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JH21series open back press with dry clutch and hydraulic overload protector
 

JH21series open back press with dry clutch and hydraulic overload protector



JH21series open back press with dry clutch and hydraulic overload protector

 

Features:

 

Welded body with steel plate and high intensity.

Main motor is made by Siemens.

Adopts combined pneumatic friction clutch and brake.

Cluster gear adopts the flooding oil lubrication.

Six-face rectangle lengthen guide; JH21-315B/400B adopts eight-face lengthen guideway.

Equipped with hydraulic overload protecting device.

JH21-25/25B/45 adopts manual shut height adjustment,among these types JH21-25/45 adopts scale display and JH21-25B with digital display.JH21-63 and above type adopts electric shut height adjustment with digital display.

JH21-45 can equip with die set height adjustment motor, the value will be displayed by digital.

JH21-25B, JH21-45 and above type equipped with balance cylinder.

Duplex valves imported.

Electric compelling grease lubrication system.

Balancing cylinder adopts manual lubrication system.

One set of blowing device.

Controlled by PLC with international brand.

Buttons, indicators, AC contactors, air circuit breakers and other controlling devices are imported from international brand.

Equipped with optional air cushion device, automatic feed shaft and photoelectric protector,which can used to work with various automatic equipments.

 

Specification:

Item

JH21-25B

JH21-25

JH21--45

JH21-63

JH21-80

JH21-110

JH21-125

Capacity

kN

250

250

450

630

800

1100

1250

Nominal Stroke

mm

3

3

4

4

5

6

6

Slide Stroke

mm

60

80

100

120

140

160

160

SPM

Fixed

min-1

100

100

80

70

60

50

50

Variable

80-120

80-120

70-90

60-80

50-70

40-60

40-60

Max. Die Height

mm

200

250

270

300

320

350

350

Die Height Adjustment

mm

50

50

60

80

80

80

80

Between Slide Center & Frame

mm

160

210

230

300

300

350

350

Bolster (FB×LR)

mm

300×680

400×700

440×810

580×900

580×1000

680×1150

680×1150

Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.)

mm

130×260

φ170×20×φ150

φ180×30×φ160

φ200×40×φ180

φ200×40×φ180

φ260×50×φ220

φ260×50×φ220

Bolster Thickness

mm

70

80

110

110

120

140

140

Bolster Opening (Dia./FB×LR)

mm

200×270

260×250

300×300

390×460

390×520

420×540

420×540

Slide Area (FB×LR)

mm

270×330

300×360

340×410

400×480

420×560

500×650

540×680

Shank Hole (Dia.×Dpth)

mm

φ40×60

φ40×60

φ40×60

φ50×80

φ50×80

φ60×80

φ60×80

Between Columns

mm

448

450

550

560

640

760

760

Main Motor Power

kW

3

3

5.5

5.5

7.5

11

11

Outline Size (FB×LR×H)

mm

1150×1050×2050

1300×1050×2050

1390×1200×2400

1580×1210×2520

1640×1280×2700

1850×1450×3060

1850×1490×3060

Net Weight

kg

2200

2600

3450

5400

7000

9340

9900

 

 

Item

JH21-160B

JH21-200

JH21-200B

JH21-250

JH21-250B

JH21-315

JH21-315B

Capacity

kN

1600

2000

2000

2500

2500

3150

3150

Nominal Stroke

mm

6

6

6

8

8

8

8

Slide Stroke

mm

160

180

200

200

250

200

250

SPM

Fixed

min-1

40

35

35

30

30

30

30

Variable

35-50

30-40

30-40

25-35

25-35

25-35

25-35

Max. Die Height

mm

350

390

450

430

500

430

550

Die Height Adjustment

mm

110

110

110

120

120

120

120

Between Slide Center & Frame

mm

380

390

390

420

420

420

460

Bolster (FB×LR)

mm

740×1300

760×1400

760×1400

800×1400

800×1400

800×1400

880×1600

Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.)

mm

φ300×50×φ260

φ300×50×φ260

φ300×50×φ260

φ320×50×φ280

φ320×50×φ280

φ320×50×φ280

φ320×50×φ280

Bolster Thickness

mm

150

160

160

170

170

170

200

Bolster Opening (Dia./FB×LR)

mm

φ470

φ470

φ470

370×570

370×570

440×580

440×580

Slide Area (FB×LR)

mm

580×770

600×800

600×800

650×850

650×850

650×850

700×950

Shank Hole (Dia.×Dpth)

mm

φ65×85

φ65×90

φ65×90

φ70×90

φ70×90

φ70×90

φ70×90

Between Columns

mm

850

870

870

960

960

920

920

Main Motor Power

kW

15

18.5

18.5

22

22

30

30

Outline Size (FB×LR×H)

mm

2280×1550×3240

2500×1580×3320

2500×1580×3420

2730×1640×3550

2770×1700×4060

2770×1650×3550

2850×1700×4450

Net Weight

kg

14500

17000

17350

23500

24500

25000

28000 

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