The granite inspection box is a vertical and parallel frame type combination, which mainly uses the vertical and parallel functions of the granite box. Through the lever meter or other measuring tools, the square box is used as the benchmark to make the meter detection instrument or machine tool guide rail
purpose of granite inspection box: it is an important auxiliary tool in flat panel measurement, used for three-dimensional marking of fitters, measurement and inspection of parallelism, verticality and various position errors of mechanical parts
granite inspection square box packaging: Granite square box is generally packed in wooden box (also according to the user's requirements)
granite inspection square box material: Granite square box is made of "Jinan green" as raw material through mechanical processing and manual fine grinding. With black luster, fine structure, uniform texture, good stability, good strength and hardness, it can maintain appropriate accuracy under heavy load and general temperature, and has the advantages of rust free, performance, non magnetization, constant type, etc
when using granite measuring tools, attention should be paid to the following:
1. During measurement, the granite measuring tools should be protected. The contact between the granite measuring tools and the workpiece should be appropriate and not deflected. It is necessary to avoid touching the measuring surface with hands and protect the granite measuring tools
2. The measuring force should be appropriate. Excessive measuring pressure will produce measurement error, which is easy to cause damage to granite measuring tools
3. The clamping method of the workpiece should be appropriate to avoid inaccurate measurement
4. Do not measure the rotating workpiece to avoid danger
5. Do not force the granite measuring tool into the workpiece or clamp it on the vice
6. Do not knock, throw or place granite measuring tools such as granite square and granite square box arbitrarily
7. When using special types of granite measuring tools, the determined methods and steps should be followed
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