DIY mini grinder made from a screwdriver

Do-it-yourself 12V grinder

A grinder in the hands of a master can work wonders. It is used to cut material, sharpen tools, and polish parts. But there are situations when there is no 220 V network or it is located far away and there is not enough cable to connect.

A homemade grinder operating on 12 V will help out, which can be connected to a small battery or to the car’s network. The advantages of such a tool are its quiet operation, which allows you to use it without fear of problems with your neighbors.

The homemade product is driven by an electric motor 775, operating from 12...24 V. It has a cooling fan, the armature is located on bearings. All this makes the motor long-lived even with active use.

In addition to the electric motor, prepare: an adapter for an angle grinder; connector through which the power source is connected; paint; switch; wires; self-tapping screws; cogs. The body is made from various PVC parts used for installing water supply, sewer, and electrical networks. Tools used include a hacksaw, glue, drill, caliper, drill, and marker.

For the body (handle), PVC parts are prepared: a piece of pipe; 90° connecting angle; adapter for smaller diameter. The adapter is glued to the corner, then a piece of pipe is glued to its free end. Get an elegant handle.

They make a protective shield that will protect the worker from sparks and disk fragments. Use a PVC plug with an 11 cm diameter. A hole is drilled in its center with a diameter equal to the size of the part protruding from the engine housing (next to the shaft outputs). On the sides of it there are two more holes for mounting screws. Through the latter, the engine is attached to the shield.

Using a grinder, cut off a segment (approximately 3.5 cm high) of the protective cover, forming a working area for the disk. In this case, the mounting holes must be parallel to the cut and remain on the part.

Cut a piece of PVC pipe. Glue it to the outside of the protective cover so that the segment does not interfere with the installation of the motor. In the craft, it will be located inside this segment, which, in addition, ensures the connection of the knot with the free end of the corner in the handle.

At the free end of the corner of the handle, closer to the bend, a series of holes are arranged in a circle, which will ensure heat removal from the running engine. To it, closer to the edge, an additional short handle from a piece of pipe of a smaller diameter is glued vertically.

The surfaces of all plastic parts of the handle and protective shield are painted with aerosol paint. The color is chosen from those you like.

The engine is secured with screws from the back of the protective casing. Insert the latter into the free end of the corner on the handle - connect the parts with screws (better, it allows you to disassemble the tool in the future), by gluing.

The end of the handle is closed with a plug in which a switch and a power connector are placed. Suitable holes are pre-arranged for these parts; installing the connector with glue. Before installing the plugs, solder the wires coming from the engine to the connector.

The motor shaft is equipped with an adapter, securing it with a screw having a hex head. Secure the disk and try to work.

Grinder from a drill

For such a transformation, the following tools will be useful at home:

Before starting the transformation, you need to make sure that in the coming days the drill itself will not be useful in the work. In the last article, I told you how to connect and start a 380-volt motor in a single-phase 220-volt power supply. And later it’s enough to follow the step-by-step instructions:

Choose an attachment for your future grinder.
Take a small diameter steel rod without grinding off one of its edges. This action is necessary for the best fit into the nozzle. Also, for the best adhesion, you should slightly grind down the places that will come into contact with the petals of the cartridge, not the rod itself.
Fix all parts.

A frisky, unusual method for creating an angle grinder

There is no second, more difficult method to achieve the desired result.

The chuck is removed from the drill. For an angle grinder it is not necessary, so there is an option to clean it, lubricate it, or store it.
Choose an attachment for the upcoming tool. It would be better if it were a part made of strong steel; a lightweight version would be inappropriate here.
Choosing a rod. It needs to be of such length that its part protrudes outside the drill by 1.8-1.9 cm. Next, one of its ends should be ground off with a rasp so that in the process a rod comes out that completely coincides with the socket in the nozzle itself. Before the joint, it is worth smearing its ends with machine oil for the best passage.
Installation of the ball bearing is carried out to the output area. A rod will be threaded through it for future fixation at the base. If this step is not necessary, the rod is fixed in its own place.

