Nields, Lemack & Frame, LLC
Inner diameter measuring device
An inner diameter measuring device (50) for measuring an inner diameter of a hollow object to be measured, wherein the inner diameter measuring device comprises a circulation unit (1) and a measuring head (2) and is insertable into inside of an object to be measured, wherein the measuring head has a contact measuring unit (27) for measuring the inner diameter by contacting an inner surface of the object to be measured and an advancing/retreating unit (23) for making the contact measuring unit to advance and to retreat in a radial direction, and wherein the circulation unit can rotate the measuring head around a center line (51) of the inner diameter measuring device.
IHI Corporation
G
G01B
inventional
Michiko Norimasa Kouzou Yuuichi Tooru
Baba Taga Hasegawa Miura Fujii