The CNC Rotary Table, commonly shortened to the “CNC Rotary,” is a hand-powered rotary table used to make models from 3D input data, it’s not exactly a production machine much like others, but it’s capable of much more than that. Most other machines are capable of boring out a certain shape or printing out a particular style – the CNC does this as well. The CNC rotary table is programmed with a program which tells it what to do. It’s not constrained by a “recipe” as such, and is able to figure out just how to make whatever it’s being asked to do. This is very useful in manufacturing and hobbyist fabrication.
With a CNC Rotary Table, you can make exact copies of any material, including brass, aluminum, steel and wood. One of the most common uses for them is in the realm of rapid prototype machining. The process of creating these exact copies is known as simultaneous machining, and the CNC is able to do it quickly because it’s able to precisely control the motion of the workpiece while in operation. In other words, by setting speeds and other parameters in the CNC, you can instruct it to create copies that are identical to those of a particular material at exactly the same speed.
The CNC rotary table has an inbuilt algorithm which tells it how to “copy” a piece of material and then position it precisely where you want it. The software that runs on it learns over time by doing simulation operations. And these simulators are run on the computer that the CNC machining centre is connected to. This allows the CNC to do things such as optimizing work pieces, perform milling operations, perform additive fabrication and even program the CNC itself. All of these operations help it produce exact duplicates of whatever it’s operating on. This is an extremely important part of rotary actuators.
The CNC rotary table is connected to a CNC machining centre, which is usually a horizontal workpiece, such as a horizontal lathe or a horizontal reciprocating saw. By using the CNC’s optimization software, the CNC will then instruct the workpiece how to load and position itself accurately on the horizontal CNC rotary table. From there, the CNC will perform all of the other actions necessary to duplicate whatever it’s working on. Once the simulation is complete, the operator simply disconnects the simulation software from the CNC and connects the workpiece directly to the vertical machining center. The CNC rotary table, with its own CNC software, then reproduces the horizontal workpiece onto the vertical CNC lathe.
The second type of CNC rotary table to be introduced into the consumer market is the Positional Accuracy Simulation (PAS) version. The CNC rotary table is programmed with the specific desired measurements in mind. As the machine runs the simulation, it continually measures the position of the workpiece and compares it to the desired positions on the CNC machine. When the measurements match up, the CNC program merges them into actual physical commands that allow the machine to replicate the workpiece precisely and consistently every time.
The last type to introduce into the market is the CNC finite element program. The CNC machine can only perform certain types of operations based on finite elements placed on a computerized system. These finite elements ensure that the machine will not be able to duplicate any particular task again. For instance, one of the most common operations performed by a CNC machine is scaling, which requires that the machine continuously repeat the same operation until the size is correctly recorded in the computer. Using CNC finite element programs, the CNC machine will not be able to perform the scaling operation more than once.