Jf21 Series Open Back Press Machine with Dry Clutch

• Customization: Available
• Type: General Punching Machine
• Controlling Mode: Artificial
• Model NO.: JF21
• Automatic Grade: Automatic
• Power Source: Mechanical Drive
• Precision: High Precision

Product Description

JF21series open back press with dry clutch and shearing block 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.
--Rigid pressing down style overload protector.
--JF21-25/25B/45 adopts manual shut height adjustment, among these types JF21-25/45 adopts scale display and JF21-25B with digital display.
--JF21-63 and above type adopts electric shut height adjustment with digital display.
--JF21-45 can equip with die set height adjustment motor, the value will be displayed by digital.
--JF21-25B, JF21-45 and above type equipped with lifting balance cylinder.
--Duplex valves imported.
--Adopt grease lubrication system.
--Balancing cylinder adopts manual 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.







Main Specification

			JF21-25B	JF21-25	JF21--45	JF21-63	JF21-80
Capacity		kN	250	250	450	630	800
Nominal Stroke		mm	3	3	4	4	5
Slide Stroke		mm	60	80	100	120	140
SPM	Fixed	min -1	100	100	80	70	60
	Variable		80-120	80-120	70-90	60-80	50-70
Max. Die Height		mm	200	250	270	300	320
Die Height Adjustment		mm	50	50	60	80	80
Between Slide Center & Frame		mm	160	210	230	300	300
Bolster (FB × LR)		mm	300×680	400×700	440×810	580×900	580×1000
Bolster Opening (Up Hole Dia. × Dpth × Low Hole Dia.)		mm	130×260	φ170×20×φ150	φ180×30×φ160	φ200×40×φ180	φ200×40×φ180
Bolster Thickness		mm	70	80	110	110	120
Bolster Opening (Dia./ FB × LR)		mm	200	260	300	390	390
			270	250	300	460	520
Slide Area (FB × LR)		mm	270	250	340	400	420
			330	360	410	480	560
Shank Hole (Dia. × Dpth)		mm	φ40	φ40	φ40	φ50	φ50
			60	60	60	80	80
Between Columns		mm	448	450	550	560	640
Main Motor Power		kW	3	3	5.5	5.5	7.5
Outline Size (FB × LR × H)		mm	1150×1050×2050	1300×1050×2050	1390×1125×2315	1580×1210×3320	1640×1280×2700
Net Weight		kg	2200	2600	3450	5400	7000

 

			JF21-110	JF21-125	JF21-160B	JF21-200	JF21-200B
Capacity		kN	1100	1250	1600	2000	2000
Nominal Stroke		mm	6	6	6	6	6
Slide Stroke		mm	160	160	160	180	200
SPM	Fixed	min -1	50	50	40	35	35
	Variable		40-60	40-60	35-50	30-40	30-40
Max. Die Height		mm	350	350	350	390	450
Die Height Adjustment		mm	80	80	110	110	110
Between Slide Center & Frame		mm	350	350	380	390	390
Bolster (FB × LR)		mm	680×1150	680×1150	740×1300	760×1400	760×1400
Bolster Opening (Up Hole Dia. × Dpth × Low Hole Dia.)		mm	φ260×50×φ220	φ260×50×φ220	φ300×50×φ260	φ300×50×φ260	φ300×50×φ260
Bolster Thickness		mm	140	140	150	160	160
Bolster Opening (Dia./ FB × LR)		mm	420	420	480	φ470	φ470
			540	540	600
Slide Area (FB × LR)		mm	500	540	580	600	600
			650	680	770	800	800
Shank Hole (Dia. × Dpth)		mm	φ60	φ60	φ65	φ65	φ65
			80	80	85	90	90
Between Columns		mm	760	760	850	870	870
Main Motor Power		kW	11	11	15	18.5	18.5
Outline Size (FB × LR × H)		mm	1850×1450×3060	1850×1490×3060	2230×1630×3210	2500×1580×3320	2500×1580×3420
Net Weight		kg	9340	9880	14420	17000	17350

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.