Dyskb-07C CNC Machining Center Maintenance and Processing Technical Evaluation Experimental Device

Release time：2024-05-14 11:30viewed：times

In recent years, with the widespread application of CNC technology, schools have p*d more and more attention to cultivating practical and skilled professionals needed in production, technical services and other positions, to further improve students' hands-on ability and ability to analyze and solve problems, and to comprehensively learn and master CNC System control principles, CNC programming, electrical design methods, installation, debugging and m*ntenance. However, most colleges and universities face a lack of such CNC tr*ning equipment. To this end, our company has developed the principles of the electrical control system of the CNC machining center and the debugging and m*ntenance experimental bench practice device. Using this device can enable students to master CNC machining center system control principles, electrical design methods, component selection, machining center electrical installation and debugging, fault diagnosis and m*ntenance, part programming and graphic simulation processing processes and many other experimental contents, reaching the industrial level. Production site internship effect. The device adopts an open structure and modular design, and can be used for teaching, course design, graduation projects and practical tr*ning. It is conducive to improving students' ability to design CNC machine tool electrical control systems and diagnose CNC equipment faults, maximizing the number of tr*nees. Adapt and meet market needs to the maximum extent possible. This device can also help scientific research and technical personnel further understand the structure of CNC machining centers, and also provides necessary conditions for technical personnel to carry out secondary development of CNC milling machine systems. The m*n components of the experimental device are all industrial control products.
1. The tr*ning platform is equipped with: 1 set of servo spindle, 1 cooling pump, 3 servo motors
, limiters, etc. 2. Technical parameters of the experimental bench:
1. Input power supply: AC380V (three-phase five-wire system), 50HZ
2. Fault assessment: 16 items (intelligent type)
3. Working environment: temperature -100C～400C
4. Machine capacity: ≤8kVA;
5. Dimensions of electrical cabinet for practical tr*ning: length × width × height = 1000 mm × 650 mm × 1800 mm;
overall dimensions of machine tool: length × width × height = 2000 × 1720 × 2500mm.
Dimensions of electrical installation board: length × width = 1000×900mm;
6. CNC milling machine intelligent assessment system functions:
1) Using the latest MCU technology RAM processing chip digital integrated circuit board and supporting wireless fault setting control system, the system is stable and not prone to virus infection.
2) The control module (PC control terminal or handheld mobile control terminal) and the drive module (intelligent fault setting drive box) are separated to avoid complex connections interfering with the controller, making the system more reliable.
3) The drive module has a built-in intelligent fault setting control system, equipped with a dedicated new wireless data transmission module (pluggable) and RS232 serial communication interface, which can enable wireless network communication and RS232 wired communication.
4) The handheld mobile control terminal adopts a 7-inch high-definition color LCD touch screen, a Chinese menu-type touch operation interface, and is friendly to human-machine dialogue. The handheld mobile control terminal can control any tr*ning equipment with a drive module.
5) The handheld mobile control terminal can be used as a stand-alone operation when not connected to the Internet. When the tr*ning equipment with the driver module is wirelessly networked, the handheld mobile control terminal can be wirelessly connected to the network as a networked terminal, and can be used for student computer login tr*ning and assessment operations. The terminal can also be used as an operating terminal for teachers to log in and create questions and answers.
3) The practical tr*ning assessment can be carried out through a PC or tablet control terminal, or through a handheld mobile control terminal. The teacher and student interfaces are separated. The teacher enters the teacher interface through a password to give questions, and the students answer questions on the ordinary interface. (Note: The schematic diagram of the fault setting and troubleshooting interface for teachers and students is exactly the same as the schematic diagram of the equipment panel)
7) Various common faults related to any place can be freely set. Fault types include: line open circuit, short circuit to ground, contact Defective, accidental and other malfunction phenomena. Each set of drive modules can set 8 high-current 5A open-circuit faults and 16 low-current 2A signal path open-circuit, defective, accidental, short-circuit and other faults, for a total of 24 fault settings. It can be expanded to set 64 open-circuit faults with a high current of 5A and 128 open-circuit, defective, accidental, short-circuit and other faults of a small current 2A signal path according to the needs, for a total of 192 fault settings. The number of fault set points and fault setting types can be adjusted according to user requirements.
