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JH21-25

JH21-25

Open-type High-performance Press



Model: JH21-25
Punch force: 250KN
Slide stroke: 80mm
Number of stroke: 100times/min
Table size: 720x400mm

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Product Description

Open-type High-performance Press



Model: JH21-25
Punch force: 250KN
Slide stroke: 80mm
Number of stroke: 100times/min
Table size: 720x400mm



Technical Specification


Model

Unit

JH21-25

JH21-45

JH21-60

JH21-80

Nominal force

KN

250

450

600

800

Stroke of nominal force

mm

3

4

4

5

Stroke of sliding block

mm

80

120

140

160

Number of strokes

times/min

100

80

70

60

Max. height for die loading

mm

250

270

300

320

Adjustment range fro die loading height

mm

50

60

70

80

Distance from slide block centre to the frame

mm

210

225

270

310

Space between columns

mm

450

500

560

620

Bottom surface size of sliding block

mm

360x250

410x340

480x400

540x460

Die handle hole size

mm

40x60

50x60

50x60

50x60

Worktable size

mm

720x400

810x440

870x520

950x600

Worktable material discharge hole size

mm

150x80

150x110

150x130

150x140

Distance from worktable to ground

mm

780

800

900

900

Air cushion pressure

KN

450

45

60

60

Air cushion stroke

mm

50

50

60

60

Power

kw

2.2

5.5

5.5

7.5

Machine dimensions (LxWxH)

mm

1520x1060x2120

1620x1130x2340

1690x1160x2650

1870x1170x2810

Machine weight

kg

2700

3800

5300

6600






Product Details


  • Welded steel plates for the machine body, removed of inner stress, marked with high rigidity.

  • Crankshaft arranged in longitudinal direction, compact structure, beautiful outlook.

  • Hexahedral guide rails of extra length in square shape marked with high precision.

  • Combined type pneumatic friction clutch brake, ensuring steady engagement and low in noise level.

  • Hydraulic overload protection for JH21, rigid protective device for JF21 to prevent damege due to overload in operation.

  • PLC control for the electric circuit, safety duplex valve fro air passages, flexible and sensitive in operation and safe and reliable with the options of single operation, inching and continuous operation, conforming to the safety standard for stamping machines.

  • Pneumatic balance device for slide block to enhance the stability and precision of the machine tool.

  • Automatic thicl oil lubrication for specific points and in specific volumes regularly to ensure sufficient, uniform and reliable lubrication; electrical die adjustment with digital display for 60T and plus.

  • Automatic feeding device and optional electric protective device optional.

  • Optional automatic feeding device, photoelectric protection device, air cushion device etc.






Standard Accessories





Optional Accessories





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