Siemens SINUMERIK 840D sl Function Manual page 996

Grinding-specific tool offset and tool monitoring (W4)
18.6 Constant grinding wheel peripheral speed (GWPS).
Programming
N20
N25
N30
...
N40
N45
...
N50
N55
...
N60
N65
...
Supplementary references
/FB2/ Function Manual, Extended Functions; Oscillate (P5)
/FB1/ Function Manual, Basic Functions; Feedrates (V1)
/FBSY/ Function Manual, Synchronous Actions
996
T1 D1
S1=1000 M1=3
S2=1500 M2=3
GWPSON
S[$P_AGT[1]] = 60
GWPSON(5)
S[$TC_TPG1[5] ] = 40
GWPSOF
GWPSOF(5)
; Select T1 and D1
; 1000 rpm for spindle 1
; 1500 rpm for spindle 2
; ;Selection of GWPS for active tool T1
; Set GWPS to 60 m/s for active tool
; n=1909.85 rpm
; GWPS selection for tool 5 (2nd spindle)
; Set GWPS to 40 m/s for spindle 2
n=1909.85 rpm
;
; Deactivate GWPS for active tool
; Switch off GWPS for tool 5 (spindle 2)
Function Manual, 01/2008, 6FC5397-1BP10-3BA0
Extended Functions