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How employees who assemble electronic products in PCB Assembly process manage antistatic devices to avoid electrostatic damage and improve the quality of electronic products in PCB Assembly process. IPCBer, Technical Engineer of PCB Assembly in Shenzhen, will introduce the following anti-static requirements for you.
Electrostatic protection
1. Static electricity safety workbench in PCB Assembly workshop: It consists of workbench, anti-static workbench cushion, wristband connector and ground wire.
2. There should be more than two wristband connectors installed on the antistatic table mat in the PCB Assembly workshop, one for the PCB Assembly technical operator and one for the PCB Assembly technician or the PCB Assembly inspector.
3. It is not allowed to stack plastic boxes, rubber, cardboard, glass and other impurities that are prone to static electricity on the anti-static safety worktable. Drawings and materials should be placed in anti-static file bags.
4. Anti-static wristband in PCB Assembly workshop. Operators who have direct contact with electrostatic sensitive components must wear anti-static wristband, which should have good contact with human skin.
5. Antistatic containers in PCB Assembly technology shop, parts fixing bags, turnaround boxes and PCB circuit board mounting and unloading racks in PCBA processing production site should have electrostatic protection function. Metal and ordinary containers are prohibited and all containers must be grounded.
6. Anti-static clothing in PCB Assembly technology workshop. Operators entering the static electricity workspace and those contacting SMD components must wear anti-static clothing, especially in dry environment with relative humidity less than 50% (e.g. autumn and winter). All anti-static clothing fabrics in PCB Assembly technology workshop must conform to relevant national standards.
7. All personnel entering the PCB Assembly technology workshop working area of PCB Assembly board manufacturer must wear anti-static work shoes and static caps. People wearing normal shoes should use conductive shoelaces, anti-static shoelaces or heel straps.
8. Transmission belts and shafts used on the production line of PCB Assembly technology shop should be equipped with anti-static ground brushes and poles.
9. The ionic wind electrostatic eliminator can be used on the surface of the conveyor belt.
10. The assembly fixtures, test fixtures, welding tools and various instruments used on the PCBA processing site in the PCB Assembly workshop should be equipped with good grounding wires.
11. Antistatic test benches should be installed at the entrance of PCBA processing site in PCB Assembly workshop. Everyone who enters the PCBA production site should undergo an antistatic test and must pass the test before entering the PCB Assembly technology shop.
These are the basic PCBA processing and assembling electronics plant management anti-static equipment, after several years of development, many PCB Assembly production workshops on this basis add several new.
12. The PCB Assembly technology workshop of PCB Assembly board manufacturer needs to install real-time monitoring equipment, so as to monitor the static electricity occurrence of human body, equipment and cushions at any time, so as to discover problems and solve them at the first time.
13. Install anti-static monitoring system in PCB Assembly technology workshop to visualize and analyze the static electricity occurrence, so as to facilitate the management of static electricity protection in PCBA processing PCB Assembly technology workshop.
