Siemens SINUMERIK 840D sl Function Manual page 864

Extended functions

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W4: Grinding-specific tool offset and tool monitoring

18.2 Online tool offset

Figure 18-10 Tool offset

Program (section) for channel 1: Machining channel

Program code

G1 G18 F10 G90

S100 M3 X100

INIT (2, "/_N_MPF_DIR/_N_ABRICHT_MPF",

Program for channel 2: Dressing channel

The V axis traverses parallel to the Y axis, i.e. length 3 of the tool offset acts in the direction

of the Y axis, and must therefore be compensated..

Program code

PROC ABRICHT

FCTDEF(1, -1000, 1000, -$AA_IW[V], 1)

PUTFTOCF(1, $AA_IW[V], 3, 1)

; initial setting

; select actual tool

; switch-on spindle, X axis to initial po-

; select: program "DRESS" in channel 2:

; start: Channel 2

; X axis at target position

; activate online offset

; function definition

; continuously write online tool offset:

- Function number: 1

- Reference value: Setpoint position

in the WCS of the V axis

- Tool parameters: Length 3 of the

grinding disk

- Channel: 1

- Spindle: active grinding disk

Function Manual, 10/2015, 6FC5397-1BP40-5BA3

Extended Functions

Sinumerik 828d