JH21 Open Back Stamping Press

Short Description:

–Welded body with steel plate and high intensity.
–Main motor is made by Siemens.
–Adopts combined pneumatic friction clutch and brake.
And wet clutch with excellent performance can also be configured based on clients’ actual requirements
–Gear pairs: oil bath lubrication.

Send email to us

Product Detail

Product Tags

Product Descriptions

JH21 Series Open Back Stamping Press With Hydraulic Overload Protector
Dry Clutch & Wet Clutch Both Available

--Welded body with steel plate and high intensity.
--Main motor is made by Siemens.
--Adopts combined pneumatic friction clutch and brake.
And wet clutch with excellent performance can also be configured based on clients’ actual requirements
--Gear pairs: oil bath lubrication.
--Six-face rectangle lengthened guide rail; JH21-315B/400B adopts eight-face lengthened 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.
--Imported dual solenoid valve.
--Electric grease forced lubrication system.
--Balancing cylinder adopts manual lubrication system.
--One set of blowing device.
--Controlled by PLC with international brand.
--Integrated interface(electrical cam included)
--Buttons, indicators, AC contactors, air circuit breakers and other controlling devices are imported from international brand.
--Equipped with optional wet clutch, air cushion device, automatic feed shaft and photoelectric protector, which can used to work with various automatic equipments.

Product Specifications

ITEM		CODE	UNIT	JH21-25	JH21-45	JH21-60	JH21-80	JH21-125
Nominal Capacity		Pe	KN	250	450	600	800	1250
Slide Stroke		S	Mm	80	120	140	160	180
Slide Strokes	Fixed	Spm	Times/Min	100	100	80	70	50
Slide Strokes	Variable(Optional)	Spm	Times/Min	60-100	50-80	45-70	40-60	35-50
Max. Die Shut Height		H2	Mm	250	270	300	320	350
Die Shut Height Adjustment		T	Mm	50	60	70	80	90
Throat Depth		C1	Mm	210	225	270	310	350
Distance Between Columns		D1	Mm	450	515	560	610	670
Slide Bottom Size	F-B	B	Mm	250	340	400	460	520
Slide Bottom Size	L-R	A	Mm	360	410	480	540	620
Shank Hole Size	Diameter	D	Mm	40	50	50	50	70
Shank Hole Size	Depth	I	Mm	65	60	70	65	90
Bolster Size	F-B	D	Mm	400	440	520	600	680
	L-R	C	Mm	720	825	930	950	1100
	Thickness	H3	Mm	80	110	130	140	155
Bed Opening Hole Diameter		¢	Mm	150	150	150	180	200
Overall Dimensions	F-B	A	Mm	1496	1585	1540	1765	2040
	L-R	B	Mm	945	1075	1200	1200	1320
	Height	H	Mm	2120	2391	2570	2725	3035
Motor Power			KW	3	5.5	5.5	7.5	11
Weight(Approximate)			Kg	2450	3550	5150	6450	9550
ITEM		CODE	UNIT	JH21-160	JH21-200	JH21-250	JH21-315	JH21-400
Nominal Capacity		Pe	KN	1600	2000	2500	3150	4000
Slide Stroke		S	Mm	200	220	220	220	250
Slide Strokes	Fixed	Spm	Times/Min	45	45	30	30	30
Slide Strokes	Variable(Optional)	Spm	Times/Min	30-45	25-45	20-30	20-30	20-30
Max. Die Shut Height		H2	Mm	400	450	500	550	550
Die Shut Height Adjustment		T	Mm	110	110	120	120	120
Throat Depth		C1	Mm	400	430	450	450	490
Distance Between Columns		D1	Mm	736	910	980	980	1050
Slide Bottom Size	F-B	B	Mm	580	650	700	700	750
Slide Bottom Size	L-R	A	Mm	700	880	950	950	1020
Shank Hole Size	Diameter	D	Mm	70	70	70	70	70
Shank Hole Size	Depth	I	Mm	100	100	130	130	130
Bolster Size	F-B Single Crank Power Press	D	Mm	760	840	880	880	950
	L-R	C	Mm	1175	1390	1500	1540	1700
	Thickness	H3	Mm	165	180	190	190	210
Bed Opening Hole Diameter		¢	Mm	220	250	270	270	290
Overall Dimensions	F-B	A	Mm	2305	2600	2660	2720	2850
	L-R	B	Mm	1420	1540	1640	1680	1750
	Height	H	Mm	3215	3800	3865	3865	4150
Motor Power			KW	15	18.5	22	30	37
Weight(Approximate)			Kg	13600	19200	23200	26600	31600

Product Components List

Electric & Pneumatic Components		Items	Brand Or Country Of Original
		Main Motor	Made In China
		Disk Motor	Made In China
		PLC	Omron (Japan)
		Dual Solenoid Valve	Taco (Japan) Or Ross (USA)
		Contactor	Made By Schneider (French)
		Buttons And Indicating Light	Made By Schneider (French)
		Cam Switch	Made In China
Seals		Balance Cylinder Seals	Made In Taiwan
Seals		Other Seals	Made In Taiwan
Oil Circuit	Auto Grease Pump	IHI (Japan)	Yangzhou
MechanicalParts	Machine Main Body	Steel Welded (Anneal Or Vibration Age)	Yangzhou
	Work Table	Cast Iron HT250 (Anneal)	Yangzhou
	Crank Shaft	Alloy Steel Forging 40Cr	Yangzhou
	Fly Wheel	Cast Iron HT250 (Anneal)	Yangzhou
	Main Gear	Cast Steel ZG45 (Normalizing)	Yangzhou
	Clutch Brake	Dry Pneumatic Clutch	Ompi (Italy)
	Over Load Protector		Kingair(Taiwan )
	Slide	Cast Iron HT250 (Anneal)	Yangzhou
	Connecting Rod	Nodular Cast Iron (Normalizing)	Yangzhou
	Ball Screw	Alloy Steel Forging 40Cr	Yangzhou
	Balance Cylinder		Made In China

Item	Unit	Specification Contents
1.Slider Balancer
1.1 Maximum Balance Air Pressure		5.0 Kg/Cm2
1.2 Air Pressures Adjustment Method		Pressure Valve Operation (Manual)
2.Slider Adjustment Device
2.1 Adjusting Method		Slider Motor Driven
2.2 Adjusting Speed		About 50 Mm/Min
2.3 Operation Method		Button Operation (Manual )
2.4 Show Method		Electronic Digits Display 0.1mm
3. Overload Protection Device
3.1 Model		Oil Discharge Load
3.2 Overload Cylinder Stroke	Mm	10mm
3.3 Overload Return Time	Sec	Maximum 60 Sec
4. Clutch Brake
4.1 Model		Dry Pneumatic
4.2 Structure		Integrated
4.3 Control Method		Double-Loop Control
4.4 Solenoid Valve		Double Solenoid Valve
4.5 Action Method - Clutch - Brakes		Air ActionSpring Action
4.6 Friction Plate		None Asbestos Material, Flake
5. Lubrication System
5.1 Circulation Method Lubrication Parts 5.2 Intermittent Oil Way Method Lubrication Parts		Method Of Distributing ValveDriven Parts , Guide RailsMethod Of Distributing ValveBalancer