Precision Engineering Machinery Motor Shaft

This component is a Precision Engineering Machinery Motor Shaft designed for stable rotational transmission and structural support in high-precision equipment. The shaft is machined to tight tolerances with a smooth surface finish, ensuring consistent performance in machinery, power units, and customized motion assemblies. Both threaded ends allow secure fastening with mating components, making it suitable for applications requiring a Custom Machined Shaft.

The shaft is manufactured from alloy steel and processed with H1075 heat treatment (hardness Rc 31–39) to improve strength and fatigue resistance. All machining operations are completed after heat treatment to ensure dimensional consistency. The final surface treatment follows MIL-S-13165B AMD 2 shot peening, using S-110/170 media, 0.006–0.010 A intensity, and 100% coverage. This process forms a protective layer that enhances long-term fatigue life and durability under repeated loading.

The shaft has a long cylindrical form with a total length of 6.895 inches and a main diameter of 0.5 inches. The center section is uniform, while both ends transition to threaded segments through tapered steps, ensuring alignment and stable installation. The smooth machined surface combined with shot-peened reinforcement enables reliable performance in environments involving friction, vibration, or cyclic stress, characteristic of a High Strength Drive Shaft.

This shaft is widely used in mechanical systems, motor assemblies, automation equipment, and precision motion mechanisms. Its enhanced fatigue strength and stable structure make it suitable for high-load, high-speed, or long-duration applications. It meets the reliability requirements of advanced machinery where durability and performance consistency are critical.

 

 

FAQ

 

 

Q: What material and heat treatment does this motor shaft use?

A: The shaft is made from alloy steel and undergoes H1075 heat treatment, achieving a hardness of Rc 31–39. This treatment increases strength, stability, and fatigue resistance for demanding mechanical applications.

Q: What shot peening standard is applied to this part?

A: It follows MIL-S-13165B AMD 2 requirements. The process uses S-110/170 shot size, 0.006–0.010 A intensity, and 100% coverage, ensuring improved fatigue life and surface durability.

Q: What are the main dimensions of this shaft?

A: The overall length is 6.895 inches, and the main shaft diameter is 0.5 inches. Both ends feature tapered transitions leading to threaded sections for stable assembly.

Q: What applications is this shaft suitable for?

A: It is designed for mechanical systems, motor units, automation equipment, and precision motion mechanisms-especially where high fatigue strength, long service life, and reliable rotation stability are required.

Q: Can this shaft be customized for different specifications?

A: Yes. The structure and machining details can be customized for different tolerances, thread types, materials, or heat-treat conditions to fit various Precision Engineering Machinery or OEM application needs.