Details: 1.The JH21 C-frame single crank press is suitable to process the lightweight and thin materials through blanking,piercing, bending, forming, interlink with ROT line or transfer unit.Suitable for single and progressive die application, and it owns the capacity ranging from 25 ton to 400 ton. 2.The press use high torque and low noise wet clutch and brake. 3.The steel welded body ensures rigid frame with less deflection. 4.High accuracy transmission gears and high rigidity crank ensure press long life and accuracy. 5.Forced lubrication system with default monitor ensures the operation reliability. 6.User-friendly design and all-function electric control system enable the accessories to attach easily FEATURES: 1.Steel welded body, tempering treatment or VSR(Vibratory Stress Relief), high rigidity, accuracy and stability; 2.Pneumatic dual balance cylinders, which balance the slide and punch weight to reduce noise and impact; 3.The crankshaft undergoes gringding treatment after high frequency quenching; 4.Lengthened six-face rectangle guide with a surface of bronze plate; 5.Vertical located crankshaft, compact structure; 6.PLC control and imported safety duplex valve; 7.Wet type combined multi discs friction clutch and brake;Hydraulic overload protecting pump.
Specifications of JH21 Series C-frame Fixed Bolster Press
Parameter
Unit
JH21- 25
JH21- 45
JH21- 60
JH21- 80
JH21- 100
JH21- 125
JH21- 160
JH21- 200
JH21- 250
JH21- 315
JH21-400
Nominal Capacity
KN
250
450
600
800
1000
1250
1600
2000
2500
3150
4000
Nominal Stroke
Mm
3
4
4
5
5
6
6
6
6.5
7
8
Slide Stroke Length
S
Mm
80
120
140
160
160
180
200
220
220
220
250
H
Mm
50
70
80
100
100
110
130
150
160
160
180
Slide Stroke
Fixed
S
Times /min
100
80
70
60
55
50
45
45
30
30
30
H
125
95
90
80
80
70
60
50
45
45
40
Variable
S
Times /min
60-120
50-95
45-85
40-75
35-65
35-60
30-55
30-55
20-35
20-35
20-35
H
75-150
65-115
60-110
55-95
55-95
50-85
40-70
35-60
30-55
30-55
30-50
Max.Die Set Height
S
Mm
250
270
300
320
335
350
400
450
500
500
550
H
265
295
330
350
365
385
435
485
530
530
585
Die Height Adjustment
Mm
50
60
70
80
90
90
100
110
120
120
120
Throat Depth
Mm
210
225
270
310
330
350
400
430
450
450
490
Distance Between Uprights
Mm
450
515
560
610
670
670
736
910
980
980
1050
Slide Bottom Size
L x R
Mm
360
410
480
540
620
620
700
880
950
950
1020
F x B
Mm
250
340
400
460
520
520
580
650
700
700
750
Handle Hole Size
Dia
Mm
40
50
50
50
70
70
70
70
70
70
70
Depth
Mm
65
60
70
65
90
90
100
100
130
130
130
Bolster Size
L x R
Mm
720
825
930
950
1060
1100
1175
1390
1500
1540
1700
F x B
Mm
400
440
520
600
640
680
760
840
880
880
950
Bolster Thickness
Mm
80
110
130
140
145
155
165
180
190
190
210
Table Hole Diameter
Mm
150
150
150
180
180
200
220
240
260
260
280
Bolster Surface Height
Mm
780
800
900
900
900
900
900
1000
1000
1000
1100
Overall Size
F x B
Mm
1500
1585
1540
1765
2000
2040
2305
2600
2660
2720
2850
L x R
Mm
945
1075
1200
1200
1300
1320
1420
1540
1640
1680
1750
H
Mm
2120
2390
2570
2725
3010
3035
3215
3800
3850
3850
4140
Distance between Foundation bolts
F x B
Mm
980
1075
1100
1210
1365
1430
1665
2020
2100
2140
2185
L x R
Mm
690
760
840
920
1020
1040
1140
1360
1460
1500
1570
Motor Power
Kw
3
5.5
5.5
7.5
7.5
11
15
18.5
22
30
37
Weight
Kg
2450
3550
5150
6450
8650
9550
13600
19200
23200
26600
29500
Press Pressure
Mpa
0.5
Standard Equipments:
Optional Equipments:
1) High Performance Wet clutch (Adopt advanced Japanese technology)
1) Light curtain
2) PLC
2) Foot pedal
3) Hydraulic overload protecting pump
3) Die cushion
4) Touch screen
4) Inverter
5) Cam controller
5) Variable speed motor
6) Die height adjusted motor (JH21-60 and upon models)
6) Auto feed shaft
7) Auto lubrication system
7) Die quick change device
8) Manual lubrication system
9) Double hand control panel
10) Electronic crankshaft angle indicator
11) Predetermined counter
12) Balance cylinders for slide and upper die
13) Work light
14) Joint for air
15) Joint for miss-feeding
16) Absorbing pads
