The key role of SMT machines in mass production is reflected in their efficient and accurate performance. With its advanced technology and automation functions, SMT machines achieve high-speed mounting of electronic components, thus greatly improving production efficiency. Through the precise positioning and high-speed operation of the SMT machine, the precise position of the electronic components on the PCB board can be ensured, thereby reducing the error rate in the production process and improving the quality and reliability of the product. It also reduces labor costs, making mass production more competitive.