Jh21-60 Open Back C Frame Automatic Punching Machine

• Customization: Available
• After-sales Service: Available
• Warranty: One Year
• Model NO.: JH21-60
• Type: General Punching Machine
• Punch Shape: Open Punch
• Slider Movement: Single Action
• Slider Drive Mechanism: Crank Press
• Controlling Mode: Artificial
• Automatic Grade: Automatic
• Power Source: Mechanical Drive
• Precision: High Precision
• Certification: GS, CE, RoHS, ISO 9001
• Condition: New
• Power Press: C Frame Mechanical Power Press
• Control System: PLC with Interface
• Clutch Type: Wet Type Pneumatic Clutch
• Lubrication System: Automatic Grease Pump
• Overload System: Hydraulic Overload Protection
• Press Color: Grey or Customized
• Transport Package: Steel Pallet
• Specification: press capacity from 25 tons to 400 tons
• Trademark: WORLD
• Origin: China
• HS Code: 84629910
• Production Capacity: 2000PCS

Product Description

JH21-60 open back c frame automatic punching machine

World brand C frame pneumaitc power press, tonnage range from 25ton to 400ton. This c frame press adopts steel plate welded body. Welding parts are all anealing treatment. JH21 pneumatic press has hydraulic overload protection system. The wet type pneumaitc clutch is easier for maintenance. And the noise is smaller.

C frame mechanical power press is widely used for sheet metal stamping, piercing, trimming and bending process. The power press could work with single punch die and progressive die to produce home appliance parts, tv brackets, auto parts, utensils and similar stamping parts. The press could work with NC feeder decoiler system to act as an automatic press line.

Features:
1. Steel welded body, tempering treatment, high rigidity, accuracy and stability;
2. Vertical located crankshaft, compact structure;
3. The crankshaft undergoes grinding treatment after high frequency quenching;
4. Lengthened rectangular guideway with a surface of bronze plate;
5. Pneumatic dual balance cylinder, which balances the slide block and punch weight to reduce noise and impact;
6. PLC control and imported safety dual valve;
7. Wet clutch and hydraulic overload protector.
8. CE certificate



Details:
1. Steel plate welded c frame body, heat treatment, produced by cnc boring and milling center, high rigidity and precission
2. Wet type pneumatic clutch with safety solenoid valve, lower noise and longer service life.
3. Best quality gears, bushes, cylinders, link rods and ball screw ensure the high performance, high reliability and longer service life.
4. Hydraulic overload protected system is standard equipped. The press will stop with oil pressure release if overload to protect the press and the die. It is easy to reset to normal status.
5. PLC control, Omron or Panasonic brand, high quality with global warranty.
6. Double hands control buttons, touch screen control panel, cam controller with encoder.
7. Slide adjust motor is equipped on the back of the slide. This position is better to protect the motor and the press is more compact in this way. The slide is motorized adjusted with digital displayer.
8. Center auto grease lubrication system is standard equipped and the lubrication frequency can be setted with the touchscreen. In the meanwhile, manual thin oil lubrication system is equipped too.













Options:                                                                                                Quality certificate:
- light curtain for safety                                                                       - ISO 9001
- inverter for adjustable stroke speed                                                - CE
- variable speed motor for adjustable stroke speed                         - SGS inspection if needed
- cushion
- hydraulic die quick change device

Warranty and service:
- one year warranty for whole press.
- all spare parts are available as we produce most of the parts in our factory.
- it is easy to get the electric parts as all are international famous brands.
- we can provide technical support via email, phone or video.
- we can send out engineers for service, installation or training with reasonable additional cost.
- English operation and maintenance manual is provided with the press.
- All safety warning tags and control panels are in English.

Our products range:
- J23 and JH23 inclinable eccentric press, capacity from 6.3ton to 125ton.
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- JH31 semi-straight side single crank press, capacity from 110ton to 400ton.
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Specifications: Eccentric metal stamping Punching Power Press Machine

ITEM		CODE	UNIT	JH21-60
Nominal Capacity		Pe	KN	600
Slide Stroke Length		S	mm	140
Slide Strokes	Fixed		spm	70
	Variable(optional)		spm	45-85
Max. Die Shut Height		H2	mm	300
Die Shut Height Adjustment		t	mm	70
Throat Depth		C1	mm	270
Distance Between Uprights		d1	mm	560
Slide Bottom Size	FB	b	mm	400
	LR	a	mm	480
Shank Hole Size	Diameter	d	mm	50
	Depth	I	mm	70
Table Size	FB	D	mm	520
	LR	C	mm	930
	Thickness	H3	mm	130
Table Hole Diameter		¢	mm	150
Overall Dimensions	FB	A	mm	1540
	LR	B	mm	1200
	Height	H	mm	2570
Motor Power			KW	5.5
Weight(approximate)			kg	5150