Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Kentaro Yamamoto"'
Publikováno v:
Journal of the Japan Society of Precision Engineering. 41:113-117
File hardness test is popularly used in workshops because of its simplicity and quickness in practical operation, and of its unnecessity of any hardness testing instruments. It is popularly believed that the differential limen at the test is about ±
Publikováno v:
Journal of the Japan Society of Precision Engineering. 51:861-865
The permeability test is standardized by JIS P 8117 Testing Method for Air Permeability of Paper and Paperboard, in which the permeability is provided by Gurley's permeability TG in second, which is the elapsed time necessary for air of definite volu
Publikováno v:
Journal of the Japan Society of Precision Engineering. 50:1273-1277
Autor:
Sohei Miyata, Shinji Ohi, Masaji Sawabe, Hiromi Suyama, Hidehiko Takeyama, Sunao Sato, Makoto Hirai, Kentaro Yamamoto, Nobuo Sato
Publikováno v:
Journal of the Japan Society of Precision Engineering. 41:1072-1077
Autor:
Kentaro Yamamoto
Publikováno v:
Journal of the Japan Society of Precision Engineering. 25:384-389
The direction of a normal of a small plane surface, such as the ones of Vickers Diamond Pyramid, cannot be determined accurately by autocollimation, for the diffraction effect appears because of the apparent minuteness of the diameter of the collimat
Autor:
Kentaro YAMAMOTO
Publikováno v:
Journal of the Japan Society of Precision Engineering. 25:21-27
Autor:
Kentaro Yamamoto
Publikováno v:
Journal of the Japan Society of Precision Engineering. 24:283-287
A micro-interferometer of Linnik type with spherical reference mirror of the radius of 0.2 mm was designed in our laboratory for inspecting the form of the spherical tip of diamond indentors used in Rockwell hardness testing (Fig. 2). The optical sys