Good command of CNC machining kind of metal parts needs 1-2 years of study, the operation is exquisite feel, beginners, especially college students, the heart understand how to do, but the hand is not obedient. To learn in this process, the operation of the system method, the installation of fixture, the benchmark for parts is, the knife, set the zero offset, set the radius of tool length compensation, compensation, and the cutting tool and the handle of the loading and unloading, tool grinding, parts of measurement, able to skillfully use vernier caliper, micrometer, dial indicator, dial gauge, diameter of lever table) and etc.
Can reflect the level of an operator is: horizontal processing, and large gantry (beam, beam) processing. Must have a good foundation of fixture and measurement technology level. The difficulty of the reason analysis of fixture is that it can only be qualitative and difficult to quantify.
CNC machining parts process there is a method called thread CNC milling method, what does it refer to in detail? cnc thread CNC milling is the use of thread CNC milling tool, machining center three axis linkage, namely X, Y axis arc interpolation, Z axis linear feed CNC milling method processing thread.
Thread CNC milling is mainly used for the processing of large hole threads and difficult to process data. It has the following characteristics:
(1) Fast processing speed, high efficiency, high processing accuracy. The tool data is generally cemented carbide data, the tool speed is fast. The precision of the cutting tool is high, so the thread precision of CNC milling is high.
(2) The application range of CNC milling tool is large. As long as the pitch is the same, whether it is left or right screw thread, can use a tool, is conducive to the reduction of tool cost.
(3) CNC milling processing is easy to remove chips, cooling, relative to the tap cutting condition is better, especially suitable for aluminum, copper, stainless steel and other difficult processing data thread processing, especially suitable for large parts and valuable information of the parts of the thread processing, can ensure the quality of thread processing and workpiece safety.
⑷ Because there is no tool front guidance, suitable for processing thread bottom hole short blind hole and no hole retreat groove.
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