CNC Precision Stepped Shaft Sleeve

Please provide 2D/3D drawings detailing key dimensional tolerances, coaxiality requirements, and surface roughness standards. This allows for a thorough process evaluation of stepped shaft sleeves featuring multi-stage outer diameters and central through-holes. Typically used as transition connectors or positioning guide components in precision transmission systems, these parts utilize stepped surfaces of varying diameters for axial limitation and radial centering. They are commonly found in automation equipment modules, instrument rotating shaft supports, and fixture positioning stages.

The core of the manufacturing process lies in ensuring strict coaxiality of multiple outer diameters relative to the central axis, as well as the perpendicularity of the step end faces. This prevents eccentric loading, jamming, or rotational runout after assembly. Given the moderate length-to-diameter ratio and the presence of both internal and external rotational features, it is crucial to control clamping deformation's impact on bore tolerance to ensure inner diameter consistency during mass production. Additionally, chamfers at step transitions must be uniform and burr-free to avoid stress concentration and enhance assembly smoothness.

Shenzhen Chaozhuo Kuaijie Technology Co., Ltd. is equipped with CNC lathes (such as Precise brand) and high-precision machining centers. We possess the capability for precision turn-mill composite processing of various metal materials, including stainless steel, carbon steel, aluminum, and copper alloys. For custom parts requiring high-gloss mating surfaces and strict geometric tolerances, our factory optimizes material selection and tool paths based on drawing requirements. We provide a one-stop solution from roughing and finishing to surface treatment, ensuring delivered products meet stringent assembly standards in terms of dimensional stability and appearance quality.