EPV-866 (MH20I) precision three-coordinate technical solution

1. Machine model specifications and main technical indicators

2. the machine configuration

Installation and acceptance: on-site installation, commissioning and acceptance are finally implemented in accordance with the "National Metrology Technical Specification of the People's Republic of China JJF1064-2000 Coordinate Measuring Machine Calibration Specification".
Training: Free three-day operation training for the buyer in the seller’s company. Or go to the buyer's site for three days of personnel operation training.
Warranty period: After the buyer passes the test and acceptance, the measuring machine will be guaranteed for free for 12 months, but it will not exceed 14 months of the delivery period.

2. Technical and functional description
1. Host Features

1. The main unit includes the main unit of the coordinate measuring machine, the machine support, the imported precision air filter, and the original imported length measuring system.
2. The gantry movable structure and the integral worktable have the characteristics of strong load-bearing capacity, wide workpiece placement space, and convenient loading and unloading;
3. The three-axis guide rails are made of high-quality granite materials, so that the three-axis have the same temperature characteristics, so it has good temperature stability, resistance to aging deformation, good rigidity, and minimal geometric deformation;
4. The application of the non-linear spring system reduces the influence of the small error of the guide rail on the measurement accuracy, and at the same time ensures that the equipment has a higher environmental temperature adaptability and the machine has a good accuracy and stability.
5. The beam adopts a unique guide rail structure, and the triangle is the shape with the largest section perimeter in the same area. The triangular guide rail ensures the maximum guide air bearing span under the condition of minimum inertia, which greatly improves the anti-rotation accuracy of the guide rail.
6. Z-axis torsion is an important part of determining the accuracy of the measuring machine. The reliable anti-rotation structure design can obtain high accuracy even when the probe extension rod is used.
7. The vibration isolation design of the transmission system makes it possible to minimize the impact of mechanical vibration on measurement accuracy even when the machine is moving at high speed.
8. The three-axis adopts high-performance synchronous belt transmission, which can not only obtain high movement speed to improve measurement efficiency, but also minimize the transmission inertia to increase movement acceleration;
9. The Z-axis adopts an adjustable pneumatic balance device, and the balance force can be easily adjusted when different probe systems are configured, so that the Z-axis movement can reach the best state;
10. The length measurement system adopts imported high-precision reflective metal strip grating ruler and reading head, which has extremely high precision and precision stability;
11. The imported high-precision air filter configured on the host can make the compressed air reach a very high degree of cleanliness to effectively protect the air bearings and guide rails. At the same time, the automatic drainage device makes the operator more worry-free and labor-saving when using it, and avoids the cause of forgetting to drain the water. Equipment damage.
12. The complete safety protection device can lock the three-axis in time when some accidents occur, avoiding bigger accidents and protecting the safety of the machine.
13. The design of the whole machine conforms to the principle of ergonomics, simple and convenient to use, easy to maintain and maintain.

2. One set of NOVA control system, including one electrical control box and one control box.

1. The NOVA system is a numerical control system specially designed for CNC three-coordinate measuring machines. The core controller of the system adopts a 32-bit special control core designed by large-scale integrated circuit technology. Compared with other control systems that use a general-purpose processor (CPU), the execution Higher efficiency, while also achieving low power consumption and low heat, extending the life of the control system.
2. The control system adds a speed closed loop in the controller on the basis of the position and speed double closed loop control of the traditional three-coordinate control system, which achieves more accurate and reliable control of the measuring machine, so that the measuring machine can operate at extremely low to extremely high speeds. It can obtain very good motion stability and positioning accuracy, which lays the foundation for the realization of high efficiency and high precision measurement of three coordinates.
3. The control system supports speed T curve or S curve, which is more stable in variable speed motion.
4. The probe part supports PICS A and PICS B probe interface specifications and is compatible with multiple types of probes.
5. The control system is safer and more reliable. It provides multiple control modes. When the shutdown problem occurs, the system can switch to the corresponding mode to stop the machine in the first time. The user does not have to worry about accidents and malfunctions of the speeding car. The function of online diagnosis.
6. The control system supports a variety of error correction methods, which can easily correct the accuracy of the measuring machine.
7. In addition to the conventional linear interpolation and arc interpolation, the NOVA controller can also support spiral path interpolation and spherical path interpolation in path planning. The application of this internationally leading motion control technology makes the measuring machine more efficient. Significantly improved, especially in the measurement of cylinders, holes, spheres and curved surfaces, it can reflect its high-efficiency performance.
8. The comprehensive motion status monitoring and debugging software can grasp the motion status of the machine at any time.
9. The user-friendly design of the control box provides users with simpler and more reasonable buttons and joysticks. Both traditional speed control and input keyboard are provided. Of course, an emergency switch is essential.
10. The special anti-collision design of the probe, whether in manual operation mode or automatic operation mode, the control system can detect illegal collisions caused by the probe in real time, stop the machine movement in time, and protect the safety of the probe system.
11. The interface between the control system and the software adopts the I++ standard design, which supports the interchange use of multiple measurement software.
12. The three-axis drive system is driven by a high-precision DC servo motor, which can be driven without gaps and vibrations.

