What Is a CNC Rotary Table?

Posted on Jan 26, 2021

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CNC Rotary Table

A CNC rotary table is the type of device which is often used for the purpose of precision workpiece positioning. In general, the CNC rotary table is commonly utilized at the machining centers to precisely position the component at the desired angle. This way, the CNC rotary table will have the ability to perform the multi-face operation in a single setup.

Before we start to discuss the CNC rotary table, let's first discuss the family that the CNC rotary table belongs to, the rotary table. So what is a rotary table? The rotary table is a type of device which is capable of reaching great precision during the processing of metal workpieces. 

In the industries, people will utilize the rotary table to give the fine control of positioning. Commonly, within the rotary table, there is a device called the control knob. This control knob is used to rotate the worm gear. Under the surface of the table, there is another device mounted to it, the spur gear. The worm gear I mentioned earlier will then work closely with the spur gear. Then the rotary table will start to rotate in a slight amount after the worm gear is turned. People in the industries have made great use of such features. Such a feature has enabled the rotary table to gain higher ratios between the rotations of the control knob and the rotation of the table. 

The high ratios can make sure that the target is rotating slowly and accurately. However, there is one notable disadvantage of the rotary table. The rotary tables are not capable of being rotated in a quick way. By doing so, the high speed has the potential to damage the worm gear drive assembly. The rotary table is versatile equipment in the industries.
 

What Is CNC?

Now that we know about the rotary table, let’s talk about another vital part of the CNC rotary table, the CNC system. So what is the CNC system? The system of the CNC is actually an abbreviation of the Computer Numerical Control. It is a type of system which has become more and more common in the industries. The CNC system is very applicable to several industrial types of equipment in the industries. In the equipment which utilized the system of the Computer Numerical Control, there is a coded programmed instruction that is utilized for the processing of the workpiece. This coded programmed instruction has the ability to help the system to process the workpiece without the direct supervision of the operator. Such a feature is proven to be very beneficial for the industries since the system of the Computer Numerical Control is now having the ability to help the industries saving a lot of costs. Besides, there is no longer a need to appoint an operator to monitor the processing of the workpiece. This is also one of the reasons why the system of the Computer Numerical Control has become more and more favorable among the industrial equipment.
 

:: Read More: What are the 4th and 5th Axis CNC Rotary Tables?

What Is CNC Rotary Table?

Now that we know what a rotary table is and the system of Computer Numerical Control, we can now discuss the subject of today, the CNC rotary table. So what is the CNC rotary table actually? A CNC rotary table is the type of device which is often used for the purpose of precision workpiece positioning. In general, the CNC rotary table is commonly utilized at the machining centers to precisely position the component at the desired angle. This way, the CNC rotary table will have the ability to perform the multi-face operation in a single setup.
 

CNC Rotary Table Versatility

There are currently several different models of the CNC rotary table available in the industries. Each of them is possessed with its own trait and ability.
 

● 4-axis CNC Rotary Table

For example, there are some CNC rotary tables that are equipped with 4 axes. The 4 axis CNC rotary table will process the workpieces by holding them in the same position while the cutting tool performs along the XYZ plane to trim away the unwanted material. In general, the 4 axes rotary table is very versatile equipment that can be used for several different industrial processes such as engraving curved surfaces, continuous cutting, and intermittent cutting. Besides, people can also add other devices such as cam machining, blade machining, and helical grooves to the 4 axes rotary table. Such a feature is simply impossible to achieve with the machining center which has only 3 axes.
 

● 5-axis CNC Rotary Table

Besides the 4 axes rotary table, there are also some CNC rotary tables that have 5 axes. The 5 axes rotary table has the ability to allow the workpiece to be processed automatically from five sides at one time.  people usually utilized the 5 axes rotary table in the industries such as the automobile, the aerospace, and the boating industries. The reason that the 5 axes rotary table is commonly used in heavy industries is that the 5 axis machining is an important technique to be used when the components need better intricacy and quick precision. In general, all of these CNC rotary tables which have more than one axis are called the multi-axis CNC rotary table.
 

Application of CNC Rotary Table

There is currently a wide range of applications for the rotary table. For example, there are some models of the rotary table which can be used to drill the holes and at the same time making sure they are all at the same distance on a circular flange. The rotary table is also capable of cutting a round piece with a protruding tang. In the industries, people can also pair work the rotary table with other types of industrial equipment. For example, the rotary table can possess the ability to move the center of the rotation to any location on the part if it is paired with another device called the compound table. This way, the arc of the rotary table can now be able to cut at any place on the part. Besides, it is also possible for the rotary table to manufacture and inspect the important materials in the industries, such as aerospace and automation. 

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