Spindle Speed S - HEIDENHAIN TNC 620 User Manual

Tools | Entering tool-related data

Spindle speed S

The spindle speed S is entered in revolutions per minute (rpm) in a
TOOL CALL block (tool call). Instead, you can also define the cutting
speed Vc in meters per minute (m/min).
Programmed change
In the NC program, you can change the spindle speed in a TOOL
CALL block by entering only the new spindle speed.
Proceed as follows:
Press the TOOL CALL key
Ignore the dialog question for Tool number ? with
the NO ENT key
Ignore the dialog question for Working spindle
axis X/Y/Z ? with the NO ENT key
Enter the new spindle speed at the Spindle speed
S= ? prompt, or switch to entry of the cutting
speed by pressing the VC soft key
Confirm your input with the END key
In the following cases the control changes only the
speed:
TOOL CALL block without tool name, tool number, and
tool axis
TOOL CALL block without tool name, tool number,
with the same tool axis as in the previous TOOL CALL
block
In the following cases the control runs the tool-change
macro and inserts a replacement tool if necessary:
TOOL CALL block with tool number
TOOL CALL block with tool name
TOOL CALL block without tool name or tool number,
with a changed tool axis direction
Changing during program run
You can adjust the spindle speed during program run with the
spindle speed potentiometer S.
HEIDENHAIN | TNC 620 | Klartext Programming User's Manual | 01/2022
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