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JW31-160 Ton H Frame Electric Power Pressing Machines

JW31 H frame single crank power press is applicable to light, thin material, for single, and progressive die application in blanking, piercing, bending, forming, interlink with ROT line or transfer unit. High rigidity frame, applications suitable for various kinds of stamping works. The press capacity is from 160ton to 630ton. Slide guide 8 faces for higher precision.



  • Steel welded body, tempering treatment, high rigidity, accuracy and stability.

  • Cross located crankshaft, compact structure.

  • The crankshaft undergoes grinding treatment after high frequency quenching.

  • The crankshaft undergoes grinding treatment after high frequency quenching.

  • PLC control and imported safety dual valve.
  • Pneumatic dual balance cylinder, which balances the slide block and ounch weight to reduce noise and impact.
  • Wet clutch and hydraulic overload protected pump.
  • Both auto grease lubrication system and manual thin oil lubrication system.
Nominal CapacityPeKN1600
Slide Strokesmm180
Slide Stroke SpeedFixednspm45
Max. Die Shut HeightH2mm400
Die Shut Height Adjustmenttmm110
Side Window SizeF-BEmm650
Distance Between UprightsGmm1100
Table SizeF-BDmm650
Table Hole Diameter
Slide Bottom SizeF-Bbmm600
Table Surface HeightH1mm1005
Overall DimensionsF-BAmm2200
Motor Power



H Frame Body With Rigitdity

JW31 straight side press machine uses a strong H frame body.The press body is steel weldedwith high quality steel plates by carbon dioxide arc welding. After welding, all the weld seams must pass the examination of ultrasonic inspection. The top transmission gearbox is tested by oil bath to avoid any oil leak.

Wet Type Pneumatic Clutch and Brake

Wet type pneumatic clutch with imported clutch disc.NOK seals, lower noise and maintenance cost, longer service life.Press with pneumatic wet clutch can work as continuous, inches or single stroke. more choices for operators.

Hydraulic Overload Protected Pump

The press is standard equipped with Japanese SHOWA hydraulic overload pump. Normallythe system is set as 110% of the nominal capacity.The press will stop immediately once it is overload than 110% to protect both the press and the die.

PLC Control with HMI

PLC central control system makes the press easily operation and inspection. HMI has functions of system setting, I/O monitor counter and preset counter. The operator can set the lubrication frequency by the HMI according to the working time or working stroke times.

PLC control system
Siemens Motor

 Schneider/Siemens Electric Parts

JH21-125 C Frame Pneumatic Press Machine

Adopt to sheet metal punching , cutting, bending, drawing,stamping,blanking and forging process

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