1 Spot Welding Application Using a Motor Gun
1.11 Tip Dressing Instruction (SVDRESMOV Instruction)
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1.11.6 Dry Tip Dressing Operation
{DRY TIP DRESS (WITHOUT PRESSING)} and {DRY TIP DRESS
(WITHOUT DRESSING)} signals enable dry tip dressing operation.
For the settings of this signal, refer to chapter 1.4.2.3 I/O Allocation.
Dry tip dressing operation (without pressing) signal
When executing SVDRESMOV instruction after turning ON this signal:
– the gun close motion is not executed.
– the gun pressurization is not executed.
– in case of the servo dresser, although the gun pressurization is not
executed, the dresser’s rotating speed changes to the 2nd rotation
speed after the manipulator and the gun move to the clearance
position and the time set to {1st time} elapsed.
Also, when this signal is turned ON, SVGUNCL instruction to which the tip
dress condition file is specified (SVGUNCL instruction to which DRS# tag
is used) is no longer executed.
Dry tip dressing operation (without dressing) signal
When executing SVDRESMOV instruction after turning ON this signal:
– Outputting of “rotation request” (for the IO dresser) or “dress
executing signal” (for the servo dresser) at the tip dress condition file
specified by SVDRESMOV is not turned ON.
– The servo dresser is not rotated even if it is a servo dresser.
– It does not wait for the time specified at {ROTATION WAIT TIME} on
the tip dress condition file specified by SVDRESMOV.
Also, DRESSON instruction is no longer executed when this signal is
turned ON.
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