JH21 Type High Performance Press Machine

Product Features

1. Steel plates welded as machine body, treated to remove internal stress, marked with high rigidity;

2. Crankshaft longitudinally arranged, compact structure and beautiful outlook;

3. Hexagonal guide rails of extra length, guide in high precision;

4. Combined-type pneumatic friction clutch-brake, steady engagement, low noise level;

5. Hydraulic overload protection device for JH21 and rigid protection device for JF21 to prevent damage of the machine tools due to overload;

6. PLC-controlled electric circuit, safety duplex valve for air pipelines, flexible and highly sensitive in movement,safe and reliable, single time, inching and continuous operations for options, conforming to the safety standard for stamping machines

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Product Description

Specification:

Specification	Unit	JH21-25	JH21-45	JH21-60	JH21-80	JH21-110	JH21-125	JH21-160	JH21-200	JH21-250	JH21-315	JH21-400
Specification	Unit	JF21-25	JF21-45	JF21-60	JF21-80	JF21-110	JF21-125	JF21-160	JF21-200	JH21-250	JH21-315	JH21-400
Capacity	Ton	25	45	60	80	110	125	160	200	250	315	400
Rate tonnage point	mm	3	4	4	5	5	5	6	6	7	7	8
Stroke	mm	80	120	140	160	180	180	200	250	250	250	280
Stroker per Minute	s.p.m	100	80	70	60	50	50	45	45	40	40	35
Die height	mm	250	270	300	320	350	350	400	450	500	500	530
Slide adjustment	mm	50	60	70	80	90	90	100	110	120	120	120
Depth of Throat	mm	210	225	270	310	350	350	390	430	450	450	490
Distance betweenuprights	mm	450	500	560	620	660	660	720	900	980	980	1050
Slide area	mm	360ｘ250	410ｘ340	480ｘ400	540ｘ460	620ｘ520	620ｘ520	700ｘ580	880ｘ650	950ｘ700	950ｘ700	1000ｘ750
Shank hole	mm	∅40ｘ60	∅50ｘ60	∅50ｘ60	∅50ｘ60	∅70ｘ80	∅70ｘ80	∅70ｘ90	∅70ｘ90	∅70ｘ100	∅70ｘ100	∅70ｘ100
Bolster area	mm	720ｘ400	810ｘ440	870ｘ520	950ｘ600	1070ｘ680	1070ｘ680	1170ｘ760	1390ｘ840	1500ｘ880	1540ｘ880	1700ｘ940
Size opening in the table	mm	150	150	150	150	160	180	200	200	200	200	200
Distance from worktable to ground	mm	780	800	900	900	900	900	900	1000	1000	1000	1020
Main motor	kw.p	2.2ｘ4	5.5ｘ4	5.5ｘ4	7.5ｘ4	7.5ｘ4	11ｘ4	15ｘ4	15ｘ4	22ｘ4	30ｘ4	37ｘ4
Slide adjust device	HP	manual operation		electrial driving
Air pressure	kg/cm2	6
Presses precision		GB/JIS 1 class
Presses dimension	mm	1520ｘ1060ｘ2120	1620ｘ1130ｘ2340	1690ｘ1160ｘ2650	1870ｘ1170ｘ2810	2020ｘ1315ｘ2985	2020ｘ1315ｘ2985	2325ｘ1450ｘ3250	2580ｘ1690ｘ3810	2820ｘ1710ｘ3900	2880ｘ1750ｘ3920	3150ｘ1940ｘ4320
Die cushion capacity	Ton	4.5	4.5	6	6	8.5	8.5	8.5	11.5	15	15	15
Stroke	mm	50	50	60	60	70	70	80	80	90	90	90
Die cushion effective area	mm2	-	300ｘ230	350ｘ300	450ｘ310	500ｘ350	500ｘ350	650ｘ420	710ｘ480	710ｘ480	710ｘ480

Product picture

JH-21 Technical Parameter.PDF

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