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The use of CNC machines in the automation of production.

There are, however, CNC machines for which it is inefficient to use. For example, this applies to forging machines. Features of their work are such that it is extremely difficult to adjust automatic operation of the tool working under high pressure. The thing is that the impact of the device is not on a small segment of the workpiece, as in metal-cutting devices, and immediately on the entire working area. For the same reason, CNC forging and stamping equipment is very difficult to reconfigure. According to statistics, these types of CNC machines occupy only about 8% of the total amount of equipment of this class used in the production process at the Metalworking enterprises of our country.
CNC is successfully applicable for these stages of metal processing, like punching, press braking, smelting and pressing, sheet cutting, forging with a hydraulic press, radial crimping, high-quality flexible, flexible pipes, naniniwala springs, as ring rolling, turning, stamping. Often, the automation of these processes is completely subordinated to robots and robotic systems, configured to work in cycles with the same type of elements.
There are also systems with partial control of the working process with the help of CNC at the stages of diagnostics of equipment, monitoring the status of working devices, changing tools and raw material, supplying blanks and removing finished parts.
All CNC machines can be divided into three groups.
The first group – machines with local impact of the equipment on the source material. These include three-point bending presses, radial crimping and rotary machines. The equipment of this group is characterized by the continuous use of feedback between the work areas and the control element.
The second group – machines that can move the processed material and change the tools for processing. These include machines for punching holes, punching presses, hydraulic presses with anvil. For devices of this type it is characteristic that the process between the stages can not be adjusted further.
The third group – processing systems with elements of robotics. In fact, this group of machines combines the capabilities of the first two groups, that is, the ability to perform different actions, with different tools and taking into account feedback.
Finally, the most important achievement of CNC machines – human participation in the process is minimized: if the machine works properly, then human actions are reduced to pressing the start button and the stop button. If, however, there is a breakdown and necessary readjustment, do without a professional employee – it is impossible – perhaps this is the main and almost the only drawback of the machines with CNC elements.

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