PCB circuit board supply chain management is actually production material management, that is, from materials and component manufacturers to distributors, to terminal products pcb manufacturers, strengthen management of the entire supply chain. Stablizing raw material supply and quality are the basis for ensuring the long-term stability of pcb manufacturing quality.
Lead-free pcb manufacturing production material management is more stringent than lead. Enterprises must carefully consider the management of physical flows from the procurement of components and other materials, lead-free components, PCB, technics materials identification, storage, online control, and until the lead-free products are shipped out.
PCB board supply chain management mainly controls the following:
1.Strengthen the management of upstream suppliers;
2.Procurement control (evaluation and certification of components, PCBs, and process materials, if permitted and necessary);
3.Preparation of materials;
4.Component number and identification;
5.pcb manufacturing material management automation;
6.Production line setup verification;
7.Traceability and BOM of materials;
8.Training on the storage of components, PCBs, and technics materials.
9.Training all the people involved in pcb manufacturing.
① Prepare a actual product surface soldered pcb assembly board . Because printed solder paste and the PCB assembly board without soldering cannot fix the test end of the thermocouple, it is necessary to use the soldered actual product for testing. In addition, the test sample cannot be used repea...
Most military industrial enterprises in China use epoxy insulation varnish as a three-anticoating material, using traditional immersion, brushing and spraying processes. Because the output of military products is relatively small, many companies use manual operations. The main disadvantage of man...
Pcb prototypes samples need to be aged prior to solderability testing. Because the solderable surface of the component or PCB circuit board that has just been produced is generally not problematic, it will deteriorate due to oxidation after being stored for a period of time. The test must conside...