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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 (FBLR)

mm

300680

400700

440810

580900

5801000

6801150

6801150

Bolster Opening (Up Hole Dia.DpthLow Hole Dia.)

mm

130260

17020150

18030160

20040180

20040180

26050220

26050220

Bolster Thickness

mm

70

80

110

110

120

140

140

Bolster Opening (Dia./FBLR)

mm

200270

260250

300300

390460

390520

420540

420540

Slide Area (FBLR)

mm

270330

300360

340410

400480

420560

500650

540680

Shank Hole (Dia.Dpth)

mm

4060

4060

4060

5080

5080

6080

6080

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 (FBLRH)

mm

115010502050

130010502050

139012002400

158012102520

164012802700

185014503060

185014903060

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 (FBLR)

mm

7401300

7601400

7601400

8001400

8001400

8001400

8801600

Bolster Opening (Up Hole Dia.DpthLow Hole Dia.)

mm

30050260

30050260

30050260

32050280

32050280

32050280

32050280

Bolster Thickness

mm

150

160

160

170

170

170

200

Bolster Opening (Dia./FBLR)

mm

470

470

470

370570

370570

440580

440580

Slide Area (FBLR)

mm

580770

600800

600800

650850

650850

650850

700950

Shank Hole (Dia.Dpth)

mm

6585

6590

6590

7090

7090

7090

7090

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 (FBLRH)

mm

228015503240

250015803320

250015803420

273016403550

277017004060

277016503550

285017004450

Net Weight

kg

14500

17000

17350

23500

24500

25000

28000 

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