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1. This is due to the stress concentration at the corners of the key way and reduction in the cross-sectional area of the shaft. It, other words the torsional strength of the shaft is reduced.
2. In case the key way is too long and the key is of sliding type, then the angle of twist increased.
So it is actually assumed that the strength of the keyed shaft is 75% of the solid shaft.
What else can I help you with?
How do you fit a key to a shaft and pulley?
Make sure the key is the correct size for the keyway on both the shaft and pulley. Insert the key into the keyway on the shaft. Slide the pulley onto the shaft, ensuring that the key fits snugly into both the keyway on the shaft and the pulley.
What is a keyed shaft?
A keyed shaft or Keyway is method, based on a machined keyway in shaft, to attach something to the shaft and associated bore. A fitted key is inserted into a slot that is machined into the shaft. Although a machined keyway does result in a weaker shaft, it has it's applications. As in a lawn mower engine shaft. Theoretically the key will give way and save the shaft if you hit something with the blade. The negatives of a keyed shaft are that it can be deformed over time and result is a loose drive.
What would hitting a tree stump do to a push lawn mower?
a gas mower i take it, you can bend the shaft, shear the keyway, and twist the shaft,
Why does a lawnmower rebound back while trying to start it?
generally when a pull rope jerks back when pulling it is a sign that you have a sheared flywheel key. remove the screen off the top of the flywheel and look to see if the keyway on the flywheel is offset to the keyway on the shaft
What is the rule of thumb for sizing a key to a shaft?
A common rule of thumb for sizing a key to a shaft is that the key width should be approximately 1/4 of the shaft diameter, while the key height should be about 1/2 of the key width. For example, if the shaft diameter is 1 inch, the key width would be around 0.25 inches, making the key height approximately 0.125 inches. This sizing ensures sufficient strength and grip without compromising the integrity of the shaft or the keyway. Adjustments may be necessary based on specific application requirements and loading conditions.
Installing a pulley and shaft with a square key for a band saw repair. Previous owner deformed the keyway and I'm having trouble getting the pulley back on the shaft with the key installed.?
http://answers.yahoo.com/question/index?qid=20071023141955AAIY1FP
What is the purpose of a keyway in a slab on grade?
The purpose of a keyway is to stop the movement of the foundation.
When was Keyway Air Transport created?
Keyway Air Transport was created in 1986.
What is the shaft size on a Briggs and stratton 28m707 motor?
Unless the type # is off the wall strange, it has a 1" diameter shaft, 1/4" keyway, the end is tapped to thread size 7/16 - 20, and length from mount to tip is 3 and 5/32".
What part of the hair shaft is made of cortical cells?
The cortex layer of the hair shaft is made of cortical cells. It is the middle layer of the hair shaft and provides strength, elasticity, and color to the hair.
Is the stx katana lacrosse shaft better or the maverick Phoenix lacrosse shaft?
The maverick phoenix is the better shaft it has the hights strength to weight ratio and has an amazing grip
Is the keyway on a small block Chevy at 0 degrees?
This is a good question. Yes, the keyway, is accurate. What is not, is the balancer. After 74, the balancer keyway is offset, from the timing mark. Any harmonic balancer you use, look to see where the keyway is, compared to the hash mark on it. Make sure they line up.
