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FAST TURN PCB is a circuit maker specializing in PCB manufacturing and assembly, with excellent and quick turn PCB fabrication and circuit card assembly capabilities.

SMT production environment requirements

SMT surface mount processing requires strict control of the production environment, including suitable temperature and humidity, dust prevention, electrostatic protection, and good lighting and noise control. Meeting these environmental requirements is crucial for ensuring product quality and efficiency.

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1、 Temperature control
The SMT production line has strict requirements for environmental temperature. Excessive or insufficient temperature can have adverse effects on electronic components and welding quality. Generally speaking, the temperature in the SMT workshop should be controlled between 23 ℃ and 27 ℃. This is because within this temperature range, the viscosity of solder paste, the electrical and mechanical properties of electronic components can be maintained at their optimal state. Meanwhile, a stable temperature also helps to reduce thermal stress during the production process, thereby improving the reliability and stability of the product.
2、 Humidity management
In addition to temperature, the humidity in the SMT workshop is also an environmental parameter that needs to be strictly controlled. Excessive humidity may cause the solder paste to absorb too much moisture, resulting in the formation of bubbles or poor welding during the welding process; Low humidity may cause static electricity problems. Usually, the relative humidity in the SMT workshop should be maintained between 40% and 60% to ensure the smooth progress of the production process.

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3、 Dust control
Dust is an undeniable source of pollution during SMT surface mount processing. Dust may not only adhere to electronic components, affecting their electrical performance, but may also cause short circuits or poor soldering during the welding process. Therefore, effective dust prevention measures must be taken in the SMT workshop, such as using efficient filtration systems and regularly cleaning the workshop, to ensure the cleanliness of the production environment.
4、 Electrostatic protection
Static electricity poses a great potential threat to the SMT surface mounting process. Electrostatic discharge may damage electronic components, leading to a decrease in product performance or complete failure. Therefore, the SMT workshop must establish a comprehensive electrostatic protection system, including the use of personal protective equipment such as anti-static work clothes, anti-static wristbands, and anti-static shoes, as well as ensuring good grounding of workshop floors, workstations, and other facilities.

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5、 Lighting and noise control
Good lighting conditions are crucial for ensuring the quality and efficiency of SMT surface mount processing. The workshop should provide uniform, soft, and sufficiently strong lighting to ensure that operators can clearly identify and process electronic components. Meanwhile, noise control is also an essential aspect that cannot be ignored. Excessive noise not only affects the physical and mental health of operators, but may also interfere with their judgment and operational accuracy. Therefore, effective sound insulation and noise reduction measures should be taken in the SMT workshop to create a comfortable working environment for operators.

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