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Siemens SINUMERIK User Manual

Siemens SINUMERIK
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Programming and Operating Manual (Turning)
100 01/2017
11.7.2
Acceleration pattern: BRISK, SOFT
BRISK
The axes of the machine change their velocities using the maximum permissible acceleration value until reaching the final
velocity. BRISK allows time-optimized working. The set velocity is reached in a short time. However, jumps are present in
the acceleration pattern.
SOFT
The axes of the machine accelerate with nonlinear, constant curves until reaching the final velocity. With this jerk-free
acceleration, SOFT allows for reduced machine load. The same behavior can also be applied to braking procedures.
See the following illustration for principle course of the path velocity when using BRISK or SOFT:
Programming
BRISK
; Jerking path acceleration
SOFT
; Jerk-limited path acceleration
Programming example
N10 M3 S200
N20 SOFT G1 X30 Z84 F6.5
; Jerk-limited path acceleration
N30 X46 Z92
N40 BRISK X87 Z104
; continuing with jerking path acceleration
N50 X95 Z110
N60 M30
11.7.3
Dwell Time: G4
Functionality
Between two NC blocks you can interrupt the machining process for a defined period by inserting your
own block
with G4;
e.g. for relief cutting.
Words with F... or S... are only used for times in this block. Any previously programmed feedrate F or a spindle speed S
remain valid.
Programming
G4 F...
; Dwell time in seconds
G4 S...
; Dwell time in spindle revolutions
Programming example
N5 G1 F3.8 Z-50 S300 M3
;Feed F; spindle speed S
N10 G4 F2.5
; Dwell time 2.5 seconds
N20 Z70
N30 G4 S30
;dwelling 30 revolutions of the spindle, corresponds at
; S=300 rpm and 100 % speed override to: t=0.1 min
N40 X20
;Feed and spindle speed remain effective
N50 M30

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Siemens SINUMERIK Specifications

General IconGeneral
InterfaceEthernet, PROFIBUS, PROFINET, USB
Programming LanguagesDIN/ISO
DisplayTFT color display
CompatibilitySiemens drives and motors
SoftwareSINUMERIK Operate
Control Unit TypeCNC (Computer Numerical Control)
Safety FunctionsIntegrated safety functions up to SIL 3/PLe

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