The polishing process is carried out upon completion of many works. This is a rather labor-intensive and time-consuming technology. Doing it manually requires a lot of patience. In addition, to obtain a high-quality result, you must have at least some experience and skills.
For example, after painting a car, final polishing is carried out. After the cutters are completed, they are sharpened. A felt wheel for sharpening is a good assistant in these matters. But, without knowing the technology, you can ruin the previously done work. Let's try to understand all the features.
Assortment of attachments
The most common products for processing automobile bodies are: sponge-like, abrasive with varying degrees of grain, felt, having a soft surface. They are conventionally classified according to the type of production into two types:
- petal (has high productivity and high price);
- surface grinding (made like a rubber disc with an additional coating for processing).
The material for these items is dense foam rubber or felt, which has different diameters. However, kits are sold that consist of several elements that have different purposes and manufacturing complexity.
Making your own nozzles
If there is no suitable option on sale, then for a disk with a high level of rigidity you can make a soft layer of great thickness and place it between Velcro and a plastic base. Using a utility knife, you need to cut off the Velcro where the soft layer will be glued. For the soft layer, a bath sponge is mainly used. It must be remembered that individual elements can shift, breaking the overall symmetry.
You can also use a felt disc, which is used in a polishing machine and machine. First, you should make a pin with a suitable diametrical size and apply a thread on one side. On this side you need to secure the disk, which is surrounded on both sides by a wide nut and a limit washer. This device is not difficult to manufacture and can be used to process various surfaces.
How to make a felt circle for a small grinder
In a private home, garage or workshop, a felt wheel is usually used for polishing axes and knives. In general, the thing is necessary and useful, and you don’t have to buy it.
You can make a felt circle for a small grinder with your own hands. And this is not at all difficult, as it might seem at first glance.
As a basis, the author uses a disc with Velcro for grinding wheels, which goes on an angle grinder. First of all, it is necessary to completely remove the material with Velcro - only “bare” plastic and a nut for the angle grinder should remain.
Application nuances
A drill attachment for car polishing can be purchased at any store that sells car products. However, you should choose these devices carefully.
Body elements of new cars are made using modern technologies. An anti-corrosion compound and paint are applied to the metal, which are wear-resistant. They will last approximately 15 years. However, this coating is better preserved if it is properly cared for. The polishing device restores the original shine and removes defects from the surface. Together with a special product, such a product will cost less than services provided in a workshop.
Features of use
Progress does not stand still, and drill attachments for polishing are now available in various designs. New compositions for production are constantly appearing, which are lower in cost, but at the same time their reliability and quality remain at a high level. The devices are sold in any stores that stock automotive products. You should be careful when choosing, as you can easily make a mistake, and in the end the purchase will turn out to be unsuitable.
Body parts of new cars are produced using the latest technologies. Anti-corrosion compounds and paints that are resistant to wear are applied to the metal surface. Their warranty period is about 15 years. But the paintwork retains its characteristics better with proper care. An attachment for polishing a car allows you to restore the original shine, remove imperfections on the surface, and together with specialized compounds they will cost much less than going to a workshop.
Using a polishing wheel
By using a polishing wheel on a drill, you can update the appearance of your car. This procedure is most effective if you need to smooth out small chips or remove tarnishing of the surface.
The work is carried out in 2 stages:
- removing paint from the body surface;
- applying polishing compound.
Protective treatment is also carried out to reduce the negative effects of various types of precipitation and ultraviolet radiation. It is mainly done when preparing a car for sale. A protective layer (it contains wax or silicone) is distributed over the surface of the body to form a film that is invisible to the eye, repels moisture, and makes the body shiny. You can polish a used car with a soft pad if there is no paint damage. It can also be used with careful treatment with a protective agent.
Materials for car body processing
To carry out the car processing procedure, the following materials are needed:
- foam;
- sandpaper;
- grinding compound;
- bike;
- polish.
The product that will be used to treat the body surface must be selected carefully.
A paste containing abrasive particles is needed to remove the top layer of varnish. It must be selected depending on the type of cracks and chips present on the body. A product with a large number of particles is necessary if the defects are very noticeable. Nowadays there is a large assortment of drugs on sale that add brightness to color. The protective coating of a new car may develop cloudy streaks. In such a situation, a restorative paste containing a grinding additive will be sufficient.
