... machine could quench, anneal or temper the surface, inner bore, partial or whole of all kinds of hardware, electric motor parts, hydraulic ... and aboard producing chain wheels, guide rails of machine tools, hammers, knives, scissors, pincers, axles, ... machine for 24 hours continuously. Parameter TypeInput voltage(v)±10%Oscillatory power(KW)Oscillatory frequency(KHZ)Output current(A)Cool-off hydraulic ...