In order to understand the working principle of the small NC milling machine, it is necessary to know the components of the small NC milling machine. The small NC milling machine consists of five parts: numerical control system, testing device, a driving device, transmission chain of the machine tool and servo motor.
Each part has a special function, the following from the five parts of their respective working principle, we have a certain understanding of the small CNC milling machine.
Small CNC milling machine CNC system
The CNC system is equivalent to the brain of a small CNC milling machine. All the actions of the small NC milling machine are accomplished through the instructions of the NC system. It needs to process the electrical signals from the detection device, the driving device, and the servo motor.
Make clear the overall status of the machine tool, and make instructions for the next step of work
Small CNC milling machine detection device
Small CNC milling machine detection device equivalent to the human skin eyes and ears he needs to collect the status of machine tools through sensors for the system to provide movement data reference.
Sensor failure leads to the machine tool can not receive the corresponding signal, will greatly increase the accident rate.
Small CNC milling machine drive means
Small CNC milling machine driver, similar to the small CNC milling machine cerebellum, brainstem, he can handle some low-level signals, such as servo motor transmission speed, position signals.
Help the system deal with a lot of trivial tasks, at the same time he directly control the operation of the servo motor.
So its role is also very important.
Machine tool drive chain for small CNC milling machines
It is similar to the muscles and limbs of a small CNC milling machine. It can transmit the power of servo motors for the purpose of power transmission.
It is the mechanical part which mainly determines the precision of machine tool.
Servo motor is equivalent to the heart, which is the main power source of the small CNC milling machine. Because of the built-in position sensor and speed sensor, it acts as a part of the role of the detection device, so the servo motor directly determines the accuracy of the machine tool.
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