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What Are The Applications of Laser Precision Machining

Jul 23, 2020

Laser processing technology has three levels in accordance with the size of the processed material and the processing accuracy requirements: Large-scale material laser processing technology based on medium and thick plates, and the processing accuracy is generally millimeter or sub-millimeter level; For Precision laser processing based on thin plates, the processing accuracy is generally in the order of ten microns; The laser microfabrication technology based on various thin films with a thickness of less than 100 microns generally has a processing accuracy of less than ten microns or even sub-micron. The following mainly introduces precision laser processing.

 

Laser precision processing can be divided into four types of applications, namely precision cutting, precision welding, precision drilling and surface treatment. Under the current technological development and market environment, the application of laser cutting and welding is more popular, and it is most widely used in the fields of 3C electronics and new energy batteries.


Application type

Processing   characteristics

Typical applications

Laser   precision cutting

fast   speed, smooth and flat cut, generally does not require subsequent processing;   smaller heat affected zone, and less plate deformation; high processing   accuracy, good repeatability, and no damage to the surface of the material.

Laser   cutting of PCB plates, microelectronic circuit templates and brittle materials

Laser   precision welding

No   need for electrodes and filler materials, so it is non-contact welding. can   weld refractory metals and materials of different thickness.

Laser   welding of cameras, sensors and power batteries

Laser   precision drilling

Punch   holes with small diameter in materials with high hardness, brittle or soft   texture; fast processing speed and high efficiency

PCB   plates and brittle materials such as glass

Laser   surface treatment

No   need for additional materials; Only change the structure of the surface layer   of the processed material, and the processed part has minimal deformation; Suitable   for surface marking and high-precision parts processing

        laser quenching, 

cleaning, shock hardening 

      and  polarization;

laser cladding, electroplating, alloying, and vapor deposition