Precision CNC Machined Flange Bushing

This disc-shaped component features a central through-hole and an eccentric, irregular outer profile. It is commonly used in rotating connections that require specific positioning or asymmetric installation spaces. While the main body exhibits rotational symmetry, flat or stepped surfaces are machined on the exterior to limit rotation angles or provide mounting references. Typical applications include transmission components in automation equipment, pump and valve systems, and precision automotive parts.

The key manufacturing challenges lie in ensuring the coaxiality between the inner hole and the outer circle, as well as the angular positional accuracy of the irregular outer profile relative to the central axis. Due to the transition between turning and milling operations, turn-mill composite machining or secondary clamping is required to ensure dimensional consistency across all feature surfaces. For inner bore surfaces with fit requirements, external or internal cylindrical grinding can be combined to achieve precision tolerance grades such as H7 and surface roughness within Ra0.8.

Changzhou Senboyu Electric possesses resources including CNC lathes, Swiss-type lathes, and machining centers, supporting customized production in materials such as stainless steel, carbon steel, aluminum, and copper alloys. For such non-standard parts, we recommend providing 2D drawings (highlighting key geometric tolerances like perpendicularity and coaxiality) and 3D models to evaluate the optimal processing route. The factory is equipped with comprehensive inspection methods, including 2D video measuring systems and pneumatic gauges, to effectively control consistency in mass production.