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Solenoid-operated clamping bar makes for simple automatic torch traverse. (This feature eliminates the need for "Jog Forward" and "Jog Reverse" buttons, forward and reverses weld carriage motor relays, and weld start limit switch). Additionally, torch acceleration is instant and without slip.
Pneumatic powered three-bladed shear for distortion free shearing with two (2) die spring loaded stripper pads to hold the strip during shearing for a straight cut.
Automatic V.C.R. relay senses that the welding arc is correctly established before the welding carriage is allowed to travel.
Fused disconnect is standard on all PSA control panels. Step-down transformer is also standard. Only one (1) electrical line is required.
Quick change backup bars are provided. Only one screw at the front of the machine is required to remove each bar. Both L-R or R-L strip flows are handled easily with the automatic built-in gage bar.
Other designs with manual gauge bars require the exit strip to be sheared and laid on the floor, then the entry strip is sheared and clamped, then the exit strip is clamped. With this type of manual gage bar design, the process is both time consuming and awkward.
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