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Order Code: K8724
 
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Description

QLD Schools / TAFE - TECNA® 4648 Industrial Pneumatic Pedestal Spot Welder

#4648
25kVA (3 + 3mm Maximum Steel Thickness)
Overview
TECNA spot welders are designed to meet every need of spot welding. The new stationary ergonomic frame designed by TECNA helps to facilitate the operator’s work.The control unit has been positioned frontally to allow the operator to view the welding data even during the working cycle. The pneumatic commands and the compressed air pressure gauge have been placed at the top for easier adjustment and reading.
Features
  • Arms adjustable in length allowing a better working flexibility
  • Chrome-copper electrode-holders for long life and heavy duty service, designed for straight and angled fitting
  • Adjustable electrode stroke
  • Epoxy resin coated transformer
  • Water-cooled transformer, arms and electrodes
  • The air operated lubrication free cylinder eliminates oil mist
  • Electrode force adjustment with air filter reducer with gauge
  • Semi-automatic drainage system
  • Electrode speed control valves, shock absorber for cylinder’s end of stroke and air discharge silencers
  • Two-stage electric foot pedal, that besides its normal use in automatic and single spot mode, allows the operator to bring the pieces together and to weld them only when correctly positioned
  • Pre-arrangement for the connection of a second electric two-stage foot pedal item 70284
  • The addition of the second foot pedal allows to recall two different adjustments of time- current
  • This function is helpful when different kinds of welding are to be performed on the same piece

  • TE101 TECNA MICROPROCESSOR CONTROL UNIT:
  • Synchronous thyristor drive with phase-shift control for welding current adjustment.
  • Built in ammeter (RMS value), 2 selectable ranges (18-56 kA).
  • Storing of 99 welding programs.
  • Inputs for external selection of 31 programs or 15 programs with parity control.
  • Welding times adjustment in half-periods.
  • Pre-weld, slope and pulse functions.
  • Welding current control limits. Error condition signalling output and function to stop welder operation.
  • Single and repeat operating mode. WELD/NO WELD function.
  • Welding current compensation function to assist welding of oxidised sheets and rods.
  • Possibility to connect two independent start of cycle device using different welding programs.
  • Auto retain disabling for manually actuated welders.
  • First phase shift delay adjustment. It enables the machine line current best balance.
  • Cos φ adjustment, allow to optimise current adjustment linearity.
  • End of cycle output for automation applications.
  • Thermostatic protection input.
  • Self-adjustment to the mains frequency 50/60 Hz.
  • Control of solenoid valve 24 Vdc 7,2 W max with short circuit protection.

  • Features: UTJRWC-1
  • 9 Litre Water Cooling Unit
  • Stainless steel pump and shafts, corrosion free
  • Heat resistant motor improves cooling
  • No priming required, quick fill in & drain out
  • Universal and can be used with any welder
  • Carry handle for portability and convenience
  • Water level gauge on front of unit
  • In built fan cooled radiator
  • Design to recycled water back into cooler unit
  • Uses ordinary tap water but better with distilled
Includes
  • UTJRWC-1 9 Litre Water Cooling Unit
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  • NSW Contract No.
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  • MODEL

  • Part Number
  • Type
  • (mm)Maximum Thickness
  • (kVA)Nominal Power
  • (kVA)Max. Welding Power
  • (V)Secondary No Load Voltage
  • Functions
  • (amp)Main Fuse
  • (mm)Throat Depth (Min/Max)
  • (mm)Arms Gap
  • (V / amp)Voltage / Amperage
  • (mm)Dimensions
  • (kg)Nett Weight
  • (ex-gst)Pricing  
  • (inc-gst)   
  • K8433
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  • K8433
  • NSW Item No.51A
  • ~
  • NSW School / TAFE
    ART 7900
  • ~
  • Manual
  • 2 + 2
  • 50% @ 2kVA
  • 13
  • 2.3
  • Timer
  • 16
  • 125
  • 96
  • 240 / 15
  • 430 x 100 x 250
  • 10
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  • K8437
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  • K8437
  • NSW Item No.51B
  • ~
  • NSW School / TAFE
    TECNA-4640-16
  • 4640-16
  • Manual
  • 2.5 + 2.5
  • 50% @ 16kVA
  • 35
  • 3.4
  • ~
  • 32
  • 230-550
  • 225
  • 415
  • 300 x 750 x 1200
  • 135
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  • K8720
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  • K8720
  • ~
  • QLD Item No. 6
  • School / TAFE ART 7900
     
  • ~
  • Manual
  • 2 + 2
  • 50% @ 2kVA
  • 13
  • 2.3
  • Timer
  • 16
  • 125
  • 96
  • 240 / 15
  • 430 x 100 x 250
  • 10
  • Please Call
  • Please Call
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  • K8721
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  • K8721
  • ~
  • QLD Item No. 7
  • School / TAFE
    TECNA-4640-16
  • 4640-16
  • Manual
  • 2.5 + 2.5
  • 50% @ 16kVA
  • 35
  • 3.4
  • ~
  • 32
  • 230-550
  • 225
  • 415
  • 300 x 750 x 1500
  • 135
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  • K8722
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  • K8722
  • ~
  • QLD Item No. 7
  • School / TAFE
    TECNA-4643-25
  • 4643-25
  • Manual
  • 3 + 3
  • 50% @ 25kVA
  • 62
  • 4.6
  • ~
  • 50
  • 230-550
  • 220
  • 415
  • 300 x 750 x 1500
  • 145
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  • K8724
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  • K8724
  • ~
  • QLD Item
  • School / TAFE
    4648
  • 4648-25
  • Pneumatic
  • 3 + 3
  • 50% @ 25kVA
  • 68
  • ~
  • ~
  • ~
  • 230-550
  • 220
  • 415
  • 300 x 750 x 1500
  • 143
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