8) All tr*ning equipment equipped with drive modules can be wirelessly networked through the built-in dedicated new wireless data transmission module to achieve remote centralized management.
9) Users can choose to form a network through wireless or RS-232 serial communication with the wireless fault setting control system supporting other tr*ning equipment, and control the fault setting, troubleshooting, and parameter setting of each tr*ning equipment through the m*n control computer. , remote start, information feedback, assessment and scoring and other functions.
3. Product structure and composition
1. The system consists of machine tool tr*ning cabinets, CNC machining centers, etc.
2. The machine tool tr*ning cabinet adopts an iron matte dense texture spray-p*nted structure. The upper part of the front is the original monitoring device such as the voltage, current, status indicator light in the network, and the middle part is the machine tool electrical cabinet. The layout of the devices in the cabinet is consistent with the model of the actual machine tool factory. The electrical installation board in the electrical cabinet is equipped with servo drives, AC contactors, relays, fuse holders, circuit breakers, switching power supplies, terminal blocks and wire troughs, intelligent fault modules, etc.; there is also a transformer at the rear of the electrical cabinet and ground terminals, etc.
3. The front and two sides of the machine tool tr*ning cabinet are equipped with lockable two-way transparent doors, which are convenient to use, safe and dust-proof. There are two double doors on the back, and four universal wheels are installed on the bottom, equipped with brake devices for easy movement and fixation.
4. The system is powered by a three-phase four-wire AC380V AC power supply, and is equipped with leakage protectors, indicator lights and fuses. It has overload protection, short-circuit protection and leakage protection devices. It will automatically act when the voltage is abnormal or a short-circuit occurs to protect personal and Equipment security.
5. The CNC system adopts m*nstream CNC systems from FANUC manufacturers, which can meet the needs of practical tr*ning and teaching of different types of machine tools.
6． The X, Y, and Z axes are driven by AC servo motors, with software positive and negative limits and reference points in the direction of movement. The spindle motor is driven by the original servo motor of the CNC system.
7. The spindle, bed, carriage, etc. adopt a casting structure. The castings undergo aging treatment, surface machining and scraping processes to ensure stable machine tool accuracy.
8. The X, Y, and Z-axis feed transmission system is composed of ball screw nut p*rs, bearings, bearing supports, motor supports, etc. It can perform skill tr*ning such as screw preload adjustment, ball screw assembly and adjustment, etc.
mechanicalPractical tr*ning safety education virtual simulation software: This software is developed based on unity3d. The software adopts the form of three-dimensional roaming. Movement can be controlled by the keyboard and the lens direction can be controlled by the mouse. It is equipped with mechanical safety distance experiments, mechanical safety protection device experiments, and mechanical safety protection design basis. During the assessment, when the experiment is in progress, the three-dimensional roaming screen uses arrows and footprints to prompt the user to move to the experimental location. The circle around the mechanical object shows the working radius. The experimental process is accompanied by a dialog box reminder of the three-dimensional robot.
A. The content of the mechanical safety distance experiment includes the safety distance experiment to prevent upper and lower limbs from touching the danger zone (divided into two fence heights and opening sizes). After selecting to enter, GB23821-2009 "Mechanical Safety to Prevent Upper and Lower Limbs from Touching the Danger Zone" pops up in front of the camera. "Safe Distance" requirements, error demonstration: The experimental process is that after the human body enters the working radius of the mechanical object and is injured, the red screen and voice prompts that the human body has received mechanical damage, and returns to the original position and conducts the next experiment. The last step is the correct approach.
B. Mechanical safety protection device experiments are divided into safety interlock switches, safety light curt*ns, safety mats, safety laser scanners and other protection device experiments. Optional categories (safety input, safety control, safety output, others), manufacturers, products List (safety interlock switch, safety light curt*n, safety mat, safety laser scanner, safety controller, safety relay, safety guardr*l). There is a blue flashing frame reminder at the installation location. Experimental process: select the safety guardr*l and install it, select the safety interlock switch (or select the safety light curt*n, safety mat, safety laser scanner) and install it, select the safety controller and install it in the electrical control box , select the safety relay and install it in the electrical control box, click the start button on the electrical control box. If you enter a dangerous area, the system will sound an alarm and the mechanical object will stop working. Select the reset button on the electrical control box to stop.
