I was recently using a Bosch angle grinder but it had been 'sputtering' intermittently; and then during one session, taking the burrs off an edge, it slowed down and just stopped. Now it won't turn on. Does anyone know why this happened? Can it be repaired? Could it have been repaired or serviced before it finally died? I need to know if only for future reference.
Why did the angle grinder die
electric motorpowertoolsrepair
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Quoting from the Norton Catalog:
.035, .040, .045, .060 Where fast cutting and low kerf loss are desired
.090, .125 For tough cutting and notching applications where stability is important
I would also expect that longevity plays into the equation for industrial applications (not something a DIY-er needs to care about)
They are made, they look like mini chainsaws and are commonly used for carving bowls.
A common brand for these blades is Lancelot
You can also get smaller saw blades in the 4.5" form factor. I suggest you go to a saw store or woodworking shop. Here is a product on Amazon:
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Best Answer
The Intermittent "sputtering" is sign of a loss of power going into the motor windings. there is pretty much only two ways this happens, A: there is a short somewhere (plug, cable or switch) or B: the contact brushes are dead.
If mild shaking of the grinder added to the sputtering, I would say its the brushes. This is an easy fix, since you just need to get access to the brushes and change them. However, for many cases (with cheaper makes) its about the same cost to replace the unit.