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Siemens SINUMERIK 828D Programming Manual

Siemens SINUMERIK 828D
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Coordinate transformation (FRAMES)
5.3 Coarse and fine offsets (CFINE, CTRANS)
Job planning
Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
293
5.3 Coarse and fine offsets (CFINE, CTRANS)
Function
Fine offset
A fine offset of the basic frames and of all other settable frames can be programmed with
command
CFINE (X, ..,Y, ...).
A fine offset can only be made if MD18600 $MN_MM_FRAME_FINE_TRANS=1.
Rough offset
The coarse offset is defined with
CTRANS(...).
&RDUVHRIIVHW
)LQHRIIVHW
5RWDWLRQ
6FDOLQJ
0LUURULQJ
)UDPHVWUXFWXUHZLWKILQHRIIVHW
Coarse and fine offset add up to the total offset.
Syntax
$P_UBFR=CTRANS(x, 10) : CFINE(x, 0.1) :
CROT(x, 45)
;Chaining of offset,
;fine offset and rotation
$P_UIFR[1]=CFINE(x, 0.5 y, 1.0, z, 0.1)
;The complete frame will be overwritten
;with CFINE including the coarse offset
Access to the individual components of the fine offset is achieved through component
specification FI (Translation Fine).
DEF REAL FINEX
;Definition of the FINEX variable
FINEX=$P_UIFR[$P_UIFNUM, x, FI]
;Fetching the fine offset
;using the FINEX variable
FINEX=$P_UIFR[3, x, FI]$P
;Fetching the fine offset of the X axis in the
;3rd frame using the FINEX variable

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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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