Title:
スピンドル装置及び工作機械主軸用スピンドル
Document Type and Number:
Japanese Patent JP6627773
Kind Code:
B2
Abstract:
The present invention relates to a spindle device that supplies a prescribed amount of a lubricant agent intermittently or continuously from a lubricant supply device (3) to a rolling bearing (2) via a supply pipe (4), wherein the lubricant includes a lubricating oil and wax and, when a liquefaction point, which is a prescribed temperature within a temperature range of 10-70 °C, is used as a boundary, assumes a liquid state when the liquefaction point is exceeded and assumes a semisolid state when at or below the liquefaction point, and the lubricant is transported from the lubricant supply device (3) in a semisolid state via the supply pipe (3), and is changed to a liquid state before the rolling bearing (2) and caused to flow into the bearing interior.
Inventors:
Shinya Nakamura
Yoshifumi Inagaki
Yoshifumi Inagaki
Application Number:
JP2016556608A
Publication Date:
January 08, 2020
Filing Date:
October 28, 2015
Export Citation:
Assignee:
Nippon Seiko Co., Ltd.
International Classes:
F16C33/66; B23B19/02; B23Q11/12; C10M159/06; F16C19/06; F16N7/08
Domestic Patent References:
| JP1193957A | ||||
| JP55152921A | ||||
| JP11141559A | ||||
| JP326829U | ||||
| JP499500U |
Attorney, Agent or Firm:
Patent business corporation glory patent office