3C Inspection
Industrial lenses play a key role in 3C inspection and are mainly used for precision imaging of electronic components, PCB circuit boards, SMT patches, and parts assembly. They ensure product quality and improve inspection efficiency and accuracy through high-resolution, low-distortion image capture. These applications cover the entire process from raw materials entering the factory to finished products leaving the factory and are an important support for automated and intelligent production in the 3C industry.
There are many types of industrial lenses used for 3C inspection (i.e., computer, communication, and consumer electronics inspection). According to different application scenarios and inspection requirements, they can be summarized into the following categories:
1. Fixed-focus Industrial Lens
Features: Constant focal length, the field of view changes with working distance, suitable for scenes where working distance is fixed, and the inspection area is on the same plane.
Application: In 3C inspection, it is often used for precise measurement and inspection of parts with fixed position and fixed size.
2. Zoom Industrial Lens
Features: The focal length can be changed within a certain range to obtain different widths and narrowness of viewing angles, which is suitable for inspection scenarios that require flexibility but do not require high resolution.
Application: It can be used to inspect different components in 3C products at multiple angles and focal lengths to improve inspection efficiency and flexibility.
3. Variable Magnification Industrial Lens
Features: The magnification can be adjusted continuously and infinitely within a certain range, with high contrast and high-resolution imaging, suitable for occasions requiring high-precision imaging.
Application: In 3C inspection, it is often used for magnified observation and high-precision measurement of tiny parts and precision structures.
4. Telecentric Industrial Lens
Features: The magnification is constant and does not change with the change of working distance. It can eliminate the parallax of traditional industrial lenses so that objects of the same size but different distances can obtain images of the same size on the imaging surface.
Application: Suitable for high-precision measurement of geometric dimensions such as parallelism and verticality in 3C products.
5. Macro Industrial Lens
Features: It has a large magnification ratio and can be used to shoot smaller objects.
Application: In 3C inspection, it is often used for clear imaging and precise inspection of tiny parts and detailed structures.
In addition, there are some special types of industrial lenses, such as fisheye lenses, reflective lenses, pinhole lenses, etc. These lenses are relatively rarely used in 3C inspections but may have unique advantages in some special application scenarios.
In actual applications, the type of industrial lens you choose depends on the specific inspection requirements, working environment, and cost budget. For example, in the manufacturing process of mobile phones, you may need to combine machine vision technology to conduct an all-around, high-precision inspection of the camera. At this time, you may choose a zoom industrial lens or a telecentric industrial lens to meet the inspection requirements1. In the PCB circuit board inspection of electronic products such as Bluetooth headsets, you may choose a macro industrial lens or an industrial lens combined with AOI (automatic optical inspection) technology to improve inspection efficiency and accuracy.
Industrial lens types for 3C inspection：
Application cases of industrial lenses in 3C industry：
Recommend Lens:
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