Title:
HONING METHOD AND CYLINDER BORE
Document Type and Number:
Japanese Patent JP3042275
Kind Code:
B2
Abstract:
PURPOSE: To improve the oil consumption, seizure and the initial scuffing of a piston.
CONSTITUTION: The inclination of cross hatches, formed on the inner surface of a cylinder bore 1 by the locus of a honing wheel at the time of the honing wheel moving vertically while rotating, in relation to the face orthogonal to the center axis of a cylinder bore 1 is set to approximately 30° so as to be easy in an area of length α. from the upper end of the cylinder bore 1, where a piston ring does not slide, and set to 45° in the sliding area of the piston ring 45.
Inventors:
Masahiko Iizumi
Application Number:
JP22410893A
Publication Date:
May 15, 2000
Filing Date:
September 09, 1993
Export Citation:
Assignee:
Nissan Motor Co., Ltd
International Classes:
B24B33/02; F02F1/00; (IPC1-7): B24B33/02; F02F1/00
Domestic Patent References:
| JP4189465A | ||||
| JP667836U | ||||
| JP582343U |
Attorney, Agent or Firm:
Hidekazu Miyoshi (8 outside)