3. A set of computer systems:
3.1 One set of brand computer system:Not less than the following configuration

1. Intel dual core 2.5 GHZ
2. 2 GB RAM
3. 500 GB hard drive
4. Graphics card GeForce 512 M
5. 16x speed DVD-ROM drive
6. 19 inch widescreen LCD monitor
7. Operating system: WINDOWS XP

3.2 One inkjet printer (HP)
3.3 A set of computer tables and chairs

4. A set of probe system (United Kingdom), including:

5. A set of Visual DMIS CNC CAD+ measurement software package.
The Visual DMIS CNC CAD+ software is an internationalized measurement software with the ability to express Chinese and English languages, providing users with advanced technology, complete functions, stable performance, and simple and convenient operation.
5.1 Visual DMIS CNC CAD+ software is built on the Windows XP platform, which is very easy to operate.
5.2 Basic measurement functions:

• Measurement and evaluation of geometric elements: points, straight lines, planes, circles, ellipses, cylinders, cones, balls, arcs, keyways, etc. Convenient operation, the operator only needs to perform simple geometric element decomposition of the measured workpiece to distinguish how many geometric elements the measured workpiece consists of, and then the measurement can be completed quickly.
• Construction functions: intersection, center division, projection, fitting, tangent, parallel, vertical, translation, offset, mirror, extraction, rotation, etc.
• Shape error evaluation: straightness, flatness, roundness, cylindricity, etc.
• Position error evaluation: distance, included angle, parallelism, perpendicularity, inclination, concentricity (concentricity), symmetry, position (two-dimensional and three-dimensional), circular runout, full runout, etc.
• Visual DMIS CNC CAD+ is easy to measure and evaluate the structure and form and position error, and the calculation speed is very fast. It can be completed by dragging and dropping the measured geometric elements. For example, if two circular elements fit into a line, or to find the parallelism of two line elements, the operator only needs to drag and drop the measured two circular elements into the fitting box to form a line element. If you want to evaluate the parallelism The measurement results can be displayed quickly by dragging and dropping the two line elements of the measurement into the parallelism window, and the measurement result report can be output.
• Measurement and evaluation of curves and curved surfaces. Powerful curve and surface measurement function, which can perform error analysis on curved surfaces and curves through unilateral or bilateral tolerances.
• RENISHAW probe and stylus library. It is convenient to connect, configure, calibrate and use various probes and styluses of RENISHAW.
• Intelligent workpiece alignment. 3-2-1 Coordinate system establishment method, with graphical prompt operation, simple and convenient operation. It supports the RPS positioning method commonly used in the automotive inspection tool industry, the best fitting method commonly used in surface measurement, and multiple coordinate system establishment methods such as six-point fitting and three-point fitting.
• Multi-coordinate system, multi-probe function conversion is convenient. The software allows multiple coordinate systems to be established in a measurement project, and allows multiple probes to be used. By clicking or dragging with the mouse, the conversion between each coordinate system or each probe can be realized.
• Multi-stylus measurement function. In one measurement, multiple styluses can be used to measure geometric elements and geometric dimensions.
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5.3 Two-way data transfer function with CAD system:

