Speed Stroke Grinding of γ-Titanium Aluminides

This paper describes the developments to implement the innovative technology of speed stroke grinding for machining γ-titanium aluminides. These are difficult to cut materials with high application potential in the aeronautics industry. In a first step, a holistic process model is developed, which c...

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Bibliographic Details
Published inCIRP annals Vol. 55; no. 1; pp. 333 - 338
Main Authors Zeppenfeld, C., Klocke, F.
Format Journal Article Conference Proceeding
LanguageEnglish
Published Oxford Elsevier Ltd 2006
Elsevier
Subjects
Applied sciences
Exact sciences and technology
Grinding
Mechanical engineering. Machine design
Process Modelling
Titanium
Titanium
Grinding
Process Modelling
Machining
Thermomechanical properties
Aluminium alloy
Cutting speed
Experimental study
Aeronautic industry
Modeling
Titanium base alloys
Surface structure
Energy balance
High speed
Tool wear
Formation mechanism
Residual stress
Assembly
Crack initiation
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Summary:This paper describes the developments to implement the innovative technology of speed stroke grinding for machining γ-titanium aluminides. These are difficult to cut materials with high application potential in the aeronautics industry. In a first step, a holistic process model is developed, which considers the tool wear and the mechanical and thermal energy balances at high table speeds as well as the crack formation mechanisms. In a second step, the theoretical process model of speed stroke grinding is verified and extended by experimental investigations. In addition to the analysis of the tool wear mechanisms crucial points of the grinding investigations are the analysis of the grinding temperatures and the structure of the workpiece surfaces with special regard to crack and residual stress formation.
ISSN:0007-8506
DOI:10.1016/S0007-8506(07)60429-6