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Replacing Feed Belt on Butfering Sander3/25/14
Due to a roof leak that landed on my sander (twice) I'm planning to replace the feed belt on a 1985 Butfering 52" widebelt combi-head sander. The original belt and current one are seamless. The price I got just for the replacement belt is $8600--just the feed belt cost. Has anyone ever replaced such a belt with a more conventional seamed belt, and did it affect performance. It's a solid performing machine otherwise. The photo shows the deep-nibbed belt, along with the standing water after the leak. Seamed belts I've seen on other machines are much less thick and meaty.
Dressing or grinding your conveyor belt is a normal part of routine maintenance on a wide belt machine.
Spliced belts often have a thicker seem that will allow very few opportunities to dress it before you are in danger of sanding the splice.
Endless belts are a better option.
You will want to look at the structure connecting the jack screws to the bed. Many machines have provisions that allow pulling the bed without un bolting the jack screws themselves.
If you take pictures under the bed we might be able to help. I strip out both end rollers and anything that will unbolt to lighten the bed before pulling it out.
I haven't had to replace my belt yet but a couple thoughts for what they're worth.
First off, does the belt need to be replaced? Just b/c it got wet I wouldn't think that should destroy a belt? I do think pulling it to clean up the iron underneath would be beneficial, but I might be inclined to just dress the belt and not replace.
If you do have to replace have you gotten other quotes? I thought the quote for my 43" Timesaver belt was high and it was well under $2k! I believe there are several companies out there making feed belts so it may be worth shopping around?
anyway good luck,
Can you elaborate on what you mean by "dressing" the conveyor belt?
How is this done?
Dressing the belt feed means sanding off the surface to expose fresh rubber and also is part of the calibration process since it ensures the feed belt is perfectly aligned with the contact roller (as I understand it anyway). This can only be done on a rubber belt with enough thickness. The raised nibs on my belt are about 1/4-inch high above the backing material.