一、Product Overview

This system is a practical training and assessment equipment for CNC milling machine installation and maintenance skills developed specifically for vocational colleges, technical schools, and vocational education and training institutions. Based on the characteristics of CNC machine tool maintenance technology in the electromechanical industry, and combined with the skill appraisal requirements of CNC machine tool installation and maintenance workers, research is conducted on the electrical control and mechanical transmission of CNC machine tools. Specialized design is made for practical teaching activities, including CNC system application, PLC control Variable frequency speed control, sensor detection, servo drive control, low-voltage electrical control, mechanical transmission and other technologies have strengthened students' comprehensive abilities in installation, wiring, debugging, fault diagnosis and maintenance of CNC machine tools. They are suitable for teaching and training in mechanical and electrical related majors, as well as assessment and appraisal of CNC machine tool installation and maintenance workers, lathe workers, and other professions.

二、Technical Parameter

1)Input power supply: three-phase four wire AC380V ± 10% 50Hz；

2)Device capacity: ≤ 2kVA；

3)Boundary dimension: 800mm × 600mm × 1800mm (machine tool training cabinet)；

4)one thousand and one hundred ×?900× 1550mm (physical small milling machine)；

5)1200mm × 600mm × 780mm (operating console)；

6)Equipped with CNC milling machine fault diagnosis, maintenance and assessment function, capable of setting 32 typical electrical faults of CNC machine tools. The assessment system adopts an intelligent assessment method and has the function of networking. Faults can be set through a computer or on an intelligent assessment terminal. Students analyze the fault phenomenon and input the corresponding fault code on the assessment terminal for troubleshooting。

三、Practical training projects

Circuit design, equipment installation, and circuit connection

1. Installation and wiring of CNC system

2. Design and wiring of system start stop control circuit

3. Circuit design of variable frequency speed control system, installation and wiring of frequency converter and spindle motor

4. Circuit design of AC servo drive system, installation and wiring of driver and servo motor

5. Circuit design, component installation, and wiring of the cooling control system

6. Design and wiring of emergency stop and limit control circuits

7. Wiring of manual pulse generator

Mechanical component assembly and adjustment

1. Assembly and adjustment of ball screw nut pair

2. Assembly and adjustment of linear guide rail pair

3. Assembly of the drag plate on the X-axis

4. Assembly of the drag plate on the Y-axis

5. Assembly of motor and coupling

6. Assembly of lubrication system

7. Assembly and adjustment of spindle box

Function debugging of CNC machine tools

1. Basic operation of CNC system

2. Setting and debugging of basic parameters of CNC system

3. Parameter Setting and Debugging of CNC System Feed Axis

4. CNC system spindle parameter setting and debugging

5. Driver parameter setting and debugging

6. Frequency converter parameter setting and debugging

Electromechanical joint debugging and troubleshooting

1. CNC milling machine electromechanical joint debugging

2. Fault diagnosis and troubleshooting of CNC milling machines

Geometric accuracy testing of CNC milling machines

Programming and processing of CNC milling machines

1. CNC milling machine programming

2. CNC milling machine processing

Maintenance and upkeep of CNC machine tools