Cycle Parameters - HEIDENHAIN TNC 640 User Manual

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Cycle parameters

Q215 Machining operation (0/1/2/3)?: Define
machining operation:
0: Roughing and finishing
1: Only roughing
2: Only finishing to finished dimension
3: Only finishing to oversize
Q460 Set-up clearance? (incremental): Distance
for retraction and pre-positioning.
Q491 Diameter at contour start?: X coordinate of
the contour starting point (diameter value)
Q492 Contour start in Z?: Z coordinate of the
contour starting point
Q493 Diameter at end of contour?: X coordinate
of the contour end point (diameter value)
Q493 Contour end in Z?: Z coordinate of the
contour end point
Q495 Angle of the face?: Angle between the
plane surface and the rotary axis
Q501 Starting element type (0/1/2)?: Define
the type of element at the start of the contour
(circumferential surface):
0: No additional element
1: Element is a chamfer
2: Element is a radius
402
Cycles: Turning | TURN SHOULDER FACE EXTENDED
Ø Q491
HEIDENHAIN | User's manual for cycle programming | 10/2017
(Cycle 822, DIN/ISO: G822)
Q460
Q494
Q463
Ø Q493
Q484
Q492
Ø Q483