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18th December 2008, 12:07 AM #1Member
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and another thicknesser question... blades this time
re the blades.. on my sherwood combo 10" jointer / thicknesser i have been running jarrah decking through it.. 105x30, taking about 1mm cut possibly less..
roughly how long should the blades last? i have ran about 200lm ish through it and it sounds like they are dulling a bit (hardly surprising) is it worth running a planer blade hone over the blades just to give them an edge again? i have lots more to go and 1 more set of new blades. dont want to use the new blades yet tho.. trying to save those for a stack of marri i have
any opinions and advice gratefully recieved as per usual!
Thanks
Steve
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18th December 2008 12:07 AM # ADSGoogle Adsense Advertisement
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18th December 2008, 09:05 AM #2
It is tough question to answer. Obviously, you can keep using it. It will still cut but it will have to work harder, it will be nosier and the finish will not be as good. The turth is you really should sharpen them as often as possible.
Some people get them re-sharpened every 6 to 12 months depends how much woodwork they do. I used mine for more then 12 months before I bought a Tormek sharpening system. These days I resharpen them every 2 major projects or 2 to 3 months.
And yes it is worth running a planer blade hone over the blades again. I would clean them first with some steel wool and turps.Visit my website at www.myFineWoodWork.com
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18th December 2008, 09:25 AM #3
I think these blades might be disposable. They will get to a point where they will become very noisy and you might start having feed problems. At that point, the only thing you can do is replace them. You can try touching the edge up with a stone, but in my experience it wont make a huge difference.
Aren't yours double-sided?"I don't practice what I preach because I'm not the kind of person I'm preaching to."
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18th December 2008, 10:09 AM #4Member
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thanks for that i will pick up a hone today if they have them (timbecon are so much cheaper than carbatec at the moment) and clean them before i do anything..
typically how much meterage is one of your projects? im assuming i pushing this to the limit by running constant lengths through it.. and it being oldish jarrah too.. 2.7m at a time... several hundred bits by the time im finished..
like i said i have another set just dont want to use them yet as getting the current set sharpened over xmas will proabably take a bit of time..
They aren't disposable.. the blade are pretty huge and only single sided. it has a 3 blade cutter head. its this one http://www.timbecon.com.au/details/1...aner-8707.aspx
the noise has definitly increased.. but the finish is still nice so maybe a hone will just bring them back that bit they need..
Thanks for the info again guys..
Steve
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18th December 2008, 10:13 AM #5They aren't disposable..
Just swap them out and take the blunt ones to a sharpening place and get them sharpened up then.
Edit: just read your comment re getting the current set sharpened over xmas. Yes fair enough.
Wongo is the man."I don't practice what I preach because I'm not the kind of person I'm preaching to."
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18th December 2008, 10:24 AM #6Member
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sorry about that was given a free set when i bought the machine, so trying to keep them as a 'good' set for finer work. i guess it doesnt make much difference.. but yes the sharpening over xmas was more of an issue for me (as im up against a deadline here too!)
i assume wongo is a forum member?
Thanks
Steve
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18th December 2008, 10:26 AM #7i assume wongo is a forum member?
"I don't practice what I preach because I'm not the kind of person I'm preaching to."
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18th December 2008, 10:29 AM #8Member
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sums it up nicely.. time for me to wake up i think
Ta
Steve
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18th December 2008, 11:16 AM #9
Sorry mate, once again it is a hard question. I cannot give you a number as I don’t measure it every time I make a cut. I think if you have the experience then you can pretty much tell by the noise level and quality of the cut.
Don't take practise as guideline thought. I can sharpen my blades very often because I have the facility.
I am currently working on a Jarrah table. As a very rough estimate, I have dressed 300m of 15cm width boards with new blades. I am going to re-sharpen them again because my next project is made of Blackwood so I need them to be super sharp.
Once again it is probably not the answer you are after but I hope it has helped.Visit my website at www.myFineWoodWork.com
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18th December 2008, 12:13 PM #10Member
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i never want a specific answer so dont worry.. just help from those more experienced than myself (experience = 0 but learning fast!) guidlines are all i can get as every machine and board is different.. but to hear what you have to say will help me enormously.
i guess i still have some life in the blades but will run a hone over them just to make then last that little bit longer.. be nice to have my own sharpening system.. i just cant justify it at the moment..
thanks again for your help guys.. it all helps me learn!
Steve
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18th December 2008, 03:18 PM #11Senior Member
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Steve,
I have never been able to get the factory edge back on my blades, the local sharpeners always leave a rough finish. Luckily you are in the big smoke so you should be spoilt for choice, but it may be worth seeking advice from others about where to get your blades sharpened for the best finish.
Regards,
James
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18th December 2008, 03:25 PM #12Member
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26th December 2008, 11:37 PM #13
Steve,
I take my jointer and thicknesser blades to Carbide Tool Industries in Balcatta. They have a 1.5million $ machine to sharpen the blades. I am very happy with my blades when they come back from a sharpening job. They are not open on Saturdays as they mainly service the trade, but will gladly do business with private individuals.
Regards
Les
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12th January 2009, 05:50 PM #14Member
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Thanks for that pointer there Les, My other half works for a company that deals with carbide tools so they are picking boths sets up (as i have trashed both now) on wednesday and will return them to her when they are done.. how convenient!
will let you know what i think!
Thanks
Steve
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