镀黄铜高压胶管钢丝生产线

Production Line of Plating Brass Steel Wire for High Pressure Rubber Tube

该生产线采用卡电加热铅淬火 ,PID调功器控制铅温 ,精度± 0 5℃ ;阴阳极交替电解酸洗表面处理 ;热扩散电镀黄铜。试生产走线 2 0根 ,DV值 30 , 1 40mm半成品钢丝σb=1180～ 12 30MPa ,伸长率≥ 8% ,扭转≥ 6 0次 ,打结率 >6 5 % ; 0 30mm成品丝σb=2 6 10～ 2 6 70MPa,扭转≥ 80次 ,打结率 >6 4% ,镀层厚度 4 6～ 6 5g/kg ,w(Cu) =6 5 2 %～ 6 7 6 %。

The production line uses electricity current to heat steel wire directly and patenting process Lead temperature control accuracy can get ±0 5?℃ with PID power regulator Alternating cathodes and anodes electrolysis pickling is adopted in surface treatment Heat diffusion electroplate brass process is used in the line In trial production 20 steel wires run and DV value is 30 The semifinished 1 40?mm steel wire has tensile strength σ b=1?180～1?230?MPa,elongation more than 8%,twist numbers more than 60 times,knot rate more than 65% The finished 0 30?mm steel wire has tensile strength σ b=2?610～2?670?MPa,twist numbers more than 80 times,knot rate more than 64% The brass coat thickness is 4 6～6 5?g/kg The mass proportion of copper in brass coat is 65 2%～67 6% The quality of the wire reaches the standard of steel wire for high pressure rubber tube of China