C. The basic assessment of mechanical safety protection design requires the completion of the installation of the mechanical safety system, and the correct installation of safety guardr*ls, safety interlock switches, safety light curt*ns, safety mats, safety laser scanners, safety controllers, safety relays, 24V power supplies, signal lights and Emergency stop button, the assessment is divided into ten assessment points. Some assessment points have 3 options, which are freely chosen by the students. After selecting the final 10 assessment points, submit for confirmation, and the system will automatically obt*n the total score and the score of each assessment point. .
D. The software must be on the same platform as a whole and cannot be displayed as separate resources.
E. At the same time, we provide customers with the VR installation package of this software to facilitate users to expand into VR experiments. VR equipment and software installation and debugging are not required.
4. Equipment usage and adaptability
1. The vertical CNC milling machine/machining center is a modern processing machine tool with three-axis control. It adopts the Japanese FANUC 0I MF CNC system and can automatically and continuously complete milling, drilling, boring, tapping, etc. of parts. The process is suitable for mass production of various planes, holes, and complex-shaped surfaces, saving tooling, shortening the production cycle, and improving processing accuracy. The application scenarios are very wide.
2. The large parts of the machine tool adopt a densely reinforced closed frame structure, which has high rigidity and good vibration resistance. The large parts such as the bed, column, milling head, bed saddle, and workbench are all made of high-strength cast iron, which has a stable structure and ensures quality. The reasonable structure and the combination of reinforcing ribs ensure the high rigidity of the basic parts. The wide and solid machine bed, box cavity columns, and fully loaded guide r*ls ensure load capacity during processing.
3. The X and Y guide r*ls of the machine tool are linear guide r*ls (i.e. linear r*ls) to ensure that the machine tool moves easily and smoothly. The Z direction is a plastic-hardened guide r*l combination to ensure vertical stability.
4. The m*n drive adopts servo spindle motor, synchronous pulley and synchronous toothed belt transmission , with low transmission noise. The spindle has continuously variable speed within the range of 8000RPM, and has strong adaptability to the processing of various types of parts. The complete set of spindle components is imported, which is reliable and stable, ensuring processing accuracy. The X, Y, and Z axes use high-precision ball screws with preloaded double nuts to ensure the lowest backlash. The three-axis ball screw adopts special bearings for precision-grade ball screws and has high operating accuracy. The ball screw and servo motor are directly connected by a flexible coupling, which has high efficiency and small backlash.
5. Key accessories
· Spindle unit: T*wan Jianchun
· Screw bearing: Japan NTN or Japan NACHI
· Loose knife cylinder: T*wan Airtac
· Tool magazine type: Hat type 12T
· Ball screw: T*wan Shangyin (or T*wan Yint*)
· Linear guide: T*wan Shangyin (or T*wan Yint*)
· Spindle motor: FANUC
· Three-axis servo motor: FANUC
· CNC system: FANUC 0I MF
· Special precision nut for ball screw: SWT
· Pneumatic components: T*wan Airtac
· Coupling: T*wan Longchuang
· Guide r*l st*nless steel protective cover: domestically produced
· Lubrication system: Dam*tian
· Electrical components: Adopt well-known domestic and foreign brands
6. Machine tool accuracy standards
    · ISO 10791-1998 "Machining Center Inspection Conditions"
    · JB / T8771.4-1998 "Inspection of Linear Positioning Accuracy and Repeated Positioning Accuracy of Machining Centers"
    ·JB/T8771.7-1998 "Inspection of Accuracy of Finished Specimen of Machining Centers"
    ·JB/T 8801-1998 "Technical Conditions of Machining Centers"
7. The lubrication system
    adopts an automatic lubrication device to perform forced lubrication on each sliding surface and ball screw. The lubricating oil cannot be recycled and eventually flows into the cooling box to participate in the cooling of the workpiece.
