Environmental requirements for SMT assembly

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One type of high-precision mechatronics equipment is SMT production equipment. There are environmental cleanliness, humidity, and temperature requirements for the process materials and equipment. The following conditions must be met in the working environment during the SMT patch processing process to guarantee the equipment's normal operation and assembly quality: Maintain the plant hygienic, dust-free, and gas-free from corrosives. The production workshop's ideal ambient temperature is 23±3°C, usually between 17 and 28°C, and its relative humidity is between 45% and 70%.

Stable power supply provides stable voltage, but also needs to pay attention to temperature. It is best at around 20 °C. Humidity is also very important. The humidity should be around 45%.

Be sure to keep the working environment clean and hygienic. Do not touch some corrosive effects. gas. It is also necessary to cooperate with centralized air conditioners. In the whole operating environment, it is necessary to pay attention to the anti-static. The production equipment must have a certain independent grounding. The ground workbench seats must use some materials with anti-static requirements.

To make sure the factory's cleanliness reaches 100 thousand grade, the factory should pay a lot of money for that. And the normal factory can’t get that. To get this kind of environment, when the workers come to the workshop, they have to extract to vacuum, and there is negative pressure in the whole workshop. In today's highly competitive market environment, the companies’ profit is very small, if you can’t reach this requirement, you have to have some rules with the air cleanliness, such as the carton which can bring a lot of dust can’t get to the SMT workshop.