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 |
Unit |
Specification Contents |
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 - Clutch - Brakes |
|
Air Action Spring Action |
4.6 Friction Plate |
|
None asbestos material, flake |
5. Lubrication System |
|
|
5.1 Circulation Method lubrication Parts 5.2 Intermittent oil way method Lubrication Parts |
|
method of distributing valve
Driven Parts , guide rails
Method of distributing valve Balancer
|
http://www.formapresses.com/