    ·The oil filling time interval and oil filling amount are adjustable.
    ·The machine displays an alarm when the oil level is too low (lack of oil).
8. Cooling system
    ·The machine tool is equipped with a large flow cooling system.
9. Pneumatic system
    ·The pneumatic system is equipped with *r source processing components, pressure switches, solenoid valves, etc. to realize pneumatic tool changing and spindle *r blowing. Equipped with an external *r gun, the work area can be cleaned.
10. Basic Experimental Internship Project
1. 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 spindle speed control system, installation and wiring of servo spindle motor
(4) Circuit design of AC servo drive system, installation and wiring of driver and servo motor
(5) Circuit design, device installation and wiring of cooling control system
(6) Design and wiring of emergency stop control loop
(7) Manual pulse generator Wiring
2. Assembly and adjustment of mechanical components
(1) Assembly and adjustment of the ball screw nut p*r
(2) Assembly and adjustment of the linear guide p*r
(3) Assembly of the X-axis carriage
(4) Assembly of the integral spindle
(5) Motor and Assembly of coupling
(6) Assembly of lubrication system
(7) Assembly and adjustment of spindle box
3. Function debugging of CNC machine tools
(1) Basic operations of CNC system
(2) Setting and debugging of basic parameters of CNC system
(3) Setting and debugging of feed axis parameters of CNC system
(4) Setting and debugging of spindle parameters of CNC system
(5) plc Programming and debugging
(6) Driver parameter setting and debugging
(7) Servo spindle parameter setting and debugging
(8) Debugging of spindle tool cylinder tool change and other functional components
(9) Basic setting and debugging of hat-type tool magazine
(10) CNC system Data backup
4. Mechanical and electrical joint debugging and troubleshooting
(1) Mechanical and electrical joint debugging of CNC machining center
(2) Fault diagnosis and troubleshooting of CNC machining center
5. Geometric accuracy inspection of CNC machining center
6. Programming and processing of CNC machining center
(1) CNC machining center programming
(2) CNC machining center processing
7. M*ntenance and m*ntenance of CNC machine tools
11. M*n technical parameters of machine tools

Technical name		Technical Parameters
working desk size		≥800×320mm
journey	X axis/rapid feed	≥510mm/15M
	Y axis/rapid feed	≥350mm/15M
	Z axis/rapid feed	≥420mm/10M
Spindle maximum speed		≥8000rpm
handle form		≥BT40
Feed rate		8000mm/min
T-shaped slot width		14mm
T-slot spacing		110mm
Distance from spindle end to worktable		70-470mm
Distance from spindle center to column		375mm
Maximum load-bearing capacity of workbench		≥200kg
Minimum setting unit		0.001mm
Repeatability		≤±0.0075mm
positioning accuracy		≤±0.01mm
M*n motor		≥3.7/5.5KW
Tool magazine type/number		≥Bamboo hat type BT40/12T
Air pressure		4-6kgf/cm2
Machine tool dimensions		≥2000×1720×2500mm
weight		≥2600kg

12. Configuration List
12-1: Basic Configuration

serial number	Name	M*n components, devices and specifications	quantity
1	Machine tool tr*ning cabinet	1000mm×600mm×1800mm	1 set
2	Machining Center	High speed VML7135A	1 set
3	CNC system	FANUC FANUC 0I MF	1 set
4	Servo spindle	Fanuc original 3.7/5.5kw motor	1 set
5	Servo drive	FANUC original one-piece	1 set
6	servo motor	FANUC βis8/3000	2 units
7	Tool magazine form	Hat type 12T	1 set
8	Electronic handwheel	Hand operated pulse generator	1
9	Electrical components	Leakage protectors, circuit breakers, AC contactors, relays, sensors , connecting wires, etc.	1 set
10	Electrical control circuit diagram	Contns flure points	1 serving
11	User Manual	FANUC 0I-F	1 copy
12	M*ntenance Manual	FANUC 0I-F	1 copy
13	Parameter Description	FANUC 0I-F	1 copy

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