Study on Finishing of Curved High Performance Ceramic Surface by using a Semispherical Diamond Grinding Tool
半球形金刚石磨具精加工高性能陶瓷曲面表面的研究
基本信息
- 批准号:61550087
- 负责人:
- 金额:$ 1.28万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for General Scientific Research (C)
- 财政年份:1986
- 资助国家:日本
- 起止时间:1986 至 1987
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The purpose of this research project is to first develop a dual-axis spherical diamond grinding tool for finishing the curved high performace ceramic surfaces, secondly study the finishing mechanism and properties of the dual-axis grinding tool in which the semi-spherical (or a part of spherical body) diamond grinding wheel can be revolve on both the main spindle and the wheel axis at the same time.The grinding experiments for example Si_3N_4 and Al_2O_3 ceramics are carried out by using the developed grinding tool directly attached to the main spindle of the N/C milling machine tool. On the other hand, in order to examine the breaking strength of the ground Al_2O_3 ceramics, the three-points flexural strength tests are done.The results obtained are summarized as follows.(1)By dual-axis grinding the vertical surfaces of Si_3N_4 ceramics with the semispherical diamond wheel, we can obtain the surface roughness of less than 5<micrn>mRz and the stock removal corresponding to the given depth of cut.(2)By the dual-axis diamond grinding wheel with the part of spherical body, the surface roughness of about 1.3<micrn>mRz and 2.4<micrn>mRz can be obtained for the plane surfaces and the vertical surfaces of Al_2O_3 ceramics respectively. The normal forces are relatively small values of about 7N for the plane surfaces and 4N for the vertical surfaces.(3)By the tree-points flexural strength tests of Al_2O_3 ceramics, the average values of flexural strength are 50 kgf/mm^2 for the plane surfaces and 41 kgf/mm^2 for the vertical surfaces. It is noticed that the strength for the vertical surfaces is rather higher than that of general Al_2O_3 ceramics (about 40 kgf/mm^2).
本研究项目的目的是首先开发一种用于加工高性能陶瓷曲面的双轴球面金刚石磨具,然后研究半球形(或部分球体)金刚石砂轮同时在主轴和砂轮轴上旋转的双轴磨具的精加工机理和性能,并以Si3N4和Al_2O_3陶瓷为例进行了磨削试验。另一方面,为了考察磨削后的Al_2O_3陶瓷的断裂强度,进行了三点抗折强度试验,结果表明:(1)用半球形金刚石砂轮对Si3N_4陶瓷的垂直表面进行双轴磨削,可获得表面粗糙度小于5微米的表面粗糙度和与给定切深对应的切削量。对于Al_2O_3陶瓷的平面和垂直表面,可以分别获得mrz和2.4<;microrn;mrz。(3)通过Al_2O_3陶瓷的三点弯曲强度试验,平面弯曲强度平均值为50kgf/mm^2,垂直表面弯曲强度平均值为41kgf/mm^2。结果表明,垂直表面的强度远高于普通Al_2O_3陶瓷的强度(约40kgf/mm^2)。
项目成果
期刊论文数量(12)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
星子幸英: 昭和62年度精密工学会春季大会学術講演会論文集. (1987)
Yukihide Hoshiko:日本精密工程学会 1985 年春季会议记录(1987 年)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Takashi MIYOSHI: "Polishing Mechanism and Properties of a Dual-axis Spherical Polishing Tool for Mold Cavities" Prcc. of the 6th ICPE. Osaka. 341-346 (1987)
Takashi MIYOSHI:“模具型腔双轴球面抛光工具的抛光机理和性能” Prcc。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Hideyuki HOSHIKO: "Finishing of Curved High Performance Ceramic Surfaces by a Dual-axis Grinding Tool-Grinding Properties of Alumina-" Proc. of the Spring Annual Meeting of JSPE. Tokyo. 371-372 (1988)
Hideyuki HOSHIKO:“通过双轴磨具对弯曲的高性能陶瓷表面进行精加工-氧化铝的磨削性能-”Proc。
- DOI:
- 发表时间:
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- 影响因子:0
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MIYOSHI Takashi其他文献
MIYOSHI Takashi的其他文献
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{{ truncateString('MIYOSHI Takashi', 18)}}的其他基金
DEVELOPMENT OF THE NANO-CMP PROCESS APPARATUS CONTROLLED BY OPTICAL RADISTION PRESSURE
光辐射压力控制的纳米CMP工艺装置的研制
- 批准号:
13355006 - 财政年份:2001
- 资助金额:
$ 1.28万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Study on Nano-inprocess measurement of CMP defects on SiO2 filmed wafer surface
SiO2薄膜晶圆表面CMP缺陷的纳米在线测量研究
- 批准号:
12450060 - 财政年份:2000
- 资助金额:
$ 1.28万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Nano In-Process Measurement of 3D Micro-Profile Using Optical Inverse Scattering
使用光学逆散射对 3D 微观轮廓进行纳米过程测量
- 批准号:
11555043 - 财政年份:1999
- 资助金额:
$ 1.28万 - 项目类别:
Grant-in-Aid for Scientific Research (B).
Study on Micro-machining Using a Small Particle Controlled by Optical Pressure.
利用光压控制小颗粒进行微加工的研究。
- 批准号:
09450060 - 财政年份:1997
- 资助金额:
$ 1.28万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of Laser Trapping Probe for The Nano-CMM
纳米坐标测量机激光捕获探针的研制
- 批准号:
09555044 - 财政年份:1997
- 资助金额:
$ 1.28万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
STUDY ON NANO-INPROCESS MEASUREMENT OF SILICON WAFER SURFACE DEFECTS
硅片表面缺陷的纳米加工测量研究
- 批准号:
07455064 - 财政年份:1995
- 资助金额:
$ 1.28万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of A Non-contact 3-D Free Form Surface Measuring System in Aid of The Maser Model Based Design
借助基于微波激射器模型的设计开发非接触式 3D 自由曲面测量系统
- 批准号:
07555629 - 财政年份:1995
- 资助金额:
$ 1.28万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Study on nano-inprocess measurement for flexible micromachinig
柔性微加工纳米过程测量研究
- 批准号:
05452137 - 财政年份:1993
- 资助金额:
$ 1.28万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
In-Process Measuring System for U1tra-Precision Diamond Turned Surface
超精密金刚石车削表面在线测量系统
- 批准号:
01850028 - 财政年份:1989
- 资助金额:
$ 1.28万 - 项目类别:
Grant-in-Aid for Developmental Scientific Research (B).
Analysis and Automation of Polishing Motion of a Skilled Machinist by Handwork for Mold and Die
熟练机械师手工模具抛光动作的分析与自动化
- 批准号:
63550093 - 财政年份:1988
- 资助金额:
$ 1.28万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)