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Square tube flat ruler
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Yuan
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Yuan
Number of views:
1006
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1
Product description
Use of square tube flat ruler: Square tube flat ruler is used for inspection, measurement, scribing, equipment installation and industrial engineering construction.
The square tube flat ruler has the advantages of convenient use, no deformation, and easy storage.
The square point of the square tube is 110kg/mm2, and the bending resistance index is far beyond other materials.
The flat ruler is used to test the flatness of the flat plate, the long guide rail, etc. by the coloring method and the indicator table method, and is also commonly used for checking the straightness of the edge of the workpiece by the light gap method. Flat feet are generally made of cast iron, and rectangular flat feet are also made of bearing steel or granite. The flat-foot working surface shall not have defects such as sand holes, pores, cracks, slag inclusions, shrinkage, scratches, bumps, rust spots, etc., which seriously affect the appearance and performance.
The straightness of the flat measuring surface is the main accuracy indicator for the quality of the flat ruler. The accuracy level of the flat ruler is determined according to the allowable value of the straightness tolerance of the flat measuring surface. Manufactured according to the level of accuracy of the flat ruler and the use of the flat ruler, it is conducive to the uniformity of the precision of the process equipment and the serialization of the manufacturing precision of the measuring instrument; it is conducive to unifying the tolerance value of the measuring tool; improving the manufacturing and use precision of the product.
Advantages of the flat ruler: The flat ruler is made of "Jinan Green" stone by mechanical processing and hand-finishing. Black gloss, precise structure, uniform texture, good stability, high strength, high hardness, flat feet can maintain high precision under heavy load and normal temperature, and have no rust, acid and alkali resistance, wear resistance, non-magnetization, Invariable and other advantages.

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E-mail:hebei@yuan-peng.cn
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