軸への物体の締結方法

　　/ 締り嵌め： interference fit

（２）キーとキー溝：key and keyseat

　　/ キー： key

　　/ キー溝： keyseat

（３）キー溝の種類

　　/ スクウェアエンドキー溝： plain

　　/ 半月キー溝： woodruff

　　/ 丸形キー溝： rounded-end (close)

（４）キーの種類：type of keys

　　/ 沈みキー： sunk key

　　/ 半月キー： woodruff key

　　/ こう配キー： tapere key

　　/ 頭付こう配キー： gob-head taper stock key

（５）セットスクリューの種類：type of set screws

　　/ 六角穴付き止めねじ：hexagon socket set screw

　　/ 止めねじ： set screw

　　/ 平先： flat point

　　/ くぼみ先： cup point

　　/ 丸先： oval point

　　/ とがり先： cone point

　　/ 棒先： half-dog point

/ Interference Fits － Hole is undersized and part is heated to allow it to slide over shaft.
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/ Compressive interface pressure develops when part cools.
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/ Keys are used to transmit torque from a component to the shaft.
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/ Keyseats are classified according to the process by which they are made.
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/ The hub is slightly larger than the shaft and key to allow it to slide over the shaft during assembly.
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/ The set screw is used to take up the slack.
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/ The resulting friction is used to provide resistance to axial motion.
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/ Thread adhesive may be required to ensure that vibration doesn’t cause the set screw to loosen.
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/ The extended head provides a holding method for removing the key by pulling instead of driving it out.
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/ The Woodruff key will have less shear strength than a rectangular or square key.
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参考資料
Source: Lecture Notes of the University Tennessee at Martin: Internet

ORG:2023/08/26