CNC milling processing features

1. Flexible and universal: CNC milling machines and machining centers are suitable for the processing of workpieces of various structures and shapes and can complete drilling, boring, reaming, plane milling, bevel milling, slot milling, surface milling (cam), tapping, etc. processing.

2. High machining accuracy: CNC milling machines and machining centers have high machining accuracy, which can generally ensure workpiece accuracy. In addition, CNC machining also avoids operator mistakes, and the same batch of processed parts has good dimensional consistency, which greatly improves product quality.

3. High production efficiency: CNC milling machines and machining centers have the functions of milling machines, boring machines, and drilling machines, making the process highly concentrated, greatly improving production efficiency, and reducing workpiece clamping errors. The spindle speed of the CNC milling machine is infinitely variable, which is conducive to the selection of the best cutting amount. The CNC milling machine has the functions of fast forward, fast backward, and fast positioning, which can greatly reduce the maneuvering time.

3. It can process complex shapes: in addition to milling the surfaces of various parts that ordinary milling machines can mill, it can also mill plane curve contours and space surface contours that ordinary milling machines cannot mill. This is because CNC machine tools have multiple feed coordinates. Features of shaft linkage.

4. Reduce the labor intensity of the operator: CNC milling machine automatically completes the processing of parts according to the pre-programmed processing program. The operator does not need to perform heavy repetitions except for operating the keyboard, loading and unloading tools, workpieces, and intermediate measurements, and observing the operation of the machine tool. The manual operation greatly reduces the labor intensity.

Processing content suitable for CNC milling

1. Compared with ordinary milling machines, CNC milling machines have the characteristics of high machining accuracy, complex shapes of machined parts, and a wide processing range. According to the characteristics of CNC milling machines, the contents suitable for CNC milling machine processing mainly include the following categories: Complex structures such as curved contours or curved surfaces: the plane curve contour of the workpiece, which refers to the complex curve of the inner and outer contours of the part, and the processed surface is parallel or perpendicular to the level. When CNC milling, generally only need to use the two-coordinate linkage of the three-coordinate CNC milling machine to process them.

The curved surface of the workpiece generally refers to the surface where the coordinates of the points on the surface change in three-dimensional space. It is generally designed by a mathematical model. During processing, the milling cutter and the processing surface are always in point contact. The machining of curved surface parts generally uses a three-coordinate linkage CNC milling machine, which is often programmed and processed with the help of a computer.

2. Workpiece structures that are difficult to process on an ordinary milling machine: For parts of many sizes, difficult to scribe and detect, and difficult to observe and control when processed on an ordinary milling machine, it is suitable for CNC milling machine processing, and CNC milling machine processing should be selected.

3. When processing on an ordinary milling machine, it is difficult to ensure the dimensional accuracy, shape and position accuracy, and surface roughness of the workpiece. CNC milling machine should be selected for processing.

4. Parts with good consistency requirements: In mass production, due to the high positioning accuracy and repeated positioning accuracy of the CNC milling machine itself, it can avoid various errors caused by human factors in the processing of ordinary milling machines, so the CNC milling machine is easy to guarantee. The consistency of batch parts improves the machining accuracy and makes the quality more stable.

Conclusion

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