PRODUCT
JF21 Series Pneumatic Open Back Press With Dry Clutch And Shearing Block Protector
1. Main Features
· 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.
2. Specifications
Model
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
1300×1050
1390×1125
1580×1210
1640×1280
×2050
×2050
×2315
×3320
×2700
Net Weight
kg
2200
2600
3450
5400
7000