Ultra-precision parts machining is a machining process that achieves extremely high precision by means of special processes, special machining and particularly fine tool making. This type of machining is characterised by the fact that the back draft is smaller than the grain size and the cutting takes place within the grain, which is completely different from the traditional cutting mechanism. The main processes for ultra-precision parts machining include soft machining, hard machining and electrical machining, and the selection of the appropriate machining process depends on factors such as the size, depth and wall thickness of the mould.

Accuracy and precision are important aspects in ultra-precision parts machining. Choosing the right material is critical to ensure the mechanical function and appearance of the part. Commonly machined materials include aluminium, stainless steel, carbon steel, brass and magnesium. Inconel is a nickel-based high-temperature alloy suitable for environments that may be subject to water corrosion or oxidation.

Ultra-precision parts machining requires the use of high-precision machine tools, such as CNC machinery or numerically controlled machines, which can accomplish the machining of many types of complex parts and assemblies. Commonly used machining methods include turning, milling, grinding, ball-bearing, and nut machining. Control of accuracy needs to rely on real-time detection and feedback mechanisms, as well as optimisation and adjustment of the machining process.

Ultra-precision parts machining has a wide range of applications, including aerospace, electronics, medical, automotive and other industries. For example, the manufacturing and processing of high-precision ball screws requires multiple processes, including turning, milling, grinding, ball machining, nut machining, and so on.

Overall, ultra-precision parts machining is a high-precision and high-efficiency processing method, which is of great significance to the development of modern industry.