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Conveyor issue supermax 25x2

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Forum topic by Cmonnier posted 08-10-2017 04:04 AM 429 views 0 times favorited 9 replies Add to Favorites Watch
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Cmonnier

5 posts in 125 days


08-10-2017 04:04 AM

I recently purchased a new 25×2 drum sander from supermax and can’t seem to get the conveyor belt to function correctly. When passing a large heavy piece through it gets stuck because the conveyor motor stops when the wood hits the drum or it runs intermittently. I tried everything the Manual said to do and even talked with tech support. If I press down on the belt and help the piece through it goes with no burns or anything so I’m pretty sure I’m not taking too big of a cut.

So they send me a new motor and circuit board which I installed tonight and have the same problem. The tech guys said I shouldn’t be able to put my hands on the belt and stop the motor which I can. It will stop but keep humming.

This is beyond frustrating I bought this at the end of May only to find out it’s on back order for a month. Then the machine arrives and the first one I received had something wrong with the rear adjustment knob. As you start lowering the rear drum the bolt would lock up so I wasn’t able to even get the rear drum to be level with the first drum it was still a few mm higher. So they swapped it for this one, and now I have this issue.

Anyone ever have a similar problem with a drum sander ? I’m about to the point to just return it and buy another brand….


9 replies so far

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Loren

9614 posts in 3483 days


#1 posted 08-10-2017 04:13 AM

Check the linkage between the motor and
the drive roller shaft to make sure it’s
not loose.

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Cmonnier

5 posts in 125 days


#2 posted 08-10-2017 04:18 AM

I did, that was the first thing they had me check was to make sure the flat spots were lined up with the set screws.

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mahdee

3828 posts in 1603 days


#3 posted 08-10-2017 11:56 AM

I have a similar problem with my 19-38 I purchased last Fall. The conveyor belt. It has the mind of its own and has ruined several boards. Now, I do quarter turn passes and even with that I get 3+ inches of snips at each end. Small items like coasters get totally ruined. Very frustrating to purchase a $1700 equipment and get this kind of results. One thing I do when the conveyor belt start moving erratically, is to turn it off and back on again. This has been another disappointing purchase for me.

-- earthartandfoods.com

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ClammyBallz

424 posts in 972 days


#4 posted 08-10-2017 06:46 PM

I had an issue with the circuit board burning out and the variable speed stopped working. They sent a new board and it burned out month later. They sent a new motor and board which turned out to be a leeson motor this time instead of an import. So far it’s been working. However, I do have an issue with the DRO dropping the height setting sometimes when the motor is running.

Have you tried loosening the tension on the belt and seeing of you can stop the motor? Maybe one of the rollers is binding.

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Cmonnier

5 posts in 125 days


#5 posted 08-10-2017 06:57 PM

What do you mean binding ? If I loosen the tension then the belt starts slipping

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Cmonnier

5 posts in 125 days


#6 posted 09-04-2017 04:21 PM

So after a month of messing around I saw on the website this sander should have a conveyor motor with 100 in lbs of torque. Looking at my motor and the replacement they sent me, they only had 50. Somehow, the wrong motor was installed on the last shipment of machines. So they overnights me the correct motor, and I got them to throw me a few boxes of sand paper for the inconvenience. Up and running now !

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SweetTea

242 posts in 495 days


#7 posted 09-05-2017 11:35 AM

I purchased a SuperMax 25×2 in June. I have yet to power it on and run any stock through it. I thought that these guys had a stellar rep, that is one of the reasons that I went with the 25×2 and not the PowerMatic PM-2244. The other reason was that I wanted the sander with the most horse power. The 25×2 has 5HP and the PM-2244 only has 1.75HP.

How do you know what conveyor motor your machine has and what is the correct motor for the conveyor? I need to check mine.

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Cmonnier

5 posts in 125 days


#8 posted 09-05-2017 01:41 PM

The conveyor motor has a tag on it that says how much torque it has, compare to that site. If it’s a Baldor you probably have the wrong motor

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splintergroup

1696 posts in 1058 days


#9 posted 09-06-2017 03:16 PM

I had the “pulsing” problem with the conveyor on my PM 16/32. The belt speed control is basically a light dimmer. Replaced the triac and all is well again. Marginal designs are always a disappointment, but diagnosing factory snafus are nearly impossible. I’m glad that worked out for you!

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