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Lathe copy attachment

Colchester 1800 Student with a Hepworth copy attachment

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Tony Martins

12/11/2016 14:54:56

2 forum posts

Hello

I use a Colchester Student 1800 lathe fitted with a Hepworth copy attachment and wish to machine a 4 cyl I/C eng valve cam by copying the profile from an existing single cyl eng, I may or may not have had a eureka moment when I came up with the idea that, would it be possible to motorize the pattern i.e.. the single cyl cam with a stepper motor and synchronize the revolutions of this to the revs of the lathe chuck by using a Hall effect bit of trickery i.e.. counting the head stock gear teeth or should I have gone back to sleep again??

Your good thoughts re this will be much appreciated

Regards

Tony

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