Tumbler motor

Tumbler motor DEFAULT

Replacement Tumbler Motor

Thumler's Tumbler Lid Gasket

Lid Gasket

Model B Replacement Bushings

Model B Replacement Bushings

Replacement Rebel 17 motor. Fits the Thumler's Tumbler Model B and Rebel 17. Either 115 volt or 230 volt available for the High Speed 3000 rpm motor. Has a one year warranty. Both 230v and 110v motors are black.  Low speed motor is 1250 rpm. 

was$89.95Special Price$69.95

Availability:In stock


Replacement Rebel 17 motor. Fits the Thumler's Tumbler Model B and Rebel 17. Either 115 volt or 230 volt available for the High Speed 3000 rpm motor. Has a one year warranty. Both 230v and 110v motors are black.  Low speed motor is 1250 rpm. 

Reviews 1

Sours: https://stainlesstumblingmedia.com/model-b-high-speed-motor-110v.html

My Rock Tumbler's Motor is Hot! Is That Normal?

Most motors will be hot to the touch when operating. Here are a few tips for safe operation.

Rock Tumbler Motors Run Hot

Many people who own rock tumblers notice that the tumbler's motor is very warm - even hot - while the tumbler is operating. They are often concerned that something is wrong with their tumbler. We understand completely because we were surprised the first time we discovered that our tumbler's motor was hot.

Hot tumbler motors are normal. Most rock tumblers have air-cooled motors that are designed to run hot to the touch. You will probably not burn your fingers if you touch the motor quickly. However, if you allow your fingers to remain in contact with the motor for more than a moment, the heat will be uncomfortable. That motor temperature is normal.

Thermally Protected Motors

High-quality rock tumblers have thermally protected motors. These motors are designed to shut off if they become overheated. This is a safety feature intended to prevent fires.

We sell several Thumler's Tumblers that are shipped from the factory with thermally protected motors. They are the Thumler's A-R1, A-R2, A-R12, Model B, U-V10 Industrial Model, and U-V18 Industrial Model. We believe that these are some of the highest quality motors used in hobbyist rock tumblers today.

thermally protected on the motor nameplate

Thermally protected motors usually have the words "thermal protection" or "thermally protected" on the motor nameplate. Thermal protection is a safety feature and a feature that can extend motor life in some situations. Motor manufacturers want you to know if the motor is thermally protectited - it is a sign of quality.


Our Experience with Hot Motors

We have been using Thumler's Tumblers for about 50 years and have sold thousands of their tumblers to customers. We have never heard of a fire or a building electrical problem being attributed to a Thumler's Tumbler. We have never heard of a fire or an electrical problem being attributed to a Lot-o-Tumbler (another brand of tumblers that we sell).

At almost any time, we have between one and four rock tumblers running at our office. This is a combination of Thumler's Tumblers, Lot-o-Tumblers, and Lortone tumblers. We estimate that the tumblers at our office have experienced a total running time of at least 50 years. Out of all of that time, we have only experienced a motor overheating to the point of shutting off one time.

That overheating was on a Thumler's A-R2, when one of the barrels got wedged between the drive shaft and the idler shaft. That kept the drive shaft from turning, but the motor kept running and working hard trying to turn that stuck driveshaft. The motor overheated. The motor stopped operating. We found the tumbler stopped that evening. The room had an odor of burned plastic. We had to replace the motor. It would no longer operate.

We have had good luck with our tumbler motors. This good luck may be in part to three habits which we practice: 1) we keep our rock tumbling area clean and free of excess dust (which air-cooled motors will inhale), 2) we keep our tumblers clean, and, 3) we oil the motors of our rock tumblers regularly. These are things that anyone who runs a rock tumbler should do.

Things You Should Watch For

If a motor on a rock tumbler begins to overheat, you will likely smell it. Overheating motors often emit an odor of hot plastic, hot oil, or something burning. If you experience this odor, do not touch the tumbler. Instead check the outlet where the tumbler is plugged in.

If you see smoke coming from the outlet, or the if outlet plastic is deformed, or if the wall is hot, do not touch the plug. Instead, leave the building and contact someone who can help right away. Call 911 if you do not have immediate help from someone who is trained to evaluate this situation. (We have never experienced this situation and have never heard of it occurring with any of our customers.)

