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How critical dimension equal coupling

time2011/09/21

A key is a tool, a part of the mechanical connection, such as gear shaft. The most common type is a flat key. However, there are different types of keys. They are parallel to the key can be square or rectangular, conical, and GIB head keys, key pins and Woodruff key. A shaft equal coupling is used to connect the other end of the device.
To determine the size of a equal coupling of key, you have to do some math. Information needed to work equation shaft diameter, torque and power.
You can also use a table to determine on the basis of the size of the diameter of the shaft  equal coupling key.
Explain
Determine the axis of the key forces. This is equivalent to twice the torque divided by the diameter of the shaft.
Divided by the width of the critical equal coupling, the key length to determine the shear strength.
The key length should be equal to 2 times the critical time gap torque shear stress times the width of the diameter of the shaft.