Global Patent Index - EP 3148744 A1

EP 3148744 A1 20170405 - FINE MACHINING METHOD AND MACHINE TOOL UNIT

Title (en)

FINE MACHINING METHOD AND MACHINE TOOL UNIT

Title (de)

VERFAHREN ZUM FEINBEARBEITEN UND WERKZEUGMASCHINENEINHEIT

Title (fr)

PROCÉDÉ D'USINAGE DE PRÉCISION ET UNITÉ MACHINE-OUTIL

Publication

EP 3148744 A1 20170405 (DE)

Application

EP 15726088 A 20150526

Priority

  • DE 102014107461 A 20140527
  • EP 2015061578 W 20150526

Abstract (en)

[origin: WO2015181160A1] The invention relates to a method for fine-machining a bore of a plurality of workpieces and a machine tool unit. According to said method, the workpieces are subjected to fine-hole drilling and precision finishing, preferably roller-burnishing or smoothing, a post-processing measurement is carried out and, depending on said measurement, the fine-hole drilling tool is adjusted.

IPC 8 full level

B24B 33/02 (2006.01); B24B 33/06 (2006.01); B24B 33/08 (2006.01)

CPC (source: CN EP US)

B23B 41/16 (2013.01 - US); B23Q 17/2471 (2013.01 - US); B24B 33/02 (2013.01 - CN EP US); B24B 33/06 (2013.01 - CN EP US); B24B 33/087 (2013.01 - CN EP US); B24B 39/023 (2013.01 - EP US); B23B 2260/004 (2013.01 - US)

Citation (search report)

See references of WO 2015181160A1

Citation (examination)

JP H09254011 A 19970930 - NISSAN MOTOR

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2015181160 A1 20151203; CN 106457506 A 20170222; EP 3148744 A1 20170405; US 2017182630 A1 20170629

DOCDB simple family (application)

EP 2015061578 W 20150526; CN 201580028143 A 20150526; EP 15726088 A 20150526; US 201515313891 A 20150526