How CNC Swiss Machine Excels at Turning?

Posted on Dec 10, 2020

The reason why CNC swiss machines are growing in popularity lies in the amazing processing cycle. Many companies feel very happy to see the new Swiss user complete the change of thinking of the part in one cycle, which previously required multiple operations and even multiple machines. Conventional CNC lathes usually have three or four axes. The Swiss-type may have 7 to 13 axes. This is the beauty of a CNC swiss machine.

A Brief Introduction to CNC Swiss Machine

Swiss CNC machines were once seen as special machine tools and are increasingly found in workshops full of standard CNC machine tools. This is the learning curve for those who are new to Swiss machinery. Who uses the CNC Swiss lathe system? Maybe the response is changing. Companies wanting to buy CNC Swiss-style machine tools have undergone several significant improvements in the purchasing of machine tools. 

The survey has typically shown over the past few years that medical and electronic applications account for a significant proportion of the planned spending on such equipment. Expenditures are expected to be uniformly spread across diverse manufacturing applications this year. If this move reflects a pattern, it means that many shops are newly finding the importance of CNC Swiss machine tools, and this sort of machine has been built for the first time by many stores. In this situation, the appeal applies to national security. Processing in Swiss-style, these long, slender components have a tolerance band of 0.0005"!
 

Why Are CNC Swiss Machines Needed?

More conventional CNC turning centers have been machined with some materials. An exact diameter was handed over to the box tool. However, when consumers require smaller amounts and short turnaround periods for parts to be purchased, the workshop must start holding inventory to satisfy the demand. Additional costs will be borne by manufacturing, so others may pursue a countervailing form of cost control. The productivity obtained by faster spinning the pin on the CNC Swiss saves the cost needed.

A number of lathes that can feed blanks through guide bushes are Swiss lathes. This implies that the OD turning tool will still cut the blank near the bushing and therefore near the support point, no matter how long the workpiece is. The computer sends the workpiece out of the spindle and goes through the device. This makes the CNC Swiss-type particularly suitable for sections with long and thin turns.

When compared with other CNC machine tools, the biggest adjustment of this machine tool is programming. Compared with other CNC lathes, this machine moves in a foreign manner. Some M codes and wait commands are also different. In order to learn the machine and improve its proficiency, some now abandon the CAM software in order to manually program the machine on the control device.

Lastly, the reason why CNC swiss machines are growing in popularity lies in the amazing processing cycle. Many companies feel very happy to see the new Swiss user complete the change of thinking of the part in one cycle, which previously required multiple operations and even multiple machines. Conventional CNC lathes usually have three or four axes. The Swiss-type may have 7 to 13 axes. This is the beauty of a CNC swiss machine.
 

A Similar Perspective on CNC Swiss Machines

Some people believe in this learning curve that we described above. The people include the Swiss CNC programmers who recognize the increasing popularity of these machines, so they have devoted their effort to help facilitate the performance of this equipment. This is why more and more companies are providing contract programming and coaching services related to these machines. They said that compared with traditional CNC turning, CNC Swiss machining is a different experience. Machinists and programmers move from one to another and must adapt their views of the processing cycle in various ways.
 

:: Read More: Who Uses a Swiss CNC Lathe?

Negative Becomes Positive

On the CNC Swiss CNC, the Z-axis movement comes from the movement of the workpiece, not the tool. This change affects the nature of the programmed offset. On a traditional lathe, the wooden rod protrudes a certain length from the chuck. The surface of the part is Z zero, and all the faces of the part are Z negative." In contrast, on a Swiss machine tool, the turning tool is Fixed, and inventory increases. "Z zero is the surface of the part, just like on a regular lathe, but everything outside the surface is Z positive. It is important to remember the difference in the Z-axis offset. Lengthen the turn A deeper drilling pass will cause a "negative" offset in a conventional lathe, but it requires a "positive" offset in a Swiss-type machine tool.

The order of cyclic cutting also changes with the Swiss-type. On conventional lathes, roughing and finishing are usually performed first, and then parts such as OD grooves or threads are processed to complete the parts. This is not the case with the Swiss style.
 

The Core Component of CNC Swiss Machines

The guide sleeve is the heart of the Swiss machine. Resizing the guide sleeve as you see fit is very crucial. The use of guide bushes of an inappropriate size will cause concentricity errors. In addition, the guide bushing has a variety of materials (carbide sleeve, Meehanite, steel), because the possibility of interaction with the workpiece material is another key factor to consider.
 

Cutting Fluid and Coolant

The major advantage of the Swiss-style machines is that they use oil as a cutting fluid instead of water for greater lubricity. Other Benefits of this include protection from the growth of odor-causing bacteria and plum-like hands that result from exposure to water-based coolants throughout the day. However, the main disadvantage lies in the word "coolant". Compared with water, oil is less effective in heat dissipation. As a result, a fast-cutting Swiss machine may become hot in the work area, so that it may be necessary to wear gloves or paper towels when changing tools. It is prudent to equip the machine with a fire extinguishing system.

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