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Lapping is surprisingly hard work (Patreon)

Published:
2018-04-21 22:36:53
Imported:
2026-06
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Content

And what is shown is not even perfect. I suspect that grains from the coarser lapping film got embedded in the epoxy at first and caused the scratch later. Will try again tomorrow and am hoping to finally start lasing then.

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20180415 142638

Comments

Leonid Nemiro

I use a block with a close fitting hole to keep the fiber square when lapping. I get much better and more consistent results than trying to align by hand.

Leonid Nemiro

Also, I notice that the lens paper I use is compliant (or perhaps it is the slurry that is made). Lapping too much rounds out corners and erodes the softer material more. Just something to keep in mind. Best of luck and I'm interested in the results!

Faraz Sadrzadeh

you can get a lapping puck and make your job way easier. Its cheap too.

marcoreps
>>11740171

Yes good idea! I thought those would be useful only for use in a machine, but after having to hold that small part upright for an hour, I've changed my mind :)

marcoreps
>>11740012

I thought about 3D printing one, but then I'd probably clog the lapping film with plastic debris ... maybe a sort of 4 feet thingy that slides on the underlying surface away from the lapping film?