Punch Press JH21 SERIES
JH21 SERIES OPEN BACK PRESS FEATURES:
JH21 series open back press with dry clutch and hydraulic overload protector
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.
H21-45 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.
SPECIFICATIONS:
|
MODEL |
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 |
|
