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My new toy for future PAM builds arrived today...


marlin22

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My rotary Engraving/CNC just arrived today, I want to use it to do engraving on some custom PAM watches I have been cosigned to build and vintage builds I want to put together in the future. Not to mention possible engraving on main plates for my Asian builds. Now all I have to do is put the thing together, do some modifications and figure it out...
 
CNC2_zpsa8642355.jpg
CNC3_zpsa0cf277b.jpg
 
Here is the vise with a case back on it, just testing to see how they fit, still need a great deal of R&D to get this rolling.
CNC1_zpsbe6493e2.jpg
 
Here it is with the main plate on it, need to get some plastic or rubber jigs to hold the main plates and cases in place.
CNC4_zps809fb88a.jpg
 
Once I get this thing all wired up and running I'll post some more pictures of the results...I'm sure I'll have many sleepless nights ahead, should be interesting..
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Marlin, Im sure you know what Delrin is .. it's a very tough but non-marking plastic that is used to make jigs for holding parts without damaging them. You want to buy some and use it for your fixtures.

Thanks for the info. I'll look into it asap....

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  • 2 weeks later...
UPDATE:
 
For those of you keeping up with the progress, here is a pen test I just preformed. I loaded a ball point pen into the collet and ran the CAD/CAM program script I put together. Please note, the ball point on the pen is still too large in diameter to print the characters correctly so it bundles them up.  The lines to be engraved on the characters need to be .2mm or 0.0078 of an inch thick in order to achieve the desired effect. but it seems the size is correct and from the little I can make out the characters and font seem good. I am waiting on some micro end mills, micro diamond tips and micro profilers and hopefully some time next week I can try this on a movement.
CNCPentest_zpsd2149038.jpg
 
On the left you can see another test I ran with the fonts being too large to look correct, however you can distinguish the numbers better.
CNCPentest2_zps1de7cdc2.jpg
 
To be continued........
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