Recently, the National Patent Office “National Patent Awards Evaluation Committee†was reviewed by the National Patent Office. The patent for the metal mold mechanized cast ball production line equipment developed by Ningguo Wear-Resistant Materials General Factory was awarded the third prize of the National Patent. The device is a utility model patent, which can greatly improve production efficiency, stabilize product quality, reduce labor intensity of workers, and has broad application prospects. At present, all the workshops of Ningguo Wear-Resistant Materials General Factory have all used the metal mold mechanized casting ball production line to produce grinding balls.
Hammer Drill, also known as a percussion drill or Impact Drill, is a power Tool used chiefly for drilling in hard materials. It is a type of rotary drill with an impact mechanism that generates a hammering motion. The percussive mechanism provides a rapid succession of short hammer thrusts to pulverize the material to be bored, so as to provide quicker drilling with less effort. If a hammer drill's impact mechanism can be turned off, the tool can be used like a conventional drill to also perform tasks such as screwdriving.
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