Microendmill Dynamics Including the Actual Fluted Geometry and Setup Errors-Part I: Model Development and Numerical Solution  

Oleh:

Filiz, Sinan ; Ozdoganlar, O. Burak

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Manufacturing Science and Engineering vol. 130 no. 3 (Jun. 2008), page 031119.
Topik: Microendmill Dynamics; The Actual Fluted Geometry; Setup Errors; Model Development and Numerical Solution

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ93.11 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

This paper presents an analytical model for the microendmill dynamics, including the setup errors, the axial force, the sectioned tool geometry, and the actual crossection of the twisted flueted section. Different tool geometries and tool-grinding errors can also be incorporated in the presented model. To include the shear deformations and rotary inertia effects arising from the stubby nature of the microendmill, the Timoshenko beam equations are used in the derivation. The boundary-balue problem is derived for each of the shank, taper, and fluted sections of the microendmill, and a component mode synthesis technique is used to combine the individual sections. A new spectral-Tchebychev technique is utilized to obtain the numerical solution of the boundary-value problem without resorting to the finite-elements technique. As a result, a simpel yet accurate description of the microendmill dynamics is obtained. The solution is experimentally validated in Part II of the paper.

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