NEW TECNA 4649 – Air Operated 25 KVA Rocker Arm Welder IN-STOCK

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

WSI Serial #: 020122

NEW TECNA 4649 – Air Operated 25 KVA Rocker Arm Welder [ WSI stock / serial #: 010122 ] IN-STOCK and for sale at Weld Systems Integrators. The TECNA 4649 is a versatile 25 kVA air-operated rocker arm 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 (15″ – 28″ throat)
  • 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 Model 4649
    Foot or air-operated AIR
    Power @ 50% duty cycle 25 kVA
    Max power 55 kVA
    Secondary voltage 4.6 V
    Maximum short circuit current 14500 A
    Maximum welding current on aluminum –
    Maximum welding current on steel 11.6 kA
    Thermal current @ 100% 3.8 kA
    Supply voltage (@ 60Hz)* Dual Voltage 220 / 440
    Delayed fuses @ 220 VAC 100 A
    Delayed fuses @ 440 VAC 50 A
    Primary cables (up to 30m) 16 mm2
    Insulation class F
    Compressed air supply 94 – 145 psi (6.5 – 10 bar)
    Air consumption per 1000 spots @ 94 psi (650kP / 6.5 bar) 152 SCF (4.3 N / m3)
    Arm minimum length 15.0 in. (380 mm)
    > Max electrode force @ 94 psi (6.5 bar) 363 lbs. (165 daN)
    > Working stroke 0.4 – 2.4 in. (10 – 60 mm)
    Arm maximum length 27.6 in. (700 mm)
    > Max electrode force @ 94 psi (6.5 bar) 198 lbs. (90 daN)
    > Working stroke 0.6 – 4.1 in (15 – 105 mm)
    Short circuit current with arms @ max length 10.5 kA
    Water cooling @ 36 psi (250 kP / 2.5 bar) 1 gpm (3.8 lpm)
    Minimum water pressure 36 psi (2.5 bar)
    Aerial noise produced 70+ dB (A)
    MEASURED CONDITIONS
    Working stroke 0.79 in. (20 mm)
    Welding time 20 cycles
    Welding current 11 kA
    Working rating (welds per minute) 10 # / min.
    Net weight 321 lbs. (146 kg)
    Arms 1.58 in. (40 mm)
    Electrode holders 0.88 in. (22 mm)
    Electrode taper size 4RW/1MT

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