C Frame Crank Type Power Press

Prod Model:	JH21-60
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
C Frame Crank Type Power Press:	25ton to 400ton
Power:	380V/50Hz/3phase
Delivery Time:	30 Days
Clutch:	Wet
Type:	General Punching Machine
Controlling Mode:	Artificial
Automatic Grade:	Semiautomatic
Power Source:	Mechanical Drive
Precision:	High Precision

Product Description

c frame crank type power press

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.
- JH21 c frame single crank press, capacity from 25ton to 400ton.
- JH31 semi-straight side single crank press, capacity from 110ton to 400ton.
- JW31 H frame single crank press, capacity from 110ton to 400ton.
- JH25 c frame double crank press, capacity from 110ton to 315ton.
- JW36 H frame double crank press, capacity from 110ton to 500ton.
- JX36 close type big table press with double crank, capacity from 400ton to 1000ton.
- JS36 close type gear press, capacity from 300ton to 1250ton.
- JS31 close type gear press, capacity from 160ton to 1000ton.
-  hydraulic shearing machine
-  hydraulic press brake and cnc press brake

Specifications of JH21 power press:

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	Forward - Rear	mm	250	340	400	460	520	580	650	700	700	750
	Left - Right	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	Forward - Rear	mm	400	440	520	600	680	760	840	880	880	950
	Left - Right	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	Forward -Rear	mm	1496	1585	1540	1765	2040	2305	2600	2660	2720	2850
	Left - Right	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
Weight(approximate)		kg	2450	3550	5150	6450	9550	13600	19200	23200	26600	31600