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无心磨削,是高精度、高效率批量加工零件不可缺少的磨削方式。使用陶瓷结合剂CBN砂轮将会进一步提高无心磨削的加工效率。由于CBN砂轮的克努普硬度高达4700HK,所以对砂轮整个工作面的高精度修整技术很值得研究。外圆磨削中的逆磨切入角一般是5′～10′,无心磨削中顺磨切入角一般为1°～3°(如图1所示)。硬度高的CBN磨粒,可用大切入角磨削工件,而与外圆
Centerless grinding, high-precision, high-efficiency parts processing indispensable grinding methods. The use of ceramic bond CBN grinding wheel will further improve the processing efficiency of centerless grinding. Because Knnop hardness of CBN grinding wheel is as high as 4700HK, high-precision dressing technology for the entire working surface of the grinding wheel is worth studying. Inverse grinding in the cylindrical grinding into the angle is generally 5 ’~ 10’, centerless grinding in the grinding into the angle is generally 1 ° ~ 3 ° (Figure 1). Hardness of the CBN abrasive particles, the workpiece can be used to grind large angle, while the outer circle