South Bens Shaper Bull Gear Rotation

rwilliams · Aug 4, 2020

Hi,

My searches have been unsuccessful.

Can anyone tell me the direction the shaper's bull gear should turn looking at it from the access door?

Thanks,
Bob

Technical Ted · Aug 4, 2020

I don't have a SB shaper, but with my Rhodes, the ram moves quicker(travels faster) on the return stroke, because of the leverage of the linkage connecting the bull gear/pinion gear, etc. So, for the same amount of input shaft rotation, the ram will travel faster turning the input shaft in one direction vs the other.

So, set your motor/belting to rotate with the most mechanical advantage, which is slower movement in the forward, cutting stroke.

Ted

carlherrnstein · Aug 4, 2020

Simplest way to put it is, the top side of the gear needs to go toward the table.

rwilliams · Aug 5, 2020

Ted, thanks for the information to help figure it out, it worked.

Carl?, thanks for the "Simplest way".

Bob

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South Bens Shaper Bull Gear Rotation

rwilliams

Aluminum

Technical Ted

Cast Iron

carlherrnstein

Aluminum

rwilliams

Aluminum

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