5th Axis Rotary Table

The 5th axis rotary table is often designed with additional moving tracks controlled by CNC in a machining center, or other milling and grinding machines. Among all machine tool components, the rotary tables are an integral part of most milling machines and machining centers. They are widely seen in automated processes in the machine tool industry in which a 4th and 5th are involved. The tilting capability of rotary tables offers more possibilities for various machining processes.

Machine tool components are a huge market in the industries of Taiwan, and the large export volume constitutes a crucial drive to the economic landscape of Taiwan, even more so than the machine tool sector. The 5th axis rotary table is typically installed as a component on a machine tool alongside other components such as casted parts, spindles, motors, servo equipment, saddle, locknut, shells, hydraulic cylinders, chucks, claw, precision screws, tailstock, jigs, and many others.

The primitive form of the rotary tables is known as the working table. Besides milling applications, 5th axis rotary tables are also used in the grinding process as well. The implementation of an additional axis enables cylindrical and surface grinders to work on multiple angles.
 

Applying 5th Axis in Abrasive Cutting

Surface grinding can be performed conveniently with added strength. It is one of the most important operations in the entire machining process. After forming, cutting, and other complex processing, the work piece will undergo this process for precise finishing on either flat or other desired surfaces of the work pieces. And With the added functions of the 5th axis rotary table, the effectiveness of grinding can be further achieved.

It is a widely applied abrasive machining process by which a spinning wheel is covered in rough particles that cut chips of metallic or nonmetallic substance from a work piece, rendering a flat face. Among all the grinding processes, surface grinding machine with 5th axis rotary tables is one of the most general ones.
 

Four Plus One Design

Besides grinders, a 5 axis rotary table machining center is also a highly developed machine tool that can perform all kinds of complex profile machining tasks in one unit. This is often achieved by adding another axis to the existing 4th axis. Such design is based on the early milling machines at the mid 20th century where only three axes, X, Y, and Z, existed. And in order to fulfill a wider range of machining requirements, the design was later improved with the added axes to carry out a wider range of machining tasks. As a result, machine centers with four plus one design eventually became one of the most prevailing machine tools in many industries, contributing to the collective economic efforts at the time. 
 

Multi-Axis Machining

With the help of a 5th axis rotary table installed on the casted base of a machining center, machining operations can be undertaken from different directions. For instance, milling process encompasses a wide myriad of operations involving parts from smart to large, and light to heavy, and with the help of a 5 axis setup, all of these can be conducted easily and precisely.

The research and development of milling method is very prominent in the industrial market due to its superb capability of machining work pieces with complex profiles that would be comparatively difficult to achieve using a conventional turning center and other milling machines without 5th axis rotary tables. 

Furthermore, being one of the most prevalent units in the machining center family, a multiple axis machining center is a highly developed machine tool that can deal with various heavy-duty precision machining tasks for larger and harder work pieces without having to convey the processed work pieces to other milling centers in the midst of the machining process. 
 

Precision and Accuracy

Multi-tasking machining centers with columns such as bridge type, gantry type, and double column machining centers are derived from the standard milling machines. The milling process of the bridge type machining center is the process of machining that uses spinning tools to remove work piece materials by advancing tools into one or several work pieces synchronically, just like ordinary milling machineries. This machining method could be achieved in only three directions in the past time because in the old days ordinary machining centers would have only three axes casted on the casted base parts. So mostly in the old days there were no 5th axis rotary tables as assistance.

Today, with the additional two axes, its productive and effective nature for rendering work pieces with complex profiles is comparatively hard to achieve by conventional turning lathes. Based on this expectation, the following development and the idea of machine centers are thus gradually achieved step by step within the scheduled cutting plans programmed by CNC systems, promising accurate and precise cutting routes with the help of the 5th axis rotary tables.

 

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