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You are here: Home » Metal Forming Machines » Power Press » JH25 C Frame Double Crank Press
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JH25 C Frame Double Crank Press

JH25 C frame double crank power press (press machine, punch press, punch machine, punch, mechanical power press, stamping press), capacity from 110ton to 315ton, PLC control, wet clutch, hydraulic overload protected, both mechanical and electric cam control, auto lubricated. Bigger table better for big sheet stamping or progressive die stamping process. Light curtain, inverter, air cushion are optional.

Quantity:
  • JH25
  • WORLD
  • JH25

BIGGER TABLE BETTER FOR PRORESSIVE DIE STAMPING

JH25 C frame double crank press has a wider table which is more press c frame body.jpg

suitable for progressive die stamping. Double cross located

crankshafts reverse rotated to eliminate each lateral force. Pneumatic

slide balance cylinder is equipped to balance the slide weight and

upper die weight. Press is timing by two big gears which are oil bath

in the top oil house.

C frame steel welded body has high rigidity after heat treatment and

ball ballasting treatment. All the welded points are inspected by ultrasonic

and top oil house is tested by oil bath to ensure no any leaking.

 



RETANGULAR TYPE SLIDE GUIDES WITH HIGH PRECISION

The press uses rectangular type lengthened slide guides with bronzepress slide guide gibs.jpg

plates for higher guide precision. Automatic grease lubrication system

ensures longer service life and lower noise. The precision can be

adjusted by side bolts to adjust the guide gaps.

Press bolster working surface is grinded by high performance grinding

machine for better flatness.

Press ram adjustment precision is only 0.1mm with a digital indicator.

Crankshaft is under roller pressing treatment for better roughness and

surface hardness.

Grinded gears are under strict timing testing before installation to the press.





 



WET TYPE CLUTCH WITH BIG TORQUE

Word patented and self-produced wet type clutch is standard equippedwet type clutch for press.jpg

to all C frame double crank presses while most other manufacturers can

only use dry type clutch. Wet type clutch means all the friction discs and

pressure plates are oil bath in the flywheel house. The oil will act as

lubrication and heat radiation medium. In future maintenance, just need

to change the oil each half year. Much lower noise and maintenance cost

than dry type.

High quality friction discs ensure long service life. No need to change them

within 3 years. Each clutch is under balance testing and temperature testing

before assembling to the press.

 



HYDRAULIC OVERLOAD PROTECTION SYSTEM

The crank press is standard equipped with a hydraulic overload pump. press overload pump.jpg

Normally the press overload protection system is set as 110% of the

nominal capacity. Press will stop immediately once it is overload than

110% to protect both the press crankshaft and the press die. It is easy

to reset the overload as there is a reset switch on the control panel.

The system can be reset within 3 minutes.




 



PLC CONTROL WITH HMI

PLC central control system makes the press easily operation and press electric cabinet.jpg

inspection. HMI with setting function, 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.

The press has both mechanical and electrical cam controllers.

It is easy to set the cam angles to match the press with automatic

decoiler straightener feeder system or transfer bar system.






ITEM

CODE

UNIT

JH25-110

JH25-160

JH25-200

JH25-250

JH25-315

Nominal Capacity


KN

1100

1600

2000

2500

3150

Stroke Length

S

mm

180

200

250

280

300

Stroke Speed

Fixed


spm

65

55

45

35

35

Variable(optional)


spm

35-65

30-55

25-45

25-35

25-35

Max. Die Shut Height

H2

mm

400

450

500

550

550

Die Shut Height Adjustment

t

mm

90

100

110

120

120

Throat Depth

G

mm

350

390

430

470

480

Distance Between Uprights

N

mm

1470

1600

1920

2190

2170

Bolster Size

F-B

D

mm

680

760

840

920

940

L-R

C

mm

1880

2040

2420

2700

2800

Thickness

H3

mm

155

165

170

180

190

Slide Bottom Size

F-B

b

mm

520

580

650

700

700

L-R

a

mm

1400

1500

1850

2100

2100

Bolster Surface Height

H1

mm

900

900

1000

1100

1090

Overall Dimensions

F-B

A

mm

1820

2080

2370

2690

2730

L-R

B

mm

1920

2100

2450

2730

2800

Height

H

mm

3100

3280

3730

4110

4110

Motor Power


KW

11

18.5

22

30

37

Weight(approximate)


kg

14000

19000

27000

35000

36000


BIGGER TABLE BETTER FOR PRORESSIVE DIE STAMPING

BIGGER TABLE BETTER FOR PRORESSIVE DIE STAMPING

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