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6.2
Initial Actuator Settings
The Actuator and Interface Box are controlled by the Power Supply, however there are
several functions that are part of the Actuator and Interface Box. These include:
• Factory Air Source
• Regulated Air Pressure and Air Pressure Gauge (located on the Interface Box)
• Downspeed Control (located on the Interface Box)
• Mechanical Stop
• Actuator Position and Height above fixture (Horn travel)
• Emergency Stop (provided as a User I/O signal for automation)
Each of these will affect the operation of the Actuator.
6.2.1
Regulated Air Pressure and Air Pressure Gauge
When factory air is present, it is delivered to the regulator located in the Interface Box.
The regulator has a locking nut that can be used to prevent undesired changes in your air
pressure settings.
Initially, set the Regulator knob to a counter-clockwise position, which is a low pressure
setting. In the event something is incorrectly connected, a low air pressure setting will
reduce any sudden movement. A typical initial setting is approximately 20-25 psi for a
new or unproven setup.
CAUTION
6.2.2
Factory Air Source
Factory air must be turned on, supplying the Actuator's air pressure regulator with air
pressure. If factory air is too low (below 35 psi maintained) the Actuator will not weld or
operate reliably. Factory air is also used to provide cooling air to the converter.
Factory air input may affect weld results for applications requiring more weld pressure
buildup.
NOTICE
100-412-182 REV. 06
General Warning
Permanent damage to the system and possible injury can result if the
Actuator is supplied with factory air above the maximum gauge
reading of 100 psig (690 kPa). Set the pressure regulator to zero
before connecting or disconnecting the factory air supply.
Factory Air pressure must be greater than the maximum system
requirements. The compressed air system must have sufficient
capacity to serve all of the systems connected to it. The use of an
accumulator may be required to provide continuous air flow.
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