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Thread: Hard Hard Wood
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29th May 2006, 11:20 PM #1
Hard Hard Wood
Hi recently for my birthday i received a set of "Hamlet Craft Tools, Shefield England" (HSS) and what my friends thought was a great joke a block of wood. i decided to turn the joke back on them and make a bowl out of the wood and give it back to them. It has been cut from the bottom of an old Power pole (not standing). When i tried to face the cut edge the wood is so hard that the edge of my old chisels (not HSS) turned over. I finally faced the front with the Skew chisel but had to sharpen it every 10 mm of cutting. No chips have come off at all it is only saw dust and the chisel gets so hot it goes blue. The parting chisel turned blue as soon as it went near it. It is red in colour at the centre but pale nearer the edge. I have turned a fair bit of red gum but never seen wood so hard. What do i do apart from burn it.
Regards
Frustrated learner
PS the new chisels are still in the "Pool Room" I havent had the heart to get them dirty yet.
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29th May 2006, 11:21 PM #2
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29th May 2006, 11:38 PM #3
make some tooloing that uses carbide tips
Make up a jig that takes a router in the lathe.
use an abrasive wheel, (how ? thats your problem)
AHHHH:eek: thaught comes to mind...... The detergent treatment as discussed a while ago. soak the thing in diswashing detergent concentrate.
It wont make it softer but it might make it easier to cut as the detergent acts as a lubricant.
cheersAny thing with sharp teeth eats meat.
Most powertools have sharp teeth.
People are made of meat.
Abrasives can be just as dangerous as a blade.....and 10 times more painfull.
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30th May 2006, 10:21 AM #4
Hi All
Australian power poles are actually the hardest timbers in the world for this use and the same goes for our old railway sleepers. Part of what I do is specify 2 stroke powered auger bits for drilling in the cross arm bolts and climbing spikes.
These days we use poles with CCA treatment - be careful your friends haven't given you green CCA timber, it is poisonous. The timber in the old poles which included Iron Bark, Grey Gum, White Mahogany, Grey Box and some Black Box, once they have aged 10 to 20 years are so hard it is difficult to produce augers which will maintain an edge for more than a few holes.
The bits we buy are made by Greene Lee in the US and we have had to send samples of old poles to the US just so they could develop the correct cutting angles and flute twist. Over there, their hardwood is no better than our radiata pine which IMO is only a "soft" wood.
As a timber for working into a bowl or similar, I don't think it would be worthwhile. Pole timbers are very hard but also very brittle in thin sections and I would think they are likely to splinter or shatter. I may be wrong but I think your barking up the wrong tree.______________
Mark
They only call it a rort if they're not in on it
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30th May 2006, 10:33 AM #5
Mark
It sounds as if Calm would be better off trying to turn a section of an Adelaide stobie pole!!Cheers
Jeremy
If it were done when 'tis done, then 'twere well it were done quickly
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30th May 2006, 12:08 PM #6
Hi Calm, what they say about the wood splitting is spot on, I get power poles from a friend who works at a elec company, and all it is good for is to chop up into firewood.
Why dont you go and buy some really nice wood and make a bowl and tell your friends it is from the pole they gave you.
regards Thommo
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30th May 2006, 12:21 PM #7Originally Posted by jmk89______________
Mark
They only call it a rort if they're not in on it
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30th May 2006, 02:07 PM #8
You could shape it with a large grinder, give it a coat of laquer & give it back as a door stop.
Cut it in half down the middle, give it a coat of laquer and give it back as book ends
Any thing with sharp teeth eats meat.
Most powertools have sharp teeth.
People are made of meat.
Abrasives can be just as dangerous as a blade.....and 10 times more painfull.
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30th May 2006, 04:57 PM #9
Bloody hard hard wood
Thanks heaps for the comments, advice etc.
I guess that this block will join the decrative pile of firewood that has exited the lathe lately.
ooroo
CALM
That stihl add on tele with the golfer is very understandable.
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