Machine tools and methods for machining turbine rotor assemblies

US8695216B2 · kind B2 · utility

Assignee

• Climax Portable Machine Tools, Inc. · US

Inventors

• Keith Richard Davis · Beaverton, US
• David Loyd Sorensen · Sherwood, US
• John Winfrey Dillman · Newberg, US
• John Rogers Brooks · Portland, US
• Hitesh Patel · Newark, US
• David Briggs · Douglas, US
• Garrett Headrick · Newberg, US
• Andrew Thompson · Hendersonville, US
• David Ross · Lake Arrowhead, US
• Jeremy Carl Conser · Beaverton, US

Key dates

• Filing date: Dec 27, 2011
• Grant date: Apr 15, 2014
• Expiry date: Sep 11, 2032

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49725
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

Machine tools and methods for machining turbine rotor assemblies are disclosed. Some machine tools include a drill arm that pushes off of a turbine stage that is adjacent to a turbine stage to be machined. Some machine tools include a clamping arm that secures the machine tool to a turbine stage to be machined and an adjacent turbine stage. Some methods include pushing-off of a turbine stage that is adjacent to a turbine stage to be machined. Some methods include securing a machine tool to a turbine stage that is adjacent to a turbine stage to be machined. Some methods include monitoring at least one of a current delivered to a first motor and a voltage applied to the first motor and controlling a second motor in response to the monitoring. Some methods include sequentially machining a turbine stage with cutting tools having increasing lengths and/or diameters.