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Chuck Backplate Problem

Where i can find a part machined backplate for my lathe

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Apostolos Bourousis	14/05/2010 16:38:39
3 forum posts	Hello dear Friends and warm Greetings from Greece (Yes we are still alive after EMF Visit !!!) Recently a friend of mine give me free a 2nd hand Chinesse lathe that i try to restore and use it as is very nice machine and i be very happy to have it in working condition . My problem is that lathe come without chuck or backplate and as i dont have a large machine to fit an un machined casting backplate and work it i must found a new or used backplate with already made the thread to put it on my lathe and then to make the facing and grooving operations on the lathe to fit . I look on the web to find the right backplate but i cant find what i need as all the backplates are on Imperial dimensions . My spindle is 56.5 mm or when i turn my caliper on inch shows 2.225 in. The therad is 8 TPI . can some friend help me what type of backplate i need please ? I suppose the Chinesse designer copy some other lathe but which lathe have this spindle ? My very best regards and many thanks in advance together with a very big sorry for my English as i am totally self learned . Apostolos Athens Greece
Speedy Builder5	14/05/2010 17:45:19
2878 forum posts 248 photos	I suspect you have a 2.25 x 8tpi spindle. ie 2.225 inch would be the diameter over the crest of the thread?? The Logan 11 inch had a 2.25 x 8tpi try [email protected] Also the Southbend 10L (Bit of a rare USA beast) But be carefull, the spindle nose boss diameter is important as this locates the backplate. I you cant find a backplate, try one of the engineering services in the back of Model Engineer magazine.

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