A regular lathe relies on gears and regular screw nuts for transmission. Due to the presence of gaps between each motion pair and inaccurate manual operation, the repeatability accuracy is low. Ordinary lathes require manual measurement after parking, resulting in significant measurement errors and low efficiency. Suitable for small batch sizes, low precision requirements, and miscellaneous parts. It has a lower investment than CNC but requires higher operational skills from workers, resulting in a higher salary level. The scrap rate and productivity of low-level workers can give you a headache.

The CNC lathe relies on a stepper motor to drive the ball screw drive. As the ball screw can have interference, the drive has no clearance, and the accuracy is mainly guaranteed by the machine itself and the program. During the machining process, it can automatically measure and compensate for errors caused by tool wear and other reasons. So the processing quality is good and the accuracy is stable. Programming methods can also be used to turn parts with complex shapes that are difficult to machine with ordinary lathes. Suitable for parts with high precision, large batch size, and complex shapes. But small-scale production is also very useful. Its maintenance cost is higher than that of a regular lathe.

Vertical lathes are mainly used for large parts, and their spindle is vertical. Vertical lathe also has CNC control. Due to the increasing shortage of highly skilled talents, new enterprises often adopt CNC technology to improve productivity and product quality, reduce scrap rates and costs.
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