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Colchester Student rear tool post adapter

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Simon Page 126/04/2022 12:00:08
9 forum posts
2 photos

Hi, All, I have a rear tool post for my student but do not have the T slotted adapter plate that allows it to be bolted to the carriage. Can anybody help with either the plate or a work around.

Many thanks.

DC31k26/04/2022 12:37:27
686 forum posts
2 photos

Make one.

A isometric general layout drawing will be in the manual for the machine. If you join the Colchester lathes io group, there is a dimensioned drawing of a Chipmaster one in the files section.

You know the width of the cross-slide, the spacing and thread of the holes to secure the plate to the cross slide (so you know the counterbore needed in the plate). You know the diameter of the T-bolts from the holes in the toolpost. Use those dimensions and scale any missing dimensions from the manual diagram. Put the toolpost on the cross-slide with a tool in it and work out how thick the plate needs to be to bring it to centre height.

You could fabricate it from cold-rolled plate, bolted together using countersunk screws if you did not want to machine or weld one.

John Haine26/04/2022 12:52:10
4675 forum posts
273 photos

Is there a particular reason to want ti use one? I'd have thought the a Student would be pretty good for parting with a tool in the front holder, especially using an insert-tip tool.

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