SIEMENS 828D RIGID TAPPING WITH IMPERIAL TAPS

[gerfmate]

Hi All
i currently have an issue with rigid tapping with an 8-32 unc tap , i am used to metric tapping but if i try and put a metric value to an imperial tap in the code the machine throws an alarm 61001 , which is telling me that it cant correlate the tap size with the pitch which in metric is 4.166mm x 0.794mm . Can anybody help please with the sample code

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[ktmktmman]

Does your pitch/ lead match the tap in the tool library? Are you using shop mill or din-iso code? Attach your code if you could

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[gerfmate]

; %_N_0013_MPF
; T4 D=4.166 CR=0 - ZMIN=-12.7 - right hand tap
G90 G94
G71
G64
G17
G0 SUPA Z0 D0
M9
T="8-32TAP"M6
; 8-32 UNC ROLL TAP
S1000 M3
G54
X-430.679 Y-93.46
D1
Z10
M8
G17
F794
MCALL CYCLE84(10, 0, 2, -12.7, , , 3, 4.165, 0.794, 0, 1000, 1000)
X-430.679 Y-93.46
X-380.679
X-404.321 Y93.46
X-354.321
X354.321
X404.321
X380.679 Y-93.46
X430.679
MCALL
G1 Z10
G0 SUPA Z0 D0
M30

[gerfmate]

When i tap with metric taps i dont have any problems so not sure which part it doesnt like, attached is the code that works with metric taps
; %_N_0012_MPF
; T8 D=4 CR=0 - ZMIN=-10.795 - right hand tap
G90 G94
G71
G64
G17
G0 SUPA Z0 D0
M9
T="4TAP"M6
; M4 X 0.7 TAP
S1194 M3
G54
X-443.598 Y-211.435
D1
Z50
M8
G17
F836
MCALL CYCLE84(50, -3.175, 2, -10.795, , , 3, 4, 0.7, 0, 1194, 1194)
X-443.598 Y-211.435
Y-151.435
Y-91.435
X-341.402 Y91.435
Y151.435
Y211.435
X341.402
Y151.435
Y91.435
X443.598 Y-91.435
Y-151.435
Y-211.435
MCALL
G1 Z50
G0 SUPA Z0 D0
M30

[ktmktmman]

I'll have to look at it tomorrow when I get to work. Also have you tried re-compiling the mcall cycle84 line? Basically you put your cursor on the same line and either arrow to the right or hit the re-compile button? Sometimes sinumerick will see issues with a parameter and highlight it in red. I'm assuming your using a cam system?

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[gerfmate]

Thanks, yes i am using a cam system , HSMWorks , i might give it a try and preview the code in there

[gerfmate]

hey thanks for the heads up , that worked a treat, i pulled the program into the machine and did as you mentioned . Yaaay after half a day of muckin around hehe , dont know why i didnt think of that

[ktmktmman]

No problem! I used that trick to help fine tune my post processor. If your having problems with a CYCLE call compare the parameters before you send it to the machine and after the control fixes any issues and have your CAM guy fix it.

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