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Siemens SINUMERIK 840D Instruction sheet

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840D/828D
Sinumerik Operate
Operating
Turning
Training documentation
Version 2010.1
Diese Unterlage wurde zu Trainingszwecken erstellt.
Siemens übernimmt bezüglich des Inhalts keine Gewähr.
This documentation was produced for training purposes.
SIEMENS does not accept resposibility for the contents.
840D/828D SINUMERIK Operate Page 1 B500
B500
840D/828D SINUMERIK Operate
Cycles
1 Brief Deskription
Aim of the module:
With the help of this module you will get to know the various cycle parameters under ShopMill and
ShopTurn.
Description of the module:
This module explains the various parameters that are called up in tabular form in the cycle masks. In
the course of this the relationship and the differences of the parameters to the individual cycles and
techniques are pointed out.
B500
B500
B500 Page 2 840D/828D SINUMERIK Operate
Cycles B500
Turning
Abbreviations used Section 3
Milling
Abbreviations used
Section 5
Basic aspects Section 2
Boring
Abbreviations used
Section 4
840D/828D SINUMERIK Operate Page 3 B500
B500
Notes
Section 2
Basic aspects
2. 1 Cycles
Cycles are sub-programs (technology-orientated functions) for the execu-
tion of a repeatedly occurring operation on a work piece.
Cycles can be selected comfortably via Softkeys and can simply be Para-
metered by means of input masks.
Programmed cycles are inserted in G-Code or step-chain-programs as a
program step and can be re-selected and newly set by parameter at any
time.
The following functionality is available both in ShopMill and ShopTurn
Technology-orientated cycle selection by means of Softkeys
Input masks for die cycle parameters (cycle masks) with help pictures
and animations
Context-sensitive online-help for every Input window
Support for the contour input (geometry processor)
B500
B500 Page 4 840D/828D SINUMERIK Operate
Notes
TurningSection 3
Unit
α
(Thread re-
lief)
Plunge angle
Degrees
α0 Starting angle offset
Degrees
α1 Angle of the tapers
Degrees
α1
(Metal re-
moval)
Angle of the first edge
Degrees
α1
(Back-cut)
Flange angle 1
Degrees
α2
(Metal re-
moval)
Angle of the second edge
Degrees
α2
(Back-cut)
Flange angle 2
Degrees
αP Infeed taper (angle)
Degrees
Allowance
(Metal re-
moval)
Finishing allowance ( only with finishing)
Yes
U1 contour allowance
No
mm
Selection
(Thread)
Statement of the tabular value, e.g. M10, M12,
M14,…
B1 Width of back-cut
mm
B2 Width of back-cut, top
mm
Machining Roughing
Finishing
Roughing + Finishing
Machining
direction
Turning
(Metal re-
moval part-
ing)
Machining directions
Planar
Longitudinal
Machining
direction
(Thread re-
lief)
Longitudinal
Parallel to contour
840D/828D SINUMERIK Operate Page 5 B500
B500
Notes
Turning Section 3
Unit
Machining
direction
Contour-
turning
(Metal re-
moval)
Planar
Longitudinal
Parallel to contour
From inside outward
From outside inward
From front to rear end
From rear end to front
BL Raw material description (contour, cylinder; al-
lowance)
D Cutting edge number
D Maximum infeed depth (inc) mm
D1
(Thread)
First infeed depth mm
DA Start-changing depth (inc)
DI At 0 continuous cut
DIR
(parting)
Spindle rotation direction
counter-clockwise (CCW)
clockwise (CW)
DP
(Longitudinal
thread)
Infeed taper as a flank (inc)
DP
(Back-cut)
Distance of back-cut (inc)
DP is not displayed when N = 1
mm
DX Maximum infeed depth (only parallel to contour
alternatively to D)
mm
DZ Maximum infeed depth (only for parallel to con-
tour and UX)
mm
Limiting Machining range limitation
Yes
XA: 1st limit XA Ø
XB: 2nd limit XB Ø (abs)
or 2nd limit referred to XA (inc)
ZA: 1st limit ZA
ZB: 2nd limit ZB (abs)
or 2nd limit referred to ZA
No
B500
B500 Page 6 840D/828D SINUMERIK Operate
Notes
TurningSection 3
Unit
F Feed
mm/min
mm/rev
Form
(Thread re-
lief)
Normal (Form A)
Short (Form B)
FR
(Parting)
Reduced feedrate
mm/rev
FR
(Metal re-
moval)
Plunging feedrate for relief cuts
FS
(Metal re-
moval)
Chamfer (n = 1...3) alternative to R
mm
FS Chamfer width
mm
FS1 Chamfer width 1
mm
FS2 Chamfer width 2
mm
FS3 Chamfer width 3
mm
FS4 Chamfer width 4
mm
FX Feed in X-direction
mm/rev
FZ Feed in Z-direction
mm/rev
G Change of thread pitch per rev.
