JF21 Series

Origin：

China

introduce：

Punching Machine

Features

JF21 Series Pneumatic Punching Machine:
Application
1. Suitable for blanking, punching, forming, bending,stretching and other achieve shallow cold stamping process.
2. Widely used in electrical appliances, vehicles, tractors, agricultural machinery, mining machinery, hardware tools, machinery manufacturing and other industrial fields.
Structure
1. Welded steel fuselage, good stiffness, more stable accuracy.
2. Crankshaft longitudinal discharge, compact structure, beautiful appearance.
3. Die height realize electrically adjustable, digital display to adjust the height.
4. Slider rectangular hexahedron longer rails, with bronze liner, high guiding precision.
5. Combined pneumatic friction clutch brake, smooth engagement, sensitive action.
6. Press down type safety device, ensure the machine overload safety.
7. The slide block is provided with lifting balance cylinder, to achieve the balance block linkage.
Features
1. Using electronic fuel pump, reliable lubrication, digital clarity.
2. The slide block can jog, stop motion emergency, operation more safety.
3. Gas circuit adopts double valve control, sensitive action, press the safety standard.

Specifications

Item/model	units	JF21-63	JF21-80	JF21-100	JF21-125	JF21-160
Nominal pressure	KN	630	800	1000	1250	1600
Nominal pressure stroke	mm	4	4.5	5	5	6
Slide stroke	mm	100	120	140	160	180
Slide stroke times	times/min	50	50	50	50	45
Max. die. Height	mm	270	300	320	370	400
Die height adjustment	mm	70	80	90	100	110
Distance between center of slide and frame	mm	270	300	350	360	390
Work table size	mm	470*750	570*860	650*1000	700*1100	760*1200
Hole dimensions in bed	mm	Φ160	Φ160	Φ160	Φ160	Φ180
The thickness of the working bedplate	mm	80	90	110	120	150
Bottom size of slide	mm	400*480	430*560	480*580	520*620	580*700
Size of the handle hole	mm	Φ50*60	Φ60*80	Φ65*80	Φ70*80	Φ50*64
The column spacing	mm	560	590	640	640	660
Motor power	kw	5.5	7.5	7.5	11	15
Machine size	mm	161512002570	191513852820	210013903000	190013003300	204013603300
Total weight	kg	5500	7500	8500	8500	13200



Item/model	units	JF21-200	JF21-250	JF21-315	JF21-400
Nominal pressure	KN	2000	2500	3150	4000
Nominal pressure stroke	mm	6	6	6	6
Slide stroke	mm	200	200	220	220
Slide stroke times	times/min	40	40	38	38
Max. die. Height	mm	450	450	500	500
Die height adjustment	mm	110	110	120	120
Distance between center of slide and frame	mm	430	450	480	480
Work table size	mm	840*1400	880*1500	940*1700	940*1850
Hole dimensions in bed	mm	Φ200	Φ250	Φ250	Φ250
The thickness of the working bedplate	mm	180	180	200	200
Bottom size of slide	mm	650*880	700*930	720*1000	720*1000
Size of the handle hole	mm	Φ50*65	Φ50*66	Φ50*67	Φ50*68
The column spacing	mm	820	950	1050	1050
Motor power	kw	18.5	22	30	37
Machine size	mm	237016003900	269016303900	340019504100	380022004300
Total weight	kg	19500	22000	34700	43000