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JH21 SERIES OPEN-BACK POWER PRESSES

JH21 SERIES OPEN-BACK POWER PRESSES

The lathe bed of the machine is formed by welding steel plates and it is conducted the artificial aging treatment and shot basing passivation anticorrosive processing, so deformation of the lathe bed of the machine is small and the rigidity of the lathe bed of the machine is good.

JH21 SERIES OPEN-BACK POWER PRESSES

The lathe bed of the machine is formed by welding steel plates and it is conducted the artificial aging treatment and shot basing passivation anticorrosive processing, so deformation of the lathe bed of the machine is small and the rigidity of the lathe bed of the machine is good.

Combination of pneumatic wet- type friction plate clutch and brake make the machine have a long service life, lower noise and high security, heat treatment quenching and precision grinding are conducted for the gear pair and sliding pair, so the transmission is stable and the precision high.

It adopts PLC control mode, so the machine can achieve emergency stop, inching, single and continuous impact load and the university is high; it can coordinate with the automatic feeding device to form the automatic stamping production line of a single machine or may machines, so the efficiency is high.

The standard configurations of the machine are double -hand button operation, wet-type friction plate clutch maker, hydraulic overload protect, adjustment motor, automatic lubricating system (model above 1100KN), and motor adjustment control height (model above 630 kN).

In addition, in accordance with different production requirements, such as photoelectric protector, constant-speed motor, air cushion, and output shaft or die protective device. can be chosen to be installed.

No information.

JH21 SERIES 

PRODUCT PARAMETERS 1

Unit

JH21-25

JH21-45

JH21-63

JH21-80

JH21-110

Nominal capacity

kN

250

450

630

800

1100

Rating Point A.B.D.C.

(Above bottom dead center)

mm

2.8

3.2

4

5

5

Stroke Length

mm

80

120

140

140

180

Strokes Per Minute

Fixed

SPM

100

80

70

60

50

Variable

SPM

50-100

45-90

45-85

45-75

35-65

Max. die height

mm

250

270

300

320

350

Slide adjustment

mm

50

60

70

90

90

Depth of throat

mm 

210

225

270

290

350

Bolster Area  (FBLR)

mm 

400×700

440×810

520×870

560×10000

680×1100

Thickness of bolster

mm

75

105

125

135

155

Bolster to ground

mm

775

815

895

915

900

Distance between columns

mm

470

510

560

670

700

Slide Area (FB LR)

mm

250×360

340×410

400×480

450×560

520×630

Shank hole(Diameter/depth)

mm

Φ40×60

Φ50×60

Φ50×65

Φ50×80

Φ60×80

Motor power

kW

3

5.5

5.5

7.5

11

Overall dimension

LR

mm

1095

1155

1235

1425

1545

FB

mm

1485

1600

1690

1955

2150

H

mm

2225

2680

2750

2910

3175

Total Weight (net)

kg

2300

3700

4550

6500

9700

Cushion capacity

kN

25

40

60

75

80

Cushion stroke length

mm

40

50

60

65

80

Air pressure used

MPa

0.6

0.6

0.6

0.6

0.6

Remarks: specifications are subject to change without notice.

JH21 SERIES PRODUCT PARAMETERS 2

Unit

JH21-125

JH21-160

JH21-200

JH21-250

JH21-300

JH21-400

Nominal capacity

kN

1250

1600

2000

2500

3000

4000

Rating Point A.B.D.C.

(Above bottom dead center)

mm

5

6

6

6

6

8

Stroke Length

mm

160

200

250

250

250

250

Strokes Per Minute

Fixed

SPM

50

45

35

35

35

---

Variable

SPM

35-65

30-55

25-45

25-40

25-40

25-35

Max. die height

mm

350

400

470

500

500

550

Slide adjustment

mm

100

100

100

110

110

120

Depth of throat

mm

350

390

430

475

475

490

Bolster Area  (FBLR)

mm

680×1100

760×1300

840×1400

930×1500

930×1500

950×1800

Thickness of bolster

mm

160

165

175

185

185

205

Floor to Bolster

mm

920

915

995

1105

1105

1120

Bolster to ground

mm

700

850

880

930

960

1080

Slide Area (FBLR)

