Exploring the Various Types of Springs for CNC Machining(fiber vs co2 laser Jocelyn)

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CNC machining has revolutionized the manufacturing industry by enabling precise and efficient production of various components. In this article, we will delve into the fascinating world of springs and explore the different kinds used in CNC machining processes. Springs are vital mechanical devices that provide elasticity and store potential energy when subjected to external forces. Understanding the diverse types of springs is essential as they find applications in multiple industries, including automotive, aerospace, robotics, and more.

1. Compression Springs:

Compression springs are widely used in CNC machining due to their versatile nature. They work by resisting compressive forces applied at either end, providing resilience and absorbing shock. These springs are typically made from high-quality steel wire or alloys and come in various sizes and shapes tailored to specific requirements. The coiled structure allows compression springs to be easily accommodated within tight spaces, making them ideal for applications such as suspension systems, hinges, clamps, and pressure regulators.

2. Torsion Springs:

Torsion springs are designed to resist rotational forces or torque. As these springs twist along their axis, they store mechanical energy that can be released whenever the twisting force is removed. CNC machining processes enable precision manufacturing of torsion springs, ensuring consistent performance and longevity. Commonly found in doors, windows, and electrical switches, torsion springs play a crucial role in maintaining structural stability while offering controlled movement.

3. Extension Springs:

Extension springs function opposite to compression springs, generating resistance against pulling forces. These springs have loops or hooks on each end to facilitate attachment to other components. When extended, extension springs accumulate potential energy, which is released upon release of the axial force. CNC machining allows for accurate fabrication of extension springs, catering to specific load-bearing requirements. Some common applications include garage doors, trampolines, agricultural equipment, and industrial machinery.

4. Constant Force Springs:

Constant force springs are unique in that their extension remains nearly constant throughout the range of motion. These springs typically consist of a tightly wound strip of steel, providing smooth and consistent force delivery. CNC machining enables manufacturers to produce complex shapes or configurations for specific applications that require continuous pressure in limited space. Constant force springs are widely used in machinery, medical devices, automotive components, and various other industries requiring reliable spring performance.

5. Belleville Washers:

Belleville washers, also known as disc springs or conical washers, are curved spring-like discs designed to exert significant amounts of force when compressed. The uniqueness of belleville washers lies in their ability to generate high loads within restricted spaces. CNC machining ensures precise fabrication of these washers with varying thicknesses and sizes to suit diverse applications, including valves, ball bearings, power tools, and clamping systems.


The varied types of springs discussed above play crucial roles in numerous industries, facilitating smooth functioning of mechanical systems. CNC machining has emerged as an indispensable tool in producing high-quality springs that meet stringent design specifications. By understanding the characteristics and applications of different types of springs, manufacturers can make informed decisions regarding suitable options for their CNC machining projects. Whether it's compression springs for shock absorption, torsion springs for controlled movement, extension springs for load-bearing capacity, or more specialized springs like constant force springs and belleville washers, the versatility offered by CNC machining ensures precision and reliability in the production of these essential components. CNC Milling CNC Machining