UNITROL SOFT TOUCH Welder Manual soft-touch-manual-welders

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PNEUMATIC HOOKUP RST100/RST200 HEAVY WEIGHT RAM WELDERS CONNECT HOSES TO PORTS SHOWN IN RED BELOW 28 | SOFT TOUCH FOR WELDERS
ADJUSTING THE SOFT TOUCH VALVE SYSTEM F0R RST100 SERIES CONTROLS - HEAVY WEIGHT RAMS 1. The ADVANCE PRESSURE puts air on the underside of the air cylinder piston to LIFT the welder ram. This is used to partially lower the force between the electrodes due to the dead (gravity) weight of the welder’s ram. Increasing this ADVANCE PRESSURE value will decrease the force between the electrodes when closed under low force. 2. BE SURE THAT ALL FLOW CONTROL VALVES HAVE BEEN REMOVED FROM THE WELDER CYLINDER BEFORE DOING ANY ADJUSTMENT OF THIS SYSTEM. 3. Set the BALANCE pressure regulator inside the enclosure so that the BALANCE PRESSURE gauge on the door is at approximately 1psi. 4. Set the OPEN pressure regulator inside the enclosure so that the OPEN PRESSURE gauge on the door is at approximately 12 psi. 5. Turn the TIP DRESS switch ON. The electrodes should close. Check the force between the electrodes and INCREASE the BALANCE pressure slightly if the force is great enough to crush a wood pencil more than 1/16” in depth. If the electrodes do not close, DECREASE the BALANCE pressure to as low as 0 psi. Even though the pressure gauge shows 0psi, this pressure is actually 1/2psi. 6. Adjust the OPEN pressure regulator so that when the TIP DRESS switch is OFF, the electrodes open smoothly. Use the LOWEST setting on the OPEN pressure regulator that will smoothly open the electrodes. This will produce the fastest electrode closing time. F0R RST101 SERIES CONTROLS - LIGHT WEIGHT RAMS AND ROCKER ARM WELDERS 1. Set the CLOSE pressure regulator inside the enclosure so that the CLOSE PRESSURE gauge on the door is at approximately 3psi. 2. Set the OPEN pressure regulator inside the enclosure so that the OPEN PRESSURE gauge on the door is at approximately 12 psi. 3. Turn the TIP DRESS switch ON. The electrodes should close. If they don’t, INCREASE the CLOSE pressure regulator. Check the force between the electrodes and DECREASE this pressure slightly if the force is great enough to crush a wood pencil more than 1/16” in depth. 4. Adjust the OPEN pressure regulator so that when the TIP DRESS switch is OFF, the electrodes open smoothly. Use the LOWEST setting on this OPEN pressure regulator that will smoothly open the electrodes. This will produce the fastest electrode closing time. SOFT TOUCH FOR WELDERS | 29
Page 1 and 2: SOFT TOUCH FOR WELDERS RST100-115A,
Page 3 and 4: √ MODEL RST100-115A RST102-115A R
Page 5 and 6: TABLE OF CONTENTS: VERIFY YOUR SOFT
Page 7 and 8: SOFT TOUCH PINCH POINT PROTECTION S
Page 9 and 10: HOSE CONNECTION FOR RST101/RST201 S
Page 11 and 12: WIRING CONTROL CONNECTING SNUBBER 2
Page 13 and 14: FOR OPTIONS TECNA AND RST-410 Conne
Page 15 and 16: INSTALLATION HOOK-UP DRAWING RST100
Page 21 and 22: OPTIONAL RETRACT WITH SOFT TOUCH RS
Page 23 and 24: OPTIONAL RETRACT WITH SOFT TOUCH RS
Page 25 and 26: OPTIONAL DEPTH SWITCH RST-403, RST-
Page 27: PNEUMATIC HOOKUP RST101/RST201 LIGH
Page 31 and 32: SETTING AND TESTING ELECTRODE CLOSI
Page 33 and 34: TROUBLE SHOOTING CHART NOTE: This S
Page 35 and 36: SOFT TOUCH SENSOR BOARD TS6 AND TS7

UNITROL SOFT TOUCH Welder Manual soft-touch-manual-welders

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