Precision rotary stages are the component parts of a motion system that are used to restrict a specific object to one single axis of rotation. The term precision rotary stages can be used interchangeably with the term precision rotary tables. Among all the machine tool components, precision rotary stages are essential components to most milling machine and machining centers. Rotary stages are the most critical components for especially automatic processing in the machine tool industry because the tilting capability they provide offers the possibility for further machining procedures.
Components and parts of machinery are a huge market in the industry and in Taiwan the export volume shares a large quantity that is not less than that of the total machine tool export market, resulting in the prosperous future of the economy in Taiwan. The categories of the machine tool components, including spindles, motors, saddles, chucks, hydraulic cylinders, servo equipment, locknuts, shells, claws, precision screws, jigs, etc. are countless, let alone the applications of them.
Rotary stages are also applied to grinding processing as well, rendering a flat or smooth face. Among all the grinding processes, the surface grinding machine is one of the most general ones. With a worktable that adopts the function of rotary stages, the process of surface grinding is conducted with definite strength and convenience.
Considering how the end products would look like after being machined with cutting, forming, or other intricate techniques, surface grinding is a necessary process. Since by this process, the spinning wheel covered with abrasive materials help remove chips that are produced with metallic or nonmetallic substances out of the surfaces of a workpiece.
Besides, for the rotary stages to be used in the machine tool sector, especially in the advanced applications, 5 axis bridge type machining center is a highly developed machine tool that has the capabilities in performing a wide range of machining tasks.
The invention of the machining center can be derived from the mid-20th century, when the milling machines were in the development stage. With the need of the broader applications in different industries, the milling process, which utilizes the spinning spindle to advance the tools to remove materials from workpieces, is developed with better cutting capacity as in the machining center that is widely applied nowadays.
The machining method could be done in different directions. Among all kinds of machines that are able to cover different machining techniques, the development of rotary stages for milling operation surpasses what the conventional turning centers, lathes, or milling machines can do due to the versatility of this combination.
In the process of altering the original shape or property of a workpiece into a different level, milling is one of the most common machining methods other than turning. When combined with a rotary table, the effectiveness and productivity that this method would have make it quite popular in the industries.
Furthermore, as one of the classic but always useful types in the machining center family, bridge type machining center is a highly developed machine tool that can deal with many hard-to-machine workpieces, which comes in large and thick sizes, with various machining tasks in one operation.
The development of the machining center can be regarded as a significant progress in the machine tool industry, since it went at a slow pace in the beginning. In the blink of an eye, the machining center has been what almost every sort of industry needs for the manufacturing purpose, contributing a lot to the world industry with its versatility essences.
As a matter of fact, 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 workpiece materials by advancing a tool into one or several work pieces, just like ordinary milling machineries.
At the same time, this method enables different machining orientations, which allows for at least three axes of working directions. In addition to turning, the milling method handles a variety of tasks on a broad scale of workpieces, from small to large, or simple to intricate parts of machining.
Similar to turning, milling is one of the most usually adopted machining methods that achieve precision tolerances within accurate requirements. That is to say, the application and practical natures of machine centers stimulate the development of milling methods, which is later highly popular in the industrial world that demands for even strict machining accuracy.
The effectiveness and productivity it has to transform the initial state of workpieces into complex profiles is relatively hard for the conventional turning lathes to attain. Based on this expectation, the following development and the idea of machine centers are thus gradually achieved step by step within the scheduled cutting schedules.
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