Frequency Response Studies using Receptance Coupling Approach in High Speed Spindles

  • Jakeer Hussain Shaik
  • K. RamakotaiahEmail author
  • J. Srinivas
Original Contribution


In order to assess the stability of high speed machining, estimate the frequency response at the end of tool tip is of great importance. Evaluating dynamic response of several combinations of integrated spindle-tool holder-tool will consume a lot of time. This paper presents coupled field dynamic response at tool tip for the entire integrated spindle tool unit. The spindle unit is assumed to be relying over the front and rear bearings and investigated using the Timoshenko beam theory to arrive the receptances at different locations of the spindle-tool unit. The responses are further validated with conventional finite element model as well as with the experiments. This approach permits quick outputs without losing accuracy of solution and further these methods are utilized to analyze the various design variables on system dynamics. The results obtained through this analysis are needed to design the better spindle unit in an attempt to reduce the frequency amplitudes at the tool tip to improvise the milling stability during cutting process.


Receptances-coupling Tool-tip frequency response Flexible spindle housing Finite element modelling Experimental modal analysis 


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Copyright information

© The Institution of Engineers (India) 2018

Authors and Affiliations

  • Jakeer Hussain Shaik
    • 1
  • K. Ramakotaiah
    • 1
    Email author
  • J. Srinivas
    • 2
  1. 1.Department of Mechanical EngineeringKKR and KSR Institute of TechnologyGunturIndia
  2. 2.Department of Mechanical EngineeringNational Institute of TechnologyRourkelaIndia

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