READ How to Disassemble the Grinder Interskol Ushm 125 1100e

Second option - Self-assembly (2 videos)

If the task is to make a miniature instrument with your own hands, then you must initially select an electric drive. A motor from various devices - a printer, an old cassette recorder, or from an ordinary children's electrified toy - can be used as an electric drive.

Depending on the power of the electric motor, you can build a mini grinder in two directions. The first direction is to use a network power source. For example, from an old mobile phone. The second direction provides for a completely autonomous model consisting of a motor that will be powered by batteries or accumulators.

The difference between the two directions is in the design of the case. In the first case, space will only be required for the electric motor, and in the second, a battery compartment will need to be installed.

It is very convenient to use a piece of PVC pipe for the body. If its diameter is slightly larger than the diameter of the electric motor, then electrical tape can be wound onto the motor. You can secure the engine using a glue gun.

As plugs, you can use plugs that are placed on PVC pipes during transportation and storage. It is necessary to make a hole in the front plug for the motor shaft, and in the rear plug for the power wire. The power connector and switch must be secured to the housing.

DIY mini drill

The ideal option would be to attach some kind of collet clamp to the shaft. This will allow you to use standard burs, drills and non-standard mini cutters and discs. If installing a collet clamp does not work, you can connect the shaft and cutting tool using a double contact from an electrical block.

In a similar way, you can make a case for a mini angle grinder with autonomous power supply. Only after installing the engine in it, it is necessary to install the battery pack. The battery wires will be connected through a switch mounted on the case.

In both cases, on mini grinders you can use both homemade tools and standard industrial ones - burs and drills.

How to make a mini grinder from a motor with your own hands?

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How to make a mini saw! How to make a mini fan.

What you can make with your own hands from a screwdriver

These design features, as well as technical characteristics, are important. It depends on them what kind of homemade products you can assemble from a screwdriver. All household appliances and power tools run on electricity. In this case, the work is performed by electric motors of different designs and power. They are powered by alternating or direct current.

Cordless angle grinder made from screwdriver parts.

And therefore, it is quite possible to assemble the following technical devices using a screwdriver or from some of its parts:

IMPORTANT! If the impact type model is powerful, then you can use it to make a concrete tamper using a special attachment. It will take you time to implement each option. It will be different. You also need to be prepared for additional costs. By the way, they are insignificant. In some cases there will be no cost at all.

Engraver

In order to make an engraver (drill) from a screwdriver without a battery or with a battery, you can use a special adapter, which is sold in a hardware store. You will also need a bit, the diameter of which must match the hole in the adapter.

To make an engraver from an old screwdriver with a working motor you will need:

disassemble the screwdriver body and remove all the insides from it.
remove the gearbox from the motor so as not to damage the shaft;
attach the bit attachment to the shaft.

To protect your hand from the current that can “hit” the motor, you can wrap it with electrical tape or make a protective casing made of rubber (silicone).

Engraver from a motor from an old screwdriver

Ideas for homemade equipment using a screwdriver

What are the functionality of this or that model? They are determined by the amount of power, torque, and whether there is a shock function.

An interesting nuance is that with your own hands at home you can make a variety of equipment and tools from a screwdriver , which will then be suitable for use in everyday life. If you have set yourself such a task, then prepare not only a power tool, but also additional materials and parts. Without them, you will not be able to remake the screwdriver.

There is a reason for such work. In the sense that each homemade device will cost you less than its factory-made counterparts. And then your manual labor will be more effective. Automation will take over the entire load.

Summarizing

There are several options for making a grinder from a drill, and all of them are quite effective depending on the tasks. It is better not to try to set serious tasks for the resulting tool, but it will cope with basic ones perfectly.

It is better to work on a hard surface, because... this will significantly improve operational safety.

And the most important thing is safety precautions, because... When repurposing, you can make minor mistakes, which will later have a very serious impact.

Assembling a camping electric generator or wind generator

To make a dynamo, there is no need to radically modify the product. After all, everything you need to make a camping generator is already included in the design of the device. Only minor modifications will be needed.

With do-it-yourself equipment, you can charge 6 or 12 V batteries. An electric tool with an operating voltage of 18 V or higher will be suitable for reworking.

