Primary Applications of CNC Machining in the Automotive Industry

09 January 2023

Many industries now rely heavily on computer numerical control (CNC) machining in creating and manufacturing their prototypes and final products. CNC machining is a manufacturing process wherein tools can move automatically due to pre-programmed software and code. It somehow eliminates the manual control of the tools, which often poses dangers to operators.

Several tools can be utilised in carrying out CNC machining. These tools include turning mills, lathes, and grinders, which can all be effective in shaping and cutting a wide range of prototypes and parts. Pairing these tools with software and code allows CNC machining to generate output without any defects. CNC machining can also yield little to no waste, quicker assembly, minimal energy consumption, lower production costs, and optimised operations.

One of the industries that can benefit from CNC machining is the automotive industry. Here are some of the most common applications of CNC machining in the said industry.

Internal Combustion Engine

The internal combustion engine of vehicles is primarily comprised of the engine block, intake manifold, and cylinder. One fact about these parts is they require different cast aluminium alloys to be produced in huge quantities. The engine block, for instance, must be made from 383 aluminium alloys. Alternatively, the intake manifold and cylinder heads must be produced out of 319 aluminium alloys. CNC machining, fortunately, can produce these components since most of its tools can handle a wide array of materials.

Gearbox

A gearbox is a component of the transmission system that can change speed and torque. It often maximises a complex design as it features small dimensions and requires tight tolerances. Without carrying out the right process, a gearbox might only maximise misaligned dimensions. It may also boast some gear wear and faulty parts. CNC machining, however, can handle the production of gearboxes since its tools can already produce high-quality products without requiring more post-operations and processes.

Interior and Roof Panels

The interior and roof panels of vehicles should be made from lightweight yet durable materials so they can protect them from impact in case of collision. They must also protect the vehicles from outdoor elements without adding too much weight. And the only materials that can provide these qualities are plastics and polymers. By maximising CNC machining, the interior and roof panels of vehicles can boast thick and light qualities, eliminating the need to depend heavily on heavier and more fuel-consuming metal panels.

Starter Motors

Starter motors are also complex vehicle components that should be made with the right machining process and tools. CNC machining is only one of the few processes that can generate starter motors and other complex parts due to its precision and complexity. This process, alongside the right tools, can optimise the dimensions of these parts, ensuring that they can perform well under any conditions. CNC machining likewise allows the production of durable and reliable starter motors out of compatible metals.

Custom Components

One more application of CNC machining in the automotive industry is the creation of custom components. Custom components are often needed by owners of classic and vintage vehicles since most of them are not available in the market anymore. By working with a CNC machining company, these vehicle owners are guaranteed to acquire custom components such as engines, exhaust systems, and other interior parts for their respective cars.

To acquire vehicle parts out of CNC machining, you can contact us at Aero Spec Engineering.

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