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Posted on Feb 3, 202011
What is fixed head Swiss-type lathe?
A Swiss-type lath, by definition, is a specific design of turning lathe providing extreme accuracy and precision standard, and there are two categories inside this machinery inventory. A fixed head Swiss-style lathe holds the work piece with both a collet and a guide bushing. The collet locates behind the guide bushing, and the tools sit in front of the guide bushing, normally holding stationary on the Z-axis. In the fixed head module, the fixed head lathe is a fixed headstock. The work piece is held in a chuck and extends into the machine enclosure as a cantilever or can be supported on the end of the tailstock if the work piece is the length for some cases.
A fixed head Swiss type lathe machine is designed for bigger items size above 20mm, and the work piece materials are harder materials like car wheel steel ring. To be general, Swiss type lathes are suitable for fat and short items. Long story short, Swiss type lathe helps the massive productions a lot with small, delicate and complicated work pieces. On the other hand, conventional lathes are for larger and heavier parts.
In order to cut some lengthwise along with the work piece objects, the tools would move in and the material itself will move back and forth along the Z-axis. This design of action allows all the work to be done on the material near the guide bushing where it is more rigid, making them ideal for working on slender work pieces. Normally speaking, a Swiss type lathe would be equipped with many cutters on the tool turret at the same time, for faster processing.
As above mentioned, Swiss type lathes are designed for small-sized work pieces while conventional lathes are for larger objects. Therefore, either mill-turn or turn-mill refers to the processing procedure utilizing milling and turning on a lathe-based machine tool no matter it is a Swiss type or not.
However, mill-turn is lathe-based machining while turn-mill is milling-based machining, so that here what we put together is mill turn for the following comparison. In the metalworking sector, a programmed turning machine is also called a CNC turning machine, which is a computer-driven machine tool that rotates a work piece on the X-axis of rotation in order to perform various machining operations with the saddle movement, such as cutting, drilling, deformation, and turning. All these movements, or say actions, are of turning functions as the major feature with additional milling functionality.
Although the commercial applications of Swiss type lathe machines are wide and profound in-depth regarding many technological signs of progress, there are mainly two industrial sectors which are the biggest two customers in the market. Those two sectors are the medical and electronics sectors because of the exclusive market-oriented work piece characteristics.
As we have mentioned the guide bushing plays an important role in the Swiss type lathe processing. Normally speaking, conventional lathe models tend to utilize guide bushing design. The goal of the guide bushing is to provide additional support to stock material when the part is processed or turned. As a result, this guide bushing is fitted closely and surely, but not tightly to surround the bar-stock materials. This design gives better flexibility.
Meanwhile, the support of this bar-stock material indicates that the functionalities of the guide bushing act in a similar fashion as steady-rest does on carriages of traditional lathe machines. The Swiss type lathes usually hold a better tolerance on the parts because the turning operations would be conducted close to the guide bushing, and 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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