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What are the applications of CNC technology in the automotive industry?

2022/09/21

With the rapid development of the automotive industry, CNC machine tools play a very key role in which the automotive industry not only relies on the technical progress of precision automotive CNC machining but also drives its development. Almost every production link of precision auto parts will use CNC machine tools. The following is mainly to introduce the use of CNC machine tools in the automotive industry.

 

CNC machine tools have the advantages of high precision and automation, these advantages determine what applications they can be used for. However, almost all industries will need CNC machine tools to process parts, and multi-axis CNC machine tools are very suitable for processing some extremely complex parts. Because CNC machines can handle almost any type of material, their application is very wide.

 

Numerical control machining is a cost-effective manufacturing process. This process is compatible with a large number of materials. Therefore, CNC machining is helpful for a variety of applications in a variety of industries. Manufacturers and mechanics use this process in various ways. This includes direct manufacturing processes, indirect manufacturing processes, or combinations with other processes.


 

What auto parts can be processed by CNC machine tools

 

1. Engine components

 

CNC machine tool processing (including CNC milling, CNC turning, wire EDM, and other processes) can be used to manufacture several important components of automotive internal combustion engines. For example, a large aluminum alloy cylinder block can be machined into an engine block (or block), a metal structure that includes the engine cylinder in which the moving piston moves up and down.

 

2. Precision parts in the gearbox

 

The gearbox is a very key transmission mechanism in the automobile, which has a large number of gears and shaft parts. Now in high-quality automotive manufacturing, all gears and shaft parts in the transmission can be manufactured directly by CNC machine tools. It has a significant advantage in machining gear and other high-precision machining parts. Nowadays, they are often manufactured using the gear shaping, shaving, and hobbing processes. Therefore, they have high machining accuracy and high production efficiency. After the shaft is processed into a ladder shaft, there is a milling keyway, drawing spline, and other processing technology, which greatly improves the accuracy of coordination. After the gearbox shell casting, the end face and axle hole must be milled on the CNC machining center machine tool, and the machining center can ensure the spacing between the shafts.

 


3. Other parts

 

CNC machines can process several other automotive parts, including but not limited to suspension parts, exhaust parts, carburetor housing, fluid system parts, bushings, and seats. Manufacturing techniques are also particularly useful for the customization of vehicles and their specific automotive parts, as CAD allows rapid changes in part designs and fabrication of custom parts.

 

In the automotive industry to use the advantages of CNC machine tools

 

Compared with manual machine tools, CNC machine tools in auto parts manufacturers have a relatively significant advantage in the processing speed, in the small batch production period delivery time is particularly short. Because the processing is done automatically by the computer, there is no need to take human constraints such as fatigue into account in the process.

 

However, in some cases, traditional processing may be faster, such as when only a single unit of an object needs to be produced. In these cases, the time required to create computer instructions may exceed the time required to manually process individual parts.

 

The accuracy and precision of the process are another reason why automakers favor CNC machines. The process is digital and autonomous with little chance of error, while ultra-precision CNC machines can provide tolerances of ±0.001 inch. It is understandable that such fine tolerances are often required in the automotive industry because the failure of the engine or other critical components can have serious consequences for the end user. The production of end-use metal parts often requires precision machining of automotive parts, although looser tolerances are available for prototype CNC parts.


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