I. Equipment Overview:
The intelligent four-in-one machine tool electrical skill training assessment appraisal device can carry out the maintenance of various machine tool electrical control circuits. Intelligent four-in-one machine tool training and evaluation device organically connects the electrical part of the machine tool with the mechanical part of the machine tool, and uses the electrical components and actual semi-physical simulation models of the machine tool to display all the actions of the machine tool . In addition, it also provides a full range of realistic machine tool electrical troubleshooting skills training. You can set the fault points artificially, and you can set the corresponding fault points only through network switching, which effectively improves students' maintenance skills for machine tools and equipment. The device has a beautiful appearance, convenient operation, strong intuitiveness, more vivid teaching, and closer to the industrial scene. It is suitable for the maintenance and assessment of the electrical parts of machine tools in the preliminary, intermediate, and advanced skills identification of electricians (electricians).
Features of equipment:
1. Small footprint and beautiful appearance.
2. It is intuitive and familiar with the electrical circuit of the machine tool through operation. The operation of the electrical part of this device can realize various motion control of four-in-one machine tools. It includes: X62W universal milling machine, T68 horizontal boring machine, Z3040B radial drilling machine, M7120 surface grinder.
3. The components of the electrical control circuit are all electrical components applied on the actual industrial machine tools. They are mounted on the panel and have corresponding test points to facilitate the operation of the wiring and fault assessment and detection circuits.
4. The fault point can be set artificially, and the corresponding fault point can be set only through network switching. Through the host computer to control the setting of the failure point and the evaluation score statistics of the failure point.
5. The design of the electrical control circuit is well-thought-out, with open and short-circuit protection for various position switches.
Third, the basic composition of the equipment :
1. Training cabinet:
The JGJCS-G4 intelligent four-in-one machine tool electrical skill training assessment appraisal device combines four commonly used typical machine tool circuits in a control cabinet. These four machine tools are X62W universal milling machine, T68 horizontal boring machine, Z3040B Type rocker drilling machine, M7120 surface grinder, the control cabinet has a reasonable and compact structure design.
The training cabinet is a vertical cabinet that can be operated on four sides. The exterior is made of tempered glass. When the cabinet is closed, the cabinet can be operated intuitively. The inner wall of the control cabinet is 1.5mm cold-rolled steel plate, which is strong and beautiful. The control cabinet is equipped with four direction wheels and four fixed adjustment mechanisms for easy movement and fixing. The shape is similar to the cuboid structure, and the shape is beautiful and generous. The control cabinet is installed with the panel of the electrical operation area of various machine tools, the wiring area of the electrical circuit components of the machine tool, the transfer mold of the machine tool, and the networked intelligent wireless communication assessment and management system.
2. Operation buttons and machine movement instructions (acrylic laser engraving panel)
The experimental operation panel of the milling machine and lathe is installed on the right side of the control cabinet. The panel of the electric operating area of the drilling machine and grinder is installed on the left side of the control cabinet. The side doors on both sides can be opened by 120 °, which are straight with the front and back respectively. It is convenient to observe the action of the relay contact control area and the motor panel during operation. All the main electrical appliances and action indicators of the machine tool are installed on the panel, and all operations of the machine tool are performed on this panel. The indicators can indicate the corresponding actions of the machine tool.
3. Machine tool electrical circuit components wiring area (acrylic laser engraved panel)
The front of the device experiment cabinet is the panel of the electrical circuit components wiring area of the lathe and milling machine. On the back is a panel for the wiring area of the machine's electrical circuit components for drilling and grinding machines. The panel is equipped with components such as low-voltage circuit breakers, in-line fuses, AC contactors, thermal relays, control transformers, etc. These components are directly installed on the surface of the panel. They can be seen intuitively and their corresponding tests Points for easy wiring and fault assessment and detection circuit operation.
Intelligent four-in-one machine
4. Machine tool transfer module
The lowest part of the control cabinet is the machine transfer module. The machine tool transfer module is a cable connection unit between each machine tool and the semi-physical object. There are terminal blocks and aviation plugs on the panel to connect with semi-physical objects.
5, JGWW-GX2.0 networked intelligent wireless communication assessment and identification management system
The assessment system uses the JGWW-GX2.0 networked intelligent wireless communication training assessment management system, written in language, and uses dynamic database linking technology. It can link student information, student grades, test paper management, test plans, fault databases, etc. And queries. Equipped with fault assessment system (LCD display and button unit); start, stop, emergency stop buttons; an AC voltmeter, voltage indication switch and power switch, the computer software uses Visual Basic.
