Universal high performance presses are widely used in the fields of aeronautics, auto, agriculture machines, electric machines, apparatuses and meters, medical equipments, electrical home appliance and hardware.
1. Welded frame with quality steel which means good rigidity. 2. Square figure long guide with six friction faces makes abrasion resistant and punching precision. 3. Hydraulic overload protector has sensitive response and reliable motion, which can protect the die when overloading 4. Combined pneumatic clutch and brake are made of friction material, which means long service life. 5. Closed gear-driven dipped in lube, which drives stably with low noise. 6. Slide with counter balancer, which will eliminate the clearance and improve the stability and precision. 7. Intermittent auto lubrication makes every point get fine and safe lubrication. Thus, long service life is saved. 8. PLC electric control system is safe and reliable 9. Air cushion, photo guard, auto feeder and speed die changing are optional.
II. Technical Data
ITEM
UNIT
JH21-25
JH21-45
JH21-60
JH21-80
JH21-125
JH21-160
JH21-200
JH21-250
JH21-315
JH21-400
Nominal Capacity
KN
250
450
600
800
1250
1600
2000
2500
3150
4000
Slide Stroke
mm
80
120
140
160
180
200
220
250
250
270
Slide Strokes
Fixed
Times/min
100
80
70
60
50
45
45
30
30
30
Variable(optional)
Times/min
60-100
50-80
45-70
40-60
35-50
30-45
25-45
20-30
20-30
20-30
Max. Die Height
mm
250
270
300
320
350
400
450
500
500
550
Die Height Adjustment
mm
50
60
70
80
90
100
110
120
120
120
Throat Depth
mm
210
225
270
310
350
400
430
450
450
490
Distance Between Uprights
mm
450
515
560
610
670
736
910
980
980
1050
Slide Bottom Size
FB
mm
250
340
400
460
520
580
650
700
700
750
LR
mm
360
410
480
540
620
700
880
950
950
1020
Shank Hole Size
Diameter
mm
40
50
50
50
70
70
70
70
70
70
Depth
mm
65
60
70
65
90
100
100
130
130
130
Bolster Size
FB
mm
400
440
520
600
680
760
840
880
880
950
LR
mm
720
825
930
950
1100
1170
1390
1500
1540
1700
Thickness
mm
80
110
130
140
155
165
180
190
190
210
Bed Opening Hole Diameter
mm
150
150
150
180
200
220
250
270
270
290
Overall Dimensions
FB
mm
1496
1585
1540
1765
2040
2305
2600
2660
2720
2850
LR
mm
945
1075
1200
1200
1320
1420
1540
1640
1680
1750
Height
mm
2120
2391
2570
2725
3035
3215
3800
3865
3865
4150
Motor Power
KW
3
5.5
5.5
7.5
11
15
18.5
22
30
37
III. Our Services
1.) We can send our engineer to your factory and do the training for your workers. You will bear the cost for our engineer's air ticket,visa,accormadation,food and transportations in your country 2.) You can send your workers to our factory. We will teach them how to operate the machine with no training charges 3.) Actually there is another better way to choose. Every machine leaves our factory with one book of operation manual.You can first read through the manual and get familiar with the machine. Then we can video call and teach you on-line how to operate the machine.
Apart from above training course, we also provide 2 year warranty for all the easily broken part of the
IV. Company profile
BOHAI (Shanghai Bohai Machinery Factory) has been manufacturing sheet metal machinery since 1989. We are a privately owned company with a unique culture. We believe that the only way to create jobs is to manufacture quality. This is echoed in our slogan; We provide comprehensive technical support and can provide expert advice at any stage to ensure we fully understand your requirements and the best option.
The Products range includes: WD67Y Series Hydraulic Press Brake WD67K Series NC Press Brake PSK Series Full CNC Press Brake (Hydraulic Crowning) PPBH Series Full CNC Press Brake (Mechanical Crowning) QC12K Series Hydraulic Swing Beam Shear QC11K Series Hydraulic Guillotine Shear W11 Series Mechanical Roll bending machine Punching Machine(J23,JH21 Series) Hydraulic Press HAVC Duct Machinery
Shanghai Bohai Machinery Manufacturing Co., Ltd., which was founded in 1989, is designated as a National High-tech enterprise.
It is one of the best and edest CNC plate processing manufacturer in China, it is also awarded the title of "China Top Brand", and Its products have been popular sold in China and Oversea for many years. It also passed ISO9001 Quality System Certificate and CE Certificate.
The headquarter of the Company is sited in Qianqiao Economic zone, Fengxian District, Shanghai City.
Now, the Company is staffed with 100 employees, among them there are 6 senior engineers, 5 technicians.
The Company boasts to have its own R&D facilities, the strongest R&D capabilities in China.
The people at Bohai have a long solid history of producing the most advanced machine tools in the business. They bring years of experience to the operation, and can make sure that the machine leaving the factory lives up to the highest expectations.
As the parent company, The company has 2 subsidiary companies under its control, namly, Shanghai Wanjiao Machine Tools Manufacture Co., Ltd, Maanshan Huayu Machine Tools Co., Ltd.
The Group Company is dedicated to the research and development, production and sales of plate processing machine including shearing, bending, rolling, etc., which are widely used in airspace, automobiles, metal works and various other fields, and have been exported to dozens of countries and regions in Europe, America and Southeast Asia.
Please enjoy our website and feel free to look over our great machines. We hope you will join the satisfied customers who own BOHAI machine, because we know you are our future.