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The CNC machining process is suitable for a variety of engineering materials, including:

Metal (e.g., aluminum, brass, stainless steel, alloy steel, etc.)

Plastic (e.g., PEEK, PTFE, nylon, etc.)

Foam

Composites

The optimal material for selection to apply to a CNC manufacturing application is largely dependent on the particular manufacturing application and its specifications. Most materials can be machined provided that they can withstand the machining process—i.e., have sufficient hardness, tensile strength, shear strength, and chemical and temperature resistance.

 

This CNC process is  not only suitable for a wide range of materials, but finds application in a variety of industries, such as  Electronic equipment, automotive, aerospace, construction, and agriculture, and able to produce a range of products, such as automobile frames, surgical equipment, airplane engines, gears, and hand and garden tools,  large CNC machining, machining of parts and prototypes for telecommunications, and CNC machining aerospace parts, which require tighter tolerances than other  industries.

 

Tighter tolerances usually mean higher costs. For example, if the product designer specifies a tolerance of ±0.10 mm on a hole diameter of 6.0 mm, this tolerance could be achieved by a drilling operation. However, if the designer specifies a tolerance of ±0.025 mm, then an additional reaming operation is needed to satisfy this tighter requirement.

 

This is not to suggest that looser tolerances are always good. It often happens that closer tolerances and lower variability in the machining of the individual components will lead to fewer problems in assembly, final product testing, field service, and customer acceptance. Although these costs are not always as easy to quantify as direct manufacturing costs, they can nevertheless be significant.

 

When providing CNC drawings for production , it's important to include any necessary tolerances.

Though CNC machines are very accurate,  To save on costs, buyers should  specify General tolerances and special tolerances.

For example, the common tolerance of this product is 0.1-0.3MM.

But the special areas of the part that will need to be especially accurate;such as this hole, have a specified tolerance of 0.1MM, because they will come into contact with other parts.

 

The basic CNC machining process includes the following stages:

Designing the CAD model

Converting the CAD file to a CNC program

Preparing the CNC machine

Executing the machining operation

 

Typically, the workpiece will first undergo an initial phase in which it is roughly machined to the approximate, custom-designed shape and dimensions, and then undertake a finishing phase in which it experiences slower feed rates and shallower cut depths to achieve its more precise and accurate specifications.

 

This is the product after CNC machining, very accurate and good-looking.

 

Wait for after surface cleaning and surface treatment,quality inspection and packaging, Can be sent to the hands of the customer ~"


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