50A Adjustable Pulse Electronic Spark Jewelry Spot Welder

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$169.99 $189.99



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The 50A Adjustable Pulse Electronic Spark Jewelry Spot Welder is perfect for welding platinum, gold, K gold, silver, and steel rapidly. It can also be used for welding ring mouths, melon seed buckles, and fine wires with precision and without the need for welding powder. Using the principle of plasma high-frequency discharge, this machine instantly forms a molten pool at the welding port, producing smooth, solid, and efficient results. Adjust the output power based on the wire size to achieve optimal welding.


Voltage: 110V/220V
Power: 500W
Output current: 0.5-30A
Welding diameter range: 0.6-1.2mm
Applicable metal: Gold, silver, platinum and copper
Working distance: 0.5-1.0mm (Between needle and workpiece)
Product Size: 30*23*17cm
Weight: 5.5kg

Packing List

1 x 50A Adjustable Pulse Electronic Spark Jewelry Spot Welder
1 x Power Cord
1 x Foot Pedal
1 x Set of Accessories

Installation and commissioning:

1. Electrode clamping output negative electrode, the electrode seat output positive pole.
2. Tungsten needles can be sharpened in the grinding machine, with the use of the cutting-edge discharge principle.
3. tungsten needle diameter 1.5mm


1. Turn on the power and turn on the power switch.
2. Adjust the power knob, divided into coarse and fine. According to the work requirements can be adjusted scale value
3. The workpiece is aligned with the tweezers. The workpiece interface is aligned with the tungsten needle (the optimum distance is 5mm).
4. With the foot pedal switch (remove the foot). Spot welding is completed.

Shipping Policy

Shipping cost is charged by the shipping agency according to the destination, the weight and the shipping method.

Delivery time depends on the destination and the shipping method you choose. Phyhoo offers the following shipping methods to ensure the safe delivery of your package

  • FedEx, DHL and UPS are the fastest delivery methods available. Delivery time is 3 ~ 7 days to all major destinations. Products weighing more than or equal to 2KG will be shipped by FedEx, DHL and UPS by default.

    According to your shopping cart, the system will automatically choose the most economical way for you from DHL, UPS and FedEx.

  • EMS will take 7~21 working days to arrive. Products weighing less than 2KG can choose this shipping method.

Orders are processed and delivered Monday-Saturday (excluding public holidays)

Tip: Phyhoo is not responsible for the shipping delay that caused by the severe weather, such as stormy snow or other causes that beyond our control.

30 Days Returns

We are proud to guarantee 100% satisfaction with all items you purchased on phyhootool.com. If there is any dissatisfaction with your purchase for any reason, full refunding, Unconditional Return and 100% Exchange could be accepted within 30 days from the date of delivery.

50A Adjustable Pulse Electronic Spark Jewelry Spot Welder

$169.99 $189.99