Pedestal Spot Welder Foot operated 16 kVA Unimig Tecna 4640 415V Adjustable Arms
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.
MAIN WELDER 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.
• Microprocessor control unit TECNA TE90.
• 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.
SPECIFICATIONS:
Model No: 4640
Nominal power at 50%: 16kVA
Maximum welding power :35 kVA
No load secondary voltage: 3.4V
Maximum short circuit current: 12.5kA
Maximum welding current on steel: 10 kA
Thermal current 100%: 3300 A
Supply voltage 50Hz * : 415 V
Cables section L=10 m: 6 mm2
Cables section L=30 m: 10 mm2
Delayed fuses 32 A
Min. electrodes throat depth 230 mm
Max. electrode force (6 bar) 240 daN
Electrode stroke: 8-44 mm
Max. electrodes throat depth : 550mm
Max. electrode force (6 bar): 95 daN
Electrode stroke : 15-85 mm
Short circuit current with L max. 8.4 kA
Arms diameter: 36 mm
Electrode-holders diameter: 19 mm
Standard electrodes cone diameter: 12.7 mm
Water cooling: 2.5 l/min
Aerial noise produced: < 70 dB(A)
Measure conditions
Working stroke: 20 mm
Welding time cycles: 21
Welding current : 9.4 kA
Working rating in 10 welds/min
Net weight (approximately) : 135kg
Important - Delivery: Please ensure that a forklift or tractor with forks is available to unload upon delivery. If you don’t have means to unload, you may be required to pick item up from a designated freight depot. Alternatively a tailgate delivery may be available at an additional cost, please contact seller to confirm.
WARRANTY POLICY
We offer a 12-month warranty on all products used for private household use and a 3-month warranty for commercial use from the date of purchase. Please refer to the individual product listing for specific warranty terms and period.
Warranty cover does not include damage caused by normal wear and tear, accidents, misuse, lack of maintenance, neglect, natural disaster, or other external causes; to damage caused by operating the equipment in a manner outside that described in the instructions.
Warranty is considered void if there is mishandling product during transportation after pickup or truck delivery to the buyer's premises.
Warranty Process:
You must produce the original invoice or other proof of purchase document disclosing the purchase date.
All costs of return postage, transport and freight, travelling expenses, hiring tools, labors in fitting parts are paid by the customers.
Parts purchases, consumable components, and accessories )such as hoses, clutches, spray guns, brass head pumps, blades, tines, etc.) are not covered by our standard warranty once used. If you have an issue with parts or consumable components please contact us to discuss a resolution prior to using the item.
RETURNS POLICY
You may return an item for a refund within 30 days of delivery; all you need to do is ship the item back to us. Refund will be issued once the item is received and inspected.
Faulty Product
Please contact us as soon as possible if you have received a faulty product. We will need to assess whether the fault is a major or minor fault and will either arrange for the product to be repaired or replace. Some manufacturers require us to send fault items to them for assessment before we can give you a replacement.
Return Eligibility
Items must be returned at buyer's cost in new condition (not being used) and in the original packaging to qualify for a refund (please do not assemble or modify the product in any way). Please do not return or post items before obtaining instructions from our customer service.
Customer Service
Please note that you must comply with all return instructions provided to you via phone or your registered email address. All returns must be directed through Customer Service. If you do without instructions, there is a risk that your returned item may not be identifiable and your returns may not be accepted.
When a return is authorized, it is the buyer’s responsibility to ensure the product is packaged securely to prevent any damage during the return process. Failure to do so may affect the ultimate resolution to be offered, which may include repairs, or replacement items at our discretion.
Applicable freight fees plus a 10% restocking fee will be deducted from your refund in cases where you have changed your mind and wish to return your product. This also applies to orders cancelled while in transit.
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