... 5mm 4)Weight:10.5kg RT3000B Mould Welding Machine adopts new practical mould repair welding equipment with computer controlled, the newest ... accuracy, low voltage, big current, no high temperature, no arc spatter. The minimum accuracy is 0.01MM (iron piece: ... such as copper, aluminum..5.multiple control models: Four modes----single, automatic, precision, and conventional, which adapt to different ...