Product details
JH21 series open back stamping press with hydraulic overload protector
Dry clutch & Wet Clutch Both Available
Descriptions
--Welded body with steel plate and high intensity.
--Main motor is made by Siemens.
--Adopts combined pneumatic friction clutch and brake.
And wet clutch with excellent performance can also be configured based on clients’ actual requirements
--Gear pairs: oil bath lubrication.
--Six-face rectangle lengthened guide rail; JH21-315B/400B adopts eight-face lengthened 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.
--Imported dual solenoid valve.
--Electric grease forced lubrication system.
--Balancing cylinder adopts manual lubrication system.
--One set of blowing device.
--Controlled by PLC with international brand.
--Integrated interface(electrical cam included)
--Buttons, indicators, AC contactors, air circuit breakers and other controlling devices are imported from international brand.
--Equipped with optional wet clutch, air cushion device, automatic feed shaft and photoelectric protector, which can used to work with various automatic equipments.
Main Specifications
ITEM |
CODE |
UNIT |
JH21-25 |
JH21-45 |
JH21-60 |
JH21-80 |
JH21-125 | |
Nominal Capacity |
Pe |
KN |
250 |
450 |
600 |
800 |
1250 | |
Slide Stroke |
S |
mm |
80 |
120 |
140 |
160 |
180 | |
Slide Strokes |
Fixed |
spm |
Times/min |
100 |
100 |
80 |
70 |
50 |
Variable(optional) |
spm |
Times/min |
60-100 |
50-80 |
45-70 |
40-60 |
35-50 | |
Max. Die Shut Height |
H2 |
mm |
250 |
270 |
300 |
320 |
350 | |
Die Shut Height Adjustment |
t |
mm |
50 |
60 |
70 |
80 |
90 | |
Throat Depth |
C1 |
mm |
210 |
225 |
270 |
310 |
350 | |
Distance Between Columns |
d1 |
mm |
450 |
515 |
560 |
610 |
670 | |
Slide Bottom Size |
F-B |
b |
mm |
250 |
340 |
400 |
460 |
520 |
L-R |
a |
mm |
360 |
410 |
480 |
540 |
620 | |
Shank Hole Size |
Diameter |
d |
mm |
40 |
50 |
50 |
50 |
70 |
Depth |
I |
mm |
65 |
60 |
70 |
65 |
90 | |
Bolster Size |
F-B |
D |
mm |
400 |
440 |
520 |
600 |
680 |
L-R |
C |
mm |
720 |
825 |
930 |
950 |
1100 | |
Thickness |
H3 |
mm |
80 |
110 |
130 |
140 |
155 | |
Bed Opening Hole Diameter |
¢ |
mm |
150 |
150 |
150 |
180 |
200 | |
Overall Dimensions |
F-B |
A |
mm |
1496 |
1585 |
1540 |
1765 |
2040 |
L-R |
B |
mm |
945 |
1075 |
1200 |
1200 |
1320 | |
Height |
H |
mm |
2120 |
2391 |
2570 |
2725 |
3035 | |
Motor Power |
KW |
3 |
5.5 |
5.5 |
7.5 |
11 | ||
Weight(approximate) |
kg |
2450 |
3550 |
5150 |
6450 |
9550 | ||
ITEM |
CODE |
UNIT |
JH21-160 |
JH21-200 |
JH21-250 |
JH21-315 |
JH21-400 | |
Nominal Capacity |
Pe |
KN |
1600 |
2000 |
2500 |
3150 |
4000 | |
Slide Stroke |
S |
mm |
200 |
220 |
220 |
220 |
250 | |
Slide Strokes |
Fixed |
spm |
Times/min |
45 |
45 |
30 |
30 |
30 |
Variable(optional) |
spm |
Times/min |
30-45 |
25-45 |
20-30 |
20-30 |
20-30 | |
Max. Die Shut Height |
H2 |
mm |
400 |
450 |
500 |
550 |
550 | |
Die Shut Height Adjustment |
t |
mm |
110 |
110 |
120 |
120 |
120 | |
Throat Depth |
C1 |
mm |
400 |
430 |
450 |
450 |
