Transmission mode: DC servo system+preloaded high-precision air bearing.
Length measurement system: RENISHAW open grating ruler with resolution of 0.1μ m.
Probe system: Lei Nishao controller, Lei Nishao probe and Lei Nishao probe.
Machine platform: high-precision (class 00) granite platform.
Working environment: temperature (20 2)℃, humidity 40%-70%, temperature gradient 65438 0℃/m, temperature change 65438 0℃/h.
Air pressure: 0.4 MPa -0.6 MPa
Air flow: 25 liters/minute
Length accuracy MPEE: ≤ 2. 1+L/350 (micron)
The MPEP accuracy of probe ball: ≤ 2. 1μ m The three-axis adopts natural high-precision granite guide rail, which ensures the same thermodynamic performance as a whole and avoids the machine accuracy error caused by the different thermal expansion coefficients of the three-axis materials.
Comparison between Granite and Aviation Aluminum Alloy
1. Aluminum alloy material has large thermal expansion coefficient. After several years of using the beam and Z axis made of aviation aluminum alloy, the reference grating ruler of three-coordinate measurement will be damaged and the accuracy will change.
2. Because the platform of three coordinates is granite structure, the main axis of three coordinates is also made of granite. Granite is used for the main shaft, aluminum alloy is used for the cross beam and Z axis, and other materials. When the temperature changes, the measurement accuracy will be distorted and unstable because of the uneven thermal expansion coefficients of the three axes.
Three-axis guide rail adopts all-natural granite rectangular structure surrounded on all sides and is equipped with high-precision self-cleaning prestressed air bearing, which is the basis to ensure the long-term stability of machine accuracy. At the same time, the bearing capacity of the shaft is stable and balanced along the axial direction, which is conducive to ensuring the life of machine hardware.
3. The patented technology of small hole exhaust is adopted, the gas consumption is 30L/Min, and a condensation zone is formed in the bearing gap to offset the heat generated by the friction of bearing movement and increase the overall thermal stability of the equipment. A careful study of the technical indicators of various manufacturers shows that the accurate gas consumption of Alton is 30L/Min, while that of other manufacturers is between 50- 150L/MIN. According to the theory of physics, when gas passes through a circular hole under a certain pressure, it will generate heat due to gas friction. In high-precision measurement, small heat will also affect the stability of accuracy, but when the aperture of the air outlet is less than a certain diameter, the opposite is true. It is precisely by using this physical principle and the technology of small hole exhaust of Euromonitor that the condensation just offsets the weak heat generated by air friction in the measurement, which makes the equipment keep the temperature stable for a long time, thus ensuring the stability of accuracy!
Comparison of main suppliers' CMM bearings
4. All three axes adopt the original gold-plated grating ruler of RENISHAW, UK, with the resolution of 0.1um; ; At the same time, one end is fixed and the other end is free to expand and contract, which reduces the deformation of the grating ruler.
5. The transmission system adopts international advanced design, without any guide rail deformation, ensuring the accuracy and stability of the machine to the greatest extent. Adopting steel wire reinforced synchronous belt transmission structure can effectively reduce the vibration (increase) during high-speed movement, and has the characteristics of high strength, high speed and no wear.
6. Software is the industry benchmark of RATIONAL-DMIS and PTB comprehensive certification. It is powerful and easy to learn, which allows you to concentrate more on product measurement than learning software.
★ There are large parts and components that are not suitable for moving (such as aircraft parts, transportation tools, construction machinery parts, large welded stamping parts, large forgings, large castings, etc.). ).
★ Need a CMM.
★ For those who need to measure without coordinate measuring equipment, the company can rent (lease) coordinate measuring equipment.
★ Need to go to the outsourcing unit to test products, and the outsourcing unit has no coordinate measuring equipment.
★ On-line detection and measurement
★ Calibration and detection of inspection tools and fixtures
★ Calibration and inspection of automobile welding fixture and fixture.
★ Inspection and measurement of pipe fittings
★ Reverse scanning of whole vehicle