Application of lubrication theory to fluid flow in grinding: Part II - Influence of wheel and workpiece roughness

被引：28
|
作者：
Hryniewicz, P [1 ]
Szeri, AZ
Jahanmir, S
机构：
[1] Univ Delaware, Dept Mech Engn, Newark, DE 19716 USA
[2] Natl Inst Stand & Technol, Div Ceram, Gaithersburg, MD 20899 USA
来源：
JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME | 2001年 / 123卷 / 01期
关键词：
D O I：
10.1115/1.1331278
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The objective of this study is to model fluid flow in grinding with nonporous wheels. While Part I focused on the flow in a simplified smooth geometry, in this part the wheel surface roughness is introduced. The applicability of the modified Reynolds equation for laminar flow's between rough surfaces is verified experimentally in terms of the developed hydrodynamic pressure, using a resin-bonded diamond grinding wheel. The experiments were performed under the spark-out condition (i.e., with the wheel just touching the workpiece) and in actual grinding. Agreement between theory and experiment is shown Sol Re<100, but a significant discrepancy (most likely due to turbulence is observed for 300<Re<1500.
引用
收藏
页码：101 / 107
页数：7
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