MODIFICATION OF WHEEL-RAIL CONTACT PARAMETERS BY WEAR

被引：0

作者：

Barbinta, C. I. ^{[1
]}

Cretu, S. ^{[1
]}

机构：

[1] Gheorghe Asachi Tech Univ Iasi, Fac Mech Engn, Mech Engn Mechatron & Robot Dept, Iasi 700050, Romania

来源：

JOURNAL OF THE BALKAN TRIBOLOGICAL ASSOCIATION | 2013年 / 19卷 / 03期

关键词：

wheel rail contact; non-Hertzian pressure; wear; MiniProf;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

After the operation, due to wear, both wheel and rail profiles undergo changes and for reasons of traffic safety, reducing maintenance costs and last but not least of optimising wheel and rail profiles is required the knowledge of the contact area and pressure distribution. Using the NON-HERTZ computer code with the measured profiles as input data made with MiniProf instrument, for values of the wheel-set lateral shift ranging between 3 and 5 mm, according to the elastic model, both for the situation in which the wheel and rail profiles are those resulted from manufacturing technologies (unused) and for the situation in which the two profiles are used (3 phases), it has been shown that wear changes: the contact location and area, as well as the pressure distribution and its maximum value. Also it has been noted that the more severe profiles wear was, the less influence of the wheel-set lateral shift appeared.

引用

页码：412 / 418

页数：7

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