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Worn Jensen feed rollers.


s o c
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Hi .

Feed rollers on my 141 chipper are now quite blunt.

they’ve been sharpened previously, once since I’ve owned it.

I was thinking  of talking both rollers to an engineering works and having about.5 mm to 1mm surface ground off each face.

Has anybody tried this?

I assume new rollers of this size will be expensive .

 Thanks 

 

 

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8 minutes ago, s o c said:

Hi .

Feed rollers on my 141 chipper are now quite blunt.

they’ve been sharpened previously, once since I’ve owned it.

I was thinking  of talking both rollers to an engineering works and having about.5 mm to 1mm surface ground off each face.

Has anybody tried this?

I assume new rollers of this size will be expensive .

 Thanks 

 

 

Problem is you change the pull in once you make the rollers smaller.

You can touch them up yourself very effectively with a flappy disc, in situ.

 

 

Just don’t reduce the size, tickle each side to improve the grab.

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Thanks Mick.

I think they’ve been touched up a good few times and the surfaces are all a bit rounded so it’s hard to get a decent edge.

I can turn up the roller speed if I need to and I might need to grind a bit off the top roller blocks to keep the gap between the rollers the same.

 

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12 hours ago, s o c said:

Probably what should do alright (I’m just a bit mean)

im guessing they’ll be expensive.

 

Not too bad from memory.

 

It is possible to sometimes press the shaft out of the rollers but you can never guarantee it and its just not worth the potential hassel.I had 100 tonn on one roller stub once at a shipbuilders workshop trying to press it out.We ended up boring out the shaft and washing the rest out with the Oxy. 

 

Getting the flats milled true on the back face of the roller teeth would probably be more expensive than buying new rollers and shafts.

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