need to secure the engine in a reliable way. The mounting stand is made depending on the presence of holes for mounting itself. After making the stand, we fix the engine on the workbench. The motor brackets on some washing machines are great for mounting on a workbench.
Electrical connection
After the engine with emery is fixed on the workbench, you need to connect it to the power supply.
This completes the process of making electric emery. The device is now ready for use.
Making a lawn mower from a washing machine engine
Feed cutter manufacturing technology
The feeder is ready for use. Thanks to such a device, in just one hour, you can process up to 100 kilograms of raw materials in various cities.
Making a concrete mixer from a washing machine engine
If you are planning a construction site, then do not rush to throw away your old washing machine. You can make a full-fledged concrete mixer from it, which will greatly facilitate the construction process for you.
The process of performing work on the manufacture of a concrete mixer
We make a generator from a washing machine engine
A 12 V generator can be made from a car engine. To do it, you do not need a lot of work and a lot of additional materials. All that is needed are 32 custom-sized magnets (20 x 10 x 5 millimeters). 
The whole alteration process consists in removing the core layer and installing special magnets. The rotor has four poles, with eight magnets per pole. On a lathe, you need to remove a small layer of the core and install magnets in these grooves. Then the poles must be filled with epoxy resin, having previously wrapped them with paper. Now you need to install new bearings. Find the working winding, and cut off the old wires. The generator is now ready for operation.
If you have imagination, working hands and the necessary knowledge, then on the basis of the above examples, you can assemble other devices and devices for various purposes. All of the fundamental principles are outlined in the examples above. The analogy of production in most cases will be the same, with the exception of the characteristic nuances.
In the modern rhythm of life, time passes very quickly and now a once high-quality and reliable washing machine turns into trash due to wear and tear or for other reasons. What to do with your beloved helper? Many will decide with a heavy heart to throw the device away. But owners with imagination and straight hands can start looking for options for using various working parts. This text is intended to help find the application of the engine from the washing machine. So what can be done from an old washing machine, or rather, from its engine?
It is necessary to start first of all with the basis of the future machine. This platform can be a plate made of old chipboard from old Soviet furniture, which is distinguished by its strength and reliability. The power unit of the unit is the engine from the washing machine... There are standard studs on its body, to which you need to attach mounting angles, which you will need to purchase in advance at any building supermarket or store. Accordingly, we attach the corners to the stand or directly to the base, if it is convenient, of course.
Do not forget that simply connecting the motor from under a 220 W washing machine will not lead to anything good. It is necessary to save the native capacitor and connect the motor through it.
Since the motor shaft from an automatic washing machine is not intended for fixing various cutting or sharpening discs on it, you will need to look for an adapter for a sharpener or an adapter for emery on local electronic boards and purchase it in order to make the device perfectly.
The purchased adapter sits on a 14 mm shaft. Visually, it cannot be confused with anything - a cylindrical element that is fixed with a threaded bolt. The cylinder shaft itself has a thread M 14. A double-sided washer with flowing diameters is put on it, allowing you to install all consumables for a grinder based on an old engine from a washing machine.
Based on the foundation it makes sense to make and install a removable table from the same fiberboard boards. To securely fix the table, on the base, you will need to use two dowels on both sides of the surface. In this addition to the machine, it is necessary to make clearances for a wide variety of discs. It is important.
Thus, an inexpensive but functional sharpening or grinding machine is obtained. It will last a long time and reliably, which is very pleasant, especially in the context of the fact that it was made from an old motor from a washing machine. By the way, some took this principle as a basis in the manufacture of a router, although most of this idea still seems crazy.
Lawn mower
In order to bring this idea to life and make a high-quality device, you need to use:
- steel base;
- wheels and handle;
- the wire;
- a knife that you need to make yourself.
Traditionally, you should start with a base of sheet steel 500-500-5 millimeters. Having prepared the wheels from under something, for example, from an old stroller, we attach them to a steel sheet. The engine itself from the old washing machine is attached directly to the finished base by means of standard studs on the motor housing. On the shaft of the unit itself, with the help of an adapter pre-machined on a lathe, the cutting knife is fixed. Then, having prepared the handle from the available material, we attach it to the steel base. Using the same handle, we bring out the power supply wire of the motor.
The advantages of this lawn mower are the simplicity of the design as well as its functionality. And the best part is that an analogue of a factory mower is much more expensive.
Wood lathe
For the base of the product, a bar of 250-50 millimeters is needed on which the engine from the washing machine is attached. How? The answer is simple - with the mounting angles. The studs are bolted to the corners, and they, in turn, are screwed to the base with self-tapping screws. We put an adapter for a sharpener on the motor shaft. Then we screw on the adapter thread a removable nozzle welded from a bolt with a corresponding thread and a small cylinder with spikes. Thus, this part of the machine is a fixed headstock.
