punching press JH21

power press JH21 series,C frame, mechanical, steel welded body, fixed stroke, with dry clutch, overload protected, photographic

Features:1.Steel welded body, tempering treatment or VSR(Vibratory Stress Relief), 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.Dry clutch and hydraulic overload protector.										Bitmap
ITEM		UNIT	JH21-25	JH21-45	JH21-60	JH21-80	JH21-125	JH21-160	JH21-200	JH21-250	JH21-315	JH21-400
Nomonal Capacity		KN	250	450	600	800	1250	1600	2000	2500	3150	4000
Slide Stroke		mm	80	120	140	160	180	200	250	250	250	270
Slide Strokes		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	150	160	180	200	200	200	200
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

punching press JH21