The CNC rotary table, usually called the rotary platform is a common form of rotary mechanism used in several industries. The rotary table can be used for many types of production such as industrial floor equipment, mobile components, toys and electronic goods among others. Most commonly used in the welding process, it helps in minimizing consumables, material handling time and cycle time. Due to its high speed performance, the rotary table has been in wide use for the last decades.
Rotary Table – The CNC Rotary Table is also known as the rotary platform, the rotary stand, the tiltable table or the rotary table. It is an integral part of CNC machining operation. It is mainly used for the fabrication of products that have to be supported at a different angle and height. The CNC rotary table has an extended drawing feed with a fixed output jack and a fixed work area extending from the lower jaw of the table to the head area.
The CNC rotary tables normally include a series of operation blocks or “shafts” which includes the stationary stepper motor, which is placed above the table and is moved vertically in its seat with the help of a screw threading and T-nut assembly. The operating shaft and the stationary stepper motor are fitted to the upper portion of the table. They have to be carefully adjusted depending upon the type of product to be manufactured and other factors.
There are two types of CNC rotary table available in the market; namely; first is the one with a single motor and the other being the one with variable number of motors. If you are opting for a CNC machine for heavy duty work then a four-axis table is preferred. A number of other things are included in the package, which should include motor couplings, linear expansion valves, potentiometers, alignment guides, voltage management units, and many more. Some of the manufacturers include additional features in the package to make the machine more useful to its users.
The motor is controlled via a potentiometer, which is attached to the stepper motor. The other part of the CNC table consists of a series of pins, which are used to connect the user with the machine. A potentiometer is fixed atop the table and it rotates the handwheel by way of a threaded rod which is fixed at a particular position on the handwheel assembly. One of the most popular brands of CNC rotary table includes; Atlas Copco, Festool Fypon, Gota, Hitachi, Kuka, Metaform Mino, Nautilus, Palmetto, Porro Animal, Sharp, and many others.
With the help of the stepper motor and the other various components present on the CNC rotary table, the operator can program the functions according to his needs. In general, a typical rotary table has the following features; automated positioning, variable speed/speed limit, programmable output, user-friendly LCD screen, user switch facility, high precision and accuracy, built-in programmable LED display, programmable output trays, input and output connectors, stainless steel construction, and many more. Today, the CNC rotary table has become one of the most popular machines in the market, which can easily meet the requirements of different industrial sectors. It also comes with an increased reliability, as they do not require frequent repairs and maintenance.
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