The modification is done like this. First, disassemble the electric screwdriver. Then the electronic board is soldered. Instead of batteries, you need to install a diode bridge suitable in size and technical characteristics inside the battery case. Also make a handle with a handle that is comfortable for you. The end without a handle must be secured in the chuck.

IMPORTANT! A diode bridge is needed to ensure that the handle of the electric generator rotates in any direction. To get a simple wind generator, you can insert an attachment with blades instead of a handle.

We remove the cartridge with the gearbox, that is, the rotor part. We insert the electric motor shaft into the chuck. We attach a round metal plate, approximately 1 mm thick, to the gearbox gear with bolts. It will become the basis for fixing the blades, which can be made, say, from plastic pipes. Then we put the clamp with a clamp on the shaft, which is located between the cartridge and the gear.

We cut out the base in the shape of a rectangle from plywood. You can also use thin metal for this. Using a clamp and clamp, we attach the motor with the cartridge to it. To do this, you need to drill holes for fastening in the right places in advance.

In order to protect the wind generator, for example, from dust and precipitation, make a casing from an ordinary coffee can. We insert the base with the motor and cartridge inside. We take glue and secure the elements. To secure the cover you need a sealant.

We attach the made blades to the round plate of the unit. We make a weather vane, on one end of which we mount the assembled generator. We connect the wires to the motor outputs. And now all that remains is to check the output voltage. This is done using a multimeter while the blades are rotating.

IMPORTANT! There are many options for wind turbines. Even the entire screwdriver, equipped with an attachment with blades, is attached to the support.

Pros and cons of the solution

Various types of hand-held electric and gasoline tools are suitable for making grinders. The simplest and most convenient option is a device assembled on the basis of a saw with a chain. Advantages of homemade devices:

Great power. If we compare a homemade nozzle with factory models, then its power is 2 times greater.
Independence. The tool does not require electricity, so it can be used anywhere.
Easy assembly. All the necessary tools and materials can be purchased at the store or searched on your farm.
Affordable price. If you compare it with a ready-made tool, then you will need 2 times less money to assemble an angle grinder.

Despite all its advantages, the tool has a number of disadvantages. The air filters of the grinder become clogged with metal dust. Because of this, the engine gradually stalls and fails. A person can also get injured from using an angle grinder. Sometimes during operation the disks cannot withstand the load and burst. Under the influence of traction they fly apart. To protect yourself from injury, you need to choose discs up to 115 mm in diameter and use a protective cover.

Making an angle grinder from a screwdriver

There are many options for how to remake an instrument. The easiest way is to use ready-made or homemade attachments or adapters. We fix one end of it in the cartridge. You need to attach a disk to the second end.

You can also convert a drill-driver into an angle grinder using a special type of attachment, which is equipped with a gearbox. To do this, we disassemble the power tool, dismantle its gearbox and install an attachment instead. And you have in your hands a tool that is very similar to an angle grinder.

Purchasing such a special attachment will not be cheap. And modification will take a lot of time. To make homemade nozzles, use studs of suitable diameter, nuts, and washers. They can even be used with cordless electric screwdrivers.

IMPORTANT! Of course, homemade ones are less effective compared to factory grinders. The difference in rotation speeds of the nozzles is large. Approximately 3000 rpm for a screwdriver versus 11000 rpm for an angle grinder. Low power coupled with low speed significantly limits the functionality of a DIY device.

READ Do-It-Yourself Ice Drill From a Chainsaw

DIY devices are recommended for use only in emergency cases. Since reversal is possible on the tool being remade, in order to avoid injury it is necessary to control the direction of rotation of the disk.

First option - Using a drill + (Video)

The first option has a simpler solution. Let's say you need to make a miniature grinding wheel that will be installed in a drill or screwdriver. To do this we can take a broken disk. Using a caliper, we draw a circle of the required dimensions on it. Then we cut out the future miniature disk along the drawn circle. In its center we drill a hole into which we insert a bolt with a diameter of 6 mm. We put the washer on the bottom and tighten it with a nut.

