How to make a wall chaser from a grinder with your own hands? Instructions and drawings – Setafi

How to make a wall chaser from a grinder with your own hands? An atypical question for those who like to use a grinder everywhere, but still there are such situations.

A strobe is a groove in the wall into which wires are laid. Modern wiring requirements state that all wires must be hidden in the wall. As a rule, electricians begin their work after the walls are plastered, so strobes have to be cut out to lay wires.

Manufacturers of electric tools have long come up with a specialized power tool for creating a strobe - a strobe cutter. As a rule, professional electricians use it, because it allows you to perform large amounts of work at high speed. But it makes no sense to buy a wall chaser if you need to lay wires in a single apartment or cottage. Buying a wall chaser simply will not justify itself, since after the repair is completed, the tool will be idle, which cannot be said about the grinder. At the same time, you can use a perforator to create a strobe, but this method has several disadvantages:

•  creates a lot of noise during operation;
•  works slower than a wall chaser;
•  strobes turn out to be sloppy.

That is, it is expensive to purchase a professional wall chaser, and you don’t want to use a puncher because of its shortcomings, so simulating a wall chaser from a grinder seems to be the most optimal solution.

How to make a wall chaser from a grinder with your own hands

If you have seen a professional wall chaser with your own eyes, then you know that the strobe appears in it due to the simultaneous operation of two discs that cut a groove in the wall. A professional wall chaser is good in that it allows you to quite finely adjust the width of the strobe by approaching or removing discs using a special mechanism or washers, plus, it has a special dust removal system.

It will not work to make a professional wall chaser out of a grinder with your own hands. Rather, this can be done if you spend a lot of time, effort and money on the purchase of additional equipment, for example, a special casing for dust removal. In the end, if you calculate the costs and time, then it turns out that it is better to buy a ready-made wall chaser after all. At the same time, it is possible to partially modernize “under the wall chaser” almost any angle grinder with improvised means.

How to convert a grinder into a wall chaser

To make a wall chaser from a grinder with your own hands, there are two ways:

• use special nozzles;
• remake with improvised available means.

To use special nozzles means:

1.  Buy a special disk-nozzle for the formation of strobes. These nozzle discs are easy to find in hardware stores. They are a specialized attachment tool for a grinder, which can have a different width. The width of the nozzle disk is the width of the future strobe. You just have to choose a disc with the desired width for the working diameter of your grinder.
2.  Buy a special protective dust cover. As a rule, such a casing is quite wide and is suitable for disks with different widths. The most important thing is that it is possible to connect a professional vacuum cleaner to it, which will suck in dust and small particles during the formation of strobes.
3.  Replace the standard equipment with the chasing equipment. Nothing complicated here: you will need to remove the standard protective cover and install a special one in its place. Then, in the place where the disk is attached, it will be necessary to fix a specialized disk for chasing. After that, you can connect a construction vacuum cleaner to the grinder and start working.

If you want to make a wall chaser out of your grinder with your own hands, then the option with factory nozzles is the best. The disadvantage of this method is that it requires a trip to the store and the purchase of special equipment.

Not everyone wants to travel somewhere, let alone spend extra money. That is why there is another way to convert a grinder into a wall chaser - this is to use available means at hand. All you need for this method is another concrete disc and an additional nut to secure the disc. Concrete discs must be the same, so it is better to use two new ones so that they have the same wear and diameter.

You need:

1.  Remove the standard protective cover, because in most grinders it will interfere. If there is a wider interpretation of it or a special one for gating, then install or leave these.
2.  Install one disc on concrete, clamping it with a standard nut. This is the standard procedure for installing a disk. The main thing is not to forget to take into account the working direction of rotation of the disk and grinder.
3. On top of the nut, install the second concrete disc, again not forgetting the working direction of rotation, and clamp it with the second nut.

After the second disk is installed, you can consider that you have made a wall chaser out of your grinder with your own hands. Despite the simplicity of this method, it has a number of problems.

How to make a wall chaser from a grinder with your own hands: problems

When you use factory attachments to convert a grinder into a wall chaser, then there should be no problems. Problems begin to appear when you start to "chemize" with the installation of an additional disk on the grinder. The problems are this:

1.  Some models of angle grinders are equipped with a short shaft, on which you will not be able to install an additional disc in combination with a standard clamping nut. In this case, you can try to install a thinner nut instead of a standard nut, or just a thin spacer washer and clamp both discs with one clamping nut. It is definitely not necessary to try to “build up” the shaft in artisanal ways, for example, to weld on another “piece of the shaft” - this is very dangerous.
2.  The width of the strobe is not adjustable. The width of the strobe will depend on the distance at which you fix the two discs from each other on the grinder. This distance depends on the length of the standard shaft, which means that it is very limited. You can cut through the strobes for wires, but it’s unlikely for water pipes.
3.  No protective cover. If you do not purchase a special protective casing to which you can connect a vacuum cleaner, then get ready that you will have a lot of dust. Therefore, in advance you need to take care of the presence of goggles and a respirator. Be sure to protect the respiratory system and eyes. Of course, you can make a protective cover yourself from metal and connect an industrial vacuum cleaner to it. But this is additional time and materials spent, plus you need to have welding skills and a welding machine. There are "artisanal" temporary options using plastic bottles or sewer pipes, but these are "one-time" options. It is better to buy a factory one, but it costs money.
4.  Bulgarian can burn. The grinder is not designed to form a strobe. An additional disk is an additional load on the tool, which means that the risk of failure increases several times. Therefore, when using a grinder as a wall chaser, you need to work without fanaticism and let the tool “rest”.

Conclusion

Now you know how to make a wall chaser from a grinder with your own hands. On the practical side, the most acceptable option is to remake the grinder with the help of factory nozzles, because the method with an additional disk has a lot of disadvantages, but the most important thing is that it is dangerous for health.