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THREE-PHASE SPOT AND PROJECTION WELDING MACHINES 6090..6638

LINEAR ACTION WELDING MACHINES

THREE-PHASE SPOT AND PROJECTION WELDING MACHINES, DIRECT CURRENT 100kVA..630kVA

Tecna Three-Phase spot and projection welding machines, direct current 6090..6638, nominal power at 50% d.c. from 100kVA to 630kVA.
The advantages offered by three-phase direct current welding machines include the high mains power factor, the reduced load on plant primary electrical service, balanced load distribution on the three phases, a reduced effect of magnetic materials between arms on the welding current and thereduced installation costs.
The Tecna 6090..6638 Welders are supplied with similar advantages to the 6101D..6103D versions as welding control unit TE553 with welding current direct reading; six-phase silicon rectifier with device to check the diodes proper clamping; protection of the diodes against overload, over voltages, and temperature; synchronous SCR contactor insulated from the cooling water circuit with protection thermostat; Adjustable double stroke with key control, cylindrical guided stems with adjustable anti-rotation device; electrodes descent without pressure for both maintenance and set-up; complex pneumatic cycle, with electrode low pressure squeeze.
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