Open Back Power Press for Sale

Prod Model:	JH21
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Brand New Power Press:	25ton to 400ton
Power:	380V/50Hz/3phase
Delivery Time:	30 Days
Quality Certificate:	ISO 9001
Options:	Light Curtain for Safety
Warranty:	One Year
Slide Stroke:	80-270mm
Max. Die Height:	250-550mm
Throat Depth:	210-490mm
Distance Between Uprights:	450-1090mm
Type:	General Punching Machine
Controlling Mode:	Artificial
Automatic Grade:	Semiautomatic
Power Source:	Mechanical Drive
Precision:	High Precision

Product Description

Open Back Power Press for Sale
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.




Quality certificate:
- ISO 9001
- CE
- SGS inspection if needed

Options
- light curtain for safety                                                                      
- inverter for adjustable stroke speed                                           
- variable speed motor for adjustable stroke speed                 
- 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: www.worldpowerpress.com

- 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		CODE	UNIT	JH21-25	JH21-45	JH21-60	JH21-80	JH21-125
Nominal Capacity		Pe	KN	250	450	600	800	1250
Slide Stroke		S	mm	80	120	140	160	180
Slide Strokes	Fixed	spm	Times/min	100	80	70	60	50
	Variable(optional)	spm	Times/min	60-100	50-80	45-70	40-60	35-50
Max. Die Shut Height		H2	mm	250	270	300	320	350
Die Shut Height Adjustment		t	mm	50	60	70	80	90
Throat Depth		C1	mm	210	225	270	310	350
Distance Between Columns		d1	mm	450	515	560	610	670
Slide Bottom Size	F-B	b	mm	250	340	400	460	520
	L-R	a	mm	360	410	480	540	620
Shank Hole Size	Diameter	d	mm	40	50	50	50	70
	Depth	I	mm	65	60	70	65	90
Bolster Size	F-B	D	mm	400	440	520	600	680
	L-R	C	mm	720	825	930	950	1100
	Thickness	H3	mm	80	110	130	140	155
Bed Opening Hole Diameter		¢	mm	150	150	150	180	200
Overall Dimensions	F-B	A	mm	1496	1585	1540	1765	2040
	L-R	B	mm	945	1075	1200	1200	1320
	Height	H	mm	2120	2391	2570	2725	3035
Motor Power			KW	3	5.5	5.5	7.5	11
Weight(approximate)			kg	2450	3550	5150	6450	9550
ITEM		CODE	UNIT	JH21-160	JH21-200	JH21-250	JH21-315	JH21-400
Nominal Capacity		Pe	KN	1600	2000	2500	3150	4000
Slide Stroke		S	mm	200	220	220	220	250
Slide Strokes	Fixed	spm	Times/min	45	45	30	30	30
	Variable(optional)	spm	Times/min	30-45	25-45	20-30	20-30	20-30
Max. Die Shut Height		H2	mm	400	450	500	500	550
Die Shut Height Adjustment		t	mm	100	110	120	120	120
Throat Depth		C1	mm	400	430	450	450	490
Distance Between Columns		d1	mm	736	910	980	980	1050
Slide Bottom Size	F-B	b	mm	580	650	700	700	750
	L-R	a	mm	700	880	950	950	1020
Shank Hole Size	Diameter	d	mm	70	70	70	70	70
	Depth	I	mm	100	100	130	130	130
Bolster Size	F-B Single crank power press	D	mm	760	840	880	880	950
	L-R	C	mm	1175	1390	1500	1540	1700
	Thickness	H3	mm	165	180	190	190	210
Bed Opening Hole Diameter		¢	mm	220	250	270	270	290
Overall Dimensions	F-B	A	mm	2305	2600	2660	2720	2850
	L-R	B	mm	1420	1540	1640	1680	1750
	Height	H	mm	3215	3800	3865	3865	4150
Motor Power			KW	15	18.5	22	30	37
Weight(approximate)			kg	13600	19200	23200	26600	31600