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when ts are coming from the turning machine they are very straigt on all diameters, but they have roundness issues because the channel of the barfeederguide is 39mm and the material is only 21mm.
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i have the same psw message on our Tsugami machines since some minutes. I will ask the Technician tomorrow if he did something. dont know maybe he locked the programs.

Machine is: Koyo C4520F (Centerless Grinder)
Blade is looking good. Grinding Wheel and Regulating Wheel are new on the machine.

We are grinding the whole parts but sometimes we have a flat...