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Posted on Jan 30, 20207
What is Swiss-type lathe?
A Swiss-type lathe by definition is a specific design of turning lathe providing extreme accuracy and precision standard. A 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.
To cut lengthwise along the part, 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
Either mill turn or turn mill refers to the processing procedure utilizing milling and turning on a lathe-based machine tool. However, to be precise, mill turn is lathe-based machining while turn mill is milling-based machining. In the metalworking sector, a programmed turning machine is also called a CNC turning machine, which is a computer-controlled 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.
To sum up, these machining procedures are well conducted with tools that are applied to the work piece and to create an object with symmetry with the axis which is driven by the primary spindle, not secondary spindle which is normally at the end of the work piece for two end processing procedure or other multi-tasking duties.
In the convention, the Swiss type lathes are also commonly known as the Swiss screw machines, Swiss automatic lathes, and Swiss turning centers. The Swiss type lathe is different from the traditional lathe models in a specific feature. That is, the holding mechanism or collet that holds a bar stock will not be exposed directly to the lathe bed and the tooling. With this particular configuration, it provides this specific machine tool a number of benefits over the traditional lathe models. Although the applications of Swiss type lathe machines are wide and profound, there are mainly two industrial sectors which are the biggest two customers in the market. Those two sectors are the medical and electronics sectors.
In most cases, conventional lathe models tend to utilize guide bushing design. The goal of the guide bushing is to provide an 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. 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 closely 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. Until such stage, the turning tools have been engaged, and the guide bushing provides significant rigidity to the stock. Such machine types are significantly well-adapted to holding a tight tolerance for the manufacturing of certain objects. Although many machining tasks a Swiss type lathe do can be also achieved by turn and mill machine, the latter is a more general model of lathes that can deal with a wider applications. Due to the narrower application, many of the industrial manufacturers choose to use turn and mill machine to deal with the same order requests instead of buying a Swiss type machine.
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