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How the flat key and the semicircle key are connected

1. Flat key and semicircular key connection
Flat key----The side of the key is the working surface, and the torque is transmitted by pressing the key and the keyway. The flat key is divided into three types--ordinary flat key\\Guide flat key\\Slide key
Thin flat key----for thin-walled parts
There are three kinds of ordinary flat keys, which are used for static connection, and guide keys are used for dynamic connection. They are divided into two types: round head and square head. When the axial movement distance is large, the sliding key is used.
Half-round key----cut from round steel or ground after punching, half-round key: side work, the advantage is that the process is good, and it can automatically adapt to the slope requirements, the disadvantage is that the keyway on the shaft is deep; half-round key: generally in the cone Shaft surface setting semicircle key
2. Advantages and disadvantages of flat key and semi-circular key connection----simple\compact\reliable\easy to assemble and disassemble\low cost----the keyway weakens the shaft strength, the stress is concentrated, the centering is difficult, and the axial direction can be realized Force transmission and fixation


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