1. Plasticine, press the workpiece and stick it with your hand. Match the paper to test for gaps.
2. A set of measuring block, calibration caliper, used to measure the calibration of coaxial runout. Wipe with air paper or alcohol to prevent rust.
3. Digital calipers. When it is uncertain whether the measurement is accurate, it can avoid obvious errors
4. Dial indicator, used to measure the aperture accuracy, it can be multi-section, multi-angle measurement.
5. Magnetic tables. It can measure coaxial.
6. V-shaped block, it is best to adjust the height.
7. Different kind of stylus.
1) Spherical stylus
Spherical contacts are used to measure size, shape, coordinates, etc. Ball diameter 0.3 ~ 8.0mm. The material is made of industrial ruby, with high hardness and high resistance.
2) Star stylus
Used to measure the shape of the workpiece. Calibration and use of multiple measuring heads, so that probe activity can be minimized and measurement holes or slots, etc.
3) Cylindrical stylus
Used for the application of cylindrical side surface, measuring the size between thin sections, curve image or machining holes, etc. As long as the measurement of cylindrical section deviation is useful, there are many cases of axial deviation measurement; When using the whole cylindrical probe (height), the cylindrical axis and the coordinate measuring machine axis should be consistent (generally, it is best to measure in a unified section).
4) Disk stylus
Used for measuring the part of outer diameter or thickness; It is also used to measure the size between bottlenecks, gap width, etc. Application of ring gauge.
5) Point stylus
Ordinary XY measurement is not used; Used for measuring screw slots with low accuracy, points or crack scratches of the ruler, etc. Compared to using a point probe with a radius, it can be calibrated more precisely to measure the position of very small holes.
6) Hemispherical stylus
Used to measure deep features and holes, etc.; Measurement of rough looking workpieces is also useful.
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