AL960b metric threads not quite right

mercredi 18 février 2015

Hello everyone,

i just wanted to ask others who own a AL960b if they have any trouble with their metric threads not being quite right?



i have tried to cut a 2.0mm pitch thread with the 30 tooth change gear installed. It is close but not right. My thread pitch gauge doesn't line up with what it cuts



I am cutting threads in a bit of a 'unconventional' way as I am threading up to a shoulder and the lathe doesn't have a foot break. I have an internal threading bar coming onto the back of the work and running it in reverse so I can leave my half nuts engaged.



If anyone can see what I am doing wrong, please tell me.

cheers



Anthony




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