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What are the characteristics of the CNC milling process?

Views: 6     Author: Site Editor     Publish Time: 2022-04-21      Origin: Site

CNC lathes can process complex rotary shapes. Milling is fixing the blank and using a high-speed rotating milling cutter to go over the blank and cut out the desired shape and features. Traditional milling, on the other hand, is commonly used to mill simple profile features such as contours and slots. CNC milling machines can perform machining of complex shapes and features. Milling and boring machining centers can perform three-axis or multi-axis milling and bore for machining molds, inspection tools, tire tools, thin-walled complex surfaces, prostheses, blades, etc. When choosing the content of CNC milling processing, the advantages and key role of the CNC milling machine should be fully utilized.

This article will introduce in detail the characteristics of the CNC milling process, let's go together to understand it!

First, the characteristics of milling workpiece

Advantages: simple and advantageous processing structure. Using the high-speed milling function of the 5-axis, it can process a variety of complex shapes of the workpiece.

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Disadvantages: processing complex workpieces, processing costs will be greatly increased. Many complex workpieces, thin-walled workpieces, deep and narrow groove processing, microfabrication, etc. are difficult or even impossible to process.

Second, milling machining accuracy

Advantages: processing accuracy is higher, for some workpieces eliminate the secondary processing of polishing. Especially for some material brittle non-metal materials, the processing accuracy is better. For example, in graphite electrodes, due to the high cutting speed and low cutting volume of high-speed milling, the electrode edge can ensure a good sharp angle, so it will not cause the phenomenon of chipping.

Disadvantages: need expensive high precision, high rigidity machine tools, for the inner edge processing can not be achieved, there are reasons such as tool interference, no suitable tool, but also need to use the clamp secondary processing.

Third, milling processing materials

Advantages: can be processed below the hardness of a variety of metal materials, non-metallic materials, etc. For materials with lower hardness, the processing advantage is more obvious because there is less tool wear.

Disadvantages: processing a hardened workpiece, the tool is expensive and high cost, and the tool life is very low.

Fourth, milling processing speed

Advantages: Because of the higher processing efficiency of high-speed milling, shorten the delivery time of the workpiece, greatly improving productivity.

Disadvantages: high requirements for the control system of the machine tool. Programming and operator technical quality requirements are very high, the dependence on personnel is strong, unreasonable programming or improper operation will occur in serious accidents, the light workpiece scrap, the heavy loss of machine accuracy spindle damage. So when there are these problems, the popularity of high-speed milling there is the considerable difficulty.

These are the characteristics of the CNC milling process, with the continuous improvement of CNC technology, the equipment, tools, and other higher requirements.

If you are looking for a trusted CNC milling company, you can contact us, we offer CNC milling services for any type of custom CNC parts, whether plastic or metal, simple or complex. With our precision 3-, 4-, and 5-axis CNC milling centers, combined with other advanced capabilities and an experienced team, we can deliver high-quality CNC parts with fast delivery.

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