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淬硬钢,耐磨铸铁和高强度优质合金(钢)难于磨削是众所周知的。尽管如此,几百个公司在工具车间和生产中用标准平面磨床对它们进行平面磨削却是很成功的。这些工厂都采用美国通用电气公司波莱若翁(General Electric Borazon)立方氮化硼(cubic boron nitriode)砂轮进行平面磨削。用波莱若翁公司的立方氮化硼砂轮进行磨削取得良好效果的材料其中有 HRC≥58的 M—2,M—4,M—15,T—1,T—9,T—15,A—7及 D—7的淬硬钢;HSc≥50的碳素钢或合金钢;难磨铸铁;钨铬钴合金钢,以及硬度超过 HRc35的优质合金钢。
Hardened steel, wear-resistant cast iron and high-strength high-quality alloy (steel) hard to grind is well known. In spite of this, hundreds of companies have been successful in surface grinding with standard surface grinders in the tool shop and in production. These plants are ground using a cubic boron nitride grinder from General Electric Borazon. Among them, M-2, M-4, M-15, T-1, T-9 and T-15 with HRC≥58 are the most effective materials for grinding with cubic boron nitride grinding wheel from Polaroid Technologies Co., A-7 and D-7 hardened steel; HSc ≥ 50 of carbon steel or alloy steel; hard cast iron; stellite steel and hardness of HRc35 high-quality alloy steel.