由河南省煤炭科学研究所研制的MQ-Ⅰ型柱齿钎头修磨机,于1991年12月通过了中国统配煤矿总公司组织的技术鉴定,同意推广使用。该机为手持便携式风动修磨机具,主要用于凿岩柱齿钎头及潜孔钻头的修磨。它采用叶片式高速风马达直接驱动带中心水孔的特制人造金刚石磨头工作,具有结 The MQ-Ⅰ column tooth bit sharpener developed by Henan Institute of Coal Science passed the technical appraisal organized by China General Coal Mine Corporation in December 1991 and agreed to promote it. This machine is hand-held portable pneumatic grinding machine, mainly used for drilling bit teeth drill bit and DTH drill grinding. It uses a blade-type high-speed wind motor direct drive center hole with a special artificial diamond grinding head work, with knot