A study on the grinding mechanism by the Apparatus to quickly separate the work from the wheel

工件与砂轮快速分离装置磨削机构的研究

• 批准号: 02650089
• 负责人: INOUE Makoto
• 金额: $ 0.26万
• 依托单位: Nagaoka University of Technology Grant-in-Aid for Scientific Research (C)
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1990
• 资助国家: 日本
• 起止时间: 1990 至 1991
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-02650089/
• 关键词: Grinding Process; Grinding Mechanism; Contact area between the wheel and work; Grain Cutting Mechanism; Diamond Wheel; Ceramics; 砥石ー工作物接触面; 切削状態; CBN砥石

In this study many contact surfaces between wheel and work that were suddenly separated by the impact in the grinding test were observed and measured by SEM. And following results were Obtained.1. Grinding mechanisms of the steel.(1)From the observation and measurement of the scratches on the contact area, the actual value of the interval of the effective cutting edges and the cross sectional areas were obtained.(2)Many actual cutting grains have two or more cutting edges.(3)Many swelled flows of the cutting deformation were observed and they are not negligible on the estimation of the values of the sectional areas of the chips and the depth of grain cut.2. Grinding mechanisms of the ceramics.(1)The ratio of the tangential grinding force to normal grinding force is constant nevertheless the kind of ceramics and the feed rate vary. And the ratio is large as the grain size of ceramic is small.(2)The ratio of the plastically deformed area to the fractured area is largely depend on the grain size and the kinds of ceramic material. And the grinding forces are effected too.(3)The specific grinding stress on the plastic flow area is related to the yield stress of the ceramics material.

在这项研究中，许多接触表面之间的砂轮和工件之间的突然脱离磨削试验中的冲击观察和测量的扫描电镜。并取得了以下研究结果.钢的研磨机制。（1）通过观察和测量接触区域上的划痕，获得有效切削刃间距和横截面积的实际值。（2）许多实际的切削粒具有两个或多个切削刃。（3）切削变形中存在大量的膨胀流，这些膨胀流对切屑截面积和切粒深度的估算是不可忽略的.陶瓷的磨削机理。（1）切向磨削力与法向磨削力之比是恒定的，但陶瓷种类和进给量不同。晶粒尺寸越小，该比值越大.（2）陶瓷材料的塑性变形面积与断裂面积的比值与陶瓷材料的晶粒尺寸和种类有很大关系。磨削力也受到影响。（3）塑性流动区的比磨削应力与陶瓷材料的屈服应力有关。

项目成果

Makoto Inoue: "A study on the grinding mechanism with the vertical food grinding test" The Technological Report of N.U.T.

Makoto Inoue：“通过垂直食品研磨试验研究研磨机理” N.U.T. 的技术报告

井上 誠: "工作物垂直送り試験による研削機構に関する研究" 長岡技術科学大学研究報告.

井上诚：《利用工件垂直进给试验的磨削机构研究》长冈工业大学研究报告。