Phenomenon of Lagging in the Values of Grinding Wheel Performance Characteristics Due to the Radial Transformation of the Cutting Surface of a Wheel under Abrasive Diamond Treatment

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Superhard Materials Pub Date : 2024-01-18 DOI:10.3103/S1063457623060060

V. I. Lavrinenko

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Abstract

In the process of face grinding under multipass and plunge-feed treatment conditions, the cutting surface of a wheel sustains radial transformation. If the critical grinding rate is attained when the cutting surface of a wheel has no reserves for growth, a further increase in the grinding rate leads to the abrupt wear of wheels. Since the cutting surface area of a wheel is further stable, there may be the phenomenon of lagging in the values of grinding wheel performance characteristics, if the grinding rate is decreased at such a stable surface area. Such a lag is observed for the wheel wear, specific energy consumption, and effective grinding power, but not for the roughness parameters. It has been shown that the cutting surface of a wheel can be adjusted to the critical grinding rate when the cutting surface area attains a maximum for further operation with lower critical losses in the grinding rate to reliably ensure a decrease in the wheel wear and grinding energy consumption.

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金刚石磨料处理下砂轮切削表面径向变化导致的砂轮性能特征值滞后现象

摘要在多通道和切入进给处理条件下进行端面磨削时，砂轮的切削表面会发生径向变化。如果达到临界磨削率时，砂轮的切削表面已无生长储备，则进一步增加磨削率会导致砂轮突然磨损。由于砂轮的切削表面积进一步趋于稳定，如果在这样一个稳定的表面积上降低磨削率，可能会出现砂轮性能特征值滞后的现象。在砂轮磨损、比能耗和有效磨削功率方面可以观察到这种滞后现象，但在粗糙度参数方面却观察不到。研究表明，当切削表面积达到最大值时，可将砂轮的切削表面调整到临界磨削率，以便在磨削率临界损耗较低的情况下继续运行，从而可靠地确保减少砂轮磨损和磨削能耗。

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来源期刊

Journal of Superhard Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.80

自引率

66.70%

发文量

审稿时长

2 months

期刊介绍： Journal of Superhard Materials presents up-to-date results of basic and applied research on production, properties, and applications of superhard materials and related tools. It publishes the results of fundamental research on physicochemical processes of forming and growth of single-crystal, polycrystalline, and dispersed materials, diamond and diamond-like films; developments of methods for spontaneous and controlled synthesis of superhard materials and methods for static, explosive and epitaxial synthesis. The focus of the journal is large single crystals of synthetic diamonds; elite grinding powders and micron powders of synthetic diamonds and cubic boron nitride; polycrystalline and composite superhard materials based on diamond and cubic boron nitride; diamond and carbide tools for highly efficient metal-working, boring, stone-working, coal mining and geological exploration; articles of ceramic; polishing pastes for high-precision optics; precision lathes for diamond turning; technologies of precise machining of metals, glass, and ceramics. The journal covers all fundamental and technological aspects of synthesis, characterization, properties, devices and applications of these materials. The journal welcomes manuscripts from all countries in the English language.