Threading Multiple Start is possible?

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machete
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17 Apr 2015 21:28 #57864 by machete

Threading Multiple Start is possible? was created by machete

Hello!

Threading with Multiple Start is possible on LinuxCNC?

We are retrofiting a big Gildemeister Lathe , and one of the tasks is to do threading with multiple start (2 or 4).

Is it somehow possible?

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andypugh
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17 Apr 2015 22:09 #57865 by andypugh

Replied by andypugh on topic Threading Multiple Start is possible?

machete wrote:
Threading with Multiple Start is possible on LinuxCNC?

Yes.

The way to do it is by programming each "start" separately and offset the thread starting Z.
For a 3mm lead / 1.5mm pitch 2-start thread:

G0 Z0
G76 P3 ....
G0 Z1.5
G76 P3....

The following user(s) said Thank You: jtc

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machete
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18 Apr 2015 01:39 #57871 by machete

Replied by machete on topic Threading Multiple Start is possible?

Thats perfect!

Thank you so much!

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