English Dictionary

witness mark

名詞

A scratch or similar mark on each portion of an assembly used to determine the previous position or location of its parts.

日本語の意味

組み立てられた各部品において、以前の部品の位置や向きを判断するために付けられる擦り傷や同様の印。 / 各構成部の旧位置や配置を確定するために設けられる、擦り傷やマーキングといった印。

Before disassembling the gearbox, the technician carefully noted the witness mark on each gear to ensure correct reassembly.

ギアボックスを分解する前に、技術者は正しい再組立てを確実にするために、各ギアの位置確認用の擦り傷を注意深く記録した。

意味（1）

A scratch or similar mark on each portion of an assembly used to determine the previous position or location of its parts.

During the examination, the bearing was reassembled into the actuator body so that the fire witness marks on the actuator surface and the bearing flange matched and the bearing was situated as close as possible to the actuator's housing surface. In this position, it was noted that an additional 30-degree rotation was required in order for the bearing flange to mate against the actuator boss.

witness marks （ plural ）