If you don't see smoke, deformed plastic, or feel heat around the outlet or the plug, then unplug the tumbler and allow it to cool. After it is cool, try plugging it back in and see if the motor will run. If it runs, then unplug it, use compressed air to blow the dust out of the inside of the motor, wipe the motor with a clean cloth, oil the motor, and clean the area around the tumbler - your goal is to rid the area of dust that might be inhaled by the motor. Then, when you start using the tumbler again, keep a close watch on it to make sure that it is running normally. If your motor fails to run after plugging it in, then you likely need a new motor.

Things That Can Cause Overheating

Here are some things that can cause your rock tumbler to overheat. Do your best to avoid them!
  • Covering the tumbler with a box to reduce noise (a box over the tumbler will cut off the supply of the fresh air needed to cool the motor). Instead of covering the tumbler to reduce noise, lubricate the motor and bearings.

  • Operating the tumbler in a hot shed, in direct sunlight, or another hot environment. We have heard from numerous customers who operated a tumbler in these conditions, and on a hot summer day they went to check the tumbler and it was not operating. Most likely the tumbler overheated and stopped operating.

  • An event that adds resistance to the motor (a barrel jumping off of the shafts and wedging between them will impede the turning of the motor and cause it to fail).

  • Poor bearing maintenance (dirty bearings create friction and apply extra load on the motor). Keep your bearings lubricated, keep them clean, and replace them if they stop operating smoothly; this will save your motor.

  • Overloading the barrel. This can occur by adding too much volume, but can also occur when high-specific-gravity materials such as hematite or pieces of metal are tumbled. Overloading can also be caused by running a large barrel on a tiny tumbler that was not designed for the heavy load. An overloaded tumbler will overheat.

  • A problem in the motor that causes it seize up or fail to start turning (a dropped ceramic pellet that bounces into one of the motor vents will likely kill the motor).

  • An accumulation of dust or dirt in or on the motor that prevents it from cooling properly. (Don't operate a tumbler in a dusty environment. Keep the tumbler and surrounding area swept clean. Air-cooled motors inhale incredible volumes of air every minute.)

Any machine operated by electricity can be a fire hazard under the right conditions, many of which are listed above.

There is one situation that should concern you. If you detect a hot oil or burnt plastic odor coming from your motor, or see smoke, that is a time to unplug the motor and contact the manufacturer.

Be Concerned About Motor Safety

Here are some general tips to keep your rock tumbler operating safely. Some of them also prevent overheating.
  • unplug the motor before doing maintenance or repair

  • use a tumbler with a thermally protected motor

  • take care of the cord, inspect it regularly, and repair if it is damaged

  • keep pets and small children away from where a motor operates

  • operate the tumbler according to the manufacturer's instructions

  • locate it where it has access to plenty of fresh air

  • locate it away from combustible materials

  • locate it away from sources of heat

  • operate it in a clean and uncluttered environment

  • keep the motor clean and in good operating condition

  • inspect and lubricate the motor and bearings according to instructions

  • wear safety glasses during use, repairs, and maintenance

  • don't wear jewelry, loose sleeves, or dangling hair when working near a tumbler

  • if you have doubts about your motor, contact the manufacturer

  • if you must replace a motor, obtain a replacement of the same make and model

  • using GFCI receptacles can improve the safety of your work area

A safety-conscious person who does the above can reduce the risk of fire, reduce the risk of injury, and prolong the life of the tumbler.

Quality, Care and Gentle Use

We advocate buying a quality tumbler, made by a company that has been in business for a long time.

Some manufacturers design and build with a goal of producing the lowest-cost item on the market. The most expensive part of most rock tumblers is the motor, and using a low-quality motor is a place where costs can be cut. You get what you pay for.

We also advocate "care and gentle use" of the items that you purchase. It does not matter if it is a rock tumbler, a car, or a toaster. Treat your machines with respect. Keep them clean. Lubricate them regularly. Doing these things will often enable you to enjoy your possessions for a much longer time.

Some Motor Trivia

Most modern homes have at least two dozen small air-cooled motors working in them every day. These motors are in furnaces, air conditioners, refrigerators, ceiling fans, space heaters, recliners, washing machines, dryers, waste disposals, ovens, microwaves, attic fans, hair dryers, garage door openers, pumps, toys, and more. Most people are surprised to learn how many motors are working in their home.

