It happens to be a contact lens lathe that I have to build
------ Original Message ------
From: "Bertho Stultiens" <[email protected]>
To: "EMC developers" <[email protected]>
Sent: 2017-07-04 18:04:14
Subject: Re: [Emc-developers] Finest resolution of Lcnc
On 07/04/2017 06:01 PM, Niemand Sonst wrote:
Gmoccapy is not the issue, as you can add more digits to the DRO on
the
settings page. But if you speak about 0.1 µm it is useless to build a
lathe on that accuracy, as you will never be able to turn a part at
that
accuracy. Just a few degrees temperature difference will destroy the
repeatability.
Just calculate 1 Degree is 1 µm length difference on every 100 mm.
And yet we have a lathe that can do contact-lens cutting at optical
accuracy (<= 10 nm, without a need for subsequent surface polishing).
It can be done, but it is a lot of control work and quite expensive.
--
Greetings Bertho
(disclaimers are disclaimed)
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