ヘリカルギヤ

also: ヘリカルギア

ヘ

リ

カ

ル

ギ

ヤ

Meanings

1

noun

helical gear

A gear with teeth cut at an angle, used in machinery for smoother and quieter operation than spur gears.

斜はす歯ば歯は車ぐるま
Native Japanese term for helical gear; less common in modern technical contexts than the katakana loanword.
スパーギヤ
Spur gear; teeth are straight and parallel to the axis, unlike the angled teeth of a helical gear.

Loanword from English 'helical gear'.