A variety of tools allow you to solve any problem. For vertical surfaces it is convenient to use a thick paste. It can be used to process any part of the machine. It is often added to components that increase the brightness of the color.
A polish with a liquid constitution is suitable for a horizontal surface, for example, a roof or hood. The main advantage of this product is that it cannot damage the enamel.
Convenient to use aerosols. They are economical and effective. However, the can does not contain very much product.
You have a polishing machine, but no felt pad for it! Then you can make it yourself, for example from felt boots or, like me, from rolled felt, in general, whoever is good at what.
A little about the material
As noted above, an indispensable assistant in the polishing business is a felt polishing wheel. Most often, circles are made from well-pressed, high-quality wool.
This is a fairly effective method of grinding, which is ensured due to the protein nature of the material used. Wool fibers are rich in a substance called keratin. It is characterized by the enrichment of basic carboxyl and amino groups. It is thanks to this that the possibility of chemical interaction with various components of the processed material is ensured. During the process, various suspensions or pastes can be used to enhance the polishing effect.
The protein origin of the material increases grinding efficiency, which is not achieved when using non-protein polishing materials.
see also
Comments 17
good video, everything is clear, accessible, nothing superfluous, thanks comrade
So the felt doesn’t stay on with Velcro?
What is the sandpaper attached to or glued to?
It clings with teeth, like Velcro on clothes.
The other day I was polishing the cylinders of the compressor, made it as written from felt boots, cut the round timber with a crown, the result is impressive
... and then you will cut sausage for a snack with this knife! In such felt you can find all sorts of inclusions, and instead of polishing you can make very good scratches. In the army, we insulated cars with this kind of felt in the winter, it didn’t work out very well, and we simply called it “koshma.”
Don’t look at it on an empty stomach, I want condensed milk)))
How to make a felt circle from felt boots and plywood
A felt circle for polishing metal can be made from felt boots and pieces of plywood. Moreover, a homemade felt circle is quite universal. It can be installed either on an emery machine or on an angle grinder.
To begin with, the author cuts out a square of the required size from a sheet of plywood. Then he marks the center and drills a hole in it for an M8 bolt. And then you need to draw a circle and use a jigsaw to cut out a round workpiece.
The edges of the workpiece must be sanded so that they are smooth. Then you will need to cut out another circle from plywood using a ready-made template. The blanks need to be glued together.
Varieties
There is a wide range of nozzles that are suitable for various surfaces, the most common are sponge-shaped, abrasive, having different degrees of grain size and felt with a soft surface. Conventionally, they are classified according to their design into flap and surface grinding types. The latter are made in the form of a rubber circle (partial use of this material is also possible) with an additional coating for processing.
They are usually made from dense foam rubber or felt of various diameters. The petal nozzle for polishing is characterized by greater productivity and, as a result, high cost. You can also find kits for body surface treatment, which consist of several elements that have different purposes and complexity of execution.
Form
Car polishing attachments are usually made in the form of a cone or a circle. They often come as an addition to polishes, along with polishing belts and sheets. There are many options that are used for both bodywork and jewelry or optics.
Thanks to such elements, the aesthetic and technical characteristics of the car are preserved, since any vehicle will look much better after a thorough washing and polishing.
Rigidity
A regular drill often acts as a grinder. But it can ensure high-quality work only if it is supplemented with suitable components. A variety of materials are used for polishing wheels. The most common attachment for a drill for polishing a car is made of felt or foam rubber. The choice of one option or another is determined by the degree of softness of the polishing paste. Manufacturers produce wheels in various colors, depending on their hardness:
- The softest is the black polishing attachment;
- orange elements are suitable for all types of pastes;
- hard compounds are used with white circles.
The entire list of available felt circles
| № | Name | List of sizes, cm | Density degree |
| 1 | Coarse wool felt circles | 10-2-3,2 12,5-2-3,2 15-2-3,2 20-2-3,2 20-2,5-3,2 20-4-3,2 | 0.30-0.45 g/cm 3 |
| 2 | Semi-coarse felt circles | 12,5-0,8-2,2 12,5-2-2 12,5-2-3,2 15-2-3,2 20-2-3,2 20-2,5-3,2 20-4-3,2 | 0.33-0.48 g/cm 3 |
| 3 | Fine wool felt circles | 12,5-2-3,2 15-2-3,2 20-2-3,2 20-2,5-3,2 20-4-3,2 | 0.38-0.50 g/cm 3 |
DIY polishing attachments
Sometimes it is not possible to find a suitable option in the store, in this case, if you have a hard circle, you can make a soft, thick layer and place it between Velcro and a plastic base. Using a stationery knife, the Velcro is cut off, onto which a soft layer is glued, which is an ordinary bath sponge. It is worth noting that during the work, it is possible that individual elements may shift and, as a result, the overall symmetry may be disrupted.
Also, a convenient attachment for a drill for polishing a car is obtained from a felt disk used in polishing machines and machines. First you need to make a pin with a suitable diametrical size and apply a thread to one of its sides. A polishing disc is fixed to it, surrounded on both sides by a wide nut and a restrictive washer. The formation of such a device does not cause any particular difficulties, and it is suitable for processing many types of surfaces.
Main stages of work
You need to glue a piece of felt to the disk. Then you need to cut it evenly along the contour of the disk and carefully trim the edges. In this case, the master uses superglue.
After the glue has set (it is advisable to wait about 4-5 minutes), you need to cut the felt in a circle with scissors. The edge of the circle is smoothed on sandpaper.
The felt circle is now ready to use. To do this, you need to fix the part that needs to be polished in a vice (or press it against the table with a clamp), apply GOI paste or another polishing paste to the wheel, and you can start working.
For details on how to make a felt circle for a small grinder with your own hands, watch the video on the website.
Source
When is polishing needed?
Such processing, despite many positive aspects, can correct only a limited list of defects. It is impossible to do without major repairs of body elements if they have pockets of corrosion, chips or damage through which the steel frame is visible. Before starting work, you should carefully inspect the machine and make sure that any defects can be eliminated. A car polishing attachment for a drill will be effective in the following cases:
- slight difference in shades obtained after partial dyeing;
- the presence of graininess and streaks of the enamel composition;
- the surface has roughness, scratches and cloudy stains;
- the paint layer became less bright and shiny.
What does the polishing attachment achieve?
Polishing makes it possible to give the body a renewed appearance. Carrying out such treatment is especially important when leveling small chips and in case of tarnishing of the surface. The work is being carried out in two stages. First, the surface layer of paint is removed, after which polishing compounds are applied.
There is also a protective treatment that is used to reduce the negative effects of various precipitation and ultraviolet radiation. Most often, it is included in the pre-sale preparation of the car. The protective coating is distributed over the entire surface and can have a different composition with the addition of components such as silicone or wax. They form a water-repellent, invisible film and provide a brilliant shine. The soft drill nozzle for polishing is suitable for used cars on the surface of which there is no damage to the paint layer. It is also used in gentle treatment with protective agents.
Polishing agents
Before you begin restoring the surface, you should make sure you have the necessary materials, such as:
Treatment products should be carefully selected. Pastes with abrasive particles are necessary to remove the top varnish layer. They are selected according to the type of cracks and chips on the surface. Preparations with a large number of particles are indispensable when eliminating noticeable defects. Compositions that add brightness to color are quite common.
Cloudy stains often appear on the protective coating of new cars; in this case, you can use a restoration paste that does not contain grinding additives.
A variety of polishes allows you to choose the right product for any task. Thick pastes are suitable for vertical surfaces. They can be used to treat any part of the car. Such products are often characterized by the presence of components that increase the brightness of the shade.
Liquid polishes are only suitable for horizontal surfaces, for example, the hood or roof. The main advantage is the absence of the possibility of damage to the enamel.
Aerosols are quite convenient to use. Such compositions are economical and effective in operation. But it is worth noting that the cans, despite their size, do not contain much material.
Communities › DIY › Blog › Help with a demagnetizer circuit.
Hi all! Can anyone post a diagram for making a demagnetizer? A powerful circuit is needed! and simple... Thanks in advance for your help!
Comments 51
Disassemble the starter (power relay) for 220 volts.
