EP 2385890 A1 20111116 - MACHINE TOOL HAVING A SPINDLE DRIVEN BY A DRIVE APPARATUS
Title (en)
MACHINE TOOL HAVING A SPINDLE DRIVEN BY A DRIVE APPARATUS
Title (de)
WERKZEUGGERÄT MIT EINER DURCH EINE ANTRIEBSVORRICHTUNG ANGETRIEBENEN SPINDEL
Title (fr)
MACHINE-OUTIL MUNIE D'UNE BROCHE ENTRAÎNÉE PAR UN DISPOSITIF D'ENTRAÎNEMENT
Publication
Application
Priority
- EP 2009065800 W 20091125
- DE 102009000065 A 20090108
Abstract (en)
[origin: WO2010079002A1] The invention is based on a machine tool (10) having a spindle (16) which is driven by a drive apparatus (12) and which, at the free end thereof, has a receiving device (22, 26) for a tool or a tool holder. In the drive train of the drive apparatus (12) a drive part (28) is provided, which, by way of drivers (50), transmits a torque having a defined play in the direction of rotation of a driven part (40) rotationally fixedly joined to the spindle (16), while a torque acting from the spindle (16) in the direction of the drive apparatus (12) and exceeding a torque on the drive side is supported by clamping surfaces (46) on the periphery of the driven part (40), by clamping elements (48) and by a locking ring (32) having a hollow cylindrical surface (38) on the casing of the machine tool (10). It is proposed that the driven part be a driver profile (40) having two or more axially parallel planes, of which a first part acts as clamping surfaces (46) and a second part acts as driver surfaces (44), which co-operate with the drivers (50) of the drive part (28).
IPC 8 full level
B25B 21/00 (2006.01); B25F 5/00 (2006.01)
CPC (source: EP US)
B25B 21/00 (2013.01 - EP US); B25F 5/001 (2013.01 - EP US)
Citation (search report)
See references of WO 2010079002A1
Designated contracting state (EPC)
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 SE SI SK SM TR
DOCDB simple family (publication)
WO 2010079002 A1 20100715; CN 102271869 A 20111207; CN 102271869 B 20150729; DE 102009000065 A1 20100715; EP 2385890 A1 20111116; EP 2385890 B1 20141119; US 2012006575 A1 20120112; US 9108306 B2 20150818
DOCDB simple family (application)
EP 2009065800 W 20091125; CN 200980154191 A 20091125; DE 102009000065 A 20090108; EP 09764771 A 20091125; US 200913143719 A 20091125