isellwood
starting to spend too much on rocks
Member since July 2006
Posts: 119 
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Post by isellwood on Sept 24, 2006 15:32:34 GMT -5
I have a 10" Raytech saw that needs a new blade. It came with a Raytech Green Blazer blade. I don't know what to buy. Notched Rim Blade, Continuous Rim Blade, Sintered Blade. What are the differences of these type of blades?
Pat
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Post by gemkoi on Sept 25, 2006 13:38:08 GMT -5
Ya know, ive used all three types and couldnt really understand much difference. But i do seem to get faster slabbing done on a notch or sintered blade.
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Sabre52
Cave Dweller 
Me and my gal, Rosie
Member since August 2005
Posts: 20,509
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Post by Sabre52 on Sept 25, 2006 15:47:29 GMT -5
Ok let's see if I can explain this correctly. In a "notched rim" blade the diamond is in little ribbed channels welded into the blade and does not present a continuous diamond filled surface, but rather alternates a steel surface with little diamond filled notches. Notched rims should not be confused with segmented rim blades. This is confusing because "segmented rim" blades have notches or voids cut into them while "notched rim" blade simply refers to the diamond being carried in notches welded into the blade. Continuous rim blade and sintered rim blades are the same and have the blade edge sintered ( sort of molded to the blade) and diamond is scattered throughout so it pretty much presents a continuous diamond surface. Usually sintered or continuous rim blades are "segmented" when larger than 14" in diameter. These are the blades that appear to have slots cut into them but the parts presented to the stone are still a continuous sintered rim. Generally notched rim blades have a thinner kerf than similar sized sintered rim blades and apparently the sintered rim blade cut faster as more diamond is brought into contact with the workpiece. There is that confusing enough? *L*.....mel
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isellwood
starting to spend too much on rocks
Member since July 2006
Posts: 119
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Post by isellwood on Sept 25, 2006 16:43:09 GMT -5
Thank you for the explaination.It sounds like I want for my a sintered or continuous blade for my 10" saw.
Is there a better brand? I see MK and I see these Green Blades that might be OK. What is you opion on brands?
Pat
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Sabre52
Cave Dweller
Me and my gal, Rosie
Member since August 2005
Posts: 20,509
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Post by Sabre52 on Sept 25, 2006 18:53:01 GMT -5
Pat: I've tried some low budget sintered blades on my ten inch saw and they cut well but didn't last long. Oh and make sure you get one that says it's for slabbing. Some are for trimming only. I've heard nothing but good about the MK303 Pro continuous rim blades on this site and just ordered one myself for my 20" saw. I've used MK 302's ( Gemking notched rim) and have had real good luck with them so I'd recommend them too. I've heard lots of good about all the Raytech blades too ( I've used the Green blazer and Red Blazer) but haven't seen them around as much lately and am not sure how prices compare. One note: Standard notched rim blades can be repaired at resonable prices but, if you wreck the rim on a sintered rim I've heard they cannot be repaired. This is probably not a big deal on a 10" blade though as probably it's cheaper to get a new blade than to do the repair. On big blades though, this can be important. I have my 20" blade repaired all the time and the $60 or so for repair is way cheaper than $350 for a new blade....mel
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