diva asked in 科學工程學 · 1 decade ago

請問車削螺紋.PITCH DIA.跟MINOR DIA.

請問MINOR DIA.=.433/.438 at small end 312 full threds 是什麼意思?

PITCH DIA.是代表什麼?

MINOR DIA 又是代表什麼?

2 Answers

Rating
  • 官人
    Lv 6
    1 decade ago
    Favorite Answer

    Crest~~牙尖 !

    Root~~牙底!

    Flank~~牙腹角或指角度!

    Pitch~~牙距,牙尖與牙尖的距離!

    Major Dia~~外徑!

    Minor Dia~~內徑!

    Pitch Diameter~~有效牙距!

    threads~~螺牙!

    Source(s): 從事機械零件加工
  • 柏廷
    Lv 5
    1 decade ago

    Pitch Diameter是指節圓直徑

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