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Old 4 Weeks Ago   #1
hockeystewey

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Default need something tougher than UHMW

Hey guys,
need some advice, I made some skid shoes for my snow pusher out of UHMW and they worked great, except I wore them out already. Does anyone have a recommendation of a material I can use to make skid shoes from that will last longer, but u can still machine too?

thanks for the help guys!!
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Old 4 Weeks Ago   #2
SidecarFlip

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Default Re: need something tougher than UHMW

Same stuff John Deere and CNH uses on their combine headers...HDPE sheet. 1/4" thick or better. I myself use it in the skids on my disc mower, beats hardfacing and it renewable.
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Old 4 Weeks Ago   #3
eipo
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Default Re: need something tougher than UHMW

I used 1" HDPE cut and heated/bent to fit. Actually had the pusher built around the idea of using 1" HDPE for the skids.

UHMWPE is pretty tough stuff as it had the added benefit of being self lubricating... What surface are you using it on and are you using down pressure or letting the pusher float?
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Old 4 Weeks Ago   #4
hockeystewey

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Default Re: need something tougher than UHMW

Quote:
Originally Posted by eipo View Post
I used 1" HDPE cut and heated/bent to fit. Actually had the pusher built around the idea of using 1" HDPE for the skids.

UHMWPE is pretty tough stuff as it had the added benefit of being self lubricating... What surface are you using it on and are you using down pressure or letting the pusher float?
its asphalt surface, rough asphalt apparently. I use my snow pusher in float position 99% of the time. I had 1/4" shoes on there and they are disintegrated in prob less than 5 hrs plow time
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Old 4 Weeks Ago   #5
MadMax31
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Default Re: need something tougher than UHMW

My snow pusher has 1/2 inch HDPE skids on it. Look good after 3 uses ( 2 hours ) but I have gravel, probably not as abrasive as rough asphalt. That stuff is vulcanized cheese grater material...
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Old 4 Weeks Ago   #6
Russell King
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Default Re: need something tougher than UHMW

Look at Delrin
It may be tougher


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Old 4 Weeks Ago   #7
200mph
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Default Re: need something tougher than UHMW

What is the surface area in contact with the surface as it sits in float? Some skid shoes may not be parallel to surface and thus have higher contact pressures.

UHMWPE generally has better wear properties on rough surfaces than homopolymer acetal (Delrin). I'd stick with UHMWPE and perhaps alter the contact patch to minimize the contact pressure. ie: Make shoes wider

Maybe wheels would be a better choice.

Any pictures of what the shoes look like?


UHMW = UHMWPE (Ultra High Molecular Weight PolyEthylene)
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Old 4 Weeks Ago   #8
dlsmith

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Default Re: need something tougher than UHMW

Gee, how about steel shoes? Those should last a lot longer than any kind of plastic.
If you're using them on asphalt or concrete, no kind of plastic is going to last very long.
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Old 4 Weeks Ago   #9
Yooper

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Default Re: need something tougher than UHMW

Any thing you use other than wheels will eventually wear out. More contact surface is the answer unless you opt for wheels. And if you go with wheels make sure they have bearings and are not the friction type.
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Old 4 Weeks Ago   #10
D2Cat

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Default Re: need something tougher than UHMW

You mention, "...that will last longer, but u can still machine too?"

Why can't you use stainless steel? Make some pads, any size you want, bend the front edge up at a 30 deg. angle so it doesn't snag on materials. Weld that to a round shaft as req'd, and mount just as you have now. A 1/4" piece of SS will last quite a while. I've made them for 8' truck plow, and they work fine.
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