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The two step pipe expanding machine structure and principle
The two step pipe expanding machine structure and working principle
The two step pipe expanding machine for the double oil cylinder or four cylinder parallel average pushing machine, pump valve adopts integrated form.Outside diameter and length of the steel tube in the expanding system, set up a medium frequency heating power supply of power, thrust and stroke of oil cylinder.
The two step pipe expanding machine has the following parts:hydraulic driving system of host machine, active roll automatic up-down material mechanism, hydraulic pump station, the tube device, work station, electrical control cabinet, intermediate frequency power supply, water, cable, compensation capacitor, intermediate frequency adjust frame, coil reactor.