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open type one point pressjh21-22

Punching Machine

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Open-type One-point Press(JH21)

Adopting dry or wet pneumatic friction clutch brakes, the action is sensitive and reliable.

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Product features

-Adopting dry or wet pneumatic friction clutch brakes, the action is sensitive and reliable.

-The welded steel plate body has good rigidity and stable accuracy.

-Precision grinding of large gears and gear shafts, resulting in low operating noise of machine tools.

-The slider six sided guide rail is equipped with an air pressure balancing device, ensuring smooth operation and accurate accuracy.

-Using hydraulic overload protection device to efectively protect the press and mold.

-The use of PLC control with automatic feeding device can form a single machine automated or multi machine automated stamping production line.travel, which are more suitable for stamping process requirements and improving.

-In addition to constant speed, this model has two options for continuously variable production efciency.

Technical parameter

Model

JH21-

25

JH21-

45

JH21-

60

JH21-

80

JH21-

125

JH21-

160

JH21-

200

JH21-

250

JH21-

315

JH21-

400

JH21-

500

Nominal pressure of slider

KN

250

450

600

800

1250

1600

2000

2500

3150

4000

5000

Nominal pressure of slider

mm

2.8/2

3.2/2

4/2.5

4.5/2.5

5/3

6/3.5

7/3.5

7/4

7/4

8/4.5

8

Slide stroke

mm

80/50

3.2/2

140/80

160/90

180/100

200/120

250/130

250/150

250/150

280/180

280

Number of trips

fixed

100

80

70

60

65

45

45

40

40

35

25

variable

L

60-100

50-80

40-70

40-60

35-65

25-45

25-45

25-40

20-40

20-35

/

S

80-140

70/130

60-110

55-100

50-95

40-75

35-60

30-55

30-55

30-50

/

Maximum enclosed height

mm

250/265

270/300

300/330

320/355

350/390

400/440

450/510

500/550

500/550

530/580

550

Maximum enclosed height

mm

50

60

70

80

90

100

110

120

120

120

120

Maximum enclosed height

mm

210

225

270

310

350

390

430

450

450

480

480

Workbench
size

about

mm

700

810

870

950

1100

1170

1390

1500

1540

1700

1800

around

mm

400

440

520

600

680

760

840

880

880

940

940

thickness

mm

80

110

130

140

155

165

180

190

190

200

250

Bottom of
slider

about

mm

360

410

480

540

620

700

880

950

950

1000

1000

around

mm

250

340

400

460

520

580

650

700

700

750

750


Shank hole
size

diameter

mm

40

50

50

50

70

70

70

70

70

70

70

depth

mm

60

60

70

70

80

100

100

100

100

100

100


Anchor
spiral
distance

about

mm

690

745

840

920

1040

1140

1360

1460

1500

1550

1650

around

mm

1080

1190

1100

1235

1510

1660

2020

2150

2320

2500

2585

External
dimensions

about

mm

830

1075

1200

1280

1220

1375

1690

1680

1720

1790

1770

around

mm

1390

1675

1685

1990

2125

2355

2580

2820

3060

3150

3105

high

mm

2120

2391

2560

2725

3055

3215

3810

3915

3957

4320

4325

gasbag

Ejection ability

KN

-

23

35

63

80

100

140

140

140

140

140

stroke

mm

-

60

70

80

90

100

100

100

100

100

100

Roof area

mm

-

300*220

350*220

410*220

460*340

540*420

560*420

560*420

560*420

560*420

560*420

Motor power(fixed/variable)

KW

2.2-4P

5.5-4P

5.5-4P

7.5-4P

7.5-4P

15-4P

15-4P

22-4P

30-4P

37-6P

37-4P

weight

Kg

2600

3500

5500

7500

11000

15200

20500

23500

30000

35000

45000

Using air pressure

Mpa

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

Standard accessories /Optional accessories

Standard accessories

Standard

Optional accessories

Standard

Hydraulic Overload Protection Device

Air Cushion Die Pad Device

Die Height Adjustment Device (Manual for ≤45T, Electric for ≥60T)

Photoelectric Safety Protection Device

Die Height Indicator (Mechanical for ≤45T, Digital Display for ≥60T)

Electronic Cam Control System (Standard for ≥250T)

Slide and Die Balancing Device

Portable Two-hand Control Box (Standard for ≥250T)

Air Blow-off Device

Automatic Feed Output Shaft

Anti-vibration Pad

Wet Clutch

Dry Clutch

Double Stroke Prevention Device

Automatic Lubrication System

Frequency Variety Adjustment Device (Variable Frequency Drive or Speed-regulating Motor)

Work Counter

Preset Counter

Rotary Cam Controller

Portable Electric Control Cabinet (Standard for ≥250T)

Crank Angle Indicator

Foot Pedal Switch

Knockout Device

Automatic Feeder

Die Lighting Device

Quick Die Change Device

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