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Thread: Thicknesser slowing down
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3rd September 2010, 06:56 PM #1GOLD MEMBER
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Thicknesser slowing down
Evening all,
I was just running some maple through my Deltra 12" benchtop thicknesser before and it really struggled (slowed down/had to push it through)
When the stock eventually came out, the face had little marks throughout (not sure how to describe it).
What could this be? Could the blades need resharpening?
When I bought the thicknesser off another forum member he reversed the blades so they should be quite sharp still (approx 5 months ago)
Andy
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3rd September 2010 06:56 PM # ADSGoogle Adsense Advertisement
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3rd September 2010, 07:04 PM #2
Before you race out and get the blade resharpened (which they may well need)
Check for blockages in extraction chute, the marks if they are like indentations, textured surface as it were,
means the shavings are not being cleared after they have been cut and are being pressed back
into the surface of the timber which has just been planned, by the out-feed rollers.
Cheers
SteveDiscover your Passion and Patience follows.
www.fineboxes.com.au
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3rd September 2010, 08:04 PM #3
Pix would help. Different marks generally indicate different problems.
What Steve said above is one possibility, if they're fairly random.
If the marks are full-width, leaving the surface with a rippled effect (sorta like corrugated iron) then that's most likely from pushing the wood thru too fast. When it's struggling, only give enough "assist" so that the wood isn't stopped in the one spot. let the thicknesser cut at it's own rate... even if that is at a snail's pace.
If it's accompanied by a lot of tear-out, then it's more likely to be blunt blades.
A narrow "band" of repetitive marks tends to indicate something stuck on a feed roller.
Etc, etc.
- Andy Mc
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3rd September 2010, 08:54 PM #4GOLD MEMBER
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Thanks for the replies,
I'll take some pics of the markings. It's still a relatively smooth finish so maybe it's the dust chute blockage as I did have issued the other week with my dusty (bag too full and a blockage)
Andy
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3rd September 2010, 08:58 PM #5
Yep, I'd agree with the blockage theory. I hate it when that happens and its your last cut to get to thickness.
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3rd September 2010, 10:28 PM #6GOLD MEMBER
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If it is not a blockage, you might also check that the table does not need waxing. Have had my thicknesser come almost to a standstill and require some coaxing to get the timber through only to find that a waxing was required.
Bob
"If a man is after money, he's money mad; if he keeps it, he's a capitalist; if he spends it, he's a playboy; if he doesn't get it, he's a never-do-well; if he doesn't try to get it, he lacks ambition. If he gets it without working for it; he's a parasite; and if he accumulates it after a life time of hard work, people call him a fool who never got anything out of life."
- Vic Oliver
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3rd September 2010, 10:34 PM #7China
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Another possibility if it is abelt drive belt could be slipping, although you would normaly smell burnt rubber
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5th September 2010, 12:16 AM #8Senior Member
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5th September 2010, 01:23 AM #9.
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5th September 2010, 11:34 AM #10GOLD MEMBER
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5th September 2010, 12:41 PM #11.
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5th September 2010, 12:41 PM #12GOLD MEMBER
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Problem solved: table needed waxing
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5th September 2010, 01:00 PM #13
I've never noticed that the little bench tops don't have rollers in the bed. Ah yeh wax would help
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