HB-71B Spot Welding Pen Polymer Lithium Battery Spot Welding Machine Pen for 709A 709AD Spot Welding Machine U-shaped In
Description User friendly design easy to master one piece welding pen with one hand solves the method of earth that is difficult to master by split welding pen It is slim in shape easy to hold easy to carry no need to learn no need for professional skills to be familiar and easy to use Currently the most professional soldering pen for the market Specification Solder pin spacing 0 3cmWelding pen and cable length 630mm x2Cable cross section 18mm⊃2 Solder pin size Ф 1 5mm x 7mmMaximum welding pulse current 500A Instructions For Use 1 The positive electrode of the polymer soft pack battery is caused by an aluminum sheet but since the aluminum sheet is not resistant to breakage it is easily broken and it cannot be used for a long time and it is impossible to solder or solder a nickel sheet At present the processing technology needs to be coated with aluminum nickel composite sheets for aluminum alloy welding so that aluminum nickel sheets can replace aluminum sheets for long term work which brings great market and challenges to spot welding of aluminum sheets 2 Since the aluminum sheet has a low electrical resistivity and good thermal conductivity it is a poor soldering property in metal welding Some users use ultrasonic welding the strength should be guaranteed but if the surface of the aluminum sheet has been oxidized to produce oxidation the aluminum surface is very easy to oxidize to grayish white aluminum oxide while the hardness and melting