作用角さよかく

noun

working angle; angle of action

General mechanical engineering term for the angle over which a mechanism or force operates.

• このカムの作用さよ角かくは120度どに設せっ計けいされている。

  The working angle of this cam is designed to be 120 degrees.

noun

camshaft duration

Specifically in engine camshaft terminology, the crankshaft degrees during which a valve is open.

• ハイカムは作用さよ角かくが大おおきく、高こう回かい転てん域いきでパワーが出でる。

  A high-performance camshaft has a large duration and produces power at high RPM.