The bolt will be the axis of rotation of the disk. We insert it into the chuck of a drill or screwdriver and clamp it. With this tool you can cut materials in hard-to-reach places or those that are small in size. Finished parts can be sanded.

It is easy to make a miniature cutter for cutting small parts from plastic or wood. To do this, take an ordinary tin stopper from a glass bottle. In the center of it we make a hole for installing the axle. The same bolt with a diameter of 6 mm can serve as an axis. Align the edges of the cork and cut out the teeth. It is advisable to make minimal markings.

Such a cutter, loaded into a drill or screwdriver, can easily cut small wooden planks, for example, for modeling. Plastics also lend themselves to this simple tool.

Making a trimmer or lawn mower out of a screwdriver

During work, you will also need a pipe and an angle for it with a diameter of 40 mm.

The remodeling process begins with disassembling the electric screwdriver and removing the motor. Then you need to attach it to the plug. The mounting holes are pre-drilled in it. We secure the electric motor with two screws and solder the leads to the motor. We are installing an electric motor. In this case, you need to insert its wiring into the pipe.

IMPORTANT! Using a marker on the tube, we make a mark in the place where the future switch will be located. Next, you need to attach contact clamps to the ends of the outgoing wires so that you can quickly connect to the battery.

We make a battery holder from the adapter, connect the drive, connect the adapter to the handset. The blades need to be made into knives. Using a regular terminal clamp, we connect the nozzle to the motor shaft. We make a protective casing from a plastic bucket. We glue the part to the pipe. You still need to check how efficient the design is.

IMPORTANT! This device makes it possible to mow only the grass cover that has soft stems.

There are many different options for lawn mowers, which are based on networked models of drills and screwdrivers.

The first step is to create a base from metal, plywood and other materials. Wheels and a control handle will then be attached to it. The electric screwdriver is fixed with clamps or to a stand. Insert the cutting attachment into the chuck. To protect your feet from flying grass, you need to attach a cover to the back of the base.

Feeding is done through a button. But you can do it directly from the network. If you need a fairly functional lawn mower, then take a drill-driver with a power of 0.5 kW or more.

How to make a mini grinder or dremel with your own hands Techcult

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Ideas for homemade equipment using a screwdriver

The entire range of screwdrivers is divided into corded and cordless models. Both types of products operate using electrical energy, which drives an electric motor. Only the electric motor itself in network devices is designed for an alternating voltage of 220 V, while in battery-powered equipment it is designed for a constant voltage of different values, for example, 12 V, 14.4 V. These design features, together with the technical characteristics, largely determine what homemade products can be assembled a screwdriver .

Electricity is one of the main types of energy used by humanity. Household appliances, industrial equipment, machine tools, and power tools operate using electricity. The work is performed by electric motors of different designs and power, which are powered by alternating or direct current. For this reason, the following technical devices can be assembled on the basis of a screwdriver or from its individual parts:

garden grass and branches shredder;
trimmer (electric scythe);
camping manual generator;
engraver (mini-drill, dremel, drill);
wind generator;
lawnmower;
grinder;
mini-machines: drilling, grinding, surface planer, lathe, sawing, sharpening;
tool for tying reinforcement;
gate opener drive;
means of transportation for children: ATV, bicycle, scooter;
a small ice auger, a hole drill, a construction or kitchen mixer.

The powerful impact model can also be converted into a concrete compactor using a special attachment.

The implementation of each option takes different times and requires additional (insignificant) costs, or is done without them at all.

Screwdriver machines

Craftsmen have made many different types of machines from screwdrivers . They cope well with everyday tasks.

If you need to work professionally, then you cannot do without more serious equipment.

One of the options for how to convert a drill-driver into a drilling machine is demonstrated in the video below.

A method for creating a simple lathe is shown in the video below.

It is also possible to assemble the simplest milling and grinding machines based on a drill-driver, which is demonstrated in the following videos.

Summarizing

There are several options for making a grinder from a drill, and all of them are quite effective depending on the tasks. It is better not to try to set serious tasks for the resulting tool, but it will cope with basic ones perfectly.

It is better to work on a hard surface, because... this will significantly improve operational safety.

And the most important thing is safety precautions, because... When repurposing, you can make minor mistakes, which will later have a very serious impact.