• Visual DMIS CNC CAD+ software is an integrated data processing system with a modular structure. The graphical user interface greatly facilitates the measurement work. It includes basic modules, programming modules, and data analysis modules. These modules include general geometric element processing functions and extend many measurement functions, such as surface measurement of leaf surfaces and other complex workpieces.
• Directly receive the mathematical model of IGES, STEP and other formats transmitted by CAD, and can display the mathematical model graphics transmitted by CAD in solid or wire frame.
• It can realize the layering and coloring of CAD digital model, and can also realize the import of original layering and color separation of CAD digital model, multiple CAD digital model import, CAD digital model mirroring, automatic recognition of theoretical elements of CAD digital model, support points Cloud data processing.
• The theoretical value can be directly read in the CAD model and compared with the measured value.
• The measurement results can be output to the CAD system in IGES format.
• It can survey and map the workpiece to be measured, and can also do reverse engineering.
• It can accurately align the CAD digital model of complex workpieces, and rebuild after measurement. And can display the CAD model from multiple views.

5.4 Graphic function

• Three-dimensional solid model display, so that the measured workpiece can be displayed intuitively. It can display the size and position of the measured workpiece and the three-dimensional figure between the measured geometric elements on the computer screen, and can print out the three-dimensional figure and size of the workpiece. Such as projection map, mirror image, for user reference.
• The real-time motion status of the measuring machine can be displayed. During the actual measurement of the workpiece, the actual measurement movement of the probe can be simulated and displayed. That is, real-time simulation of the posture of the measuring machine and the probe when moving. Thanks to the display function of the three-dimensional solid graphics, the three-dimensional coordinate measuring machine can display the three-dimensional model of the three-dimensional coordinate measuring machine on the computer screen in real time. Move the mouse to rotate the position of the coordinate measuring machine, adjust the size and proportion of the angle of view, and when the coordinate measuring machine is measuring the workpiece, it can display the real-time motion state of the probe, which greatly facilitates the operator, and the workpiece will be processed in the future. When repeating the measurement, only need to observe the screen to understand the measurement process of the coordinate measuring machine.
• Display the measurement results graphically.
• The three-dimensional geometric element icons, the rich and vivid dynamic toolbar, and the three-dimensional geometric element graphic display allow the operator to perform the measurement operation clearly. The three-dimensional graphic display of the measured geometric elements such as surfaces and cylinders can be wired and The two representation functions of the entity are very clear.

5.5 Support the two-way transmission of the DMIS standard format measurement program, which fully complies with the DMIS standard.
5.6 Self-learning programming function. Convenient self-learning function can automatically compile the entire measurement process into a measurement program. The sequence of measurement is the sequence of program measurement, and the entire program can be edited and offline simulated measurement can be performed.
5.7 Have the ability to work on the Internet.
5.8 With power-off protection function and self-diagnosis function.
5.9 Online help function The online help description conforms to the operating habits of Windows. The tree-shaped display and query are simple and convenient, and the operator can easily find the help content needed.
5.10 Measurement result output

• The test results can be reported in cycles.
• The measurement result report output can be given in the form of pictures and texts, and the result report is intuitive and easy to understand.
• The measurement results can be output in text format, Excel format, web format, etc. The output in multiple formats enriches the form of the operator's printed measurement report.
• It has the function of designing and printing reports by users. That is, the user can design the icon and factory emblem of the measurement report and insert it into the header of the printed report. The flexible header function makes the output report more user-friendly.
• The output report can display the upper and lower deviation values set by the user, as well as the function of automatically judging whether the measurement result is out of tolerance.
• Visual DMIS CNC CAD+ software can process the test results of any tested workpiece and output user measurement reports.
• The measurement results can be output to IGES and other format files and point cloud formats.

6. Environmental requirements:

• Temperature range: 20±2℃, temperature change: <0.5℃/h <1°C /24h
• Air source pressure: 0.6MPa～0.8MPa,
• Maximum air consumption: 200L/min (0.45MPa)
• Humidity range: 30%-70%
• Power supply: 220V±5 %, 50Hz
• Maximum power: 1 KW
• Ground vibration: vibration frequency ≤10 Hz, amplitude ≤0.5μm
  10 Hz<vibration frequency≤30 Hz amplitude ≤1μm
  Vibration frequency ≥30 Hz, amplitude ≤3μm