Take a coil off an old kinescope, install a button, and there you have a ready-made demagnetizer. If you need a larger size, then you take a wire, make a frame and wind a coil of the required diameter to fit your dimensions and wrap it with electrical tape on top, nothing complicated.
During World War II, ships were demagnetized. What do you want to demagnetize?
demagnetize the substance... ours were demagnetized too. I know about Eldridge
For... for what? You take an old CRT TV and remove the demagnetizer from it.
I want to conduct an experiment on demagnetizing the substance of a device to break molecular bonds))) (therefore, a powerful demagnetizer is needed)
do you need a degausser? or a powerful magnetic pulse?
In Ukrainian, but everything is clear
until you write what exactly it is for. they won't give you a damn useful answer
What a degausser is is clear. A coil with a gap so that the magnetic lines come out.
Please tell me how large objects need to be demagnetized (what output of magnetic fields from the coil is needed?
Maybe he needs to neutralize the earth’s magnetic field, plans to develop an anti-gravity engine)
He would then ask not about the demagnetizer, but about the demagnetizer or what? I can’t figure out what to call this thing.
Maybe he needs to neutralize the earth’s magnetic field, plans to develop an anti-gravity engine)
I saw it a long time ago) Cool!)
So I say - finally, here it is! DEMAUSTER! )))
Maybe he needs to neutralize the earth’s magnetic field, plans to develop an anti-gravity engine)
I want to make a micro hadron collider)))
Collider It’s a good thing, and most importantly useful in the household!) Try to look on ALIexpress, maybe it’s already available!)
In my youth I made a degausser for picture tubes. This is such a coil about thirty centimeters in diameter and with a shitty cloud of turns of thin wire and a power button. This thing was powered by 220 volts
Come on - I’m not an electrician, I can hardly help you with anything, well, I just went to the page - read it for myself and. No offense
no, neither this nor that! I need it for an experiment...
Yes, I'm kidding - a moment of humor)))
yeah - I especially feel the help in my question from such humor...
For this purpose, a neodymium magnet from an old disk is sufficient.
autonomy - operation from a car battery or a gas generator, the ability to demagnetize an item the size of a 200 liter barrel.
do you want to build a hyperboloid?
We take a CRT TV, remove the demagnetization loop from the kinescope, put it in 220 and enjoy
enjoy it for a short time without a posistor
I agree, protection is needed
I need an autonomous one (I can also demagnetize an AC welder) I need an autonomous and powerful circuit (very possible)
Should you destroy the data or kill the bugs? There are a lot of diagrams, explain what is needed at the output.
At the output you need a constantly working powerful demagnetizer... the circuit is needed without microcircuits if possible, but with conductors and coils - I can’t really explain it - I could have made the circuit myself then.
I need an autonomous one (I can also demagnetize an AC welder) I need an autonomous and powerful circuit (very possible)
The demagnetizer is a choke with a gap. You need a big choke, big enough so you can demagnetize the big thing. The inductance of the inductor will be very large, the winding will have to be wound with a thick wire and for a long time. Moreover, you will have to make a converter for the autonomy of the device, that is, 12 volts are supplied to its input, and the output is alternating 50 Hz 220 volts, for example. And then on the throttle. This is how I see the device. But you are unlikely to find a universal unit for your task!
Can you post a diagram like this? maybe not from 12 volts, but more is possible.
Overall, the task ahead is not easy. Is it possible to find transformer steel to assemble a ring of the required diameter from it and then make a gap in this ring, and then wind turns of copper wire around this ring?
I don’t know how to type on the Internet - demagnetizer circuit?
That's not the way to look. Here, for example, is a “voltage converter 12 220 v” and a lot of links in front of you. If you can’t do it yourself, you’ll have to buy it or ask someone. but not me, no time.
Is it possible to make a demagnetizer at the resonant frequency so that it produces a lot with low consumption?
The demagnetizer is a choke with a gap. You need a big choke, big enough so you can demagnetize the big thing. The inductance of the inductor will be very large, the winding will have to be wound with a thick wire and for a long time. Moreover, you will have to make a converter for the autonomy of the device, that is, 12 volts are supplied to its input, and the output is alternating 50 Hz 220 volts, for example. And then on the throttle. This is how I see the device. But you are unlikely to find a universal unit for your task!
