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The Differences between CNC Laser Cutting Machine and CNC Punching Machine

The CNC equipment is now the mainstream for the processing equipment with more accurate and simple intelligent work style, so more and more customers choose them. The most widely used in CNC equipments are CNC laser cutting machine and CNC punching machine. These two kinds of equipment are indispensable in metal processing. What are the differences between the two kinds of CNC equipment?

The CNC fiber laser cutting machine is used to melt and vaporize the stainless steel by using a laser beam to illuminate the surface of the steel plate. The laser source generally adopts carbon dioxide laser beam or fiber optic laser beam with work power 500 ~ 2500 watts. The power is lower than the power required for many household electric heating. However, through lenses and mirrors, the laser beam is concentrated in very small areas. The high concentration of energy is capable of rapid local heating and evaporation of stainless steel. In addition, because the energy is very concentrated, only a small amount of heat is transferred to other parts of the rolled steel. The laser can cut the blank of complex shape very accurately, and the cutted blanks are not necessary for further processing.

The CNC punching machine can be used for processing of all kinds of metal sheet parts. It can automatically complete various complex and shallow tensile forming processes at one time. Through simple die combination, a large amount of mould cost is saved compared with traditional stamping.

Comparison between CNC laser cutting machine and CNC punching machine

(1) CNC laser cutting machine can be used for thin plate and thick plate processing, while the CNC punching machine mainly focuses on sheet processing.
(2) CNC laser cutting machine can process all kinds of complicated graphics, which can be completed without the limitation of complexity. CNC punching machine can only process simpler graphics.
(3) CNC laser cutting machine is not necessary to open mold, and it is more cost-effective than the CNC punching machine.
(4) the automatic tracking system of CNC laser cutting machine can be processed on the surface, while CNC punching machine has high limitation.
(5) CNC laser cutting machine has high machining precision. It is suitable for mass production.



JH21 C Frame Type CNC Pneumatic Punching Machine

PLC electric control system is safe and reliable. Pneumatic balance device for slide block to ensure the stability and precision of the machine tool. Hydraulic overload protection for JH21, rigid protective device for JF21 to prevent damage due to overload in operation...

JH21 Open C Type Pneumatic Power Press Machine Technical Parameters

ITEM
UNIT
JH21-25
JH21-45
JH21-60
JH21-80
JH21-110
JH21-125
JH21-160
JH21-200
JH21-250
JH21-315
JH21-400
Nominal Capacity
KN
250
450
600
800
1100
1250
1600
2000
2500
3150
4000
Slide Stroke
mm
80
100
120
140
140
150
1600
220
220
220
250
Slide Strokes
Fixed
Times/min
100
85
70
60
50
50
50
45
30
30
30
Variable(optional)
Times/min
70-110
50-95
45-80
40-70
30-60
30-60
30-60
25-45
20-30
20-30
20-30
Max. Die Shut Height
mm
250
270
300
330
350
380
400
450
500
500
550
Die Shut Height Adjustment
mm
50
60
70
80
90
90
100
110
120
120
120
Throat Depth
mm
210
225
260
310
360
370
400
430
450
450
490
Distance Between Columns
mm
450
530
580
600
630
680
736
910
980
980
1050
Slide Bottom Size
F-B
mm
250
340
400
420
520
520
580
650
700
700
750
L-R
mm
360
410
480
580
630
630
700
880
950
950
1020
Shank Hole Size
Diameter
mm
40
40
50
50
50
50
65
70
70
70
70
Depth
mm
50
65
65
80
85
85
90
100
130
130
130
Bolster Size
F-B
mm
400
440
500
600
680
700
740
840
880
880
950
L-R
mm
700
810
850
1000
1100
1200
1300
1390
1500
1540
1700
Thickness
mm
80
110
130
140
155
160
165
180
190
190
210
Overall Dimensions
F-B
mm
1365
1410
1580
1774
1830
2076
2120
2600
2660
2720
2850
L-R
mm
857
990
1080
1186
1325
1380
1510
1540
1640
1680
1750
Height
mm
2180
2320
2555
3085
3010
3084
3300
3800
3865
3865
4150
Motor Power
KW
3
4
5.5
7.5
7.5
11
15
18.5
22
30
37
Weight (approximate)
kg
2800
4200
5700
7100
10350
11800
13500
19200
23200
26600
31600

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