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I did not put the disc on the grinder correctly. Still, how true: a picture outward or inward?

An angle grinder for many is used for cutting metal. There are other grinder functions as well. The sander is suitable for abrasive work on tiles, wood, ceramics, stone. There are also concrete discs. They are similar to metal discs but have a different composition. If you cut metal with a disc on concrete, then it will quickly become unusable and there will be a lot of sparks.

Handle the tool with care. The disc spins up to 10,000 rpm. It so happens that if the disc is damaged, the fragments fly in all directions. Therefore, it is recommended to work in protective equipment and only with high-quality discs. Use discs as intended.

I did not put the disc on the grinder correctly. Still, how true: a picture outward or inward?
For example, a disc on concrete. It has marks (arrow) where the disc needs to rotate. Only such discs have a mark.

When the question comes about sparks disputes also arise. How to hold a grinder so that sparks do not fly at a person? Many people hold it on themselves, and when the disk rotates, sparks really fly away (from the person). But there is one catch.

If the grinder jams during work, it will be thrown at the master, which is not very safe. In another case, sparks fly towards the person. Many people don't like this, but it's safer this way. If the grinder is jammed, it will move away from the person. Safety is better than comfort at work. Just put on your glasses, gloves and don't be intimidated by the sparks.

It is also important to know how to properly install the disk on the angle grinder. To put the disc with the picture up or down?

I will express my opinion on this matter. Previously, I did not put the disc correctly until an experienced master suggested. Someone assures that the disc must be placed with an iron washer inside so that the picture cannot be seen. The reason for this setting is correct.

Those who work this way with a grinder say that in this case the disc fits snugly and without distortions. The knurled gear washer must be in contact with the disc iron washer. This makes sense. It is convenient to work with the side without a picture. Does not grind off and no paint remains during work.

But I think that this is not the right option. For example, such a situation will arise. If the disc gets stuck, it will be very difficult to unscrew it. The reason - the disc is made of abrasive material with low friction force.

If you install the disc with the picture facing out, then this problem will not arise. The metal spacer on the disc solves the problem. If the disc is jammed, it will be easy to unscrew the nut from the disc.

Someone thinks that the disc can be put on either side if there is no mark on it. No metal insert solves the problem. But I expressed my personal opinion. How I work and all my friends.

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