Motors in the home cause occasional fires. They are the small machines that we live with, so we should buy quality products, install them properly, operate them gently, and maintain them according to the manufacturer's instructions.

Happy Tumbling!

RockTumbler.com Authors

Hobart KingHobart M. King has decades of rock tumbling experience and writes most of the articles on RockTumbler.com. He has a PhD in geology and is a GIA graduate gemologist. He also writes the articles about rocks, minerals and gems on Geology.com.
Sours: https://rocktumbler.com/tips/rock-tumbler-motors-run-hot/
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Learn how to make a tumbler turner for cheap with just a few supplies.

HI Friends!!  So, after a year of hand turning my DIY glitter epoxy tumblers, I finally decided to bite the bullet and build my own DIY cup turner!  Now I’m wondering, why did I wait so long???

It was pretty easy and cheap to throw together and now I don’t have to sit by my personalized tumblers for hours watching and turning.  Are you ready?  Let me show you how to make a tumbler turner for under $25.

The price could actually be cheaper if you have some of these supplies around your house or if you get creative!  If you’ve been following me for a while, you know I have a ton of scrap wood that I am always trying to use up.  This was a perfect project for it!

how to make a tumbler turner pin

I grabbed a leftover scrap of a 2×6 and 2×4 from my huge DIY farmhouse table build (click here to check it out!)  I’m sure you could scrounge some up or ask a friend for some small pieces.

If you’d like to check out my ultimate guide on how to make a bunch of different personalized tumblers, click here! For my step by step and video tutorial on how I apply epoxy to make a  DIY glitter tumbler, click on the link.

Materials Needed for DIY Tumbler Turner

diy cup turner

Disclosure: This post contains affiliate links from Amazon. I receive a small commission at no cost to you when you make a purchase using my links.

****It seems like some PVC pipes are slightly different depending on the thickness of the walls.  Make sure to measure the outside diameter of your PVC pipe and use a drill bit that is slightly bigger.  Use corresponding adapters.****

How to Make a Tumbler Turner Tutorial (Single Cup Turner)

The first thing you’ll want to do is drill 1-inch holes into your 2x4s.  I put the center of the hole about 1.5 inches from the top.  Clamp the wood to a side of the table.

Drilling a 1-inch hole through a 2×4 takes a while!  Wear some safety goggles and do it in a well-ventilated area.

diy cup turner
drilling 1 inch hole in wood
diy cup turner made out of wood

Once the first board was done, I clamped both boards together (perfectly aligned!) and started drilling my second hole.  This way I knew they’d be the same height.

diy cup turner leg bases
diy cup turner

Once I drilled through a bit, I unclamped them and just did the one board now that I had a starter hole.

Then you’ll just need to attach the pieces together.  You want some distance between the two so that it adds stability.  I put mine at the ends of my 13-inch piece of wood.

I first drilled pilot holes with my countersink drill bit so that the screws wouldn’t stick out and make the bottom uneven.

how to make a tumbler turner with wood

I found it easiest to place the 2x4s on the ground and then drill the 2×6 on top.  Make sure the 2x4s have the holes closest to the ground!  I used 3-inch screws.

how to make a tumbler turner
tumbler turner base out of wood

Now, onto the motor of the single cup turner!  Make sure you are doing all this BEFORE you plug anything in!!

Putting the DIY Glitter Tumbler Turner Together

You’ll need to twist the pigtail ends of the motor to the lamp cord.  (If you have a lamp cord you are not using, by all means, use one you already have, save $$!!)

diy motorized turner

Once they are twisted together, attach the screw-on connectors.  Now, plug it in and see if it works.  If the motor doesn’t turn, you might need to switch the wire connections.  Make sure to UNPLUG it and then switch the wires, attach the screw ends, and then see if it works.

attaching wires of motor

Cut the long PVC pipe in half.   You will attach a noodle to one side and the motor to the other.  The side I connected to the motor was 8 inches long.

how to make a tumbler turner with PVC pipe

They will connect back together with male and female adapters.

how to make a tumbler turner
diy cup turner with pool noodle

Cut a small piece of a pool noodle with a serrated knife (not the Dollar Store noodles, but the thicker ones from Walmart.  They fit more snug in the tumblers).

