-40%
for Battery Spot Welder Needle Pin Grinder S-31A Mini Electric Grinding Machine
$ 16.55
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Description
Product DescriptionDescription:
S-31A Mini electric grinder battery point welding machine welding needle welding tip grinder tools
Details:
The principle of pulse welding is using low voltage and high electric current in welding instantaneously.In that moment the welding spot would be in high temperature cause pulse current through welding pin onto welded workpiece.
The diameter and depth of welding spot is related to the shape of welding pin and oxidation of the welding pin surface.The diameter is 0.3-0.6mm and depth is 0.05-0.15mm of good quality welding spot which is not easy to separate because of shaking.This is depended on the good shape of welding pin to make sure the electric conductibility.
The instantaneously temperature of pin reach at approximate 1600℃-1800℃,that will consume welding pin and become oxidized blackening so that diameter of welding pin will become bigger and bigger.And it would increase welding current and power so that would affect welding's quality and be into vicious circle.
Grand welding pin in sharp appropriately.According to the thickness of welding workpiece to grind welding pin and obtain suitable welding effect through tests.
Specifications:
S-31A
Charger: USB interface 5V input DC 5V 1A
Power: 5W
REV: 6500T
Size: 90*40*40
Weight: 88g
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