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Reply by msinc

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Posted on Powermatic PM1500 Worthiness?

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msinc

567 posts in 1349 days


#1 posted 10-14-2018 02:41 PM

The only way ceramic guides will not do the exact same thing with pitch or sap is if you run them with zero clearance and I don’t think that is the way to do it….my PM1500 is not the only bandsaw I own. I have one with pads and they have to have some clearance, if not they will very quickly make their own. I don’t find this a problem with sap or pitch, it can only rub so much onto the blade before you have zero clearance due to the pitch and it will then start to scrape it off. Bearings will definitely make more noise when the blade gets puked up.
If you are wearing out 5 sets of bearings to one set of pads the bearings are not adjusted properly. I believe it cannot do anything any good to leave it tensioned up for a month or so. I choose not to do that.

Edit: one thing I find good about pads…when they are new and still nice and flat they do “guide” the blade better, but they will quickly wear a taper and have more clearance closer to the cut of the blade {bearings, being round, already have way more “bell” or taper towards the cut}. This taper allows the blade to deflect, with bearings you cant do anything about it…but live with it. At least with pads I keep a fairly new unworn set just for any “special” cuts I might have to make and know I have minimal blade deflection.
One other thing worth mentioning…the PM1500 comes with a heavy chrome plated cylinder “fence” for re-sawing. It works pretty good when doing heavy cuts because you can turn the slab and keep the blade tracking straight for a better cut…the problem is accurately marking an often non-flat or straight slab so you have a good straight line to follow.


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