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Concentricity (concentricity) is the tolerance that controls the central axis of a reference feature to the datum axis. The datum axis and the axis of the reference feature are derived from the midpoint of the part or feature. Concentricity is a very complex characteristic because it relies on ... Read More
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The meaning of this word (screw) has changed a lot in the last few hundred years, at least in 1725, it means to mate. The application of the thread principle can be traced back to 220 BC when the Greek scholar Archimedes created a spiral water lifting tool. In the 4th century, the Mediterranean ... Read More
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Since China listed "equipment manufacturing" as its national development strategy, China's equipment manufacturing industry has achieved rapid development. The manufacturing capacity of many large-scale equipment has leaped to the world's advanced level, and has even become the world's top level. ... Read More
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Machine tool is based on the definition made by the International Standards Organization (ISO) and the American Machine Tool Fair (IMTS): "A device that is driven by power and cannot be carried by manpower. The combination of chemical or other methods to achieve the purpose of processing materials ... Read More
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