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What is machine vision?

Visual inspection is an important branch of computer science. It integrates technologies such as optics, mechanics, electronics, computer software and hardware, and involves computers, image processing, pattern recognition, artificial intelligence, signal processing, optomechanical integration, etc. field. Its functions and application range are gradually improved and promoted with the development of industrial automation, especially the current digital image sensors, CMOS and CCD cameras, DSP, FPGA, ARM and other embedded technologies, image processing and pattern recognition technologies are developing rapidly , Which greatly promoted the development of machine vision. The machine vision solution is to use machines instead of human eyes to make various measurements and judgments.

Applications of machine vision

The application and popularity of machine vision is mainly reflected in the semiconductor and electronic industries, of which about 40%-50% are concentrated in the semiconductor industry, such as PCB printed circuits: various production printed circuit board assembly technologies and equipment; single, double, and multilayer circuits Boards, copper clad laminates and required materials and auxiliary materials; auxiliary facilities and consumables, inks, medicaments, accessories; electronic packaging technology and equipment; screen printing equipment and screen peripheral materials, etc. SMT surface mount: SMT process and equipment, soldering equipment, test equipment, rework equipment and various auxiliary tools and accessories, SMT materials, patch tablets, adhesives, flux, solder and anti-oxidation oil, solder paste, cleaning agents, etc.; Reflow soldering machine, wave soldering machine and automated production line equipment. Electronic production and processing equipment: electronic component manufacturing equipment, semiconductor and integrated circuit manufacturing equipment, component molding equipment, electronic tooling. The machine vision system has also been widely used in all aspects of quality inspection, and its products occupy a pivotal position. In addition, machine vision is also used in various other fields.
In response to the global trend of environmental protection and energy saving and the requirements of laws and regulations, the promotion and application of LED has a huge market. At the same time, the requirements of LED production equipment are higher and higher. In order to improve product quality, reduce production costs and improve production efficiency, enterprises actively develop automatic production equipment to improve the competitiveness of enterprises. Therefore, it is necessary to improve the product accuracy and production efficiency of the solidification machine and other equipment.


Hotntech IPC for machine vision

The intelligent product positioning system of Hotntech vision positioning system uses high-definition area array industrial cameras to image components, and through intelligent algorithm analysis, accurately locates the position of the components and guides the robot to assemble. The system is widely used in mobile phone manufacturing, PCB placement, PCB dispensing and other fields, greatly improved production efficiency. The main development idea of the intelligent product positioning industrial computer system is fast. The system architecture uses high-speed area array industrial cameras, and the image acquisition speed can reach more than one hundred frames. In terms of precision development, the use of sub-pixel image processing algorithms can achieve um extreme precision. The communication protocol is rich, and the project supports various fieldbus protocols such as PROFIBUS and PROFINET.

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