(I have made two PVC ends, one with a pool noodle and one with a foam football for smaller tumblers.  The pipes are 9-11 inches long.)

gluing foam noodle to PVC pipe

Then you’re going to get one end of a PVC pipe a little wet and apply the gorilla glue all around it.  The gorilla glue expands when it dries so it really adheres it!!  I got this idea from Mr. Coop on YouTube.  You can watch his video on how to do this part here.

Let it dry.  Once it’s hard, you can scrape off the extra if you want.

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I’d love if you come craft with me on Instagram!  Click below to follow.  Also, if you make any of my crafts I’d love to see them!!  Tag me @leapoffaithcrafting.

Attaching The Motor to DIY Cup Turner

Now, use the other half of the PVC pipe.  Attaching the motor to the PVC pipe was the hardest part for me!  The first time I did it, it only spun for a few seconds and then kept stopping.  They weren’t secure enough together.

At first, I was trying to get a cork to fit in the hole or something else that would sit securely in.  I saw this other video from Mr. Coop (watch here) , so I decided to try it.  I had an old 3/4″ rod lying around so I drilled a hole in it.

I started off with a smaller drill bit size and worked my way up.  15/64 inch drill bit ended up being what worked for me.  It wouldn’t go in easily so I had to use a mallet, but it’s secure.

The first time I made the hole, I went with a 1/4 inch drill bit and it fit easily (which meant not tight enough!).  I tried to use the gorilla glue to secure it together but it didn’t work, so I had to start over!

After I drilled the hole with the 15/64 inch drill bit, I sanded down my rod so that it would securely fit in the PVC pipe.  I stuck the small wood dowel on the other end of a drill bit and used 80 grit sandpaper to sand it while I rotated it around.  You could also use an orbital sander, but mine was broken:(

how to make a tumbler turner

Once I got it just small enough to fit in, I hammered it in with a mallet.  If you end up getting it a little too small, you can add some gorilla glue on the wood piece, stick it in the PVC pipe and let it harden.

applying glue to wood rod for cup turner
inserting wood rod into PVC pipe

I put a little bit of the gorilla glue in the opening and squished the motor prong into it (by taking a mallet to it!)  The motor is never coming off the PVC pipe now!

how to make a tumbler turner
attaching PVC pipe to motor

Make sure that it works!  Plug in the cord and turn it on.  You should see the PVC pipe rotating.

Now you can stick the PVC pipe with the motor attached to it through the holes.  Attach it to the outside of a 2×4 with screws.

how to make a tumbler turner with motor
diy tumbler turner with motor and PVC pipe
diy tumbler turner

Here is a tumbler I made using alcohol inks and the DIY cup turner.  Find out how to make your own custom tumbler with watercolor effect here or how to hydro dip a tumbler here.

That’s it!  You should be good to go!  I made a short video to show you the setup of this single cup turner since that’s sometimes easier for some (should be playing here or at the top or on side of the screen make sure to turn on the volume!)!

Here are some printable directions!


  1. Cut the wood. I used 2 6.5 inch long 2x4s and a 13 inch long 2x6.
  2. Drill 1 inch holes into the 2x4s about 1.5 inch from the top.
  3. Attach the 2x4s to the 2x6 with countersunk holes and 3 inch screws.how to make a tumbler turner
  4. Attach the pigtail ends of the motor to the lamp cord (before it's plugged in!!) Screw on wire connectors.
  5. Cut a PVC pipe. I used a 8 inch piece to connect to the motor. Attach male and female connectors.
  6. Attach a 3-4 inch piece of a pool noodle or foam football to the end of a 9 inch PVC pipe with gorilla glue and let it dry (get the PVC pipe a little wet so the glue foams).
  7. Drill a hole in a wooden rod that fits very snug with the motor. I ended up using a 15/64 inch drill bit.
  8. Sand the wooden rod down until it just fits into the PVC pipe. It should be very snug. I added a little glue on the outside of the dowel and hammered it in. diy cup turner
  9. Attach the PVC pipe to the motor and slide the PVC pipe through one of the 2x4s. Screw in the motor to the outside of one of 2x4s.
  10. Push the other PVC pipe with the foam noodle into the male and female connectors and you're done!diy tumbler turner


Make sure to read the full step by step with pictures single cup turner tutorial on my blog post. Also, watch the video of how everything is connected on the tumbler turner at the end!

Did you make this project?

