5th Axis

The 5th axis is often designed on the rotary table as the additional moving tracks controlled by CNC in the machining centers or other milling and grinding machines. Among all the machine tool components, rotary tables are essential components to most milling machine and machining centers. Rotary Tables are the most critical components for especially automated processing in the machine tool industry as the 4th and 5th axes because the tilting capability they provide offers the possibility for further machining processes.

Machine tool components and parts are a huge market in the industry and in Taiwan the export volume shares a large quantity that is not less than the export market of machine tool sector, contributing a large number to the economy. 5th axis and rotary tables are installed as a component and the inventory of machine tool components are a very large category, such as casted parts, spindles, motors, servo equipment, saddle, locknut, shells, hydraulic cylinders, chucks, claw, precision screws, tailstock, jigs, and many others.

The origin of the rotary tables is working table. Besides the milling usages, rotary tables are also applied to grinding processing as well. Now many cylindrical and surface grinders need to grind multiple angles so the installment of additional axis becomes critical. 


Applied 5th Axis in Abrasive Cutting

Surface grinding can be processed with double strength as well as convenience. Surface grinding is one of the most important links in the whole process. After forming, cutting, and other complex processing, many precision work pieces would go to this step for further finishing. The process of surface grinding is utilized to produce a smooth finished precision surface on either flat or other specific surfaces of the work pieces. 

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


One Plus One Spirit

Besides grinders, 5 axis machining center is also a highly developed machine tool that can deal with many kinds of complex profile machining tasks all at one station. This is often achieved by adding another axis unto the existing 4th axis. Machine center is developed from milling machines at the mid of 20th century with the three axes X, Y, and Z. The development of this specific type of default machine tools goes well in the industry, and after that, machine centers are widely applied in all kinds of industries, contributing a wide range of industrial efforts and business values. 

Regarding milling, as its name tells, is the process of machining that utilizes spinning tools to remove work piece materials by advancing a tool into one or several work pieces with better cutting capacity and performances in the field.


Machining in Multi Axis

Machining process could be done on different directions with the help of the additional axis installed on the casted base. Milling covers a wide variety of various operations and ranges a wide scale from single tiny parts to heavy and large milling operation tasks. Similar to turning, milling is one of the most usually adopted machining methods that render precision tolerances and standards. 

The research and development of milling method is highly popular in the industrial market due to its productive and effective nature for rendering work pieces with complex profiles which is comparatively difficult to achieve by conventional turning centers, let alone other lathe and milling machines. 

Furthermore, as one of the classical but always useful types in the machining center family, multiple axis machining center is a highly developed machine tool that can deal with many heavy-duty precision machining tasks on large and hard work pieces all at once without the need to convey the processed work piece in the midst of machining unto other milling centers if it is designed with column structures. 


Precision and Accuracy

Multi tasking machining centers with columns such as bridge type, gantry type, and double column machining centers are derived from the 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 piece synchronically, just like ordinary milling machineries. This machining method could be achieved on 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. 

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.

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