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Nei Huang Hongfa's classification of electric drill bits

by:Ronix Tools     2021-05-16
For the classification of electric drill bits, there are many classification methods for engineering electric drill bits, and the common ones are mainly the following:    1. Classification by use Engineering drills are mainly used for construction and construction. There are many specifications of this kind of engineering drills, and the amount is relatively large. The main purpose of forming a special main product series of industrial drills is drilling and coring, which are mainly used for product processing, such as the cutting of wide screen and wide lens, and the nesting of silicon wafers.  The sample drill is mainly used for the sampling and analysis of materials, such as the analysis of large graphite electrodes and refractory bricks.  Second, classification according to its manufacturing method   The hot pressing method is similar to the hot pressing manufacturing method of the geological impregnated electric drill bit. A ferrule can be made first and then welded to the steel body, or it can be directly hot pressed onto the steel body.  The electroplating method is similar to the manufacturing process of electroplated electric drill bits. The electroplating method can be divided into epitaxial growth method and conventional method.  三. According to the classification used   Natural engineering drills use high-quality natural materials as cutting materials and are mostly used in building materials and construction industries.  Man-made engineering drills use high-quality man-made single crystals as cutting materials, which are mostly used in optics and chemical industries. my country's thin-wall engineering electric drills started late, and so far there has not been a national unified standard. Each electric drill manufacturer provides products of one specification according to the needs of the market.
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