Please leave a comment on the blog or share a photo on Instagram

Thanks so much for stopping by!  If you have any questions, please let me know!

If you’d like to save this cup turner tutorial for later, you can PIN the picture below!

how to make a cup turner pin

Have a creative day!

leap of faith crafting

Sharing is caring!

Sours: https://leapoffaithcrafting.com/how-to-make-a-tumbler-turner-for-cheap/
How To Make A Less Than $25 Epoxy Resin Cup Turner

Rock Tumbler Motors

These motors only fit the rock tumblers listed below. If you need a motor for another tumbler or some other project, visit Grainger.com.

Rock tumbler motors

We sell replacement motors for the most popular tumblers manufactured by Thumler's Tumblers and Lot-O-Tumbler. They are easy to replace with no special tools required. If you have a screwdriver, small wrench, wire cutters, and a knife, you can install any of these motors. Please do not purchase these motors for other types of tumblers - get information for other tumblers here.

Rock Tumbler Supplies
Rock Tumbler Supplies

Thumler's A-R motor pulley

Thumler's A-R Model Tumblers Motor Pulley

Thumler's Model B motor pulley

Thumler's Model B Tumbler Motor Pulley

Thumlers keps nuts

Thumler's Motor Mounting Nuts

Two keps nuts (nuts with attached, free spinning, star-shaped lock washers) are used to keep the motor in place. For Thumler's Model MP-1, Model T, and Model T2: The nuts screw onto the two motor-mounting bolts where they extend through the motor housing, one on each side of the opening where the motor's drive shaft protrudes. For Thumler's Models A-R1, A-R2, A-R6, A-R12, and Model B: The nuts screw onto the two motor-mounting bolts where they extend through the motor-mounting brackets.
Thumlers MP-1 tumbler motor

Thumler's MP-1 Motor

This is the small light-duty motor that fits Thumler's MP-1 Tumblers. It comes with the motor, pulley, and power cord.

Thumlers AR tumbler motor

Thumler's A-R Model Tumbler Motor

This thermally protected motor comes with the pulley and fits all Thumlers AR series tumblers and will automatically shut off under excessive load. This motor fits the following tumblers: A-R1, A-R2, A-R6, and A-R12. This motor does not fit other tumblers.

Thumlers Model B tumbler motor

Thumler's Model B Tumbler Motor - Low Speed (Rock Tumbling)

This is the low speed (1550 rpm) replacement motor designed for rock tumbling in Thumlers Model B rock tumbler and includes the pulley. It is a thermally protected motor that will shut off automatically if it gets too hot. Easy to replace, just remove the belt, mounting screws and replace. This motor does not fit other tumblers.

Thumlers Model B high speed tumbler motor

Thumler's Model B Tumbler Motor - High Speed (Brass Tumbling)

This is the high speed (3000 rpm) replacement motor and pulley are designed for brass tumbling in Thumlers Model B tumbler. It is a thermally protected motor that will shut off automatically if it gets to hot. Easy to replace, just remove the belt, mounting screws and replace. This motor does not fit other tumblers.

Thumlers UV 10 Mini Bowl motor

UV-10 Mini Bowl Tumbler Motor

This is a replacement motor for Thumler's UV-10 Mini Bowl vibratory rock tumbler and includes the counterweight. The motor is thermally protected and has a counter weight on the shaft behind the fan to create the vibrations during operation.

Thumlers UV 10 vibratory tumbler motor

Thumler's UV-10 (Industrial) Tumbler Motor

This replacement motor includes the counterweight and fits Thumlers industrial UV-10 vibratory rock tumbler. It is thermally protected and will shut off automatically if it gets too hot. This motor does not fit other tumblers.

Thumler's UV-18 Motors and Mounting Brackets

Thumler's factory customer service department is the only place to buy motors and motor-mounting brackets for the UV-18 tumbler. They are at Tru-Square Metal Products. You can find ordering information here.

Lot-O-Tumbler motor

Lot-O-Tumbler Motor

A replacement motor for the Lot-O-Tumbler Single or Twin. The motor fans that contain the counterweight are NOT included. This motor does not fit other tumblers.

Rock Tumbler Supplies
Rock Tumbler Supplies

Sours: https://rocktumbler.com/tumbler-motors.shtml

Motor tumbler


DIY Rock Tumbler - Episode 1 - Building a Homemade Tumbler


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