]Thanks for the replies
I was thinking of using V slot 2060 aluminium linear extrusion as the bed, linear shaft support for the sliding tail stock and linear sliding bearing shaft for the fixed head stock using 20mm bore so I can turn some 20mm polypropylene or delrin as bushing,unless anyone has any alternative suggestions.
This is a picture of a clock spring winder.

Click image for larger version. 

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Thanks in advance Dell