Dalian precision machining is composed of motor system, electric control system and assembly. Among them, the motor, electronic control and assembly are basically the same as those of traditional cars. The reason for the price difference lies in the battery drive system. In terms of the cost composition of new energy vehicles, the battery drive system accounts for 30-45% of the cost of new energy vehicles, while the power lithium battery accounts for about 75-85% of the cost composition of the battery drive system.

On the premise of ensuring product quality, the only way to make cheaper products is to pursue automation, reduce production costs, reduce production costs and improve production efficiency. Non standard equipment automation equipment also belongs to the field of automation, but the difference is that its production is not as simple as ordinary equipment.

Free forging is a processing method in which a metal blank is placed on an anvil to bear impact or pressure and formed (it is called "forging" in the market). The blanks of automobile gears and shafts are processed by free forging. The development of automobile industry not only depends on the development of machine tool industry, but also promotes the technological progress of machine tool industry. It provides a huge market for the development of auto parts enterprises.

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