| Writer：鉛筆 |
Update time：2010/8/14 下午 04:21:01 |
滾牙徑的速算法提供一個滾牙徑(還沒滾牙的直徑)的速算法供大家分享
D=公稱直徑尺寸 P=牙距 d=滾牙徑
X=0.05~0.3依螺紋密合度(M2~M12一般約0.1)
(標準牙峰60度角常數0.6495)
d=D-X-(P*0.6495)
例: M6-P1.0滾牙徑=6-0.1-0.6495=5.25mm
M20-P1.5 =20-0.2-(1.5*0.6495)=18.82mm
M5-P0.5 =5-0.05-(0.5*0.6495)=4.62mm
M1.2-P0.25 =1.2-0.05-(0.25*0.6495)=0.987mm
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| Writer：過器業務 |
Update time：2011/9/21 上午 11:38:56 |
讓專業的來輾芽膨脹係數為0.6
這樣算可能會比較快
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| Writer：hHl1L7Bbkz |
Update time：2015/10/26 下午 04:14:57 |
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