Small machined components refer to mechanical parts that have small sizes compared to some large mechanical parts. It is hard to define which part is small or large.

According to our classification, the small machined parts are the mechanical components that their length does not exceed 100cm, or even not exceed 50 cm; Or their weight does not exceed 10 kgs, or even not exceed 5 kgs. They are relatively small in size or small in weight compared to conventional machined parts.

These kinds of micro or small machined components are usually machined by small sizes machining machines with high-precision requirements.

Some small machined parts can be produced by bulk production if they are standard parts; some other small mechanical parts need to be custom-made according to specific drawings.

These components can range from tiny precision parts to miniature assemblies, often with dimensions measured in millimeters or even smaller.

Key aspects and considerations regarding small machined components include:

Precision Machining:

Small machined components typically require high precision machining techniques to meet tight tolerances and ensure accurate dimensions. Advanced machining methods such as CNC (Computer Numerical Control) milling, turning, and grinding are commonly employed to achieve the required precision.

Complex Geometries:

Despite their small size, many small machined components feature intricate and complex geometries. Machining processes such as micro-milling, micro-turning, and electrical discharge machining (EDM) are used to fabricate intricate shapes and features with high accuracy.

Surface Finish:

Surface finish is crucial for small machined components, especially in applications where smoothness, aesthetics, or functional requirements are critical. Post-machining processes such as polishing, deburring, and surface treatment (e.g., anodizing, plating) are employed to achieve the desired surface finish.

Assembly and Integration:

Small machined components are often part of larger assemblies or systems. Careful consideration is given to assembly methods, including manual or automated assembly techniques, to ensure proper integration and functionality within the overall system.

Quality Control:

Quality control measures are essential throughout the manufacturing process of small machined components to maintain consistency, accuracy, and reliability. Inspection techniques such as coordinate measuring machines (CMM), optical inspection systems, and non-destructive testing (NDT) may be utilized to verify dimensional accuracy and detect defects.


Small machined components find applications across various industries, including aerospace, automotive, electronics, medical devices, telecommunications, and precision engineering. Examples include miniature gears, bearings, connectors, microfluidic devices, and watch components.

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Overall, small machined components play a crucial role in modern manufacturing, enabling the creation of compact and intricate parts that are essential for a wide range of industries and applications.

Published On: April 8th, 2024 / Categories: Technology /

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