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Development of Dressing Method for Superabrasive Wheel by Gentle Wet Blasting

温和湿式喷砂超硬磨料轮修整方法的研制

基本信息

批准号：
03555030
负责人：
YAGISHITA Hukuzo
金额：
$ 2.62万
依托单位：
Numazu College of Technology
依托单位国家：
日本
项目类别：
Grant-in-Aid for Developmental Scientific Research (B)
财政年份：
1991
资助国家：
日本
起止时间：
1991 至 1993
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-03555030/
关键词：
Superabrasive Wheel Gentle Wet Blasting Dressing Grain Protrusion Grinding Performance Cutting Edge Distribution of Wheel Grain 液体ホーニング超砥粒砥石

项目摘要

The authors have developed a new truing and dressing method for superabrasive wheel which is comprised of truing with rotary truer and dressing by gentle wet blasting. This new method is characterized by that after the wheel is trued with the rotary truer, the gentle wet blasting is applied to the superabrasive wheel. Gentle wet blasting is very effective process not only to blow off clogging of removed stocks but also to remove only bonding material selectively from the trued wheel surface. We have carried out the test of this new method and found that the dressing by the gentle wet blasting makes the ideal working surface on the grinding wheel Also, it is found that the wheel dressed by this new method shows excellent grinding performance. Obtained results are summarized as follows :1. The dressing by gentle wet blasting is very effective to remove only bonding material selectively from the trued wheel surface for every bonding material and enables to control grain protrusion finely by regulating the blasting duration.2. Each abrasive grain on the working surface of the wheel dressed by the gentle wet blasting is held rigidly with bonding material and the points of all abrasive grains are arranged uniformly on the same peripheral circle. This is desirable to obtain the surface roughness expected and to elongate the wheel life.3. The grinding performance of the diamond wheels dressed by the gentle wet blasting shows the desirable results for every performance of the surface roughness, the grinding power, the normal grinding force and the grinding ratio.4. For the porous type vitrified bond CBN wheel, the gentle wet blasting by using comparatively soft synthetic resin particles brings us the better grinding performance than the dressing by the alminum oxcide stick.

提出了一种由旋转磨刀和温和湿喷修整相结合的超磨轮修整方法。该新方法的特点是，在用旋转磨刀对超磨轮进行精磨后，再对超磨轮进行温和湿式爆破。温和的湿式喷砂是一种非常有效的工艺，不仅可以吹掉被去除的坯料的堵塞，而且可以选择性地去除砂轮表面的粘合材料。对该方法进行了试验，结果表明，采用湿式温和爆破修整后的砂轮具有理想的工作表面，修整后的砂轮磨削性能优良。所得结果总结如下：1。温和湿式爆破修整对每一种粘结材料都能很好地选择性地去除砂轮表面的粘结材料，并能通过调节爆破时间来精细地控制晶粒突出。经温和湿式喷砂修整的砂轮工作面上的每一粒磨粒都用粘结材料牢固地固定住，所有磨粒的点均匀地排列在同一外围圆上。这对于获得预期的表面粗糙度和延长车轮寿命是可取的。经湿喷修整后的金刚石砂轮磨削性能在表面粗糙度、磨削功率、法向磨削力和磨削比等各方面均取得了满意的结果。对于多孔型陶瓷结合剂CBN砂轮，采用较软的合成树脂颗粒进行温和湿式喷砂处理，磨削性能优于氧化铝棒处理。