Lathe and chuck not running smoothly?

Luke123456frByLuke123456fr

Hello, I have an inexpensive beginner's lathe from Einhell that I've been using for a while now. I then bought a chuck. I had to use a thread adapter from m18 to m33. Unfortunately, the chuck doesn't run completely true. The chuck is quite heavy, so I think the weight is causing the motor to stop running. Is there a way to fix this, or should I get a sturdier lathe?

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syncopcgda
syncopcgda
3 years ago

I suspect that at least one part, perhaps the threaded adapter, has radial runout. It can't be the weight.

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peterobm
peterobm
3 years ago

The bench won't be designed for this. Find something more stable.

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Skinman
Skinman
3 years ago

If it's one of those pressed-metal things, don't invest another cent in it; they're completely hopeless. Get a better pencil sharpener. The M18 is also far too weak as a spindle nose.

The central problem with turning machines is controlling vibrations, especially since the blanks are usually very out of round to begin with. And this primarily requires weight.

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