Title:
HONING TOOL AND METHOD FOR MACHINING A PLURALITY OF COAXIAL BORES
Document Type and Number:
WIPO Patent Application WO/2015/071294
Kind Code:
A1
Abstract:
The present invention relates to a honing tool (31) for machining a plurality of separate bores (17a, 17b, 17c) arranged coaxially one behind the other, with different diameters. The honing tool (31) comprises a plurality of cutting bar groups (3, 4, 5) arranged coaxially one behind the other, wherein a cross-section of one cutting bar group (3, 4, 5), formed by radially extendable cutting bars (18), differs from the cross-section of at least one other cutting bar group (3, 4, 5). The cutting bar groups (3, 4, 5) are designed and arranged in such a way that, during one single pass, a through-bore (17a, 17c) can be machined by at least a first cutting bar group (3, 5) and a stepped bore (17b) can be machined by at least a second cutting bar group (4).
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Inventors:
BAUMGARTNER ERWIN (DE)
RACH MICHAEL (DE)
RACH MICHAEL (DE)
Application Number:
PCT/EP2014/074347
Publication Date:
May 21, 2015
Filing Date:
November 12, 2014
Export Citation:
Assignee:
GEHRING TECHNOLOGIES GMBH (DE)
International Classes:
B24B33/08
Foreign References:
| DE4439381A1 | 1996-05-09 | |||
| DE19634415A1 | 1998-02-19 | |||
| DE19634415A1 | 1998-02-19 | |||
| DE4439381A1 | 1996-05-09 |
Other References:
See also references of EP 3068579A1
Attorney, Agent or Firm:
DREISS Patentanwälte PartG mbB (DE)
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