A welded structure acts as a movable headstock, consisting of:
- internally threaded pipes;
- a vise shaft, at the end of which there is a small cylinder with a thrust bearing and spikes.
T the ruba is welded onto a pedestal from a square of 45-45-3 millimeters... The base for the movable headstock is made of sheet steel, on which the pedestal is also welded. Then the base of the headstock is screwed to the bar protruding from the base of the machine.
The next structural part of the lathe from the engine from the old machine is the "stop". It is made of a corner with a cut-out groove, which acts as a guide, and a second corner, which reliably walks along the grooves in the guides thanks to the bolts between these two elements. The same bolts also fix the corner on the guides. The stop is fastened with self-tapping screws directly to the timber.
Circular
First, you need to roll up the bed from a square pipe in the form of a small rectangular table. In the center of it, it is necessary to weld the ears under the shaft with fastening under. On the top of the bed, screw a worktop or a cut-out plate of sheet steel. Under the upper parts of the bed, you will need to weld the base for the engine from the old washing machine with installation later.
In the form of a chassis, a belt drive is presented... On the shaft of the motor and the circular, both pulleys have grooves, and the belt has grooves. This prevents the belt from flying off the pulleys during operation. For ease of use and transportation of this circular, two wheels from the old trolley are attached to the legs of the bed on one side, and on the other side - a convenient handle of the required length. Operating tips include safety rules when working with a circular, as well as the fact that it is always necessary to check the belt tension. This will keep the fingers and the rest of the body intact.
Wood splitter
To begin with, it is worth preparing:
- a threaded cone pre-machined on a lathe;
- a shaft at one end of which a thread is cut;
- two bearings in the housing;
- bearing sleeve;
- pulley;
- a bushing for a pulley;
- nuts and washers with bolts.
Naturally, an engine from an old machine can act in the form of a motor. It is also worth noting that the more massive the pulley, the more powerful the wood splitter will be.
First, the shaft should be placed in the bushing., and then assemble the shaft on the bearings. After that, we securely fasten the cone to the shaft with spacer bolts so that the bolts go into the recesses in the cone. Then the pulley is pushed onto the shaft and clamped through the locknut with a washer. All mechanics are positioned and fixed on a sheet steel plate. At the end, you will need to make a bed, place an automatic machine on it from an old washing machine and pull a belt between the motor pulley and the shaft.
Some ideas from other elements
The scope of the engine from the old, but so dear to the heart of the washing machine is truly great. The options described above are just some of the possible. More information about the use of this kind of engine, or, in general, all parts from an old washing machine, including a drum, can be found on the Internet.
« It is better to see once than hear a hundred times”- this immutable truth applies to the search for interesting variations in the use of elements of the washing machine today. How? There are a lot of options on the Web that can be made not only from the engine, but also from the drum, housing and even the belt separately. What is it about? Some parts of the washing machine can be used to make a mill, mill, generator, pump, and even a barbecue and part of the interior decor can be made from a drum!
Emery from the engine from the washing machine is useful in the household not only for creating any crafts, but also for such mundane tasks as sharpening kitchen knives, scissors and other similar tools. Making emery with your own hands is a good alternative to similar devices that are sold in construction markets or in various specialized stores, since the price of industrial emery is too expensive for many. Therefore, you can try to make such a tool for your home workshop yourself, which will cost much less than a purchased device (but only if you have a working motor from an old washing machine).
Figure 1. Emery can be made from the motor of a waste washing machine.
What is emery useful for?
The main areas of use for this mini-machine are as follows:
Emery device from the washing machine engine: 1 - electric motor shaft, 2 - bearing, 3 - electric motor case, 4 - cover, 5 - cover, 6 - spacer sleeve, 7 - bushing, 8 - emery wheel, 9 - key, 10 - bolt , 11 - grover, 12 - flat washer.
- Drill sharpening for a drill or small drilling unit. With prolonged use, this tool gets very hot and dull, so it is necessary to restore its cutting edge. When working at high speeds, the drill often breaks, therefore, in order not to lose it, this product must be resharpened for further operation.
- Sharpening a dull kitchen knife. When processing food, it often loses its cutting ability. Therefore, to restore them, it must be sharpened again. The same applies to ordinary scissors.
- To grind or polish any part, you can use emery from the engine from the washing machine. To do this, you can simply replace the grinding wheel with a grinding wheel of the same diameter.
For these purposes, you can purchase in the store and an industrial design of a similar machine. These devices differ in their capabilities: from a simple sharpening device for sharpening dull knives to powerful units for removing a large layer of metal. For a home workshop, a double-sided electric-powered emery is best suited, which has a rough grinding wheel on one side and a fine grinding wheel on the other. They are covered with shrouds to prevent injury when breaking a circle while the engine is running. When choosing, you should try to buy a machine that has an adjustable stop for the sharpened tool. It is good if it will be possible to adjust the speed of such a unit. This is necessary to prevent the burning of metal parts. Next to such a machine, it is necessary to strengthen a bath with cold water in order to periodically cool the processed edge of the tool or the surface of the workpiece during sharpening.
