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Swiss lathes are mainly used to process shafts, discs, sleeves, and other workpieces with rotating surfaces. They are the most widely used machine tools in machinery manufacturing, automobile manufacturing, and repair factories.
More and more small-batch customization factories realize that the multifunctional Swiss-type lathe can improve their competitiveness.
Many screw processing plants first introduced Swiss lathes when they were first introduced a few years ago. These factories originally used cam-driven screw machines to produce parts, because the equipment provided high speed, high reliability, and high capacity work efficiency. The CNC Swiss lathe adds flexibility to these factories to produce small quantities of precision turning parts.
Nowadays, many small-batch customized parts processing plants are enriching their traditional milling and turning equipment with CNC Swiss lathes. This is mainly because the machine tool can turn and mill. In this way, complex parts can be processed at one time without repeated handling on multiple machine tools.
In a typical Swiss lathe (sliding headstock), the bar stock is supported by a guide bush very close to the tool. The cutting force is absorbed by the guide sleeve to prevent workpiece deformation. This is particularly important for slender workpieces with a length to diameter ratio of more than 3:1.
About 80% of the work done on the be20 machine uses the guide sleeve. Nonetheless, the chuck option offers some advantages. For example, it does not need to buy expensive, ground bar stock, which is usually required when using guide sleeves. The cost of a ground bar is four times that of a cold-drawn bar. In addition, by doing so, the utilization rate of each bar in the factory will be relatively high. When using the guide sleeve, the unused bar residue is 10In (1in=2.54cm), but when the machine tool is used as a chuck machine tool, it is only 4-5in. Most of the surplus materials are recycled, but some can also be used for the processing tasks of conventional turning centers in the factory.
Whether the guide sleeve is used or not depends on the geometric shape of the workpiece. There is no guide sleeve for machining rough and short parts. For slender parts with a length to diameter ratio greater than 3:1, the guide sleeve should be used, because the support provided to the sleeve is at the cutting point.
Although the VTD system continues to improve its Swiss-style processing technology, it also provides the following suggestions for other factories that may be considering purchasing "Swiss-style":