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Your laser MIGHT last 100'000 hours, it might not, it has many components and if any one of these fails so will the laser, there is nothing you can do to improve this situation, its just luck of the draw. Keep it clean, dont let the airways get blocked and keep you fingers crossed ! Running it at higher powers may have an effect on its overall life but again you cant gauge it so run it at the power you need to do the job and dont worry about it. Try not to abuse it moving it around, dont ever take it apart, there is NOTHING you can maintain on it. IF it makes it 100'000 then there is no reason for it just to die, it may keep working for many more hours but eventually the pump diodes will wear out, think of it like a car, you might have a car that does 200'000 miles with no brake downs but it might only get to 10'000 and need major work. These chinese fiber lasers are not bad but the main problem is the total lack of support, the simplest thing could put it out of action. On you YAG did the lamp light ? If you dont know how they work you cant fix them, ive fixed hundreds of them so it doesnt phase me but it took many years of learning and training.

Efficiency first - 10 common laser metal cutting quality defects and how to avoid them

Laser cutting is the most important application technology in the laser processing industry. It is also the earliest and most used processing method in laser processing. Because of its many advantages, it has been widely used in automobile manufacturing, aviation, shipbuilding, railway equipment, industrial automation, national defense, building materials and other industries. With the advantages of accurate, fast, simple operation and high degree of automation, laser cutting has become the first choice for manufacturers in the above industries to improve metal processing efficiency.

When manufactures want laser cutting to process their own metal parts or those of their clients, the most important and valuable thing they consider is mostly its ability to achieve fast, stable, and cost-saving cutting, which maximizes profits and wins trusts from customers. However, according to the experiences of Bodor service engineers, who help solve technical problems for Bodor product users, some cutting quality defects during actual cutting processing often bother them and make their objection not totally achievable. In this article, we gather the experiences of our engineers to conclude 10 common laser metal cutting quality defects and proved solutions, to help get satisfying laser cutting. Read on to learn more.

1. Poor cutting quality at only one side of the edge

Causes: Laser beam is not aligned to lens; Nozzle is blocked or not round; Laser path not clean or not vertical to material

Solutions: Check beam centering, check nozzle, check laser head verticality or lens cleanliness

2. Kerf too wide

Causes: Gas pressure is too high; Focus height is too high; Too much laser power; Poor quality of material
Solutions: Reduce pressure by 0.1bar every time; Lower focus height by 0.2mm every time; Reduce laser power; Clean material surface

3. Burnt corners

Causes: Corner overheat
Solutions: Apply power curve or cooling point

4. Rough section only at the lower side of the edge

Causes: Gas pressure is too high; Focus height is too low
Solutions: Reduce pressure and increase focus height

If you want to learn more, please visit our website Common Issues with Fiber Laser Cutting Machines.

5. Too rough striations at cutting edge

Causes: Gas pressure is too high; Focus height is too high; Cutting speed is too slow; Lens is dirty or damaged
Solutions: Lower gas pressure; Lower focus height; Increase cutting speed; Check lens

6. Soft slags that can be removed at lower surface

Causes: Cutting speed is too fast; Focus height is too high; Gas pressure is too high
Solutions: Lower cutting speed; Lower focus height; Lower gas pressure

7. Coating peeled off at the lower edge

Causes: Gas pressure is too high; Focus height is too low; Cutting speed is too fast
Solutions: Lower gas pressure and cutting speed; Increase focus height

8. Hard slags at the lower surface of stainless steel sheets

Causes: Focus height is too high; Gas pressure is too low; Cutting height is improper
Solutions: Lower focus height; Increase gas pressure; Adjust cutting height

9. Abnormal color of the edge

Causes: N2 is not pure
Solutions: Change to pure N2

10. Abnormal defect at starting cutting point

Causes: Wrong setting of laser on/off delay; Improper cutting lead

Solutions: Apply different lead line; Reset the laser on/off delay

For metal fabrication or manufacturing companies, it is crucial that laser cutting processing is not bothered or shut down by abnormal cutting defects. A stable, good-quality, and efficient laser cutting machine by a trustworthy company is what they truly need. And, we also keep an eye out for those common cutting defects, because laser cutting machines are still complex equipment that requires regular and careful maintenance.

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