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Author Topic: 12.7mm shaft Vertical machine  (Read 258 times)

jhonnygem

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12.7mm shaft Vertical machine
« on: May 06, 2021, 09:02:54 PM »
Looking for a vertical machine  with a 12.7mm shaft that will take a faceting lap, or ( star lap) to be precise. Or a adaptor  that will convert a gemmaster polisher (GSP8 Sander Polisher) to a 12.7mm shaft. Any suggestions 

MakkyBrown

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Re: 12.7mm shaft Vertical machine
« Reply #1 on: May 07, 2021, 08:45:49 AM »
I just googled the GSP8, it uses magnetic backers on the laps ? Maybe put a magnetic backer onto the star lap.What does the GSP8 master lap look like, has it a threaded hole?
CheersMB
« Last Edit: May 07, 2021, 08:50:31 AM by MakkyBrown »

jhonnygem

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Re: 12.7mm shaft Vertical machine
« Reply #2 on: May 07, 2021, 09:16:32 AM »
I haven't tried it yet but I  do have a screw on master lap and magnetic pad, but I have a copper star lap, and some steel groved diamond laps coming from China. I think they will  be to heavy for a magnetic lap. Plus trying to make the groves run true could be a problem.  But thanks for the response.

MakkyBrown

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Re: 12.7mm shaft Vertical machine
« Reply #3 on: May 07, 2021, 09:34:58 AM »
You might have to make up an adapter. Or maybe a screw on 150mm end plate and glue the star lap to it.MB


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