• Jf21 Series Open Back Press Machine with Dry Clutch
  • Jf21 Series Open Back Press Machine with Dry Clutch

Jf21 Series Open Back Press Machine with Dry Clutch

Type: General Punching Machine
Controlling Mode: Artificial
Automatic Grade: Automatic
Power Source: Mechanical Drive
Precision: High Precision
Customization:

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Basic Info.

Model NO.
JF21

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.

Jf21 Series Open Back Press Machine with Dry Clutch
Jf21 Series Open Back Press Machine with Dry Clutch
Jf21 Series Open Back Press Machine with Dry Clutch
Jf21 Series Open Back Press Machine with Dry Clutch
Jf21 Series Open Back Press Machine with Dry Clutch


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

Jf21 Series Open Back Press Machine with Dry Clutch
Jf21 Series Open Back Press Machine with Dry Clutch
Jf21 Series Open Back Press Machine with Dry Clutch
Jf21 Series Open Back Press Machine with Dry Clutch
Jf21 Series Open Back Press Machine with Dry Clutch
Jf21 Series Open Back Press Machine with Dry Clutch

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.


Jf21 Series Open Back Press Machine with Dry Clutch
 

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