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Posted on Feb 3, 2020
What Is Fixed Head Swiss Type Lathe Machine?
By definition, the CNC Swiss type lathe is a special design of automatic lathes that can provide extremely high accuracy and precision standards, and there are two types in this machinery list. CNC Fixed head Swiss style lathe uses chucks and guide bushes to secure the workpiece. The chuck is located behind the guide bushing, and the tool is located in front of the guide bushing, usually remaining stationary on the Z axis. In the fixed head automatic lathes, the fixed head lathes means that lathes are equipping fixed headstock. The workpiece is fixed in the chuck and extends into the machine housing in the form of a cantilever, or in some cases, if the length of the workpiece can be supported at the end of the tailstock.
The fixed head Swiss style CNC lathe is designed for larger objects with a size above 20mm, and the workpiece material is a harder material, such as a car wheel steel ring. In general, CNC Swiss type automatic lathes are suitable for fats and short items. Long story short, Swiss type CNC lathe helps mass production with small, delicate and complex workpieces. On the other hand, conventional lathes are used for larger and heavier parts.
In order to cut along the length of the workpiece, the tool of Swiss type CNC lathe will move in and the material itself will move back and forth along the Z axis. This design of action allows all work to be done on the material near the guide bushing. Because the guide bushing is rigid, it is very suitable for processing slender workpieces. Generally speaking, Swiss type CNC lathe will be equipped with many cutters on the turret at the same time to speed up the processing.
As mentioned above, Swiss type CNC lathe is designed for small sized workpieces, while conventional automatic lathes are used for larger objects. Therefore, whether it is turning milling or turning milling, it refers to the procedure of machining using a machine for milling and lathe machining, regardless of whether it is a Swiss type.
However, mill-turn is lathe-based machining while turn-mill is milling-based machining, so we summarize turning for the following comparison. In the field of metal processing, program-controlled lathes are also called CNC turning machine. It is a computer-driven machine that rotates the workpiece in the X axis rotation direction to perform various machining operations, such as cutting, drilling, deforming, and turning. All these movements are of turning functions as the major feature with additional milling functionality.
Although the commercial applications of Swiss type CNC lathe in much technological advancement are extensive and in-depth, there are mainly two industrial sectors that are the two biggest customers on the market. Due to the exclusive market-oriented work piece characteristics, these two areas are the medical and electronic fields.
As we have already mentioned, guide bushes play an important role in the processing of Swiss type CNC lathe. Generally speaking, the conventional lathe models tend to adopt the guide bush design. The purpose of the guide bushing is to provide additional support for the inventory during part machining or turning. As a result, the guide bush is tightly and firmly installed, but does not closely surround the bar stock. This design has better flexibility.
Meanwhile, the support of this bar indicates that the function of the guide bush is similar to the fixed frame on the carriage of a traditional lathe. Swiss type CNC lathe usually has better tolerances on the parts because the turning operation will be performed near the guide bushing. The guide bushing grants rigidity to turned parts because of the fact that a very small part of the stock will be exposed if they have left the bushing.
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