How to choose CNC and milling parts shape?

Suitable for CNC milling parts

1. Complex shape of machined parts

Compared with an ordinary milling machine, the CNC milling machine has the characteristics of high machining accuracy, complex machining parts shape, and wide machining range. According to the characteristics of CNC milling machine, CNC milling machine processing content mainly has the following categories: curve contour or surface and other complex structure: the plane curve contour of the workpiece, that is, parts have inside and outside contour lines for complex curves, processing surface parallel or perpendicular to the horizontal plane. The CNC milling process, generally only need to use three coordinate CNC milling machines and two coordinate linkages to process.

The workpiece surface generally refers to the surface on which the points on the surface change in three-dimensional space coordinates. It is usually designed by mathematical models. In the process of processing, the milling cutter and machining surface always maintain point contact. The machining of surface parts generally uses a three coordinate numerical control milling machine, which often needs the help of computer programming processing.

2, ordinary milling machine is difficult to process the workpiece structure:

For size, line, and the number of detection, it is difficult to observe and control the parts, ordinary milling machines for CNC milling machine processing, should choose CNC milling machine processing.

3. Precision and accuracy

In ordinary milling machine processing, it is difficult to ensure the workpiece size accuracy, shape accuracy and surface roughness should choose CNC milling machine processing.

4. Parts with good consistency requirements:

In mass production, because of the NC milling machine itself positioning accuracy and repeated positioning accuracy is high, can avoid ordinary milling machine processing due to human factors caused by various errors, so the NC milling machine is easy to ensure success. The consistency of batch parts improves the processing accuracy and the quality is more stable.

CNC milling features

1. Be flexible

CNC milling machine and machining center for a variety of different structures and shapes of the workpiece processing can be completed drilling, boring, reaming, milling plane, milling inclined plane, milling groove, milling surface (CAM), tapping, etc.

2. High machining accuracy

CNC milling machine and machining center with high machining accuracy, under normal circumstances, can ensure the accuracy of the workpiece. In addition, CNC processing also avoids the operator's error, the same batch of processing parts with good size consistency greatly improves the quality of products.

3. High production efficiency

CNC milling machine and machining center have the functions of milling machine, boring machine, and drilling machine, so that the working procedure is highly concentrated, greatly improving the production efficiency and reducing the workpiece clamping error. The spindle speed of the CNC milling machine is realized continuously at variable speeds, which is beneficial to select the best cutting quantity. CNC milling machines with fast forward, fast back, and fast positioning functions can greatly reduce maneuver time.

Secondly, the CNC milling machine has the function of a milling machine, boring machine, and drilling machine, so that the process is highly centralized and greatly improves production efficiency. In addition, the spindle speed and feed speed of CNC milling machines are continuously variable, so it is helpful to select the best cutting amount

4. Can handle complex shapes

In addition to milling the surface of various parts that can be milled by ordinary milling machines, it can also be milling the plane curve contour and space surface contour that can not be milled by ordinary milling machines. This is because CNC machine tools have multiple feed coordinates. Shaft linkage features.

5, reduce the labor intensity of the operator

CNC milling machine in accordance with the pre-programmed processing program automatically completes parts processing. In addition to operating the keyboard, loading and unloading tools, workpiece, and intermediate measurement and observation of machine operation, the operator does not need to carry out heavy repetitive manual operation, greatly reducing the labor intensity.

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