Log splitter build

[rswyan]

8x28 is plenty heavy. I believe the op is using a 6x25....same as my splitter

How do you think they compare in terms of rigidity ?

I know my flanges are slightly thicker ... but the web is thinner and spans a greater distance ...

 

[LD1]

Web thickness adds little to a beams rigidity. The moment of inertia (usually listed as I4 in a beam spec chart) is a direct indication of its stiffness.

Double the i4, and you double the stiffness. IE: same span, same load, a beam with double the i4 will deflect half as much.

I'll see if I can look up some specs

 

[LD1]

8x28 beam has an i4 of 98. The 6x25 is 53.4.

Also worth noting....that the height of the cylinder mount, and wedge play a big role. That 20t cylinder....not a lot of that force is trying to deflect that beam. The taller the wedge, and taller the cylinder anchor...the more leverage it has to bend a beam, and more leverage it has over the weld.

 

[deanwerden]

 

[LD1]

Just curious
...which end is gonna get the tongue/hitch

 

[4570Man]

It would only make sense to put the hitch on the opposite end as the wedge. It would make moving it around a real challenge with the hitch and wedge on the same end.

 

[CADplans]

The possibility of failure of that cylinder support has NOTHING to do with the static strength of the support/beam joint,,,

The failure mode will be fatigue failure.

I built a splitter, and a friend at work nagged me into selling it to him.
Well 3 years later, the buyer managed to push the ENTIRE end off of the splitter (it was a moving wedge design)

The guy was using it as a fund raiser for a church. They were only splitting leftover knots from logging operations.
ALL of the men members were volunteering time to split wood, which they sold.
The guy said almost EVERY stroke was full power, tearing through the knots.

He figured they split at least 300 cords like this,, free wood was free wood.

The reason I heard about it was he asked if the repairs were covered under warranty!!:laughing:

Repeated cycling can break anything,,, usually a weld joint will fail first,, the material is a different hardness.

 

[TemporaryKubotaOwnerMark]

I have never seen a Huskee with an anchor surface welded to the top flange.

Well, I dunno what I was thinking. It is NOT flat welded.

 

[rswyan]

It would only make sense to put the hitch on the opposite end as the wedge. It would make moving it around a real challenge with the hitch and wedge on the same end.

That's why ya use a removable drawbar ... and put a receiver on both ends ...

 

[rswyan]

dean,

Lookin good ... :thumbsup: