Roundness Introduction
Roundness measuring instrument is benchmark against precision rotary center, the quantitative evaluation of the cross-section roundness is made by measuring the radius varitation of actual contour of workpiece in different angle position to rotary center by sensor. It is used to measure the cross-section roundness and coaxiality of internal rotation and external rotation and face runout, etc.
Measurement Capability:
Evaluation item: Roundness, concentricity, coaxiality, parallelism, perpendicularity, flatness, Single radial runout, Single axial runout Analytical ability: Spectrum analysis, gap/burr automatically removed, waveform analysis Roundness evaluation (4 methods): Minimum zone method (MZC), least square (LSC), minimum circum circle (MCC) and maximum inscribed circle (MIC) Roundness filtering gear: 1-15upr,1-50upr,1-150upr,1-250upr,1-500upr,15-100upr,15-500upr,2-15upr Filtering expression: Gaussian (ISO standard) Magnification: input range 1-100000
Technical specifications:
| RMI-D420 | Item | Parameter |
|---|---|---|
| Rotary table | Bearing Type | Gas bearing |
| Rotation accuracy | (0.025 + 6H / 10000) μm | |
| Rotating speed | 6rpm | |
| Adjust table diameter | 180mm | |
| Table loading capacity | 15kg | |
| Rotation diameter | 420mm | |
| Max measure diameter | 250mm | |
| Column (Z-axis) |
Column transverse travel | 320mm (electric) |
| Max detection depth | 100mm (min inner diameter: 30mm) | |
| horizontal arm (X-axis) |
Horizontal movement | 150mm (manual) |
| Protrusion amount | 25mm | |
| Detector | Acquisition device | Circle grating sensor |
| Circumference of sampling points | 4096 points | |
| Sensor type | Inductive Sensor | |
| Sensor range | ±300μm | |
| Sensor resolution | 0.001μm |
