TECNA® 4648 Industrial Pneumatic Pedestal Spot Welder #4648 25kVA (3 + 3mm Maximum Steel Thickness)

TECNA TECNA® 4648 Industrial Pneumatic Pedestal Spot Welder #4648 25kVA (3 + 3mm Maximum Steel Thickness)
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Order Code: W077

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 72 W max with short circuit protection.



Specifications:
ORDER CODE: W077
MODEL: TECNA® 4648
Unit & Operation (Type): Pedestal Foot - Pneumatic
Maximum Welding Thickness (mm): 3 + 3
Maximum Welding Power (kVA): 68
Nominal Power 50% (kVA): 25
Welding Timer (Yes / No): Yes
Throat Depth (Min/Max) (mm): 230 - 550
Electrode Stroke 230mm (mm): 8 - 44
Electrode Stroke 550mm (mm): 15 - 85
Arms Gap (mm): 220
Water Cooling Capable (Yes / No): Yes
Main Fuse (amp): 50
Voltage / Amperage (V / amp): 415
Dimensions (L x W x H) (mm): 300 x 750 x 1500
Nett Weight (kg): 143


To Purchase Online Please Visit The Machineryhouse Website & Search For 'W077'

Visit us in-store at:
Sydney - Unit 1, 2 Windsor Road, Northmead NSW 2152
Melbourne - 4 Abbotts Road, Dandenong South VIC 3175
Brisbane - 625 Boundary Rd, Coopers Plains QLD 4108
Perth - 11 Valentine Street, Kewdale WA 6105