You can pin a pair of opposite angled helical gears together to make
herringbone gears. That eliminates axial thrust while keeping the benefits of
helical gears. Machining them in one piece is quite a tricky operation.
Herringbone gear - Wikipedia, the free encyclopedia
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| Herringbone gear - Wikipedia, the free encyclopediaA herringbone gear, a
specific type of double helical gear,[1] is a special type of gear that is a
side to side (not face to face) combination of two helical gears ... |
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| View on en.wikipedia.org | Preview by Yahoo |
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From: Chris Albertson <[email protected]>
To: Enhanced Machine Controller (EMC) <[email protected]>
Sent: Wednesday, March 2, 2016 9:39 PM
Subject: Re: [Emc-users] Spur gear transmission
On Wed, Mar 2, 2016 at 12:28 PM, Dave Cole <[email protected]> wrote:
> Spur gear transmissions are inherently noisy. I think that is why
> helical gears exist. However they typically have higher load
> capacity for the same width of gear (as I recall).
>
It is because the teeth are wider because they are at an angle.
But you can't swap in a helix gear without dealing with the end thrust.
You'd need to have a bearing that can handle the axial load.
A timing belt would be even more quiet.
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