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Member postings for Tony Martins

Here is a list of all the postings Tony Martins has made in our forums. Click on a thread name to jump to the thread.

Thread: Using a Dividing head
08/03/2023 11:32:04

Good morning all

I have a need to machine a length of 1.5" dia x 1" TPI straight cut thread, my 1800 Student lathe is not man enough therefore I dreamed I may be able to use my indexing head on the mill and mill a spiral thread but as my indexing head is not a universal head I would like to know if it can easily be converted in some way to manually power the mill table by using a timing belt type drive or should I go back to sleep again. Any ideas will be much appreciated.

Regards

Tony

ABM

Thread: Lathe copy attachment
12/11/2016 14:54:56

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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