JH21series open back press with dry clutch and hydraulic overload protector

Welded body with steel plate and high intensity
Main motor is made by Siemens
Adopts combined pneumatic friction clutch and brake
Cluster gear adopts the flooding oil lubrication.
Six-face rectangle lengthen guide; JH21-315B/400B adopts eight-face lengthen guideway
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
JH21-45 can equip with die set height adjustment motor, the value will be displayed by digital
JH21-25B, JH21-45 and above type equipped with balance cylinder
Duplex valves imported
Electric compelling grease lubrication system
Balancing cylinder adopts manual lubrication system
One set of blowing device
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
Capacity		kN	250	250	450	630	800	1100	1250
Nominal Stroke		mm	3	3	4	4	5	6	6
Slide Stroke		mm	60	80	100	120	140	160	160
SPM	Fixed	min-1	100	100	80	70	60	50	50
SPM	Variable	min-1	80-120	80-120	70-90	60-80	50-70	40-60	40-60
Max die height		mm	200	250	270	300	320	350	350
Die Height Adjustment		mm	50	50	60	80	580	80	80
Between Slide Center & Frame		mm	160	210	230	300	300	350	350
Bolster (FB×LR)		mm	300×680	400×700	440×810	580×900	580×1000	680×1150	680×1150
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.)		mm	130×260	φ170×20×φ150	φ180×30×φ160	φ200×40×φ180	φ200×40×φ180	φ260×50×φ220	φ260×50×φ220
Bolster thickness		mm	70	80	110	110	120	140	140
Bolster Opening (Dia./FB×LR)		mm	200×270	260×250	300×300	390×460	390×520	420×540	420×540
Slide Area (FB×LR)		mm	270×330	300×360	340×410	400×480	420×560	500×650	540×680
Shank Hole (Dia.×Dpth		mm	φ40×60	φ40×60	φ40×60	φ50×80	φ50×80	φ60×80	φ60×80
Between Columns		mm	448	450	550	560	640	760	760
Main Motor Power		kW	3	3	5.5	5.5	7.5	11	11
Outline Size (FB×LR×H)		mm	1150×1050×2050	1300×1050×2050	1390×1200×2400	1580×1210×2520	1640×1280×2700	1850×1450×3060	1850×1450×3060
Net Weight		kg	2200	2600	3450	5400	7000	9340	9900

			JH21-160B	JH21-200	JH21-200B	JH21-250	JH21-250B	JH21-315	JH21-315B
Capacity		kN	1600	2000	2000	2500	2500	3150	3150
Nominal Stroke		mm	6	6	6	8	8	8	8
Slide Stroke		mm	160	180	200	200	250	200	250
SPM	Fixed	min-1	40	35	35	30	30	30	30
SPM	Variable	min-1	35-50	30-40	30-40	25-35	25-35	25-35	25-35
Max die height		mm	350	390	450	430	500	430	550
Die Height Adjustment		mm	110	110	110	120	120	120	120
Between Slide Center & Frame		mm	380	390	390	420	420	420	460
Bolster (FB×LR)		mm	740×1300	760×1400	760×1400	800×1400	800×1400	800×1400	800×1600
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.)		mm	φ300×50×φ260	φ300×50×φ260	φ300×50×φ260	φ320×50×φ280	φ320×50×φ280	φ320×50×φ280	φ320×50×φ280
Bolster thickness		mm	150	160	160	170	170	170	200
Bolster Opening (Dia./FB×LR)		mm	φ470	φ470	φ470	370×570	370×570	440×580	440×580
Slide Area (FB×LR)		mm	580×770	600×800	600×800	650×850	650×850	650×850	700×950
Shank Hole (Dia.×Dpth		mm	φ65×85	φ65×90	φ65×90	φ70×90	φ70×90	φ70×90	φ70×90
Between Columns		mm	850	870	870	960	960	920	920
Main Motor Power		kW	15	18.5	18.5	22	22	30	30
Outline Size (FB×LR×H)		mm	2280×1550×3240	2500×1580×3320	2500×1580×3420	2730×1640×3550	2770×1700×4060	2770×1650×3550	2850×1700×4450
Net Weight		kg	14500	17000	17350	23500	24500	25000	28000

			JH21-400	JH21-400B
Capacity		kN	4000	4000
Nominal Stroke		mm	10	10
Slide Stroke		mm	200	250
SPM	Fixed	min-1	25	25
SPM	Variable	min-1	20-30	20-30
Max. Die Height		mm	430	550
Die Height Adjustment		mm	120	120
Between Slide Center & Frame		mm	420	490
Bolster (FB×LR)		mm	760×1400	940×1800
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.)		mm	φ320×50×φ280	φ320×50×φ280
Bolster Thickness		mm	180	200
Bolster Opening (Dia./FB×LR)		mm	440×580	440×580
Slide Area (FB×LR)		mm	690×900	720×1000
Shank Hole (Dia.×Dpth)		mm	φ70×90	φ70×90
Between Columns		mm	960	960
Main Motor Power		kW	37	37
Outline Size (FB×LR×H)		mm	2830×1680×3890	3100×1900×4600
Net Weight		kg	29500	34000