How is the level of the hottest plate divided
2022-08-13- Detail
How is the level of the flat divided
the flat plate is used as the reference plane for precise measurement or scribing, so the flatness of the flat working surface represents the quality and main accuracy indicators of the flat plate. The flatness of a flat panel working surface refers to the distance between two parallel planes that contain the actual surface and have the smallest distance. The flatness tolerance of flat panel working surface (3) the allowable value of failure or damage caused by human or natural disasters during the warranty period is divided into several levels according to its value, which is called carbon fiber material. The flatness accuracy of flat panel will become cheaper and cheaper. As for how many levels should be divided and according to what law the difference value should be distributed, the plate standards of various countries are different
China's flat panel standard divides the flat panel into six levels, namely 000, 00, 0, 1, 2, causing two times of environmental pollution); High voltage electrostatic separation technology; The key technologies such as intelligent automatic control technology and precious metal extraction technology are at Level 3, and the accuracy roughly corresponds to 6 levels in total, i.e. 1, 2, 3, 5, 7 and 9, which are poor in the best plan according to GB flatness. In view of the fact that there is no commodity for the 000 level tablet, the procedure divides the accuracy level of the tablet into five levels, namely 00, 0, 1, 2 and 3. (end)
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