Identification of significant parameters and appropriate levels in honing of cylinder liners
Source: International Journal of Machining and Machinability of Materials, Volume 5, Number 1, 10 February 2009 , pp. 80-96(17)
Publisher: Inderscience Publishers
Abstract:Surface topography of cylinder liners influences the functional behaviour of internal combustion engines. The cylinder liners after boring operation are subjected to rough, finish and plateau honing operations in which parameters such as rotary speed, reciprocating speed, pressure and honing time are selected on the basis of operator's experience. The present work is a comprehensive investigation carried out to identify the significant honing parameters and their values for different honing operations. The honing trials are carried out according to design of experiments. Before each operation, all cylinder liners are processed identically under conditions identified from the previous operation. Parameters considered for characterising the surface topography are roughness average (R<SUB align=right>a) and all five bearing area parameters (R<SUB align=right>pk, R<SUB align=right>k, R<SUB align=right>vk, M<SUB align=right>r1 and M<SUB align=right>r2). It is established in the present work that R<SUB align=right>a can be replaced effectively by R<SUB align=right>k in finish and plateau honing operations to control the final surface topography and these parameters (R<SUB align=right>a, R<SUB align=right>k) are influenced by honing pressure. For the most important bearing area parameter M<SUB align=right>r2, the significant process parameters are medium honing time in finish honing and high reciprocating speed in plateau honing. These results are useful for controlling the honing operations during the manufacture of the cylinder liners.
Document Type: Research article
Affiliations: 1: Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai - 600 036, India. 2: Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai - 600 036, India
Publication date: 2009-02-10
- International Journal of Machining and Machinabilty of Materials is a refereed international publication in the field of machining and machinability of materials. Machining science and technology is an important subject with application in several industries. Parts manufactured by other processes often require further operations before the product is ready for application. Machining is the broad term used to describe removal of material from a workpiece, and covers chip formation operations - turning, milling, drilling and grinding, for example. Machining processes can be applied to work metallic and non metallic materials such as polymers, wood, ceramics, composites and special materials. Today, in modern manufacturing engineering, there has been strong renewed interest in high efficiency machining.
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