A Review of Analysis and Improvement in Tribological Properties Nitrided and Coated HSS Tool
Author(s):
Rahul Arjun Kale, Prof P.N.Ulhe
Keywords:
Surface coating, Friction, wear, Pin-on-disc,metal cutting
Abstract
Depositions of surface coating materials is one of the important approaches in improving friction and wear properties of the surface, there is a growing demand for low friction coatings like are commonly used to solve tribological problems and in particular problems of fretting. Hence, the use of low friction coatings like TiN, TiAlN and AlCrN is to improve the tribological properties of tools for metal cutting, forming and machine elements e.g. sliding bearings, seals and valves etc. It is therefore of strong scientific interest to conduct fundamental tribological research on the materials that exhibits low friction and can be used for surface coating on surfaces to rub against with reduced friction and wear. The reasons to coat cutting tools in a production situation are to increase tool life, to improve the surface quality of the product, and to increase the production rate. The advantages of this coating include high hardness, good ductility, excellent lubricity, high chemical stability and tough resistance to wear, corrosion and temperature. In this paper, the principles, advantages and limitations of various coating and processes are summarized. With the growing popularity of coated tools and new development of coating process, this paper deals with the study of the performance of coated tools in machining hardening steel under dry conditions. This paper involves of machining hardened steel using Titanium nitride (TiN), TiAlN and AlCrN coated HSS tools is studied using Taguchi technique. Many parameters influence the quality of the products in turning process. The objective of this study is on the effect of coating on tool to determine its various parameters such as Sliding Speed, Load and Sliding Distance in machining hardened steel.
Article Details
Unique Paper ID: 142458

Publication Volume & Issue: Volume 2, Issue 2

Page(s): 36 - 41
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