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Siemens SINUMERIK 828D Function Manual

Siemens SINUMERIK 828D
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V1: Feedrates
17.2 Path feedrate F
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
1377
SD42010
Only paths, and not positions, are programmed with DITS and DITE.
The part program instructions are related to the setting data:
SD42010 $SC_THREAD_RAMP_DISP[0,1],
, which defines the following acceleration response of the axis on thread cutting:
SD42010 0 to –1
Identical with previous response.
Starting/braking of the feedrate axis at configured acceleration rate.
Jerk according to current BRISK/SOFT programming.
SD42010 = 0
Abrupt starting/braking of the feedrate axis on thread cutting.
SD42010 0
The thread run-up/deceleration distance is specified.
To avoid technology alarm 22280, the acceleration limits of the axis must be observed in case of very small
run-in and run-out paths.
Compatibility
Machine data:
MD20650 $MC_THREAD_START_IS_HARD
is dispensed with and is replaced by:
SD42010 $SC_THREAD_RAMP_DISP[0]
or
SD42010 $SC_THREAD_RAMP_DISP[1]
.
The response of the new setting data with:
SD42010 $SC_THREAD_RAMP_DISP[0] = 0
or
SD42010 $SC_THREAD_RAMP_DISP[1] = 0
is identical to the previous machine data setting:
MD20650 $MC_THREAD_START_IS_HARD = 1.
The response with:
SD42010 $SC_THREAD_RAMP_DISP[0] = -1
or
SD42010 $SC_THREAD_RAMP_DISP[1] = -1
is identical to the previous machine data setting:
MD20650 $MC_THREAD_START_IS_HARD = 0 (default).
Note
DITE acts at the end of the thread as a rounding clearance. This achieves a smooth
change in the axis movement.

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Siemens SINUMERIK 828D Specifications

General IconGeneral
Control TypeCNC
Operating SystemWindows Embedded
ProcessorIntel Atom
Display10.4" color TFT display
InterfacesEthernet, USB
ProgrammingShopMill, ShopTurn
Operation Panel Size10.4"
Protection ClassIP65
PLC Memory2 MB
Spindle Capacity4 spindles
Hard DriveCompactFlash

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