JH21series open back press with dry clutch and hydraulic overload protector
Descriptions
--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.
|
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
|
|
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
|
|
JH21-400
|
JH21-400B
|
Capacity
|
kN
|
4000
|
4000
|
Nominal Stroke
|
mm
|
10
|
10
|
Slide Stroke
|
mm
|
200
|
250
|
SPM
|
Fixed
|
min -1
|
25
|
25
|
Variable
|
20-30
|
20-30
|
Max. Die Height
|
mm
|
430
|
550
|
Die Height Adjustment
|
mm
|
120
|
120
|
Between Slide Center & Frame
|
mm
|
420
|
490
|
Bolster (FB×LR)
|
mm
|
760×1400
|
940×1800
|
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.)
|
mm
|
φ320×50×φ280
|
φ320×50×φ280
|
Bolster Thickness
|
mm
|
180
|
200
|
Bolster Opening (Dia./FB×LR)
|
mm
|
440×580
|
440×580
|
Slide Area (FB×LR)
|
mm
|
690×900
|
720×1000
|
Shank Hole (Dia.×Dpth)
|
mm
|
φ70×90
|
φ70×90
|
Between Columns
|
mm
|
960
|
960
|
Main Motor Power
|
kW
|
37
|
37
|
Outline Size (FB×LR×H)
|
mm
|
2830×1680×3890
|
3100×1900×4600
|
Net Weight
|
kg
|
29500
|
34000
|
Warranty and Service
-- One year warranty for whole press.
-- All spare parts are available as we produce most of the parts in our factory.
-- It is easy to get the electric parts as all are international famous brands.
-- We can provide technical support via email, phone or video.
-- We can send out engineers for service, installation or training with reasonable additional cost.
-- English operation and maintenance manual is provided with the press.
-- All safety warning tags and control panels are in English.
Audited Supplier 
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