How to make emery with your own hands?
First you need to pick up and remove a working motor from an old washing machine. You can also use an electric starter motor from cars.
Engines from old-type washing machines, for example, Vyatka, Riga, Siberia, etc. are well suited for creating homemade emery. They are equipped with relatively powerful electric motors of 180-350 W, which also have a reverse ... The start of such an electric motor is carried out using switches with a starter.
While the whole DIY emery system looks pretty straightforward at first glance, the layout of the machine can be tricky.
The main question when creating such a unit: how to put a grinding wheel on the motor shaft? Many types of electric motors from washing machines have no thread on the shaft, and its caliber does not match the diameter of the inner hole of the circle.
In order to eliminate these inconsistencies, a special transition piece is made on a lathe, which has a hole on one side for attaching to the motor shaft, and on the other, a flange and a cylindrical part with a thread, the diameter of which corresponds to the inner hole of the grinding wheel.
Electric motors from washing machines for homemade emery are usually asynchronous. For the machine, copies are suitable that have from a thousand to one and a half thousand revolutions per minute. If an electric motor for 3 thousand rpm is available, then for direct installation on its shaft the grinding stone and adapter must have high strength. It is possible to use (if possible) the countershaft and belt drive to reduce the speed, but this will cause additional costs and complicate the design. High-speed motors are best suited for polishing jobs.
The acceptable power of electric motors for homemade emery is in the range from 200 to 400 watts. For a home sharpener, a standard 180 W motor from an old Soviet washing machine is enough. The number of its revolutions is practically in the range of 1350-1370 rpm, which is quite suitable for homemade emery. These motors are usually single phase and have capacitor starting. Three-phase specimens can also be used, they are connected to a standard 220 V network through a capacitor. If a person does not know how to do this, then you can seek advice from a specialist.
How to carve an adapter and other parts?
An adapter with a flange is turned on a lathe. To do this, you need to draw up a sketch of it and indicate on it the dimensions of the diameter of the electric motor shaft and the internal hole on the grinding stone. The best material for the adapter is tool steel.
The flange can be machined directly on the adapter, or you can make it separately. In the case of a separate version, it is pushed onto the shaft and fixed with a bolt and nut with a left-hand thread. These parts must be threaded, the direction of which depends on which direction the motor shaft rotates. If this happens along the clock, then the threaded connection should be left-handed, and if vice versa, then right-handed.
If everything is taken into account correctly, then when the emery is working, the nut will spontaneously twist and firmly hold the stone in its place. Otherwise, it will fly off and cause serious injury to the working person.
If there is no suitable cylindrical material for the adapter sleeves, then pieces of thick-walled pipes can be used for their manufacture, and the gaps between the motor shaft and the sleeve can be filled with an insulating tape made of fabric. But this design does not always provide the necessary safety during operation, as beats may appear.
If you take a pipe with an outer diameter of 3.2 cm, then the circle will be put on it without any reeling with an interference fit.
You can assemble the desired structure by using several bushings of suitable sizes. But they must fit tightly into each other. In this case, details such as nut and bolt are required. To install this screw, a hole is made in the motor shaft with a depth of 30-40 mm, and then, holding the roller in a vice, cut the thread for the bolt with a tap.
A nut with a left-hand thread can be turned on the same lathe or you can find the right one by removing this part from another machine.
What to do after making the required parts?
After all the necessary components are ready, they begin to assemble the emery. An adapter, a grinding wheel, a flange are put on the shaft, a nut is screwed on and all this is fixed with a bolt. The appearance of such a homemade emery is shown in Figure 1. To connect to the network, you may need a long two-wire wire and an electrical plug.
If the direction of rotation of the motor shaft needs to be changed, then this is done by switching the corresponding windings of the induction motor from the washing machine. If necessary, you can contact an electrician you know to accomplish this.
If the motor has 4 ends, then it will be quite simple to do this: it is enough to determine the windings with a tester and change the ends on one of them.
When working on this device, you must observe safety precautions and wear protective goggles, etc.
DIY materials and tools for making emery:
- Grinding and polishing wheels.
- The electric motor from an old washing machine.
- Tool steel cylindrical bar.
- Round timber for flange and nut (metal).
- Bolt.
- Lathe.
- Electric cable and plug.
- Vise.
- Tap.
- Calipers.
- Paper and pencil.
Making an emery tool for homework is pretty simple. The main thing is to take into account all the above recommendations. A homemade machine is so simple that it starts working right away. You can sharpen drills, knives and scissors at any time.