mm

540×670

600×760

650×860

700×930

700×930

750×1200

Shank hole(Diameter/depth)

mm

Φ60×80

Φ60×90

Φ60×90

Φ60×100

Φ60×100

Φ70×100

Main motor

kW

11

15

15

22

22

37

Overall dimension

LR

mm

1575

1740

1830

1875

1950

1890

FB

mm

2135

2505

2740

2980

3100

3220

H

mm

3310

3740

4100

4545

4565

4800

Total Weight (net)

kg

11000

15310

21000

28000

32000

36000

Cushion capacity

kN

100

100

120

140

160

160

Cushion Stroke length

mm

70

100

100

120

120

120

Air pressure used

MPa

0.6

0.6

0.6

0.6

0.6

0.6

Independent Electrical cabinet

Remarks: specifications are subject to change without notice.

DIMENSION OF THE WORKTABLE PLATE AND SLIDE BLOCK

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Dimension

JH21-25

JH21-45

JH21-63

JH21-80

JH21-110

JH21-125

JH21-160

JH21-200

JH21-250

JH21-300

JH21-400

a

105

130

140

150

150

180

260

300

350

350

450

a1

---

---

---

---

---

---

160

170

200

200

250

b

125

140

150

180

250

250

300

320

360

360

360

b1

---

---

---

---

150

125

150

160

180

180

180

e

150

195

235

270

275

290

250

320

350

350

500

f

100

130

150

180

200

210

220

250

270

270

270

g

65

75

75

75

90

90

100

100

100

100

100

h

60

100

100

75

90

90

100

100

100

100

100

i(RLFB)

5×3

5×3

5×3

5×3

6×4

6×4

8×4

7×5

8×6

8×6

8×6

j

Φ21

Φ21

Φ21

Φ26

Φ26

Φ26

Φ32

Φ32

Φ32

Φ32

Φ32

k

200

260

300

360

380

410

440

480

500

500

500

l

100

130

150

180

190

210

220

240

260

260

260

m

Φ40

Φ50

Φ50

Φ50

Φ60

Φ60

Φ60

Φ60

Φ60

Φ60

Φ60

n

18

22

22

22

22

22

28

28

28

28

28

p

18

24

24

24

24

24

28

28

28

28

28

q

12

16

16

16

16

20

20

20

20

20

20

r

30

38

38

38

38

38

48

48

48

48

48

u

---

---

---

37.5

45

45

50

50

50

50

50

v

---

---

---

37.5

45

45

50

50

50

50

50

x

290

340

400

480

500

580

600

780

780

780

---

y

180

270

320

350

420

450

480

550

550

550

---

z

4-M16

4-M16

4-M16

4-M16

6-Φ23

4-M20

6-Φ28

6-Φ28

6-Φ28

6-Φ28

---

Remarks: Specifications are subject to change without notice.

JH21 SERIES CONFIGURATION

Standard Configuration Wet-type Clutch

Oil pressure overload protective device

(JH21-63-400)Motor-driven slide block adjustment device (H21-63-400)

(JH21-25-45)Manual slider adjustment device (H21-25-45)

Pneumatic grease lubrication device

Slide block and die balancing device

Electronic cam controller

Digital die height indicator (Unit:0. 1mm)

Counter

Frequency control of motor speed

Over-run protective device 

Double solenoid valve 

Programmable controller 

Stationary two-hand control button station 

Coupling for air blowing 

Coupling for air source 

Misfeed detecting circuit 

Inversion set of the main motor 

Operating instruction and precision inspection table

Shockproof of sizing block

Optional Configuration

Slider upper discharge device 

Automatic feeding axis 

Pneumatic die pad device 

Gas liquid mold pad device

220v single phase of the convenience receptacle 

Lighting lamp for die 

Foot switch 

Movable two-hand control button station 

Preset counter 

Safety net 

Foundation bolt 

Quick die change device

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Guangdong Metal Forming Machine Works Co., Ltd.

We are always providing our customers with reliable products and considerate services.

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