The choice of measuring instrument is mainly determined by the technical indicators and economic indicators of measuring instrument, which are summarized as follows6Points:
1Choose according to the number of workpieces to be inspected. The quantity is small, the general measuring instrument is selected; Large quantity, the selection of special measuring tools and inspection fixtures (measuring devices). The most common is the limit gauge.
2Choose according to the size requirements of the inspected workpiece. The measuring range, indicating range and indexing value of the selected measuring instrument can meet the requirements. The measuring range of the measuring instrument can accommodate the workpiece or the probe can be extended into the measured part.
3The dimensional tolerance of the citrus workpiece is selected. The workpiece tolerance is small and the measuring instrument with high precision is selected. On the contrary, choose a measuring instrument with low accuracy. The level limit error of the general measuring instrument accounts for the workpiece tolerance1/10~1/3The higher the accuracy of the workpiece, the greater the proportion of the limit error of the measuring instrument.
4Choose according to the allowable value of the uncertainty of the measuring instrument. In the production workshop, the measuring instrument is selected mainly according to the allowable value of the uncertainty of the measuring instrument.
5Should consider the choice of standardized, serialized, universal measuring instrument, easy to install, use, maintenance and replacement.
6The economy of measurement should be guaranteed. The economy of measurement is considered comprehensively from the cost of measuring instrument, wear resistance, inspection time, convenience and the technical level of inspection personnel.
As a precision parts size pneumatic measurement equipment manufacturer, we have19+Years design experience engineer, can provide a variety of measurement solutions. The pneumatic probe produced by the use of German imported steel, to ensure the real material, after the original salt bath heat treatment, high temperature1500°Quench, wear proof, liquid nitrogen-180°Deep cooling to remove internal stress, prevent deformation, manual grinding, ensure micron accuracy.
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