NEW TECNA 4644 – Foot Operated 25 KVA Rocker Arm Spot Welder

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

NEW TECNA 4644 WSI Serial #: E0220039

NEW TECNA 4644 – foot-operated 25 kVA rocker arm spot welder [ WSI stock / serial #: E0220039 ] IN-STOCK and FOR SALE at Weld Systems Integrators.

  • 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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Enter WSI Serial #: E0220039 on the following quote request form.

If you have any questions on WSI Select – IN-STOCK equipment available from Weld Systems Integrators, please call 844-WSI-WELD or +1-216-475-5629 and ask to speak with a WSI Engineer.

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    • TE101 control, mounted on the front of the machine, allows the operator to view data while welding.
    • Air pressure gauge, regulator knob, and speed controls are mounted at the top of the machine for easy monitoring and adjustment.
    • Water-cooled transformer, arms, and electrodes. Epoxy resin-coated transformer for maximum protection.
    • Adjustable electrode stroke enables access to a greater range of parts.
    • Chromium-copper electrode holders are designed for long life and heavy-duty service. It may be mounted at 12° and 90° positions in the arm. Optional Universal-Style arms are available exclusively from WSI for 1″ diameter electrode holders, and for mounting the electrode holders at 30° and 90°.
    • Adjustable throat depth enables maximum flexibility.
    • Ergonomic frame for long-term operation in production environments.
    • WSI exclusive standard low-profile lower holder enables accessing parts as small as 3″ diameter.
    • Single foot pedal (standard). Additional foot pedal (optional part #73070) on base allows mounting both foot pedals on a joint base.
    • PINCH POINT SAFETY OPTION: WSI-supplied TECNA rocker arm spot welders can be available with UNITROL Soft Touch Safety for pinch point protection.
    SPECIFICATIONS TECNA 4644
    WSI stock / serial number E0220039
    Foot or air-operated FOOT
    Power @ 50% duty cycle 25 kVA
    Max power 55 kVA
    Secondary voltage 4.6 V
    Maximum Short Circuit Current 14500 A
    Thermal current @ 100% 3.8 kA
    Supply voltage (@ 60Hz)* Dual Voltage 220 / 440 V
    Delayed fuses @ 220 VAC 100 A
    Delayed fuses @ 440 VAC 50 A
    Primary cables (up to 30m) 0.03 in. (16 mm2)
    Insulation class F
    Compressed air supply
    Air consumption per 1000 spots @ 94 psi (650 kP / 6.5 bar)
    Arm minimum length 15.0 in. (380 mm)
    > Max electrode force @ 94 psi (6.5 bar) 330 lbs. (150 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) 176 lbs. (80 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 326 lbs. (148 kg)
    Arms 40 in. (1016 mm)
    Electrode holders 0.87 in. (22 mm)
    Electrode taper size 4RW/1MT

    TECNA 4642, 4644, 4647, 4649 Rocker Arm Welders Catalog

    * Download the TECNA 4642, 4644, 4647, 4649 catalog ( PDF )

    TECNA 4640 – 4644 Installation Manual

    * Download the TECNA 4645 – 4649 installation manual ( PDF )