Thread
(Longitudinal
thread )
Internal thread
External thread
H1
(Taper
thread)
Calculated from thread pitch
mm
H1
(Longitudinal
thread )
Depth of thread obtained from thread tables
mm
Relief cuts
(Metal re-
moval)
Machining the relief cuts
Yes
No
Location
turning
(Metal re-
moval)
Location of metal removal
right top
right bottom
left top
left bottom
840D/828D SINUMERIK Operate Page 7 B500
B500
Notes
Turning Section 3
Unit
Location
contour-
turning
(Metal re-
moval,
parting)
front
back
internal
external
LR Thread run-out (inc)
mm
LW Thread lead (inc)
mm
Multi-start No
α0 Starting angle offset
Yes
Nr. of thread starts are spread evenly
around the circumference of work piece
N
(Back-cut)
Number of back-cuts (N = 1...65535)
N
(Thread)
Nr of thread starts
NN
(Thread)
Number of dummy passes
P
(Thread re-
lief DIN)
Thread pitch (to be selected from DIN-table) or
entered manually
mm/rev
P
(Longitudinal
thread )
Selection of the thread pitch/-starts
Thread pitch in mm/rev
Thread pitch in inch/rev
Threads per inch
Thread pitch in modulus
mm/rev
in/rev
threads/"
modulus
R1 Rounding radius 1
mm
R2 Rounding radius 2
mm
R3 Rounding radius 3
mm
R4 Rounding radius 4
mm
R Radius (n = 1...3) alternative to FS
mm
SSpindle speed
revs/min
SR Reduced speed
revs/min
SV Maximum rotary speed for constant cutting
speed
revs/min
B500
B500 Page 8 840D/828D SINUMERIK Operate
Notes
TurningSection 3
Unit
Table Selection of the thread table
without
ISO metric
Whitworth BSW
Whitworth BSP
UNC
T Tool name
T1
(Back-cut)
Back-cut depth Ø (abs) or back-cut depth
referred to X0 (inc)
mm
U1 Contour allowance
mm
U Finishing allowance
mm
UX Finishing allowance in X
mm
UZ Finishing allowance in Z
mm
VConstant cutting speed
m/min
VR Retraction gap (inc)
mm
VX
(Relief cut)
Planar pass Ø (abs) or planar pass (inc)
mm
X0
(Back-cut)
Reference point Ø (abs)
mm
X1
(Relief cut)
Allowance in X Ø (abs) or allowance in X (inc)
mm
X1
(Metal re-
moval
Thread)
End point of the thread Ø (abs) or thread length
(inc)
mm
X1
(Taper
thread)
End point X Ø (abs) or end point referred to X0
(inc)
mm
X1α
(Taper
thread)
Thread taper
Degrees
X1
(Parting cut)
Depth for speed reduction Ø (abs) or depth for
speed reduction referred to X0 (inc)
mm
X2
(Parting cut)
Final depth Ø (abs) or final depth referred to X1
(inc)
mm