The JGWW-GX2.0 management system can set up to 255 lower computers.
The JGWW-GX2.0 management system uses wizard-style new projects to effectively avoid problems such as tedious data modification or data leakage.
The host computer adopts USB wireless communication mode to exchange information and data with the host computer in real time. The management system software can monitor the working status of each host computer in real time.
The lower computer uses a single-chip microcomputer to control the fault. Students can only judge the fault by the fault phenomenon, and then troubleshoot the fault by entering the fault line number. If the fault line number is entered correctly, the fault is automatically cancelled.
The lower computer can design the fault for evaluation independently from the control of the upper computer. After the evaluation, the final result of the student is displayed on the LCD.
Three-phase power input. After the leakage protector, the contactor is controlled by the start and stop buttons to operate the total power output of the machine tool circuit. The emergency stop button is used as an emergency stop switch when an accident occurs.
The failure assessment system has 20 switches, of which K1 to K20 are used for failure setting. The interface is connected with the host computer, and the fault points can be set at will for fault assessment. In the test, the fault can be set by the instructor, and the students can detect and test to find out the fault. In the experiment, it can be detected through the test points on the panel and the normally open and normally closed contacts of the contactor.
Analysis of networked intelligent wireless assessment appraisal management system:
Four, intelligent four-in-one machine tool
Intelligent four-in-one machine tool semi-physical simulation model is placed on the work table. Intelligent four-in-one machine tool semi-physical simulation model refers to the size reduction of intelligent four-in-one machine tool according to a certain proportion; all voltage levels on the semi-physical machine tool are exactly the same as the actual machine tool; Shaft screw drive; the hand wheel uses actual machine tool parts, close to the real machine tool; the surface of the movable guide rail of the machine tool uses high-frequency hardening process, which is durable.
I. Overview of the electrical control cabinet for machine tool automation:
JGJCZ series machine tool automation electrical control skills training assessment appraisal device is capable of realizing PLC control transformation and maintenance of a variety of traditional machine tool electrical control circuits. Let students master the operation methods of machine tool PLC, inverter and touch screen control through practical training, can complete CA6140 lathe, Z3040B radial drilling machine, X62W lathe, M7120 grinder, and other machine tool transformation tasks. The device consists of multiple training modules Using electrical components applied on actual industrial machine tools. In addition, it also provides a full range of true machine tool electrical troubleshooting skills training, effectively improving students' skills in repairing and reforming machine tools. The device has a beautiful appearance, convenient operation, strong intuitiveness, and vivid teaching, which is suitable for the training and assessment of the electrical parts of machine tool transformation in the maintenance electrician's advanced skill appraisal. Features of the device
Features of equipment:
1. Small footprint and beautiful appearance.
2. It is intuitive and familiar with the electrical circuit of the machine tool through operation. The operation of the electrical part of the device can realize various motion control of the machine tool.
3. The training cabinet has been installed with the originals required for experimental training, and all devices are tested on the external terminals, thereby avoiding damage due to long-term wiring on the device itself.
4. The components of the electrical control circuit are all electrical components applied on actual industrial machine tools, and they are mounted on the panel.
Third, the significance of machine transformation
1. Development towards high speed, high precision and intelligence.
2. Simplify the wiring of control lines.
3. Simplify and reduce the workload of maintenance and repair.
4. Make the control stable and reliable.
Fourth, the basic composition of equipment:
The experimental cabinet is a vertical cabinet that can be operated on all sides. The exterior is made of tempered glass. When the cabinet is closed, the cabinet can be operated intuitively. The control cabinet wall is 1.5mm cold-rolled steel plate, which is strong and beautiful. The control cabinet is equipped with four direction wheels and four fixed adjustment mechanisms for easy movement and fixing. The shape is similar to the cuboid structure, and the shape is beautiful and generous.
1.Control cabinet side door
The side door of the control cabinet is equipped with the machine's electrical operation buttons and action indication area panel (acrylic laser engraving panel). This panel is equipped with all the main electrical appliances and action indicators of the machine tool, and all operations of the machine tool are performed on this panel. The lights can indicate the corresponding actions of the machine.
During operation, open the side door of the control cabinet and cooperate with the various operation areas in the main body of the control cabinet to operate the master device and observe the simulation of the motor. When performing machine tool renovation, the electrical operation buttons on the machine tool and the buttons on the panel of the action indication area The limit switches correspond to the corresponding PLC input points and external wiring has been completed. Just define the corresponding limit switches.