Wholesale Quality Fast PCB Manufacturing Process Factory Companies
Fast PCB Manufacturing Process
Here we would like to talk about the characteristics of PCBA processing supply chain. The supply chain of PCBA electronic assembly industry usually includes four levels of enterprises. The top enterprises are the most downstream enterprises in the supply chain, which directly face the final customers, while other enterprises at all levels are the suppliers of the upper level enterprises.
Wholesale Fast PCB Manufacturing
Top enterprises have ultimate sales channels, brand and design capabilities, as well as certain production capacity. In today's globalized world, many top companies sell their products all over the world rather than in one region. In addition, these top companies are also distributed around the world. Second-level enterprises are ODM or PCBA contractors, who are involved in product design and final assembly. Secondary enterprises may also have their own brands on certain kinds of products, and sometimes they will have a certain competitive relationship with top enterprises. Tertiary enterprises provide product components or components for manufacturing of secondary enterprises. Four-level enterprises are generally suppliers of three-level enterprises. This creates a complex supply and purchase relationship.
Quality PCB Manufacturing Process
Next comes the products. In addition to some top enterprises which are only responsible for design and sales, there are a large number of products for all levels of enterprises involved in manufacturing, and the number of products increases with the decrease of the level of enterprises in the supply chain. A level-4 company may have thousands of products. Product complexity generally increases with the level of the enterprise in the supply chain. Products have a gradual trend to customizing development, and the higher the level of enterprise products, the higher the degree of customizing. This has also led to a decline in the number of batches per variety. In most cases, the BOM of a company's finished products contains the half-finished products made by the company.
PCB Manufacturing Factory
The third is planning. For most enterprises, production planning is based on customer orders (BTO), so relevant procurement plans and material preparation plans are made around customer orders. The production plan is very complicated because of the variety of products. Customer orders change frequently and deviations often occur in the execution of production plan, which leads to the fact that even if the SMT production plan is made, the production cannot be carried out in full accordance with the plan. Similarly, capacity requirement plan and material requirement plan are difficult to make and implement.
The fourth is the production process, the production task is in a great deal, and the production process control is very difficult. There is a large amount of production data, and the data collection, maintenance and retrieval work is heavy. The production line has various forms, including streamline, work center, work unit and hybrid (refers to the assembly line or work unit used in the work center). The above four forms may exist in different stages of the manufacturing process of the same product in the same enterprise.
PCB Manufacturing Companies
There is a need for outsourcing in product manufacturing. The manufacturing speed of finished products depends on the manufacturing speed of homemade semi-finished products and outsourcing products due to the existence of homemade semi-finished products and outsourcing products. Because of the variety of products and non-standard products, equipment and workers must be flexible enough to adapt. The manufacturing process of products frequently involves materials, people, equipment, tools and other factors, which will directly affect the quality of products, and it is difficult for enterprises to control these factors at present.
The fifth is cost calculation. Raw materials, semi-finished products, finished products and waste products are frequently put into storage. Cost calculation is complicated, so it is necessary to collect and allocate costs according to the cost objects and along with the production process. Most of the manufacturing costs except direct materials are amortized, which is difficult to control the manufacturing costs of products. Pay attention to the difference between actual cost and standard cost and the cost analysis from different angles.
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