490 | |
Distance Between Columns |
d1 |
mm |
736 |
910 |
980 |
980 |
1050 | |
Slide Bottom Size |
F-B |
b |
mm |
580 |
650 |
700 |
700 |
750 |
L-R |
a |
mm |
700 |
880 |
950 |
950 |
1020 | |
Shank Hole Size |
Diameter |
d |
mm |
70 |
70 |
70 |
70 |
70 |
Depth |
I |
mm |
100 |
100 |
130 |
130 |
130 | |
Bolster Size |
F-B Single crank power press |
D |
mm |
760 |
840 |
880 |
880 |
950 |
L-R |
C |
mm |
1175 |
1390 |
1500 |
1540 |
1700 | |
Thickness |
H3 |
mm |
165 |
180 |
190 |
190 |
210 | |
Bed Opening Hole Diameter |
¢ |
mm |
220 |
250 |
270 |
270 |
290 | |
Overall Dimensions |
F-B |
A |
mm |
2305 |
2600 |
2660 |
2720 |
2850 |
L-R |
B |
mm |
1420 |
1540 |
1640 |
1680 |
1750 | |
Height |
H |
mm |
3215 |
3800 |
3865 |
3865 |
4150 | |
Motor Power |
KW |
15 |
18.5 |
22 |
30 |
37 | ||
Weight(approximate) |
kg |
13600 |
19200 |
23200 |
26600 |
31600 |
Main Components List
Electric & Pneumatic Components |
Items |
Brand or Country of Original | |
Main motor | Made in China | ||
Disk motor | Made in China | ||
PLC | Omron (Japan) | ||
Dual solenoid valve | Taco (Japan) or Ross (USA) | ||
Contactor | Made by Schneider (French) | ||
Buttons and indicating light | Made by Schneider (French) | ||
Cam switch | Made in China | ||
Seals |
Balance cylinder seals |
Made in Taiwan | |
Other Seals | Made in Taiwan | ||
Oil Circuit |
Auto grease pump |
IHI (Japan) |
Yangzhou |
Mechanical Parts |
Machine main body |
Steel welded (anneal or vibration age) |
Yangzhou |
Work table |
Cast Iron HT250 (anneal) |
Yangzhou | |
Crank shaft |
Alloy steel forging 40Cr |
Yangzhou | |
Fly wheel |
Cast Iron HT250 (anneal) |
Yangzhou | |
Main Gear |
Cast steel ZG45 (normalizing) |
Yangzhou | |
Clutch brake |
Dry pneumatic clutch |
Ompi (Italy) | |
Over load protector | Kingair(Taiwan ) | ||
Slide |
Cast Iron HT250 (anneal) |
Yangzhou | |
Connecting rod |
Nodular cast iron (normalizing) |
Yangzhou | |
Ball screw |
Alloy steel forging 40Cr |
Yangzhou | |
Balance cylinder | Made in China |
Item |
|
|
1.Slider Balancer |
||
1.1 Maximum balance air pressure |
5.0 kg/cm2 |
|
1.2 Air Pressures Adjustment Method |
Pressure valve operation (manual) |
|
2.Slider Adjustment Device |
||
2.1 Adjusting Method |
Slider Motor Driven |
|
2.2 Adjusting Speed |
about 50 mm/min |
|
2.3 Operation Method |
Button Operation (manual ) |
|
2.4 Show Method |
Electronic digits display 0.1mm |
|
3. Overload Protection Device |
||
3.1 Model |
Oil discharge load |
|
3.2 overload cylinder stroke |
mm |
10mm |
3.3 overload return time |
sec |
Maximum 60 sec |
4. Clutch brake |
||
4.1 Model |
Dry pneumatic |
|
4.2 Structure |
Integrated |
|
4.3 Control Method |
Double-loop control |
|
4.4 Solenoid Valve |
Double solenoid valve |
|
4.5 Action Method |
Air Action |
|
4.6 Friction Plate |
None asbestos material, flake |
|
5. Lubrication System |
||
5.1 Circulation Method |
method of distributing valve Driven Parts , guide rails Method of distributing valve |
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