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Thicknesser help

M

mailee

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I have just fitted a set of blades to my thicknesser (Axminster TH 410) and I am now getting snipe on both ends of the timber? I used a pair of magnetic setting gauges to set them having taken the setting off the old ones. Now does this mean the blades are set too high or too low?
 
Too high (too far above the cutterhead cylinder surface). The infeed and outfeed rollers should be about 1/32"/0.8mm below the cutting arc of the knives. If the knife arc is too low, your rollers won't hold the wood down well enough.

Conceivably you could lower the infeed and outfeed rollers, but I have no idea whether that would be harder to do on your machine than resetting the knives.

Kirk
 
Great answer Kirk! That helps with a little issue I have.

Thanks.
 
Thanks for that Kirk. I went into the workshop this morning ready to re set the blades but after feeding a piece of timber through it seems to be fine now?? I fed a few more pieces through all with no snipe? All I can think is that the timber that got the snipe was very thin so maybe that had something to do with it. :?
 
Thanks for that Kirk. I went into the workshop this morning ready to re set the blades but after feeding a piece of timber through it seems to be fine now?? I fed a few more pieces through all with no snipe? All I can think is that the timber that got the snipe was very thin so maybe that had something to do with it. :?
 
That's possible too. A very thin board will sag coming off the the thicknesser. If it only has one hold down point (the outfeed roller, for example), the back end will raise up and into the cutterhead, giving you the snipe. It would be the reverse going into the machine, of course.

You may want to check your pressure bar. It's quite possible that it is set too high, allowing the same situation in some circumstances.

Kirk
 
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