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Author Topic: Internal Threading  (Read 7653 times)

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Internal Threading
« on: July 31, 2013, 06:17:56 AM »
i have a denford orac cnc lathe that has just been converted to Mach 3 , this is using a licenced version of mach 3 . i have only just started to use this machine after a few problems which with help from other people has now become a reliable machine.
my problem now is internal threading which no matter what i do to alter the code it is still working as though it is cutting an external thread , everthing is working ok with the threading movements
i am including my code below for people to look at to see if they can pick out what i am doing wrong
thank you in advance for all your help
robert
Re: Internal Threading
« Reply #1 on: July 31, 2013, 09:11:01 AM »
Hi ministeam,

Quote
G76 X14.00 Z-6.30 Q1 P0.750 H-0.300 I29 R12.780 K10.00 L45 C0.250 B0.030 J0.025

try changing the H-0.300 to H0.300

just athought

Alex
Re: Internal Threading
« Reply #2 on: July 31, 2013, 10:14:20 AM »
hi Alex
thank you for your suggestion i will give it a try tommorrow morning & let you know
all the best
robert
Re: Internal Threading
« Reply #3 on: August 01, 2013, 07:13:54 AM »
hi cncalex
i have changed the code as you suggested & it is now working . Thank you for your help
all the best
robert
Re: Internal Threading
« Reply #4 on: August 01, 2013, 08:59:22 AM »
 :)

Alex