Lately this has been happening quite often. Which brings me to my question. belt starting moving back and forth and almost came off. Question The grit of the belt can make a difference and when I'm trying too 'hard' in one place. It the belt makes contact with these levers it shuts the machine down. Dust Collection, Safety and Plant Operation, Job Opportunities and Woodworking Services, Widebelt sanders use an electric eye to control belt oscillation, and the system can malfunction in peculiar ways. As the belt travels back and forth on the idler drum this electronic eye signals the drum to shift position and bias the belt in the other direction. I can get it tensioned and tracking after some fiddling and then lock that in. How does the sander accomplish tracking? Forum Responses (Cabinetmaking Forum) From contributor L: Sometimes you will find the belts are too thin and the IR shines through. It is approx 10 yrs. Is this just electronic eye just an urban myth? The first belt self destructed in a rather spectacular fashion when Numbnuts,(pictured), over-corrected the belt tracking. My shop runs a 1989 AEM 37” single head wide belt sander. Put your hand in front of the eye and see if it is still failing to respond. You say it has done well for many years so maybe it is time for professional TLC. From contributor L: It seems strange but if you put a piece of tape or black marker over the IR eye it will track properly. I was desperate to get my job done and this allowed me to finish. One of the biggest pain points in the life of a maintenance technician or installer is dealing with conveyor belt tracking problems. Yesterday the 4in. Re: Stationary Belt Sander Tracking Problem 11-11-2017, 09:06 AM You need to adjust the belt when it's running.The adjusment of the screw needed to be done only a bit at the time. It happens with new belts or old belts. Too much typing can decrease the life of the belt. Forum Responses It seems strange but if you put a piece of tape or black marker over the IR eye it will track properly. I have tried a bunch of times but have never yet been able to locate this electronic eye. I will admit I left it on- no ill effect in the past couple years. Making it tight or loose... Now, use the right tool to make it tighter or looser. When a belt isn’t tracking properly on the machine it will slide off of the … October 19, 2014, Re: Replacing Feed Belt on Butfering Sander. Blow it off and try again. (I think that is how it works). As I understand it the machine has an electronic eye. It has a couple of levers at both ends of the drum that act as safety switches. I have a two headed 42 inch Butfering sander. I can't seem to get this new belt to track straight. Bought it new and have had it in service for about 12 years. It will want to run off the sander. I built it more or less to the plans with some minor exceptions. To the original poster: Maybe try a different brand belt, it may help you localize your particular problem and it could also be mechanical issue may be an electrical/air relay going bad. If it goes off the side opposite the eye, leave the belt tensioned and in the same position. This thing has a .07" straight taper on the top roller and has a VERY small sweet spot for belt tracking. Here are a few helpful tips to lookout for and an easy, 3-step process to get your belt running right down the middle. What does it look like? Topic tags/keywords: aem timesaver wide belt sander optical sensor belt tracking Hello All, sorry for the long explanation, but we’ve tried a LOT of things to get this to work. How does the sander accomplish tracking? Improper Belt Tracking. I've forgotten who it was told me that the tracking sensor couldn't pick that up, and to paint the inside of the belt white so the sensor could pick it … It's been a great running machine all this while. Buy high quality belts and the problem may go away. The Belt and Disc Sander, model 113.225801 that I bought has an issue with tracking the sanding belt. I'm using cloth backed sanding belts that are dark brown. old. If you are not really a mechanically or electrically minded person it might be best to call in some service help. I used 5/8" shafts since I had it in hand, my rollers are slightly larger diameter by a few mm or so, I also silicone coated both rollers instead of using bicycle inner tube over one. I built the Woodgears belt sander and and it works pretty well except I'm having problems with the tracking of the belt. How to Fix Belt Sander Tracking Problem: Take the belt sander, and you’ll see the belt sander tracking knob on the side of the roller. Same idea as Contributor L used but different solution .
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