The machining surface shape of the milling machine is generally composed of straight lines, arcs or other curves. Ordinary milling machine operators constantly change the relative position between the tool and the workpiece according to the requirements of the drawing, and then cooperate with the selected milling cutter speed to make the tool cut the workpiece, so that workpieces of various shapes can be processed.

CNC machine tool processing is to divide the motion coordinates of the tool and the workpiece into the smallest unit, that is, the minimum displacement. The CNC system moves each coordinate by a number of minimum displacements according to the requirements of the workpiece program, thereby realizing the relative movement of the tool and the workpiece to complete the processing of the part.

In addition to the characteristics of ordinary milling machine processing, CNC milling processing has the following characteristics:

1. It can process parts that need to be processed in multiple processes after one clamping and positioning. Longwin Precision Machinery has been engaged in CNC for more than decades and is a supplier of high-quality CNC machining products. Add WeChat to send pictures and quotes: 13480045632;

2. The adaptability and flexibility of parts processing are strong, and it can process parts with particularly complex contours or difficult to control dimensions, such as mold parts, shell parts, etc.;

3. The production is highly automated, which can reduce the labor intensity of the operator. It is conducive to the automation of production management;

4. It can process parts that ordinary machine tools cannot process or are difficult to process, such as complex curve parts described by mathematical models and three-dimensional space surface parts;

5. The processing accuracy is high and the processing quality is stable and reliable. The pulse equivalent of the CNC device is generally 0.001mm, and the high-precision CNC system can reach 0.1μm. In addition, CNC processing also avoids the operating errors of operators;

6. High production efficiency. CNC milling machines generally do not need to use special process equipment such as special fixtures. When replacing workpieces, you only need to call the processing program, clamping tools and adjust the tool data stored in the CNC device, which greatly shortens the production cycle. Secondly, CNC milling machines have the functions of milling machines, boring machines, and drilling machines, which makes the process highly centralized and greatly improves production efficiency. In addition, the spindle speed and feed speed of CNC milling machines are both stepless, so it is conducive to selecting the best cutting amount;

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