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CNC Automatic Lathes with Mobile Headstock

It belongs to precision machining equipment, which can complete compound processing such as turning, milling, drilling, boring, tapping, and engraving at one time. It is mainly used for batch processing of precision hardware and special-shaped non-standard shaft parts.
When the drilling depth is stable, the application of a smaller blade radius will undoubtedly reduce the cutting speed, especially in the axial cutting speed, and the axial cutting speed is to cause long and thin rod-shaped tools or steel parts, The key reason for vibration. Whether it is impact or cutting, under the same drilling depth, the half warp of the blade is very large, and the development trend of long and thin tool shaft vibration is greater.

For long and slender tools, the ring insert tool provides very good shock absorption. The turning tool and the mixing tool are reversed, the closer the chamfer is to 90°, the greater the axial cutting speed and the greater the vibration of the shank. Therefore, in the face milling of the deep cavity of the abrasive tool, the CNC lathe generally selects an advanced corner turning tool with a 45° chamfering angle less than 1mm, and generally uses a round blade turning tool or a ball tool.

The use of long and thin end mills to cut deep cavities is often performed by software cutting. Selecting cutting means that the CNC inserts radially enter the CNC inserts like a twist drill. When cutting deep cavities, when drilling holes in inner holes, the angle of view of the cutter head should be as small as possible. The secondary lead angle is large, and the secondary edge is produced and processed. The total area of ​​swaying on the surface is small, and the swaying cannot be changed into vibration.

Compared with the conventional CNC machining process, the outstanding advantages of composite machining are mainly reflected in the following aspects:

(1) Shorten the product manufacturing process chain and improve production efficiency. Turn-milling composite machining can realize all or most of the machining processes in one loading, thus greatly shortening the product manufacturing process chain. In this way, on the one hand, the production auxiliary time caused by the change of the loading card is reduced, and at the same time, the manufacturing cycle and waiting time of the tooling and fixture are also reduced, which can significantly improve the production efficiency.

(2) Reduce the number of clamping and improve the machining accuracy. The reduction in the number of card loadings avoids the accumulation of errors due to positioning fiducial conversions. At the same time, most of the turning-milling composite processing equipment has the function of online detection, which can realize the in-situ detection and precision control of key data in the manufacturing process, thereby improving the processing precision of products.

(3) Reduce the floor space and reduce the production cost. Although the price of a single turn-milling compound processing equipment is relatively high, due to the shortening of the manufacturing process chain and the reduction of equipment required for the product, as well as the reduction of the number of fixtures, workshop area and equipment maintenance costs, it can effectively reduce the overall fixed assets. The cost of investment, production operation and management.

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