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Author Topic: G76 issue  (Read 2502 times)

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G76 issue
« on: August 09, 2009, 01:14:25 PM »
I am using MACH3 turn and and I am having a problem with the G76 code.  I used the Wizard to thread a .25" end of a 2.16" tube.  I don't add Chamfer or taper but I get all sorts of odd paths while threading.  First an chamfered cut front to back, next a straight cut then a deeper angled cut ... until it gets to depth.  Then it does an reversed chamfer on the back end of the thread.  Is this normal?  Here is the Gcode:

G00 z2.1
G00 X1.1
M04 S400
M01
M08
G76 x1.0 z1.75 q1 P0.08333 H0.02 I29 C0.1
M9
M5
M30

Any help would be appreciated.

BOb

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Re: G76 issue
« Reply #1 on: August 09, 2009, 06:47:34 PM »
Does it do that if you just cut air?
Also if you want to attach your profiles xml file I will see if I can find a problem there.
Hood
Re: G76 issue
« Reply #2 on: August 14, 2009, 07:14:19 PM »
Hood,

Here is the XML file.  Thanks for your help.  Sorry if you got multiple copies,  Yahoo keeps saying the reply is already sent.

Bob