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由航天工业部首都机械厂新工艺试验室研制成功的青刚玉树脂切割砂轮,一九八三年十月七日在北京由航天工业部组织四十一个单位,七十二名专家、教授和代表参加通过了技术鉴定。青刚玉树脂切割砂轮具有强度高、韧性好、切削锋利、抗磨屑的粘附能力强等特点。经近十个单位使用证明,该砂轮与目前使用的棕刚玉和白刚玉树脂砂轮相比,用于切断普通钢材中的管材、角材、型材效果较好;用于切断不锈钢和其他难加工的合金钢效果显著。如磨削比提高30％以上,切削效率可提高一倍左右。
The newly-developed green fused alumina cutting wheel, developed by the New Technology Laboratory of Capital Machinery Factory of the Ministry of Aerospace Industry, was organized by the Ministry of Aerospace Industry in Beijing on October 7, 1983 with 41 units, 72 experts and professors and Representatives passed the technical appraisal. Green corundum resin cutting wheel with high strength, good toughness, cutting sharp, anti-wear debris adhesion and so on. The use of nearly 10 units proved that compared with the current use of corundum and white corundum resin grinding wheel, used to cut ordinary steel pipe, angle, the profile is better; for cutting stainless steel and other difficult to process the alloy Steel effect is remarkable. Such as grinding more than 30% increase in cutting efficiency can be doubled.