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磨具的硬度对其磨削性路有很大影响,是磨具选择的重要参数之一。无论是国际标准或我国的国家标准都把硬度作为磨具的基本性能给以规定。国际(GB2490～2491—81)已规定粒度为36~#～150~3陶瓷和树脂砂轮用喷砂硬度法测量;而180~#～W5磨具则用洛氏硬度法测量,但对于30~#及以粗的这部份砂轮硬度的测法尚未规定,主要是因为没有合适的测量方法和仪器,因而使这部分砂轮硬度的测量处于无章可
Abrasive hardness of its grinding path has a great influence, is one of the important parameters of the abrasive selection. Both the international standards or national standards in China regard the hardness as the basic performance of abrasive tools. International (GB2490 ~ 2491-81) has been specified particle size of 36 ~ # ~ 150 ~ 3 ceramic and resin wheel measured by sandblasting hardness; and 180 ~ # ~ W5 abrasive is measured by Rockwell hardness, but for 30 ~ # And rough this part of the wheel hardness measurement has not yet provided, mainly because there is no suitable measurement methods and equipment, so that this part of the wheel hardness measurement in a chapterless