The knife tool of CNC machining
A high quality CNC tool for difficult to process materials must have a fine grain CNC machining tool base, a sharp machining angle, a strong machining edge, and a heat-resistant surface coating. According to the experience of difficult processing materials used in the past, the reasonable selection of processing methods and parameters is very important for the processing of this kind of hard material. It is very effective to use special processing techniques to improve the processing efficiency and prolong the life of CNC machining tool.
No matter which machining method is used, the purpose is to minimize the tip of the machining parts and the temperature of the machined parts, to prevent the hardened surface of the machined parts and the high temperature of the blade tip, to increase the heat dissipation area and to control the processing force. Such as cutting and large feed milling can improve the machining efficiency and extend the life of CNC cutting tools.
First, adequate cooling, proper machining speed, effective chip breaking, and reasonable CNC machining tool wrap angle are very effective for controlling the tip temperature. For the CNC and CNC cutting tools with internal cooling, the internal cooling function which is most conducive to cooling should be used as much as possible so that the powerful high pressure water can take away a large amount of processing heat to ensure that the processing area is kept in a certain temperature range. Even if machining equipment with no internal cooling function is applied, it is recommended to use external internal cooling knife handle, at the same time enhance cooling pressure and improve cooling effect.
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