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Home > Machinery and Industrial Parts > General Machinery > Other General Machinery
JH21 series C-frame Single Crank Presses (with fix
JH21 series C-frame Single Crank Presses (with fix

JH21 series C-frame Single Crank Presses (with fix

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Member Details

Yangzhou Metalforming Machine Group Co., Ltd.

China

CCCME Member
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  • Product Details
  • Company Profile

JH21 series C-frame Single Crank Presses (with fixed stroke)

 

C-frame presses, also known as gap frame presses, open frame, or open front presses, consist of a frame shaped roughly like the letter "C,"with a bed at the bottom and a guide and support structure for a moving ram at the top. The frame may be a large casting, or a steel fabrication that is either welded or riveted. The bed, in turn, may be an integral part of the frame, or it may be moveable to adjust the distance between the ram and bed.

The JH21 series C press is with dry clutch and hydraulic overload with steel welded body and good rigidity. This C frame power press has six guide rail sliders, long and high precision, which can prolong its life span.

The crank-shaft is placed vertically, so the structure is compact and the contour is beautiful. It is equipped with combined wet pneumatic friction clutch, so the engagement is smooth, the action is agile and the noise is low.And this crank press is of convenient maintenance. The C frame power press has hydraulic overload protection device which can stop in emergency automatically to enhance the press and die safety for an easy use. This single crank press owns concentrated lubrication system with oil alarm function to ensure that the machine runs smoothly. The high speed press is controlled by LC electric centralized system, with emergency stop, inch, single, continuous operation specification with a drive output shaft, automatic feeding, and air cushion device.

JH21 series open-type press with fixed table

  JH21-25 JH21-45 JH21-60 JH21-80 JH21-110 JH21-125 JH21-160
L S L S L S L S L S L S L S
Nominal capacity kN 250 450 600 800 1100 1250 1600
Nominal power stroke mm 2.8 3.2 4 4.5 5 5 6
Slide stroke mm 80 50 100 70 120 80 140 90 160 100 160 100 180 110
Stroke number variable-speed mode S.P.M 70~100 80~130 60~90 70~110 50~80 60~100 40~75 50~90 35~70 45~80 30~65 45~80 30~55 35~70
Single speed S.P.M 90 110 80 100 70 90 60 80 60 80 55 70 50 60
Maximum die height mm 250 265 270 285 300 320 320 345 350 380 370 400 400 435
Die height adjustment mm 50 60 70 80 90 90 100
Throat depth mm 210 225 270 290 350 370 390
Distance between columns mm 450 500 560 590 680 710 800
Slide bottom size About mm 360 410 480 560 620 620 700
Before and after mm 250 340 400 430 520 520 580
Size of the handle hole Diameter mm φ40 φ50 φ50 φ60 φ70 φ70 φ70
Depth mm 60 60 60 80 80 80 100
Size of table About mm 710 810 870 1000 1100 1120 1260
Before and after mm 400 440 520 560 680 720 760
Thickness mm 85 110 130 130 160 160 165
Hole of the table Diameter mm φ100 φ150 φ150 φ150 φ160 φ160 φ180
Motor power of stepless speed regulation kW 3 5.5 7.5 7.5 11 15 15
Motor power of single speed kW 3 5.5 5.5 7.5 11 11 15
Overall dimensions About mm 950 1080 1200 1385 1419 1480 1573
Before and after mm 1350 1410 1615 1915 2200 2300 2355
Height mm 2160 2300 2570 2820 3190 3220 3375
Total weight kg 3100 4000 6000 7800 11000 13000 14200

 

  JH21-200 JH21-250 JH21-315 JH21-315A JH21-400 JH21-400A JH21-500
L S L S L S L S L S L S L
Nominal capacity kN 2000 2500 3150 3150 4000 4000 5000
Nominal power stroke mm 6 7 8 8 8 8 8
Slide stroke mm 200 130 220 150 250 180 250 180 250 180 250 180 250
Stroke number variable-speed mode S.P.M 25~50 30~60 25~45 30~50 25~40 25~40 25~35 25~35 20~30
Single speed S.P.M 45 50 40 45 35 35 30 30 25
Maximum die height mm 450 485 500 535 550 585 500 535 500 585 500 535 550
Die height adjustment mm 110 110 120 120 120 120 120
Throat depth mm 430 450 480 420 480 420 420
Distance between columns mm 900 950 1050 1000 1050 1000 1220
Slide bottom size About mm 880 930 1000 950 1000 950 1000
Before and after mm 650 700 720 700 720 700 720
Size of the handle hole Diameter mm φ70 φ70 φ70 φ70 φ70 φ70 φ70
Depth mm 100 100 100 100 100 100 100
Size of table About mm 1400 1590 1700 1650 1850 1800 1820
Before and after mm 840 880 940 820 940 820 810
Thickness mm 200 200 200 200 200 200 240
Hole of the table Diameter mm φ200 φ250 φ250 φ250 φ250 φ250 φ250
Motor power of stepless speed regulation kW 22 30 37 37 37 37 55
Motor power of single speed kW 15 22 30 30 37 37 55
Overall dimensions About mm 1630 1750 1950 1900 2200 2150 2250
Before and after mm 2690 2830 3400 3350 3500 3450 3900

Yangzhou Metalforming Machine Group Co., Ltd.

CCCME Member

Location:China
Business Type:
Main Products:Manufacturing & Processing Machinery



Our company’s products cover various kinds of mechanical press machines, including normal crank presses, heavy-duty eccentric gear presses, high-speed precision presses, knuckle presses, and aluminum fin press machines, motor lamination stamping machines, fine blanking machines, powder metallurgy forming machines, hot or cold forging machines, or complete machine lines.

Yangzhou Metal forming Machine Tool Co., Ltd was originally founded in 1958. Now the company has about 1200 employees and 3 factories totally, the head factory is located in the economic development zone of Yangzhou city, Jiangsu Province. It's only about 300 Km from our company to Shanghai Pudong or Hongqiao airport and it is very convenient to visit our company by fast train or by car. In addition, it is only about 100 Km to Nanjing, the capital of Jiangsu Province.

Since 1970s, the company has ever been appointed as one of the professional manufacturers of presses by former mechanical ministry, one of the national high-tech enterprises, one backbone enterprise in CNC sheet metal processing equipment industry base, one pilot enterprise for national technology progress, etc. For decades, the company has also been awarded as AAA credit Grade Company. Moreover, we obtained IS09001 quality system certification early in 1997, and updated ISO9001 certificate (2003 version) in 2003. Now most of our products have met CE certification requirement.

So far, lots of products such as crank press, knuckle press from Yangzhou Metal Forming Machine Tool Co., Ltd. have been widely sold to customers all over the world. With over 50 years development, the company has achieved huge progress and high reputation in the field of metal forming equipment. With the help of advanced technology, excellent facility, powerful productivity and perfect quality, we are dedicated to providing customers with quality products and best service.

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