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What’s the production process of a car charger?
In the eyes of many people, the normal process for a factory to produce a car charger is:
1. Making the shell:
Production shell: The factory designs the appearance according to the needs of customers. After confirming, open the mold and inject the plastic material.
Printing LOGO: After injection molding, the plastic parts are sprayed with oil. After spraying, they need to be baked. After the paint is dry, screen printing and bronzing are performed.
2. Making PCBA:
① PCB production: According to functional requirements, electronic engineers develop electronic circuit parts, select appropriate solutions, electronic design schematics, and draw circuit board (PCB) drawings, and then produce PCB;
②SMT (SMT): SMT mounter installs chips, resistors, capacitors, inductors and other components on the PCB in order;
③Plug-in (DIP): The PCB is pasted, and the plug-in is pulled up to perform the plug-in process. DIP will be subdivided into the plug-in, pressing parts, immersion tin, cutting electronic feet, and other processes;
④Post soldering (repair soldering): After the plug-in is pulled up, the circuit board after tin immersion, and some electronic components have not been tinned well, at this time, post soldering is needed to solve it;
3. Test: Perform functional test, assembly test, aging test, and other tests.
4. Production packaging materials:
Product packaging materials: plastic bags, instructions, color cards, color boxes, blister, etc.
Cartons: production and printing of packaging cartons.
The charger is mainly composed of a shell and PCBA. After preparation, assemble the housing and PCBA together.
According to the customer’s requirements, the packaging is carried out, and the packaging includes a bar code, a price code, and instructions for use.
According to the packing specifications, put the products into cartons, pack them, and then wait for shipment arrangements.
This is not the case. In China, after receiving an order, most factories usually allocate the entire production process of the product according to their actual conditions, adopting part of their own production and part of outsourcing for production. Basically, no factory does all the processes independently.
But the specific operation depends on the scale of the factory because the scale of the factory determines the production links the factory is responsible for:
The complete production environment is as follows: shell + PCBA + packaging material + assembly + testing + packaging
After receiving an order, a small factory is usually only responsible for a small part of the production process (assembly + testing + packaging). The other links (shell + sheet + LOGO printing + oil spray + label + carton) are all outsourcing. Outsourcing refers to purchasing from a factory that specializes in this part.
The medium-sized factories complete most of the links themselves: shell + LOGO printing + PCB + testing + packaging + assembly
Outsourcing: PCBA + label + fuel injection + carton
Large factories are responsible for the core links: shell + board + LOGO printing + testing + packaging + assembly
Unimportant parts are usually made by a cooperating factory or small factory: label + carton + fuel injection.
Of course, large factories do not exclude all production and design by themselves. Because large factories have their own advantages, both technology and manpower are definitely better than in small factories.
Therefore, when purchasing in China, you must first evaluate your own suppliers. Make an assessment based on your actual situation, such as price, delivery, quality, etc. Then, look at the scale of your supplier and the technical capabilities. Finally, choose the supplier that suits you.
If you need to evaluate suppliers or find a suitable supplier, please contact us.