High frequency pulsing solid state laser marking car, the mark will never fall off

Automotive engineers are thinking every day: How to make cars safer? How to make car manufacturing easier? How to reduce energy consumption and costs in the manufacturing process? How to make the car more beautiful and more refined parts? With the advent of laser technology, experts have lost a lot of brain cells.

In fact, laser technology and the automobile industry had already collided with sparks as early as the mid to late 1980s. European automobile manufacturers such as Audi, Mercedes-Benz, Volkswagen in Germany, and Volvo in Sweden took the lead in adopting laser welding of roofs, bodies, and side frames. In the 1990s, GM, Ford and Chrysler in the United States, and Volvo Cars in Sweden introduced laser technology into automobile manufacturing.

Laser technology has swept the fields of marking, welding, cutting, drilling, heat treatment, precision resistance adjustment, precision weighting, etc.

What's more, today when flexible manufacturing methods are being vigorously promoted, the auto industry has to carry out reforms, and the auto parts industry is transitioning from large batches to small batches and diversified production methods. The laser can quickly adapt to the characteristics of multiple materials, multiple shapes and sizes, and it is almost a secret weapon customized for this reform. Laser technology has swept the fields of marking, welding, cutting, drilling, heat treatment, precision resistance adjustment, and precision weighting.

Laser marking technology

Among them, the performance of laser marking technology is also extremely eye-catching, and the application in the automotive field seems to be described as "permeable". It is not too much to describe it as "all-permeable". Both metal parts and non-metal parts can achieve laser marking, including automotive labels. , Nameplates, even car glass, tires, etc.

So, how does laser marking replace traditional marking methods such as pneumatic marking, chemical corrosion marking, screen printing marking, casting marking, etc., making its debut in the field of automotive marking?

Permanent

The mark will not fade due to changes in time, environment and other elements, and the marking effect is difficult to imitate and change, and it has a strong anti-counterfeiting function;

In recent years, with the introduction of national laws and regulations on automobile safety, high requirements have been placed on the uniqueness of automobiles and parts. Laser barcodes and QR codes are often used to trace automobile parts, which not only meets the defects of the entire vehicle. The requirements of the product recall system have also achieved parts information collection and quality traceability, which has important special significance for the current automobile manufacturing industry.

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Non-contact processing

The energy carrier of laser marking is a light beam with a highly consistent wavelength. When the light beam irradiates the surface of the processed object, it does not produce any mechanical stress, has no effect on the mechanical properties of the material itself, and is free from chemical pollution and noise pollution.

Adaptable

It can mark most metal or non-metal materials, and it also supports a variety of two-dimensional code technology and file formats generated by a variety of graphics software. It can be said to be very versatile. Even if the product is updated, the laser equipment can continue to be used without the need for renewal. Invest.

The marking effect is extremely fine

The minimum spot diameter after focusing can reach 0.01 mm or even smaller.

Low operating cost

The purchase price of laser equipment may be higher than that of traditional marking equipment, but the laser marking speed is fast, energy consumption is small, easy to automate management, does not require general consumables, and has absolute advantages in terms of use cost and comprehensive benefits.