Jh21 Series Open Back Automatic Punch/Punching Press Machine with Dry Clutch

• Type: General Punching Machine
• Punch Shape: Closed Punch
• Slider Movement: Double Action
• Slider Drive Mechanism: Cam Press
• Controlling Mode: Artificial
• Automatic Grade: Automatic
• Model NO.: JH21
• Power Source: Mechanical Drive
• Precision: High Precision
• Certification: CE, ISO 9001
• Condition: New
• Transport Package: Wooden Package
• Specification: CE, ISO9001
• Trademark: yangli
• Origin: Yangzhou, Jiangsu Province

Product Description

JH21series open back press with dry clutch and hydraulic overload protector

Descriptions
--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.







Main Specification

			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
	Variable		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	80	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	1850×1490×3060
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
	Variable		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	880×1600
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
	Variable		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

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.