What can you make from a screwdriver with your own hands?

A screwdriver is widely used in various fields of activity to work with various types of fasteners: self-tapping screws, screws, bolts with nuts, furniture confirmations, screws and others. This power tool can also be used to drill holes in various materials, for example, in various metals, lumber, and concrete. In this case, the functionality of the model being used is determined by the magnitude of its power and torque, and the presence of a shock function.

From a screwdriver you can make a variety of equipment and tools for household use at home. In addition to the power tool itself, conversion in many cases will require additional parts and materials. But homemade devices will still cost less than their factory counterparts, making it possible to automate and make manual labor more efficient.

Historical reference

The history of the Skil company began in 1924. It was this year that American inventor Edmond Michel improved the world's first hand-powered electric saw, which he had created a year earlier, and founded Skilsaw Incorporate with his business partner Joseph Sullivan. Over the years, the product range was significantly expanded, so in 1952 from Skilsaw (eng.

• Power consumption: 400 W;• Stroke length: 18 mm;• Number of saw strokes: 3000 strokes per minute;• Depth of cut in wood (hacksaw): 80 mm;• Depth of cut in wood (jigsaw): 80 mm;• Depth cut, branch diameter: 80 mm;• Cutting depth in aluminum: 12 mm;• Cutting depth in metal: 8 mm;• Weight: 1.4 kg;

• Voltage and frequency: 220-240 V / 50-60 Hz; • Suitable for working with jigsaw blades and reciprocating saw blades; • Adjustable handle allows you to switch the tool from position; reciprocating saw in jigsaw position; • Built-in fan for dust removal; • Aluminum base; • Compartment for storing keys;

Additionally: Jigsaw phiolent

• Sound pressure level: 88 dB (A); • Sound power level: 99 dB (A); • Standard deviation: 3 dB (A); • Vibration level (when cutting cardboard): 17.7 m/s²; • Level vibration (when cutting wooden beams): 12.3 m/s²;• Vibration level (when cutting metal): 18.8 m/s²;• Inaccuracy coefficient (K): 1.5 m/s².

Converting a screwdriver into an angle grinder

If the angle grinder is broken or is missing altogether, then it can be temporarily replaced with a cordless or corded electric screwdriver. However, there are various options for remodeling. The easiest way is to use ready-made or homemade attachments or adapters. An example of an adapter is shown in the photo below. One end of it is fixed in the cartridge, and a disk is attached to the other.

Another option that allows you to convert a drill-driver into an angle grinder is to use a special type of attachment equipped with a gearbox. When implementing the method, the power tool is disassembled, its gearbox is removed, and an attachment is installed in its place. After the transformations, you will get a tool similar in appearance to an angle grinder.

It should be taken into account that such a special attachment is expensive, and modification work requires a lot of time.

Homemade nozzles are made from studs of suitable diameter, nuts and washers. They are even used with cordless electric screwdrivers.

The efficiency of homemade grinders is significantly lower than that of factory grinders. This is due to the large difference in rotation speeds of the attachments: approximately 3000 rpm for a screwdriver versus about 11,000 rpm for an angle grinder. The insignificant amount of power together with the low speed significantly limits the functionality of the device.

The devices made should be used only in emergency situations. Due to the possibility of reverse on the tool being remade, it is necessary to monitor the direction of rotation of the disk so as not to injure yourself.

Sources:

https://mcgrp.ru/article/5939-idei-samodelnoy-tehniki-iz-shurupoverta https://docs.google.com/document/d/189ekTprF2iAIraj25BtdxPxbiGi_ML0A5WonRzNcbGw/mobilebasic https://tehnika.expert/dlya-remonta/ shurupovert/mozhno-sdelat-samodelki.html

Pros and cons of the solution

Great power. If we compare a homemade nozzle with factory models, then its power is 2 times greater.
Independence. The tool does not require electricity, so it can be used anywhere.
Easy assembly. All the necessary tools and materials can be purchased at the store or searched on your farm.
Affordable price. If you compare it with a ready-made tool, then you will need 2 times less money to assemble an angle grinder.