Experimental Study And Analysis For Chatter Of Face Milling Tool

  Mohit .A. Shrivastava,  Maulik .V. Patel,  D.H. Pandya

This paper deals with the experimental investigations of chatter in high speed milling on VMC. Producers of machined components are continually challenged to improve quality, reduce cost and minimize setup time in order to remain competitive that can be achieved by high speed milling operation. In high speed machine tool chatter must be avoided for better machine life, improve surface finish, and increase tool life. The chatter in face milling is reduced by introducing the damper in the cutting tool system. To reduce the vibration and chatter problem in face milling for this purpose investigation is carried out for introducing the shim attach with insert that provide damping. High speed and hard material applies pressures on the insert seat and shim. The shim acts as a shock absorber for the insert and work piece. The shim protects both insert and tool holder from damage due to high cutting forces. In the present work, the Carbide, Aluminum and Brass shim, material are used to find out there effect on reduction in vibration and improvement in surface finish. Finite Element Analysis (FEA) is done for finding the damping Ratio for different shim material using ANSYS-14.5 software. Experiments are conducted using without shim and with three shims in total 36 nos. of cutting operations were performed for combination of different cutting speed (200 m/min, 250 m/min and 300 m/min) , depth of cut (1.2 mm, 1.0 mm, and 0.8 mm) and shim material (Aluminum, Carbide and Brass) on VMC machine. Dynamic motion analysis is done to identify the motion behavior of face milling tool. In present work Time domain, FFT, Point care and Orbit plot are used for predication of tool holder behavior by dynamic motion analysis.

Keywords- Chatter, damping ratio, finite element method, model analysis, ANSYS, VMC

Unique Identification Number - IJEDR1704187
Page Number(s) - 1156-1160
Pubished in - Volume 5 | Issue 4 | December 2017
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)

  Mohit .A. Shrivastava,  Maulik .V. Patel,  D.H. Pandya,   "Experimental Study And Analysis For Chatter Of Face Milling Tool", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.5, Issue 4, pp.1156-1160, December 2017, Available at :http://www.ijedr.org/papers/IJEDR1704187.pdf