HEIDENHAIN TNC 640 (34059x-01) Cycle programming User Manual
Page 328
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Cycles: Turning
13.15 TURN CONT
OUR, TRANS
V
ER
SE (Cy
c
le 820)
U
Finishing feed rate
Q505: Feed rate during
finishing. If M136 has been programmed, the value is
interpreted by the TNC in millimeters per revolution,
without M136 in millimeters per minute.
U
Plunging
Q487: Permit machining of plunging
elements
0: Do not machine plunging elements
1: Machine plunging elements
U
Feed rate for plunging
Q488: Feed rate for
machining of plunging elements
U
Cutting limit
Q479: Activate the cutting limit
0: No cutting limit active
1: Cutting limit (Q480/Q482)
U
Limit value for diameter
Q480: X value for contour
limitation (diameter value)
U
Limit value Z
Q482: Z value for contour limitation
Example: NC blocks
9 CYCL DEF 14.0 CONTOUR GEOMETRY
10 CYCL DEF 14.1 CONTOUR LABEL2
11 CYCL DEF 820 TURN CONTOUR TRANSV.
Q215=+0
;MACHINING OPERATION
Q460=+2
;SET-UP CLEARANCE
Q499=+0
;REVERSE CONTOUR
Q463=+3
;MAX. CUTTING DEPTH
Q478=+0.3 ;ROUGHING FEED RATE
Q483=+0.4 ;OVERSIZE IN DIAMETER
Q484=+0.2 ;OVERSIZE IN Z
Q505=+0.2 ;FEED RATE FOR FINISHING
Q487=+1
;PLUNGE
Q488=+0
;PLUNGING FEED RATE
Q479=+0
;CUTTING LIMIT
Q480=+0
;LIMIT VALUE FOR DIAMETER
Q482=+0
;LIMIT VALUE IN Z
12 L X+75 Y+0 Z+2 FMAX M303
13 CYCL CALL
14 M30
15 LBL 2
16 L X+75 Z-20
17 L X+50
18 RND R2
19 L X+20 Z-25
20 RND R2
21 L Z+0
22 LBL 0