Title:
SPINDLE DEVICE AND MACHINE TOOL
Document Type and Number:
WIPO Patent Application WO/2017/047551
Kind Code:
A1
Abstract:
A lubricating agent supplied from a lubricating agent supply device (3) is a wax-based lubricating agent (W) containing a lubricating oil and a wax and capable of reversibly changing between a liquid state when the temperature exceeds a liquefaction point and a semi-solid state when the temperature does not exceed the liquefaction point, the liquefaction point being a specific temperature within a temperature range of 25-60℃, and a grease (G) comprising a base oil component that has infiltrative properties and affinity with the wax-type lubricating agent (W) is sealed in the bearing space of a rolling bearing.
Inventors:
INAGAKI YOSHIFUMI (JP)
NAKAMURA SHINYA (JP)
KATSUNO YOSHIAKI (JP)
NAKAMURA SHINYA (JP)
KATSUNO YOSHIAKI (JP)
Application Number:
PCT/JP2016/076841
Publication Date:
March 23, 2017
Filing Date:
September 12, 2016
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
B23B19/02; B23Q11/12; C10M109/00; C10M121/02; C10M159/06; F16C19/16; F16C33/66; F16N7/38; F16N13/22; F16N15/00; C10N20/00; C10N30/00; C10N40/02; C10N50/10
Foreign References:
| JP2002161922A | 2002-06-07 | |||
| JP2006022865A | 2006-01-26 | |||
| JPS54120606A | 1979-09-19 | |||
| JPH05171172A | 1993-07-09 | |||
| JP4051563B2 | 2008-02-27 | |||
| JP2015181633A | 2015-10-22 |
Other References:
See also references of EP 3351325A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
Download PDF: