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JW31 H Frame Single Crank Power Press

JW31 straight side single crank power press machines have tonnage range from 160ton to 630ton. Straight press is more suitable for metal cutting and blanking process, such as hinge plate cutting. 8 faces slide guides ensure higher precision. H frame body has more strength and rigidness. This press machine is also suitable for aluminum parts cold forging, such as house for electric condensor.

Quantity:
  • JW31
  • WORLD

H frame structure ensures higher rigidness and strength

Steel plate welded H frame body, annealing treatment and then sand blasting. This process help to release the welding stress and get a better surface for painting. Ram of the press machine is moving inside the body. Other components such as motor, clutch, lubrication system are all inside the frame. Compact structure and nice apperance.

Eight faces slide guides with higher precision

This H frame pess adopts ram with 8 faces guides and the ram is always moving along the center of the press. Ram is casting iron which is machining by cnc machine center for higher precision. Lengthened bronze plates are fixed on press body. Grease lubrication between the bronze plates and the slid gibs.

press h frame body

Strong H frame body


press ram with 8 faces guide

Press ram with 8 faces guides

Easy maintenance and operation

  1. This crank press machine adopts world standard wet clutch. Just need to change the lubricant oil every half year for maintenance.

  2. Hydraulic overload protection system is standard equipped to this single crank press machine. It is easy to reset the system by a swith on the control panel. Only needs one minute to reset the press.

  3. There is a flat motor on the press ram back. This motor works with the worm gear system inside the ram to adjust the shut height. There is a button and a switcn on the T stand to control the slide adjustment.

  4. Automatic central lubrication system for press machine. An electric pump will pump the grease from the tank and distribute the greae to all the lubrication points.


JW31 h type single crank press dimensions

ITEM CODE UNIT JW31-160 JW31-200 JW31-250 JW31-315 JW31-400 JW31-500 JW31-630
Nominal Capacity Pe KN 1600 2000 2500 3150 4000 5000 6300
Stroke Length s mm 180 200 220 220 250 250 250
Slide Stroke Speed Fixed n spm 45 35 30 30 25 20 20
Variable (optional) n spm 25-50 25-45 20-35 20-35 20-30 15-25 15-25
Max. Die Shut Height H2 mm 400 450 500 550 600 650 650
Die Shut Height Adjustment t mm 110 110 120 120 120 120 120
Side Window Size F-B E mm 650 750 800 850 900 1000 1100
Height F mm 350 420 430 480 520 650 650
Distance Between Uprights G mm 1100 1200 1300 1350 1450 1650 1800
WorkingTable Size F-B D mm 650 750 800 850 900 1000 1200
L-R C mm 1000 1100 1200 1250 1350 1500 1700
Thickness H3 mm 165 180 190 190 200 220 220
Table Hole Diameter
mm 180 200 200 220 220 220 220
Slide Bottom Size F-B b mm 600 700 750 800 850 950 1200
L-R a mm 750 850 950 1000 1100 1250 1400
Table Surface Height H1 mm 1005 1115 1205 1215 1225 1225 1400
Overall Dimensions F-B A mm 2200 2300 2500 2600 2700 3100 3340
L-R B mm 1780 2000 2050 2200 2370 2600 3000
Height H mm 3800 4200 4500 4550 4900 5400 5550
Motor Power
KW 15 18.5 22 30 37 45 75
Weight (approximate)
kg 16000 22000 27500 30000 36500 47500 75000

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