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PCB assembly technology
Dec 08, 2017

  PCB assembly industry is rapidly adopting surface mount technology, STM production line has more than 10,000. PCBA industry, an important processing equipment is a computer-controlled automated production equipment. In particular, the self-development and design capabilities of most manufactured electronics and high-tech enterprise companies are automated processes for the production of printed circuit boards, whereas programmers who produce equipment, prepare data and program time have spent a considerable amount of time quickly updating The requirements of the production features are designed to shorten the research and development of products with shorter processing equipment, effective production time, production preparation time, small quantities of production characteristics, and more diverse needs of the market at the same time. How these flows of information shared between the connected product design and the product is removed from the "automated island" of the "wall" between the production information integration and organic CAD design systems and automated production equipment, automation and production automation design "Deployment This is a problem that needs to be solved with CIMS technology.

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Based on the factory computer network database, PCB assembly industry entities can increase throughput, record quality, capacity, manufacturing information systems and circuit assembly in CIMS systems. The system controls and monitors screen printers, dispensers, dispensers, plug-ins, test equipment and other pipelining equipment. When something goes wrong, CIMS can feed back information to the operator or process engineer and point out the exact location of the problem. A relatively complete CIMS system should have the following four elements:

First of all, this system has realized the CAD and the computer-aided manufacturing information integration, this is the most basic part of CIMS system. Automated design automation between subsystems and manufacturing information integration, CAD data can be converted to automatic production equipment manufacturing data, that is, automatic pro. This feature makes it easy to convert products on the production line. Without having to convert the required product line to automatically program or modify the device settings of each device automatically to implement the computer program, test the data, and also reflect the CIMS system to record the last few hours of day product Conversion, you can achieve a few minutes now. This article will focus on the CAD / CAM integration approach in the next chapter.

Second, CIMS should provide manufacturability analysis and testability analysis tools. By analyzing the CAD manufacturing possibilities in the design department, tool designers can analyze the ease of testing, improve success rate design, facilitate feedback of mass violations, and concurrent engineering design and manufacturing systems to provide reasonable and efficient detection of detectable resources Measures, design engineers help to improve the design of the product for easy inspection.

Third, you can refer to the production plan to provide CIMS. Taking into account the additional parameters required for comprehensive analysis, machine utilization and transfer cycles, the system of assembly products maximizes production and assembly efficiency. CIMS is a long-term strategic consideration that can be used for short-term planning as well as plant capabilities.

Finally, CIMS has to balance the process optimization and the production line. A key feature of CIMS is optimizing components by automatically loading and sorting products, placing and placing components, and machine speed. At the same time, the system must make a reasonable choice by assigning components to the correct machine or using manual assembly.

In PCB assembly, PCBA manufacturers did not provide a strong relationship, a kind of CIMS board with complex components using different sizes of PCB processing, CIMS can provide a complete solution at the same time, CIMS is heterogeneous equipment integration A link to ensure rapid product transformation, quality and yield.