Keys

Key Points : Key, Definition of keys, all keys Key is a part of mild steel insert among the shaft with hub or boss of pulley to attach these jointly in order to put off relative motion among them. It is at all times insert parallel to axis of shaft. Keys are use as impermanent fastenings and are subjected to significant crushing with shearing stresses. Keyway is a slot or alcove in a shaft and hub of pulley to put up a key.
Types of Keys
1. Sunk keys
2. Saddle keys
3. Tangent keys
4. Round keys
5. Splines
All types of Keys explained in this site