Open Back Press with Dry Clutch and Hydraulic Overload Protector (JH21 Series)

• Transport Package: Plywood Cast
• Specification: 2280*1550*3240
• Trademark: White Eagle
• Origin: China
• Model NO.: JH21 Series
• Production Capacity: 5000sets/Month

Product Description

Main Features:
JH21 series open back press with dry clutch and hydraulic overload protector
Welded body with steel plate and high intensity;
Adopts combined pneumatic friction clutch and brake;
Cluster gear adopts the flooding oil lubrication;
Six-face rectangle lengthen guide;
Equipped with hydraulic overload protecting device.
Jh21-25/25B/45 adopts manual shut height adjustment, among these types Jh21-25/45 adopts scale display and Jh21-25B with digital display.
JH21-63 and above type adopts electric shut height adjustment with digital display;
JH21-25B, JF21-45 and above type equipped with lifting balance cylinder;
Duplex valves imported from Japan.
Electric compelling grease lubrication system.
Controlled by PLC with international brand;
Buttons, indicators, AC contactors, air circuit breakers and other controlling devices are imported from international brand.
Equipped with optional air cushion device, automatic feed shaft and photoelectric protector, which can used to work with various automatic equipments.

			JH21-25B	JH21-25	JH21--45	JH21-63	JH21-80	JH21-110	JH21-125
Nominal force		kN	250	250	450	630	800	1100	1250
Stroke under nominal force		mm	3	3	4	4	5	6	6
Slide block stroke		mm	60	80	100	120	140	160	160
Number of stroke	Fixed	min-1	100	100	80	70	60	50	50
	Variable (Optional)		80-120	80-120	70-90	60-80	50-70	40-60	40-60
Max die set height		mm	200	250	270	300	320	350	350
Die set height adjustment		mm	50	50	60	80	80	80	80
Distance from slide block centre to the frame		mm	160	210	230	300	300	350	350
Worktable dimensions(F.B×L.R)		mm	300 680	400 700	440 810	580 900	580 1000	680 1150	680 1150
Dimensions of worktable hole		mm	130 260	φ170 20 φ150	φ180 30 φ160	φ200 40 φ180	φ200 40 φ180	φ260 50 φ220	φ260 50 φ220
Thickness of bolster		mm	70	80	110	110	120	140	140
Hloe dimensions in bed (Diameter/ F.B×L.R)		mm	200 270	260 250	300 300	φ365	φ365	φ400	φ400
Dimensions of sideblock botton surface(F.B×L.R)		mm	270 330	250 360	340 410	400 480	420 560	500 600	540 680
Size of the handle hole(Diameter×Depth)		mm	φ40 60	φ40 60	φ40 60	φ50 80	φ50 80	φ60 80	φ60 80
Distance between columns of body		mm	448	450	550	620	680	760	760
Main motor capacity		KW	3	3	5.5	5.5	7.5	11	11
Outline dimension(F.B×L.R×H)		mm	1150 1050 2050	1280 1050 2050	1600 1200 2400	1800 1210 2520	1760 1280 2700	2010 1400 3040	2010 1440 3050
Net/Gross weight		Kg	2200 2500	2800 3250	4000 4500	6100 700	8000 9200	11000 12200	11800 13000

 
 
 

			JH21-160B	JH21-200	JH21-200B	JH21-250	JH21-250B	JH21-315	JH21-400
Nominal force		kN	1600	2000	2000	2500	2500	3150	4000
Stroke under nominal force		mm	6	6	6	8	8	8	10
Slide block stroke		mm	160	180	200	200	250	250	200
Number of stroke	Fixed	min-1	40	35	35	30	30	30	25
	Variable (Optional)		35-50	30-40	30-40	25-35	25-35	25-35	20-30
Max die set height		mm	350	390	450	430	500	430	430
Die set height adjustment		mm	110	110	110	120	120	120	120
Distance from slide block centre to the frame		mm	380	390	390	420	420	420	420
Worktable dimensions(F.B×L.R)		mm	740 1300	760 1400	760 1400	800 1400	800 1400	800 1400	760 1400
Dimensions of worktable hole		mm	φ300 50 φ260	φ300 50 φ260	φ300 50 φ260	φ320 50 φ280	φ320 50 φ280	φ320 50 φ280	φ320 50 φ280
Thickness of bolster		mm	150	160	160	170	170	170	180
Hloe dimensions in bed (Diameter/ F.B×L.R)		mm	φ470	φ470	φ470	370 570	370 570	440 580	440 580
Dimensions of sideblock botton surface(F.B×L.R)		mm	580 770	600 800	600 800	650 850	650 850	650 850	690 900
Size of the handle hole(Diameter×Depth)		mm	φ65 85	φ65 90	φ65 90	φ70 90	φ70 90	φ70 90	φ70 90
Distance between columns of body		mm	850	870	870	960	960	960	960
Main motor capacity		KW	15	18.5	18.5	22	22	30	37
Outline dimension(F.B×L.R×H)		mm	2280 1550 3240	2500 1580 3320	2500 1580 3420	2730 1640 3550	2770 1700 4060	2770 1650 3550	2830 1680 3890
Net/Gross weight		Kg	15500 17000	18800 20300	19000 20500	24500 26500	25300 27300	25500 28000	28500 31500