1: Clamping mode of horseshoe indenter: the material of the chuck is aluminum, and the opening should be greater than 6.5mm. This mode is usually used by people’s inspection tools. The three coordinate measuring machine can measure the base square of RPS positioning surface. In order to achieve this goal, the clamp arm should not exceed the base of RPS positioning surface, otherwise the three-dimensional probe will be blocked by the clamp arm and affect the measurement. In addition, if there is positioning or inspection pin on the positioning surface, it should be noted that the chuck should not interfere with the positioning or inspection pin to affect the maneuverability when the clamp is opened.
2: Positioning surface and clamping: in principle, each positioning surface shall be clamped locally. The clamping point shall be located at the base of the positioning surface, and the clamping target of the clamp of the gauge guideline piece shall be the same as the normal direction of the positioning surface. If the angle between the locating surface and the supporting surface of the clamp is less than 5 degrees, it can be ignored. If it is more than 5 degrees, the clamping target of the clamp and the normal direction of the locating surface should be the same.
3: Flat push type clamp: including clamp and tension spring clamp. In general, we should think about clamp.
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