rake60
Well-Known Member
- Joined
- Jul 8, 2007
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A couple weeks ago the maintenance guys at work brought me a worn out traveling key
and a length of 1/2" square 360 brass. They asked me to make a replacement key from
that material. A week later they brought the worn out brass key back to me and asked for
4 more of them.
OK, let's take a look at this application.
The traveling key slides up and down in the keyway of a shaft to keep it from rotating.
It needs to be softer than the shaft's keyway, so it will not cause any damage to it, but
strong enough to not wear out in a week. Is is a sacrificial part that is expected to wear.
After considering several materials, I decided to try 12L14 steel.
It's soft enough to wear without damaging the shaft but I have no idea how long it may last.
Any input would be appreciated!
Rick
and a length of 1/2" square 360 brass. They asked me to make a replacement key from
that material. A week later they brought the worn out brass key back to me and asked for
4 more of them.
OK, let's take a look at this application.
The traveling key slides up and down in the keyway of a shaft to keep it from rotating.
It needs to be softer than the shaft's keyway, so it will not cause any damage to it, but
strong enough to not wear out in a week. Is is a sacrificial part that is expected to wear.
After considering several materials, I decided to try 12L14 steel.
It's soft enough to wear without damaging the shaft but I have no idea how long it may last.
Any input would be appreciated!
Rick