Thread cutting using 4th mill axis
05 Jul 2017 08:14 - 05 Jul 2017 08:32 #95377
by SteveT
Thread cutting using 4th mill axis was created by SteveT
Hi, I am trying to workout how to cut an external thread on my stepper driven milling machine using the 4th axis for rotation "A" and the "X" axis for the pitch of the thread with the cutter in the milling machine spindle.
All I can find in the help files is for lathes.
Steve
All I can find in the help files is for lathes.
Steve
Last edit: 05 Jul 2017 08:32 by SteveT.
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- verticalperformance
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05 Jul 2017 10:35 - 05 Jul 2017 10:37 #95382
by verticalperformance
Replied by verticalperformance on topic Thread cutting using 4th mill axis
g20
g0 x0 z0.25 a0
g1 z0.23 f10
g1 x1.0 a720 f100
Will cut a 1" long "thread" with a pitch of 0.5" on a 0.5 diam bar with a thread depth of 0.02" using a "V" point cutter
ie the a axis will rotate twice as the X moves 1 inch
Note the not very real example![:) :)](/media/kunena/emoticons/smile.png)
Doing it with a rotary axis on a mill doesn't use spindle synchronised motion like a lathe.
This sort of what you are looking for?
g0 x0 z0.25 a0
g1 z0.23 f10
g1 x1.0 a720 f100
Will cut a 1" long "thread" with a pitch of 0.5" on a 0.5 diam bar with a thread depth of 0.02" using a "V" point cutter
ie the a axis will rotate twice as the X moves 1 inch
Note the not very real example
![:) :)](/media/kunena/emoticons/smile.png)
Doing it with a rotary axis on a mill doesn't use spindle synchronised motion like a lathe.
This sort of what you are looking for?
Last edit: 05 Jul 2017 10:37 by verticalperformance.
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05 Jul 2017 11:35 #95383
by rotwang
Replied by rotwang on topic Thread cutting using 4th mill axis
try googling for "thread milling" and you may find you don't even need the 4th axis.
Roger
Roger
The following user(s) said Thank You: SteveT
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05 Jul 2017 20:50 #95414
by SteveT
Replied by SteveT on topic Thread cutting using 4th mill axis
Thanks for your help that should work.
Steve
Steve
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