Boutique Accessories: Our Equipment : Advanced Technological Power : World (Shanghai) R&D center cooperate with the professional companies in USA, Germany, France, Japan, Sweden and the colleges and universities in china so as to develop and perfect the products with superb technique promptly. Additionally, authority organization in the field supervises the quality from the parts to the whole machine.Professional team with craft design and assembly ensures the accuracy of parts. We establish R&D center in Shanghai to welcome more excellent talents and develop new craft. Jinan forging and welding bureau, Shanghai press machine supervision station monitor the quality of parts;The team of professional craft design and manufacture ensure the accuracy of parts based on the excellent craft. After Service: In this world, people cooperate with WORLD customers every day.The quality of WORLD products is facing test and they are endowed with great mission. World thinks quality service is not only simple maintenance.Our service engineers not only find problem for taking action in advance but also advise how to use the machine more properly and carefully. Worldwide service network and convenient service show the strong responsibility and sense of historical mission.
To all of our customers: Our best greeting is given to the esteemed customers of World Precise Machinery (Jiangsu) Co.Ltd. We appreciate that you purchase our presses of varieties of types.We produce about 30 series of presses including300 types of big, intermediate and small presses, such as ordinary numerically controlled guillotine shear, ordinary numerically controlled bending machine, full numerically controlled bending machine, numerically controlled turret punching-machine and varieties of types of oil hydraulic presses. Guaranty: If you purchase our product, we promise that the length of warranty for mechanical part is one year and the length of warranty for electrical part is one year and the length of warranty for electrical part is half one year.
Marketing Service Center Headquarters of World Precise Machinery (Jiangsu) Co.Ltd. Mail :[email protected]
World precise machinery group (hereinafter refers to world precise machinery) establishes in 1953 which is located in Shanghai economic zoom., world precise machinery is the beginning of the first five years planning of China, is one of the oldest and most professional manufacture of punching equipments. After listing in Singapore market, world's products are paid great attention with high quality and superb technique.
World precise machinery group optimized and merged in 2016, including subsidiaries as world precise machinery and world Shenyang. In the headquarter of the group, there are press technical R&D center, numerical control technical center, heavy tools technical center. Additionally, there is a conventional R&D center in Shanghai which can cooperate with the professional companies in USA, Germany, France, Japan, Sweden and the colleges and universities in China so that develop and perfect the products with superb technology. World's products contain all the products of Shanghai press machine factory, Shanghai second press machine factory and Shanghai press and shearing machine factory. It includes 30 series 300 types of products such as all types of presses, shearing machines, bending machines and punching machines. They are widely applied in the fields of space, automobile manufacture, communications and computers. WORLD Precise Machinery has established sales network and service organizations in large and medium-sized cities across the country, and the products are even exported to Southeast Asia, Europe, South America and South Africa. It is the forging equipment manufacturer with the largest scale, most kinds, and widest sales service network in the industry.
Industry is the base of a strong country. World precise machinery is endowed with this great mission since its establishment. As Chinese industry is developing day by day, world precise machinery is with the same step of world economy and sets goals:
The manufacture base with strong competitive power;
