1
General Mach Discussion / lathe threading problem
« on: October 18, 2016, 03:07:57 PM »
Hi
i have a problem with my denford orac cnc lathe that i hope the people on
this forum can help me solve this problem
the lathe was converted to mach 3 about 3 years ago and has been a very reliable machine
until easter sunday this year when it decided that it would no longer do external or internal
threads , but still works very on normal turning jobs
the machine is using mach 3 version 062
i have tried a new cnc4pc spindle index board but this has not solved my problem as well a
few other ideas found on internet , the latest being a proximinty switch which i bought from
cnc4you this gives a very stable spindle speed but still no threading .
the problem when threading it is not picking the pitchin the same every time so all it
ends up with is alot of grooves
i have changed to a new copy of mach 3 on about 6 times just in case the program is corrupted
but still no joy
i have been stuggling with this problem for 7 months and have now run out of idea's so please
can anybody help me
thank you
robert
i have a problem with my denford orac cnc lathe that i hope the people on
this forum can help me solve this problem
the lathe was converted to mach 3 about 3 years ago and has been a very reliable machine
until easter sunday this year when it decided that it would no longer do external or internal
threads , but still works very on normal turning jobs
the machine is using mach 3 version 062
i have tried a new cnc4pc spindle index board but this has not solved my problem as well a
few other ideas found on internet , the latest being a proximinty switch which i bought from
cnc4you this gives a very stable spindle speed but still no threading .
the problem when threading it is not picking the pitchin the same every time so all it
ends up with is alot of grooves
i have changed to a new copy of mach 3 on about 6 times just in case the program is corrupted
but still no joy
i have been stuggling with this problem for 7 months and have now run out of idea's so please
can anybody help me
thank you
robert