TMPG_US-EN

Programming Tapered Threads

5C Third quadrant G03 X0.1828 Y0.1824 Z0.0139 I0.0000 J0.1828

Move to 3 o’clock position, move Z-axis 1/4 of the pitch.

Y+ (J+)

X+ (I+)

X- (I-)

Y- (J-)

5D Fourth quadrant G03 X-0.1828 Y0.1832 Z0.0139 I-0.1832 J0.0000

Move to 12 o’clock position, move Z-axis 1/4 of the pitch.

Y+ (J+)

X+ (I+)

X- (I-)

Y- (J-)

Example values are from 3/8-18 NPT right hand thread.

NOTE: The radial adjustment needed for producing one thread can be found by multiplying the taper by one pitch. Divide by four to segment this adjustment into quadrants.

THREAD MILLING REFERENCE GUIDE | 19