JF21series open back press with dry clutch and shearing block 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
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 digita
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.

			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
SPM	Variable	min-1	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	700	80	110	110	120
Bolster Opening (Dia./ FB×LR)		min-1	200	260	300	390	390
Bolster Opening (Dia./ FB×LR)		min-1	270	250	300	460	520
Slide Area (FB×LR)		mm	270	250	340	400	420
Slide Area (FB×LR)		mm	330	360	410	480	560
Shank Hole (Dia.×Dpth)		mm	φ40	φ40	φ40	φ50	φ50
Shank Hole (Dia.×Dpth)		mm	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
SPM	Variable	min-1	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
Bolster Opening (Dia./ FB×LR)		mm	540	540	600
Slide Area (FB×LR)		mm	270	250	340	400	420
Slide Area (FB×LR)		mm	330	360	410	480	560
Shank Hole (Dia.×Dpth)		mm	φ40	φ40	φ40	φ50	φ50
Shank Hole (Dia.×Dpth)		mm	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	1850×1450×3060	1850×1490×3060	2230×1630×3210	2500×1580×3320	2500×1580×3420
Net Weight		kg	9340	9880	14420	17000	17350