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平歯車 (hirahaguruma) Japanese meaning: spur gear | Kotomora

平ひら歯は車ぐるま

ひ

ら

は

ぐ

る

ま

Meanings

1

spur gear

A gear with straight teeth parallel to the axis, used to transmit motion between parallel shafts. Technical term in mechanical engineering.

平ひら歯は車ぐるまは、平へい行こうな軸じくの間あいだで動どう力りょくを伝つたえるために使

つか

わ

れる

。

Spur gears are used to transmit power between parallel shafts.

Kanji

平even, flat, peace
歯tooth, cog
車car

Related words

はすば歯は車ぐるま
Helical gear; teeth are cut at an angle, providing smoother and quieter operation than spur gears.
かさ歯は車ぐるま
Bevel gear; used to transmit motion between intersecting shafts, unlike spur gears which work with parallel shafts.

Built from

平ひら+歯は車ぐるま

Etymology

Compound of 平 (hira, 'flat') + 歯車 (haguruma, 'gear'), referring to the flat, straight teeth of this gear type.