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Research on the influence factors for the deflection of micro-ball-end cutter in micro-end-milling process

  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Machining parameters and spindle radial runout have great influence on the micro-ball-end cutter deflection in the micro-end-milling process. In this study, a 3D (three-dimensional) thermal-mechanical FEM (finite element method) model of micro-milling with non-rigid cutter is built to study how radial runout, cutting depth, feed and spindle speed influence the cutter deflection when feed has the same direction with the spindle radial runout. Cutter deflection under different groove lengths, cutting depths, feeds and spindle speeds is investigated, which shows that cutter deflection increases with spindle radial runout significantly. The largest deflections with runout of 2μm are 3.26μm, 3.26μm, 4.71μm and 4.52μm respectively under the adopted machining conditions, while the largest deflections without runout are 1.85μm, 1.85μm, 2.26μm and 3.79μm respectively. It is also shown that the runout effect increases with groove length, cutting depth, while it decreases with feed.

Original languageEnglish
Title of host publicationAdvances in Materials Manufacturing Science and Technology XIV
EditorsTian Huang, Dawei Zhang, Bin Lin, Yanling Tian, Weiguo Gao, Anping Xu
PublisherTrans Tech Publications Ltd
Pages84-87
Number of pages4
ISBN (Print)9783037852378
DOIs
StatePublished - 2012
Event14th International Manufacturing Conference in China, IMCC2011 - Tianjin, China
Duration: 13 Oct 201115 Oct 2011

Publication series

NameMaterials Science Forum
Volume697-698
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference14th International Manufacturing Conference in China, IMCC2011
Country/TerritoryChina
CityTianjin
Period13/10/1115/10/11

Keywords

  • Deflection
  • Finite element model
  • Micro-milling
  • Spindle radial runout

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