noun
fixed side; fixed part; stationary side
Technical term used in mechanical, engineering, or manufacturing contexts to refer to the non-moving side or part of an assembly, often contrasted with a movable or rotating side.
この装置では、固定側にセンサーが取り付けられている。
In this device, a sensor is attached to the fixed side.
金型の固定側と可動側の位置を確認してください。
Please check the positions of the fixed side and the movable side of the mold.
固定部 is a more general term for a fixed part or section, while 固定側 emphasizes the side or lateral aspect.
Compound of 固定 (kotei, 'fixation, fixed') and 側 (gawa, 'side'). The reading こていがわ follows standard rendaku voicing of かわ to がわ in compounds.