ArcGlide THC Instruction Manual 2-59
INSTALLATION
Speed Gain
Description: This gain value regulates the speed of the lifter.
When to use: Optimize the Speed Gain value before attempting to change either the Position or Voltage gains.
How to use: Regulated speed moves are used for manual moves and for approaching the workpiece for automatic
IHS operation.
For the standard Hypertherm lifter, the value of 5 is appropriate. If this value is set too high, the lifter
speed regulation will become unstable and prone to oscillation. If this value is set too low, the speed
regulation can become slow and inaccurate. This value can be tested by repeatedly raising and
lowering the lifter in Manual Mode.
To optimize this gain, raise this value until a very slight oscillation is detected during manual operation
and then reduce the setting by one.
Range: 1 to 10, the default setting = 5
Position Gain
Description: This gain is used for closed loop positioning.
When to use: Adjust the Position Gain after the proper Speed Gain has been determined.
Position-based moves are used for moving to the IHS height and to the retract height at the end of
the cut.
How to use: For the standard Hypertherm lifter the value of 5 is appropriate. If this value is set too high, the lifter
positioning will become unstable and prone to oscillation. If this value is set too low, the positioning
can become slow and inaccurate.
This gain can be tested by repeatedly executing IHS TEST and checking that the lifter quickly and
accurately reaches the IHS and Retract Heights.
To optimize this gain, raise the value until a very slight oscillation is detected when settling into the
IHS or Retract positions and then reduce the setting by one.
Range: 1 to 10, the default setting = 5
Voltage Gain
Description: This gain is used when the THC is operating closed-loop arc voltage control.
When to use: Adjust the Voltage Gain after the proper Speed Gain has been determined
How to use: If this value is set too high, the lifter positioning during closed-loop arc voltage control will become
unstable and prone to oscillation. If this value is set too low, the arc voltage control can become slow
and inaccurate. For the Hypertherm 24.13-cm (9.5-inch) lifter, the value of 5 is appropriate.
The Voltage Gain can be tested by repeatedly performing a test cut under closed-loop arc voltage
control and checking that the THC quickly and accurately reaches the set arc voltage.
To optimize this gain, raise this value until a very slight oscillation is detected during a cut and then
reduce the setting by 1 or 2.
Range: 1 to 10, the default setting = 5
ArcGlide setup parameters
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