C Frame Press

Features

1. The body of the our C frame press is welded by steel plates that have been subjected to tempering technique, so the machine is highly stable and precise.
2. The lengthened six-side rail is adopted for this press machine. The rails are highly anti-wear and precise.
3. The premium overload protection device is sensitive, reliable, and effective.
4. The enclosed bevel wheel of the JH21 series C frame press works stably, and the noise it quite small.
5. The wet clutch is adopted. It can work steadily and produce little noise. Besides, little maintenance is needed.
6. In our JH21 series C frame press, the sliding block is used to connect the pneumatic twin cylinder and thus the sliding block and the upper die can keep balance. Besides, the noise is reduced, and the gap between the connecting rod and sliding block is eliminated. Accordingly, the impact and abrasion that some important components suffered are also greatly reduced.
7. The PLC controlling system of the JH21 series C frame press is quite reliable. As a high precision pneumatic press, this metalworking machine comes with a pneumatic system, which is controlled by a duplex electromagnetic valve. Thus the machine can acquire the inching property, and press individually or continuously.
8. The key components like pneumatic component, electronic components, sealing elements, and buttons are all imported from widely recognized companies.
9. The optional properties of our JH21 series C frame press include air cushion, photoelectric protection, automatic feed, stepless speed control, quick change of die, and so on.

Standard configuration

1. High performance wet clutch
2. Hydraulic overload protection pump
3. Electric lubricating system
4. Manual lubricating system
5. The balancing cylinder is adopted in our JH21 series C frame press for keeping slide and upper die balance.
6. Interface for the feed fault detector
7. Touch screen
8. Electronic crank shaft angle indicator
9. Cam controller
10. Electronic sliding block adjusting device
11. PLC (program logical controller)
12. Material cast off device
13. Quick joint for air
14. Cushioning pad
15. Work lamp
16. Interface for the pneumatic material removing device
17. Second protection
18. Predetermined counter

Optional device

1. Dry clutch
2. Air cushion
3. Photoelectric curtain
4. Die quick change device
5. Foot pedal type switch
6. Auto-feeding shaft
7. Motor speed controller with variable frequency drive Technical parameter

Parameter				Code		Unit		JH21-25		JH21-45		JH21-60		JH21-80		JH21-125		JH21-160		JH21-200		JH21-250		JH21-315		JH21-400
Nominal capacity				Pe		KN		250		450		600		800		1250		1600		2000		2500		3150		4000
Nominal pressure stroke				Sp		mm		3		4		4		5		6		6		6		6		7		8
Nominal slide stoke				S		mm		80		120		140		160		180		200		250		250		250		270
Slide strokes speed	Fixed				n		Times /min		100		80		70		60		50		45		45		30		30		30
	Variable								60-100		50-80		45-70		40-60		35-50		30-45		25-45		20-30		20-30		20-30
Maximum die set height				H2		mm		250		270		300		320		350		400		450		500		500		550
Die height adjustment				t		mm		50		60		70		80		90		100		110		120		120		120
Throat depth				C1		mm		210		225		270		310		350		390		430		450		450		490
Distance between posts				d1		mm		450		500		560		620		680		720		900		980		980		1050
Slide bottom size	Left-Right				a		mm		360		410		480		540		620		700		880		950		950		1020
	Front-Back				b		mm		250		340		400		460		520		580		650		700		700		750
Stemhole size	Diameter				d		mm		40		50		50		50		70		70		70		70		70		70
	Depth				I		mm		65		60		70		65		90		100		100		130		130		130
Working table size	Left-Right				C		mm		720		810		920		950		1070		1170		1390		1500		1540		1700
	Front-Back				D		mm		400		440		520		600		680		760		840		880		880		950
Working table thickness				H3		mm		80		110		130		140		155		165		180		190		190		290
Working table surface height				H1		mm		780		800		900		900		900		900		920		920		1000		1100
Dimensions	Front-Back				A		mm		1346		1435		1540		1765		2040		2305		2690		2660		2720		2850
	Left-Right				B		mm		945		1075		1200		1200		1320		1420		1540		1640		1680		1750
	Height				H		mm		2120		2391		2570		2725		3035		3215		3810		3785		3865		4150
Distance Between Foundation Bolts	Front-Back				a1		mm		830		950		1100		1210		1510		1670		2020		2150		2140		2185
	Left-Right				b1		mm		690		745		840		920		1040		1140		1360		1460		1500		1570
Motor Power	Power						KW		3		5.5		5.5		7.5		11		15		18.5		22		30		37
Approx. weight						KG		2380		3500		5150		7950		10350		15400		20500		23600		27600		2950

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