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Guangdong JSWAY CNC Machine Tool Co., Ltd. since 2004

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Swiss lathe machine

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Swiss Lathe Manufacturers

 

JSWAY is one of the most professional swiss lathe manufacturers and suppliers in China, featured by quality products and competitive price.

A swiss style CNC lathe is a specific design of lathe providing extreme accuracy (sometimes holding tolerances as small as a few tenths of a thousandth of an inch—a few micrometers). swiss type lathe is commonly used under CNC control. Contact Jsway - best swiss cnc machine manufacturers!

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What is a Swiss Type Lathe?


The versatile machine known as the Swiss type lathe, also referred to as a Swiss automatic lathe, Swiss screw machine, or Swiss turning machine, was originally created for the Swiss watchmaking industry. From about the 1960s, these machines began to be utilized in various other industries and in the 1970s, the first CNC Swiss models were introduced. Featuring a unique design allowing for z-axis movement of the part while the tools remain stationary, this type of lathe utilizes a collet to securely hold bar stock recessed behind a guide bushing. As a result, material can be quickly and precisely turned within the machine without direct contact with the lathe bed and tooling, eliminating deflection and increasing accuracy. Overall, Swiss machining provides numerous advantages over traditional methods.



How Does a Swiss Lathe Work?


Unlike conventional lathes, Swiss turning centers have a moving headstock, in the turning operation, the workpiece is clamped onto the chuck or collet in the headstock and towards the tooling area through a guide bushing. The headstock moves along the z-axis with the bar stock with it, the bar is located radially and precisely. Turning tools are carried on the gang slide and can always contact the material very closely. The movement of the spindle and the supply of the guide bush offer continuous feeding.




Swiss Turning vs Conventional Turning - Difference Between Swiss Lathe and Conventional Lathe


1. Headstock. Conventional lathes feature fixed headstocks, the bar stock is clamped in a collet or chuck which will extend to the enclosure of the machine or it will be supported on the one end with a tailstock, while Swiss lathes have movable headstocks. 

2. Guide bushing. In conventional turning, the workpiece is stabilized in the collet of the main spindle, which is not suitable for long parts due to the deflection of the material, while during Swiss machining, the collet that holds the material can slide along the headstock behind the guide bushing, the cutting tool can operate near the guide bushing, this configuration can prevent deflections and achieve desired tolerances, whether the piece is how long. 

3. Capability. Conventional lathes usually feature 3 or 4 axes and not capable of machining a turned part in a single cycle. While modern Swiss-style lathes feature 5-axis control or more axes, and can perform multiple operations in a single machining cycle. 

4. Cycle time. Swiss automatic lathes reduce cycle time, especially for complex components. 

5. Coolant. In conventional turning, water is often used as a coolant liquid, while in Swiss machining, oil is applied. 

6. Programming. The offset programming of the Swiss-style lathe is the opposite compared to the conventional lathe. For turning longer lengths or drilling deeper holes, Z-axis on the Swiss machine requires a “plus” offset while traditional lathes require a “minus” offset. 


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Why swiss lathe machine is popular?


1. High Precision: Swiss lathe machines are known for their exceptional precision and accuracy. The combination of a guide bushing, sliding headstock, and simultaneous machining capabilities allows for the production of complex, high-precision parts with tight tolerances and excellent surface finishes. This precision is crucial in industries such as medical devices, aerospace, and electronics, where small, intricate components are required.


2. Long and Slender Part Machining: The guide bushing in Swiss lathe machines provides excellent support to the workpiece material close to the cutting area. This feature enables the machining of long and slender parts with high length-to-diameter ratios without the risk of deflection or vibration. Swiss lathe machines excel in producing small diameter components that require precise and consistent dimensional accuracy.


3. Simultaneous Machining: Swiss lathe machines are capable of simultaneously machining multiple features using multiple tools. This capability reduces cycle times significantly, as multiple operations can be performed simultaneously on different parts of the workpiece. It leads to improved productivity and increased throughput.


4. Versatility: While Swiss lathe machines are commonly associated with turning operations, they also offer cross-drilling and cross-milling capabilities. This versatility allows for the production of complex parts with internal features and intricate geometries in a single setup. Swiss lathe machines can handle a wide range of materials, including metals, plastics, and composites.


5. Automation and Productivity: Many Swiss lathe machines are equipped with features such as automatic bar feeders, automatic tool changers, and sub-spindles for secondary operations. These automation features enhance productivity by reducing setup times, streamlining production processes, and minimizing manual intervention. Swiss lathe machines are often integrated with advanced CNC control systems, allowing for efficient programming and optimization of machining processes.



Given these advantages, Swiss lathe machines are particularly popular in industries that require high-precision components, such as medical devices, aerospace, electronics, and automotive. They enable manufacturers to meet stringent quality requirements, increase productivity, and maintain a competitive edge in the market.






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