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Shop Fox W1740 Gear for motor

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Forum topic by ScottBrookshire posted 03-08-2021 11:03 PM 311 views 0 times favorited 12 replies Add to Favorites Watch
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ScottBrookshire

2 posts in 37 days


03-08-2021 11:03 PM

Topic tags/keywords: shop fox w1740 12 drum sander

Hi. Have the Shop Fax W1740 12” drum sander and looking for the whole motor or better yet the gear inside for the conveyor belt. Mine has developed a flat spot. Grizzly does not have the motor avail.
Anyone know where I might get one?
Thanks


12 replies so far

View bigJohninvegas's profile

bigJohninvegas

978 posts in 2515 days


#1 posted 03-09-2021 12:14 AM

Is there a name or id plate on the motor? photo of it would help.

-- John

View Loren's profile

Loren

11148 posts in 4701 days


#2 posted 03-09-2021 12:41 AM

I think I’ve read a good machine shop can repair stripped gears. I reckon that’s likely to be your only option unless the units are prone to another failure. In inexpensive drum sanders a weak link is often the variable dc drive for the belt.

View tvrgeek's profile

tvrgeek

1754 posts in 2703 days


#3 posted 03-09-2021 01:41 AM

Welcome to the cheap tool disposable weak part for a tool STILL IN PRODUCTION.
Maybe a shop can cut you a gear, or you are going to have to DIY a replacement drive.

Looks like the pinion jammed and stripped the ring. Do you know the cause of the failure? Too thick wood and it stalled?

Unbelievable, worse support than Delta. Glad I did not buy a Griz TS. How the heck can they not supply a replacement for a current machine? Maybe you need to call them a few more times and raise hell.

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tvrgeek

1754 posts in 2703 days


#4 posted 03-09-2021 01:49 AM

38V4-4 for the gear, 38V4 for the motor. I see it N/A.

https://www.woodstockint.com/products/W1740 For sale new, but no parts available. The world should hear about that!

View tvrgeek's profile

tvrgeek

1754 posts in 2703 days


#5 posted 03-09-2021 11:48 AM

Gear motors are pretty common. You might search for generic motors. Determining the RPM needed may take a little.
There should be a clutch in a design like this.
I could even see using an electric drill and a flex haft as a feed hack.

View Kudzupatch's profile

Kudzupatch

172 posts in 2262 days


#6 posted 03-09-2021 02:41 PM

Forget the machine shop idea. Having worked with them for many years machine work is VERY SLOW process and VERY EXPENSIVE. If they would make that gear it would cost hundreds of dollars. The crazy prices for replacement parts are a bargain compared to having one made.

Gears are rarely made custom because of the cost. Odds are that is a off the shelf gear. The trick is for the average person to find it and that is not easy. I had catalogs that listed hundreds if not thousands are gears and there is a lot to the design of them.

Not to discourage but just to warn you. If you can measure the gear, the shaft etc. you might find one on the internet but it will take time.

-- Jeff Horton * Kudzu Craft skin boats* www.kudzucraft.com

View CaptainKlutz's profile

CaptainKlutz

4333 posts in 2548 days


#7 posted 03-09-2021 04:16 PM

Is there a name or id plate on the motor? photo of it would help. – bigJohninvegas
+1

This thread on Grizzly model and 4 different versions of the motor PN, signals a design weakness.

Grizzly specification sheet show motor parameters:
Horsepower…......................... 1/8 HP
Phase….................................. Single-Phase
Amps…................................... 0.3A
Speed….................................. 5 – 55 RPM
Type….................................... Universal
Power Transfer …..................... Direct Drive

Quick search does not return any motors with same mounting bracket?
Might have to modify the mounting bracket, adapt the drive shaft; but 110v fractional HP right angle gear motors are not expensive. Replacing entire motor assembly might cost < $50
Would also give you chance to add a flexible shaft couple. Then a stalled conveyor breaks inexpensive coupler link, and not drive gear. :)

Best Luck.

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

View Underdog's profile

Underdog

1650 posts in 3089 days


#8 posted 03-09-2021 04:44 PM

Here’s a thought.. you might have better luck getting someone to 3D print one.

Suppose that would work?

-- Jim, Georgia, USA

View ScottBrookshire's profile

ScottBrookshire

2 posts in 37 days


#9 posted 03-10-2021 10:55 AM

Thanks for all the replies. Woodstock had the part. The actually had quite a few. You have to go to though a dealer to get it but still.

View tvrgeek's profile

tvrgeek

1754 posts in 2703 days


#10 posted 03-10-2021 12:51 PM

So, they are lying on their WEB, and padding dealer profits? Why not state “Available through factory authorized service” Again, another reason I would not buy a Woodstock product.

You still need to understand why this failure happened. What caused the belt to stop and why was there no current limit/clutch or other safety system to prevent the gear destruction. Other than buying a handful of gears, what can you do?

View rbrjr1's profile

rbrjr1

217 posts in 1259 days


#11 posted 03-11-2021 05:33 PM



You still need to understand why this failure happened.
- tvrgeek

this is the real issue.. something like that never should have failed in the first place.. unless you’re feeding a 20’ long 6”x8” timber beam through the sander..

-- only an idiot dismisses an intelligent statement because they dont know anything about the person delivering it.

View Underdog's profile

Underdog

1650 posts in 3089 days


#12 posted 03-16-2021 12:12 PM

Nothing I’ve seen made by Shop Fox has impressed me in the least…. This just confirms my impression. Again.

-- Jim, Georgia, USA

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