Title:
METHOD FOR MACHINING A CASING OF AN AIRCRAFT TURBOSHAFT ENGINE AND SCRAPER TOOL FOR IMPLEMENTING SAID METHOD
Document Type and Number:
WIPO Patent Application WO/2012/059670
Kind Code:
A3
Abstract:
The invention relates to a method for machining a casing (1) of an aircraft turboshaft engine, the casing (1) comprising an upstream edge and a downstream edge, wherein the method comprises the following steps: a step of positioning the casing (1) in a chassis; a step of rotating the chassis at a rotational milling speed; a step of milling the downstream edge and/or upstream edge of the casing (1) by means of a milling device, so as to correct the axial length of the casing (1); and a step of deburring said casing edge (1) so as to remove at least one burr formed in the vicinity of said edge as a result of the milling step, the milling device comprising a scraper tool which turn-machines the burr as the casing is rotated (1).
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Inventors:
ENGRAND ERIC DANY ROBERT JEAN (FR)
Application Number:
PCT/FR2011/052530
Publication Date:
July 05, 2012
Filing Date:
October 28, 2011
Export Citation:
Assignee:
SNECMA (FR)
ENGRAND ERIC DANY ROBERT JEAN (FR)
ENGRAND ERIC DANY ROBERT JEAN (FR)
International Classes:
B23B29/14; B23B31/08
Domestic Patent References:
| WO2006119548A1 | 2006-11-16 |
Foreign References:
| FR2702981A1 | 1994-09-30 | |||
| EP0818264A1 | 1998-01-14 | |||
| EP0849021A1 | 1998-06-24 | |||
| DE473181C | 1929-03-12 | |||
| US7707705B2 | 2010-05-04 |
Attorney, Agent or Firm:
GEVERS FRANCE et al. (Toulouse, FR)
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