The following analyzes this component from the perspectives of material, structure, function, and manufacturing process:

一、Material

From the texture of the metal part, the main material is aluminum alloy 6061 series, which has characteristics of lightweight, easy machining, and corrosion resistance; the outer black part is engineering plastic (such as ABS or PC), providing protection, aesthetics, and shock absorption. This 'metal + plastic' combination is common in precision equipment as it balances structural strength and lightweight requirements.

二、Structure and Function

This component has a cylindrical connection structure, with metal rings at both ends and a plastic part connecting the middle, designed as a 'modular interface.'

Function:

- The irregular holes and multiple sets of protrusions/grooves on the left metal ring serve as a mechanical interlock with another component, ensuring positioning accuracy and connection strength during assembly;

- The internal slot and threaded hole on the right metal ring are used to secure internal components (such as electronic modules, bearings, or transmission elements);

- The streamlined design of the plastic middle section provides protection (preventing direct metal impact) and lightweight structure, while also offering some shock absorption.

三、Manufacturing Process

The manufacturing process can be divided into several steps:

- Metal part: precision CNC machining is used to create the irregular holes, threaded holes, and slots on the aluminum alloy rings;

- Plastic part: produced via injection molding and combined with the metal rings using 'overmolding' or 'ｉｎｓｅｒｔ molding,' ensuring a secure connection;

- Surface treatment: the metal part is finely milled to maintain its original color, while the plastic part is colored during injection molding to achieve a black appearance. The overall process balances precision and cost.

四、Application Scenarios

Given the component's 'precision connection and modular assembly' characteristics, it is used in optical devices (such as lens adapters or microscope assemblies) to ensure precise alignment and protection between different components, maintaining stability and reliability of the internal structure during assembly and use.

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