International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395 -0056
Volume: 04 Issue: 04 | Apr -2017
p-ISSN: 2395-0072
www.irjet.net
Compare Coated and Simple Cutting Tool, for Optimized the Surface Roughness of Composite Material-Alloy Steel 316I in CNC Machine 1Prof.
Chandresh Rana, 2Bhavesh K Mishra, 3Nihir Patel, 4 Kshatriya Abhishek
Assistant Professor, Dept. of Mech Engineering, Vadodara Institute of Engineering, Gujarat, India 234 B.E Student, Dept. of Mech Engineering, Vadodara Institute of Engineering, Gujarat, India ---------------------------------------------------------------------***--------------------------------------------------------------------1
Abstract - It has set up those prior surface coatings on any
operations or forces due to vibration and chatter during machining do not chip or fracture the tool.
cutting tools to get better wear resistance by causing the transformation to the contact conditions between the chip and tool interface. As from the recent development, coated tools have made a primary contribution to the all type of metal cutting operations in terms of life span of tool, cutting time and quality of machining.The mechanical containing properties of TiN, TiAlN, are to be compared with the uncoated Tungsten carbide cutting tool. Same as different type of processes like Chemical Vapor Deposition and Physical vapor Deposition Methods could be used as comparatively. Also the present work till now would use to find the best coating that has to be done on the base materials and also to calculate the life of tool.
(1) Surface finish (2) Wear resistance (3) High cutting speed (4) More accuracy
1.2 Scope of future work Thermal Shock resistance to withstand the rapid temperature cycling encountered in interrupted cutting. Wear resistance so that an acceptable tool life is obtained before replacement is necessary. Chemical stability is also needed to avoid or minimize any adverse reactions, adhesion, and tool-chip diffusion. We are planning to do following type of coatings with the collaboration from industries: Titanium Carbo-Nitride (TiCN) Titanium Nitride (TiN) Aluminum Titanium Nitride (AlTiN) Zirconium Nitride (ZrN) Nickel Chrome Black Oxide Diamond
Key Words: TIN, TIAlN, PVD, Surface roughness, Temperature guage
1.INTRODUCTION Cutting Tools these days are appropriate and do give good quality, but there is a need to develop the coatings to be done on the cutting tools for the sake of accuracy and quality. While the cutting operation, tool often faces issue of wear between chip and tool interface, thus the cutting tools are required to be specially coated, so that the appropriate quality, surface finish as well as wear resistance is obtainedCoated cutting tool should have various properties so that tool can be withstand for a long time while performing the operation and machining continuously without breakage of tool or any harm to the work piece. Tool should have properties such as high cutting speed, long tool life, and more wear resistance and can be work under higher temperature.
2. METHODOLOGY AND MATERIALS 2.1 Coating Methods
Coatings thickness of 2-15 μm, are applied on cutting tools and inserts by the following techniques: 1.
Chemical-vapor deposition (CVD), including plasmaassisted
2.
Physical-vapor deposition (PVD)
1.1 Problem Identification We are focusing on to maintaining hardness, strength, and wear resistance in a cutting tool at elevated temperatures. This property ensures that the tool does not undergo any failure and thus retains its shape and sharpness.
Coatings for cutting tools, as well as Punches and Dies , should have the following general characteristics:
Toughness and impact strength (or mechanical shock resistance), such that impact forces on the tool that are encountered repeatedly in interrupted cutting
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Impact Factor value: 5.181
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1.
Higher hardness at elevated temperatures
2.
Chemical stability to the work-piece material
3.
Lower bonding to the substrate to prevent flake or spalling
4.
Little or no porosity
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