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Anshan Heli Laser Equipment Co., Ltd.

National Service Hotline : 400-641-6888

Address: No. 368 Qianshan Road, High-tech Zone, Anshan City

Dongguan Heli Laser Equipment Co., Ltd.

Address: No. 48 Wenxiang Road, Xiaoxiang, Wanjiang District, Dongguan City, Guangdong Province

Phone: 0769-88879968

0769-21661919

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Analysis of Difficulties in Laser Cutting of Double-sided Laminated Materials

Release time: 2014.10.09 News source: Laser cutting machine, laser engraving machine, laser marking machine, laser equipment brand manufacturer-Dongguan Heli Laser Equipment Co., Ltd. Browse times:
Below we introduce in detail the method of cutting the double-sided coated sheet by the metal laser cutting machine . Analysis of the reasons why the double-sided coated material is difficult to cut
Because the metal laser cutting head can only cut from the top of the sheet, the protective film on the sheet has no effect during the cutting process, but because of the film on the bottom of the sheet, the cutting residue generated during the cutting process Can not be completely dropped, these residues will directly affect the cutting effect of the sheet, resulting in the sheet cannot be cut through or there is a large burr after cutting. However, if all the protective film under the sheet is torn off, it will appear under the sheet Scratched.

Detailed solution for metal laser cutting machine

Is there any way to both tear off the film under the sheet and prevent the protective film from affecting the cutting? The answer lies in the cutting position of laser cutting. The protective film on the bottom surface of the sheet does not all affect the cutting quality. Only the protective film on the bottom surface of the cutting position affects the cutting quality. So as long as the protective film on the bottom surface of the sheet cutting position is removed, it is sufficient. The main idea of surface cutting is: using the laser etching function, first find out the actual cutting position on the sheet, then tear off the protective film at the cutting position, and turn the sheet to the side to tear off the protective film at the cutting position. Face down, and finally cut with a laser cutter . The following steps are required to achieve this cutting method.

1.Draw an auxiliary cutting diagram that matches the actual cutting diagram. The specific method is to mirror the actual cutting diagram to directly obtain the auxiliary cutting diagram.

2. Measure the position and maximum offset of the film to be torn off. In theory, use the auxiliary cutting pattern to etch the laser on the top of the sheet to etch away the protective film at the cutting position, and turn the sheet directly. Cutting is fine. However, in the actual cutting process, due to the influence of laser positioning error and sheet shape error, the cutting positions of the front and back sides of the sheet cannot be overlapped. Therefore, it is necessary to measure the exact offset during front etching. And remove the protective film from the position that can be offset.

3.Draw the cutting drawings and auxiliary cutting drawings. The cutting drawings can be directly drawn according to the shape of the workpiece. For the auxiliary cutting drawings, first mirror the actual cutting drawings and then use the set error value to offset.

4. Typesetting of the laser cutting diagram. In this case, the layout of the auxiliary cutting diagram needs to be typeset first. Secondly, the layout of the auxiliary cutting diagram is mirrored and the etched lines are removed, and only the actual cutting diagram is retained.

5. Laser cutting. First, make a plate for etching, then tear off the protective film at the position of the laser incision. After tearing off the protective film, turn the steel plate, and then cut the workpiece. More laser cutting machines , laser engraving Machine , laser marking machine , laser equipment brand manufacturer-Dongguan Heli Laser Equipment Co., Ltd.!
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