NEW TECNA 4666 – Air Operated 50 KVA Press Welder

WSI-SELECT – In-Stock and For Sale at Weld Systems Integrators

NEW TECNA 4666 WSI Serial #: 120121

NEW TECNA 4666 – Air Operated 50 kVA press welder [ WSI stock / serial #: 120121 ] IN-STOCK and for sale at Weld Systems Integrators. The TECNA 4666 is a versatile 50 kVA air-operated press-type spot welder, designed to meet a variety spot welding needs.

  • Simple, fast setup and operation, with easy adjustment
  • 220 or 440V – dual-voltage welder works from 208-480, anywhere in your plant
  • Arms easily slide in and out for small and large parts
  • Access hard-to-reach welds with built-in angle / straight tip holders
  • Easy-to-program weld controls

WSI maintains an IN-STOCK inventory of new and used resistance welding equipment at our Warrensville Heights, Ohio location for quick shipment and delivery. Contact our knowledgeable sales team at 844-WSI-WELD or +1-216-475-5629 for immediate assistance.

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    • Air-operated, lube-free cylinder eliminates oil mist in the shop environment.
    • Electrode force is adjustable via an integrated filter/regulator combination.
    • Reduce shop noise with integrated speed control valves, shock absorber for end of cylinder stroke, and air exhaust mufflers.
    • Two-stage electronic foot switch initiation (1st stage closes tips without welding, 2nd stage initiates weld schedule.)
    • Pre-wired to accept a second footswitch (Option 72977).
    • A second footswitch allows for immediate recall of a second weld time / current setting. This is helpful when different settings are required on the same workpiece.
    • PINCH POINT SAFETY OPTION: WSI-supplied TECNA Rocker Arm Welders are available with UNITROL Soft Touch Safety for pinch point protection.
    SPECIFICATIONS TECNA 4666
    Foot or air-operated AIR
    Power @ 50% duty cycle 50 kVA
    Max power 104 kVA
    Secondary voltage 6.1 V
    Maximum Short Circuit Current 17000 A
    Thermal current @ 100% 5.7 kA
    Supply voltage (@ 60Hz)* Dual Voltage 220 / 440 V
    Delayed fuses @ 220 VAC 125 A
    Delayed fuses @ 440 VAC 70 A
    Primary cables (up to 30m) 0.05 in. (35 mm2)
    Insulation class F
    Compressed air supply 94 psi (6.5 bar)
    Air consumption per 1000 spots @ 94 psi (650 kP / 6.5 bar) 191 – 60 SCF (5.4 – 1.7 N / m3)
    Arm minimum length 15.7 in. (400 mm)
    > Max electrode force @ 94 psi (6.5 bar) 1034 lbs. (470 daN)
    > Working stroke 0.2 – 2 in. (5 – 50 mm)
    Arm maximum length –
    > Max electrode force @ 94 psi (6.5 bar) –
    > Working stroke –
    Short circuit current with arms @ max length –
    Adjustable arm gap assembly (OPTION 4638)
    Short circuit current with arms @ max length –
    Minimum gap –
    Maximum gap –
    Water cooling @ 36 psi (250 kP / 2.5 bar) 1.1 gpm (4 lpm)
    Minimum water pressure 36 psi (2.5 bar)
    Aerial noise produced 70+
    Measured conditions
    Working stroke 200.79 in. (20 mm)
    Welding time 23 cycles
    Welding current 12.7 kA
    Working rating (welds per minute) 15 # / min.
    Net weight 495 lbs. (225 kg)
    Arms 1.97 in. (50 mm)
    Electrode holders 1.0 in. (25 mm)
    Electrode taper size 5RW/2MT

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