May I have a full copy of your cheat sheets please,
kobra_wizzard@yahoo.co.uk...thanks[,QUOTE=dcrace;326166]G0X__Z__(approach Point
G76P_Q_R_
G76X_Z_R_P_Q_F_
First G76 Line Info
G76 P
010060 Q00500 R.001 (finish Passes)
G76 P01
0060 Q00500 R.001 (chamfer Amount At End Of Thread)
G76 P0100
60 Q00500 R.001 (tool Tip Angle)
G76 P010060 Q
0050 R.001 (minimum Depth Of Cut - Radial Value)
G76 P010060 Q0050 R
.001 (finishing Pass Depth)
Second G76 Line Info
G76
X Z R P Q F (minor Dia Of Male)(major Dia Of Female)
G76 X
Z R P Q F (end Point Z)
G76 X Z
R P Q F (radial Diff. Of Tapered Thread)
G76 X Z R
P Q F (height Of Thread - Radial Value)
G76 X Z R P
Q F (first Depth Of Cut - Radial Value)
G76 X Z R P Q
F (feedrate / Pitch)
***R Value Can Be Omitted If Cutting A Straight Thread***
EXAMPLE CODE FOR 1/2-13 THREAD, WOULD BE AS FOLLOWS:
(TURN ON SPINDLE, CALL UP TOOL, TURN ON COOLANT HERE)
G0X.6Z.2
G76P020060Q0050R.0005
G76G76X.404Z1.0P0100Q0472F.0769
This is part of a "cheat sheet" of lathe canned cycles I made up to help train new setup people. If anyone is interested, I can e-mail it to you in excel format.