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Weld Repair of a Dust Collector Impeller

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Forum topic by fredringwald posted 08-09-2021 10:07 AM 777 views 0 times favorited 6 replies Add to Favorites Watch
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fredringwald

1 post in 327 days


08-09-2021 10:07 AM

Topic tags/keywords: impeller weld repair dust collector

Hello,

I just purchased a Delta 50-904 dust collector with a cracked impeller. The impeller is about 15 pounds of cast aluminum with straight fins that are about 5 inches long. I am very concerned that a weld repair might not be adequate and that trying to spin the repaired impeller might cause it to come apart and create a very real safety hazard in my shop. What do you think? It would also cost me about $600 to get this impeller repaired and re-balanced.

Alternatively, I would be very happy to buy another impeller to replace it. However, I am not finding success in locating an affordable replacement. I found three sources for identical OEM replacements, with prices of $1240, $2500, and $3600, respectively.

The 7.5 hp motor shaft is 1 1/8 inches in diameter, and the impeller is 16 inches in diameter. I would be content with a smaller impeller if I could mount it to this motor.

i welcome any recommendations!

Thank you!

Fred Ringwald
New Haven, NY


6 replies so far

View Fred Hargis's profile

Fred Hargis

7505 posts in 3990 days


#1 posted 08-09-2021 10:30 AM

Don’t know if this will help, but you might call Clearvue and see if they will sell you their 16” (steel) impeller. You may still have to get some machine shop work done to fit that shaft. That would probably be true of anything else you find, tho’.

-- Our village hasn't lost it's idiot, he was elected to congress.

View corelz125's profile

corelz125

5554 posts in 2473 days


#2 posted 08-09-2021 01:41 PM

Is it a small crack or one fin broke off completely? The weld will hold if it’s done right.

View CaptainKlutz's profile

CaptainKlutz

5771 posts in 2991 days


#3 posted 08-09-2021 02:28 PM

Welcome to LumberJocks!

Speaking of Clearvue: Grizzly has 16” impeller on the G0442 dust collector. It is suggested in forums as an alternate for DIY Clearvue DC. Grizzly parts list P0442014 for $252?

Look at the Cincinnati Fan (CF) catalog for PB (alum) and PBS (steel) blowers. They list the size of impellers in catalog, and show several different ~16” fans. CF produces many different types of blowers/impellers; and most items are made to order. So don’t expect to find impeller sitting on shelf waiting for your call. And yes, CF is old school; it is best to call them on phone.

Best Luck.

-- If it wasn't for bad luck, I wouldn't have no luck at all, Doom, despair, agony on me… - Albert King - Born Under a Bad Sign released 1967

View AlanWS's profile

AlanWS

222 posts in 5055 days


#4 posted 10-24-2021 11:24 PM

I don’t know about the welding, but you want to make sure an impeller is strong. If it’s 16” in diameter and spinning at 3600RPM, that means the outside edge is going 170 MPH.

-- Alan in Wisconsin

View Fred Hargis's profile

Fred Hargis

7505 posts in 3990 days


#5 posted 10-25-2021 10:24 AM

Fred, did your come up with a solution?

-- Our village hasn't lost it's idiot, he was elected to congress.

View Knockonit's profile

Knockonit

1302 posts in 1698 days


#6 posted 10-25-2021 11:47 AM

if welded , it will need to be balanced again, this is something many may forget to do, it will extend life of bearing and unit.
good luck, imo welding will be fine if done correctly,
rj in az

-- Living the dream

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