CNC Turning

CNC Turning lathe is also known as CNC lathe, that is, computer digital control lathe, which is currently used in China

Numerical control machine is the largest and most widely covered CNC Turning machine tool accounts for about 25% of the total number of CNC machine tools. CNC Milling machine tool is a mechanical and electrical integration product integrating mechanical, electrical, hydraulic, pneumatic, microelectronic and information technologies. It is a machine tool with the advantages of high precision, high efficiency, high automation and high flexibility. The technical level of CNC Milling machine tools and the percentage of its output and total ownership in metal cutting machine tools is one of the important symbols to measure the national economic development and the overall level of industrial manufacturing. CNC Milling lathe is one of the main varieties of CNC Milling machine tools. It occupies a very important position in CNC Milling machine tools. For decades, it has been widely valued and developed rapidly by all countries in the world.

We know that for mass production parts, the use of automatic and semi-automatic lathes has been able to achieve the automation of the production process. However, it is always a difficult problem to realize the automation of single and small batch production parts. For quite a long time in the past, there was no satisfactory solution. Especially in the machining of parts with complex shape and high CNC Milling accuracy requirements, it has been in a standstill state on the road of automation. Although some profiling devices have been used to solve some problems, practice has proved that the profiling lathe can not completely solve this problem.

What is CNC Turning?
CNC Turning is a manufacturing process in which bars of material are held in a chuck and rotated while a tool is fed to the piece to remove material to create the desired shape. A turret (shown center), with tooling attached is programmed to move to the bar of raw material and remove material to create the programmed result. This is also called “subtraction machining” since it involves material removal. If the center has both tuning and milling capabilities, such as the one above, the rotation can be stopped to allow for milling out of other shapes.

The starting material, though usual round, can be other shapes such as squares or hexagons.
Depending on the bar feeder, the bar length can vary. This affects how much handling is required for volume jobs.
CNC lathes or turning centers have tooling mounted on a turret which is computer-controlled. The more tools that that the turret can hold, the more options are available for complexities on the part.
CNC’s with “live” tooling options, can stop the bar rotation and add additional features such as drilled holes, slots and milled surfaces.
Some CNC turning centers have one spindle, allowing work to be done all from one side, while other turning centers, such as the one shown above, have two spindles, a main and sub-spindle. A part can bPhotoGallerye partially machined on the main spindle, moved to the sub-spindle and have additional work done to the other side this configuration.
There are many different kinds of CNC turning centers with various types of tooling options, spindle options, outer diameter limitations as well as power and speed capabilities that affect the types of parts that can be economically made on it.
Is my part a good fit for CNC turning?
While a lot of factors go into determining if a part can be made most cost-effectively on a specific CNC turning center, some things we look at are:

How many parts are needed short-term and long-term? CNC turning centers are generally good for prototypes to short-run volumes.
What is the largest OD on the part ? For the CNC turning centers at Pioneer Service, the maximum OD for colleted (bar feed-capable) parts is 2.5.”
Parts over 2.5″ OD are chucked individually, which depending on volume, can contribute to price.
Parts under 1.25″ OD and medium to high volume may be a better fit for the Swiss screw machines.
If a part can be made both on the CNC turning center and on a 32 mm Swiss Screw Machine factors such as projected volume and lead-time are critical for making the best call on which to use.
When it comes to machining parts, there are a lot of variables. Pioneer Service can help you determine the best way to have your parts made. Contact us for help with your requirements.

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