Siemens SINUMERIK 840D Operation & Programming Manual

12
Examples 08.02
12.3 Exam
p
le 3: External machinin
g
with thread undercuts and
g
rooves
12
© Siemens AG, 2002. All rights reserved
12-196 SINUMERIK 840D/810D Operator's Guide ManualTurn (BAM) – 08.02 Edition
• Press soft key
4. Stock removal (roughing)
•
Stock
removal
and enter stock removal parameters for roughing:
T1 F: 0.2 mm/rev FR: 0.1 mm/rev S: 160 m/min
Longitudinal
External ß
Infeed depth D: 3 inc
Finishing allowance Ux: 0.2 Uz: 0.1
Blank description: Cylinder
Allowance X
D
: 0 Z
D
: 2
Machine relief cuts: No
Machine tool angle: Yes
Insert angle α
αα
α: 80°
Main cutting edge angle β
ββ
β: 93°
• Press soft key
Result:
5. Stock removal (finishing)
•
Stock
removal
and enter stock removal parameters for finishing:
T2 F: 0.1 mm/rev S: 220 m/min
Longitudinal
External ß
Machine relief cuts: No
Machine tool angle: Yes
Insert angle α
αα
α: 35°
Main cutting edge angle β
ββ
β: 93°
• Press soft key
6. Undercut: DIN thread
M40*1.75
(Roughing and finishing)
• Call
CYCLE mode and press the
Undercut
DIN thread
undercut
soft
keys
• Set parameters:
T2 F: 0.1 mm/rev S: 180 rev/min

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB