In the field of traditional metal processing, the manufacturing of parts is the casting and forging welding splashed by Mars and the hard turning, milling, and grinding pliers. Any metal with slightly different shapes we see in our life has been quenched by iron and fire many times in the factory before we see it. Since metal parts are made by machines, how are machines made?

As a professional 1610 cnc machine manufacturer, today we will talk about how CNC machines work.

From machine tools to CNC machine tools, machines no longer work without brains

The steel produced by the steelmaking plant is not all kinds of strange shapes we see in life, but materials with regular shapes such as plates, pipes, and ingots. To process these materials into parts with various shapes, machine tools need to be used for cutting; some parts require high precision and fine surface roughness, which need to be cut or ground out by fine and complex processes on the machine tool.

Because the rotation speed of the motor used in the traditional machine tool is unchanged during operation, to achieve different cutting speeds, the traditional machine tool has designed an extremely complex transmission system. Such complex machinery is rare in today's design.

With the development of servo motor technology and its application in CNC machine tools, it is convenient and efficient to directly control the speed of the motor, and it is a step-less speed change. The structure of the transmission system is greatly simplified, and there are even many links. The motor is directly connected to the executive mechanism and the transmission system is omitted.

This "direct drive" mode is a major trend in the field of mechanical design.

The simplification of structure is not enough. To realize the processing of parts with various shapes, it is also necessary for the machine tool to control multiple motors efficiently and accurately to complete the whole processing process.

This will make the machine tool a CNC machine tool with a "brain". The brain is the numerical control system. The level of the numerical control system determines how complex and precise the numerical control machine tool can do, and also determines the value of the machine tool and its operator.

What can the CNC system do? Process information and control power

For general NC machine tools, it often includes man-machine control interface, NC system, servo drive device, machine tool, detection device, etc. with the help of some computer-aided manufacturing software, the operator lists all kinds of operations required by the machining process with part program codes and inputs them to the NC machine tool through the human and control interface.

 Then, the NC system processes and calculates this information, and controls the servo motor according to the requirements of the part program to realize the relative movement between the tool and the workpiece, to complete the machining of the part.

The numerical control system completes the storage and processing of any information and transmits the processing results of information to the subsequent servo motor in the form of control signals. The working effect of these control signals depends on two core technologies: one is the interpolation operation of curves and surfaces, and the other is the multi-axis motion control of the machine bed.

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