Open Back Power Press Machine / Punching Machine (JF21)

• Type: General Punching Machine
• Punch Shape: Open Punch
• Controlling Mode: Artificial
• Automatic Grade: Automatic
• Power Source: Mechanical Drive
• Precision: High Precision
• Model NO.: JF21-25, JF21-45, JF21-63, JF21-80
• Certification: CE, ISO 9001
• Condition: New
• Power Press Machine: Pneumatic Open Front Press with Fixed Bed
• After-Sales Service Provided: Engineers Available to Service Machinery Overseas
• Warranty Period: One Year After Delivery
• Delivery Time: 45-60 Days
• Voltage: as Your Requirement
• Color: as Your Requirement
• Transport Package: in Wooden Case ( Can Be Fumigated) / Plywood Case
• Specification: CE norms, ISO9001: 2008
• Trademark: TIMAC
• Origin: China (Mainland)
• HS Code: 8462109000
• Production Capacity: 200 Sets Per Month

Product Description

Power Press Machine

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.
 

Model		Unit	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
Number of stroke	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.×depth×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	200x270	260x250	300x300	390x460	390x520
Slide area (FB×LR)		mm	270x330	250x360	340x410	400x480	420x560
Shank hole (Dia.×Depth)		mm	φ40x60	φ40x60	φ40x60	φ50x80	φ50x80
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	1580×1210×2520	1640×1280×2700
Net weight		kg	2200	2600	3450	5400	7000