JH21-250T open back power press punching machine

• Customization: Available
• Type: General Punching Machine
• Punch Shape: Open Punch
• Model NO.: JH21-250T
• Slider Drive Mechanism: Cam Press
• Controlling Mode: Artificial
• Automatic Grade: Semiautomatic
• Power Source: Pneumatic
• Precision: High Precision
• Certification: CE, RoHS, ISO 9001
• Condition: New
• Slide block stroke: 200mm
• Transport Package: Steel Pallet
• Specification: force: 250T
• Trademark: HYMT
• Origin: China
• HS Code: 84629910
• Production Capacity: 100 Units/Month

Product Description

JH21 series of pneumatic friction clutch high-performance press
Use: 1. Suitable for various cold stamping process :blanking, punching, molding, bending,  
      pulling and stretching etc.
     2. Widely used in the field of electrical appliances, vehicles, agricultural machinery, tractors,   
mining machinery, hardware and tools, machinery manufacturing, and other industrial
Structure: 1. Welded body with steel plate ,higher stiffness and accuracy.
         2.Adopts longitudinally placed crankshaft, compact structure and handsome
          appearance.
         3. Achieves die height adjustment electrically with digital display.
         4.Slider ,square figure long guide with six frictions and bronze liner ,which is higher   
          precision.                
         5. Adopts combined frication clutch and brake ,engages stably and runs sensitively
         6. Fixed with the slide,the mechanical overload protector will be damaged to protect
          the machine from overloading.
         7.Lift balance cylinder, makes the slider rod balance
Feature:
1. Slider can inch, stop emergency movement, operate safely
2.Safety duplex valve is adopted, and is marked with quick response, ensuring the reliable control of the clutch.
Our services:
1.Standardization of Service "212"
2: response in 2 hours
1: provide solution in 1 day
2: solve complaint in 2 days
2.Installation Service
Installation Services are available with all HYMT machines. We dispatch technician to customer's 
factory for installation and preoperation of machines.
3.Training Service
Our technician is available to your factory and offer training of how to use our machines. As well, you
 may send your technician to our company to learn how to operate machines.
4.Quality Guarantee
We guarantee the quality of machine (e.g. processing speed and working performance is the same as the data of samples making). We sign the agreement with detailed technical data.
We arrange final test before shipment. We run the machine for a few days, and then use customer's materials for test. After making sure machine is the best performance, then make shipments. 

Type Specification		Unit	JH21- 63ton	JH21- 80ton	JH21- 100ton	JH21- 125ton	JH21- 160ton	JH21- 200ton	JH21- 250ton	JH21- 315ton	JH21- 400ton
Nominal force		KN	630	800	1000	1250	1600	2000	2500	3150	4000
Stroke under nominal force		mm	4	4.5	5	5	6	6	6	6	6
Slide block stroke		mm	100	120	140	160	180	200	200	220	220
Number of stroke		times/min	50	50	50	50	45	40	40	38	38
Max die set height		mm	270	300	320	370	400	450	450	500	500
Die set height adjustment		mm	70	80	90	100	110	110	110	120	120
Distance from slide block center to the frame		mm	270	300	350	360	390	430	450	480	480
Workable dimensions(F·B×L·R)		mm	470*750	570*860	650*1000	700*1100	760*1200	840*1400	880*1500	940*1700	940*1850
Dimensions of worktable		mm	Φ160	Φ160	Φ160	Φ160	Φ180	Φ200	Φ250	Φ250	Φ250
Thickness of bolster		mm	80	90	110	120	150	180	180	200	200
Dimensions of slide block(F·B×L·R)		mm	400*480	430*560	480*580	520*620	580*700	650*880	700*930	720*1000	720*1000
Dimensions of slide block(F·B×L·R)		mm	Φ50*60	Φ60*80	Φ65*80	Φ70*80	Φ70*100	Φ70*100	Φ70*100	Φ70*100	Φ70*100
Distance between columns of body		mm	560	590	640	640	660	820	950	1050	1050
Motor	Type		Y132S-4	Y132M-4	Y132M-4	Y160L-6	Y180L-6	Y200L1-6	Y200L2-6	Y250M-6	Y250M-6
	Power	kw	5.5	7.5	7.5	11	15	18.5	22	30	37
Outline dimension(F·B×L·R×H)		mm	1615* 1200 *2570	1915* 1385 *2820	2100*1390 *3000	1900* 1300 *3300	2040*1360 *3300	2370*1600 *3900	2690* 1630 *3900	3400*1950 *4100	3800*2200 *4300
Net weight		kg	5500	7500	8500	9800	13200	19500	22000	34700	43000