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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.
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  • 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

Nominal Capacity

Pe

KN

1600

2000

2500

3150

4000

5000

Slide Stroke

s

mm

180

200

220

220

250

250

Rated Tonnage Point


mm

6

6

6.5

7

8

8

Slide Stroke Speed

Fixed

n

spm

45

45

30

30

25

20

Variable (optional)

n

spm

35-55

35-55

20-35

20-35

20-30

15-25

Max. Die Shut Height

H2

mm

400

450

500

550

600

650

Die Shut Height Adjustment

t

mm

110

110

120

120

120

120

Side Window Size

F-B

E

mm

650

750

800

850

900

1000

Height

F

mm

350

420

430

480

520

650

Distance Between Uprights

G

mm

1100

1200

1300

1350

1450

1650

Table Size

F-B

D

mm

650

750

800

850

900

1000

L-R

C

mm

1000

1100

1200

1250

1350

1500

Thickness

H3

mm

165

180

190

190

200

220

Table Hole Diameter


mm

180

200

200

220

220

220

Slide Bottom Size

F-B

b

mm

600

700

750

800

850

950

L-R

a

mm

750

850

950

1000

1100

1250

Table Surface Height

H1

mm

900

985

1080

1075

1090

1090

Overall Dimensions

F-B

A

mm

2300

2370

2480

2600

2690

2880

L-R

B

mm

1820

2080

2200

2260

2480

2700

Height

H

mm

3710

4220

4560

4610

4960

5420

Motor Power


KW

15

18.5

22

30

37

45

Air Pressure


Mpa

0.5

0.5

0.5

0.5

0.5

0.5

Weight (approximate)


kg

16000

22000

27500

30000

36500

47500


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