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Rejuvinating Molder feed rollers

6/12/16       
Ron Member

Has anyone used wd-40 to rejuvenate slipping feed rollers on a delta 4 roll feeder ? I would think the question is perminant to any feed roller ? Mine are slipping, and I've cleaned them / slightly sanded them, but they still slip. I've read wd-40 will help. This particular feeder is several years old but hasn't gotten a lot of use. Any suggestions here? It has the original delta model 36-839 wheels.

6/12/16       #3: Rejuvinating Molder feed rollers ...
JeffD

Sounds like the kind of tip you'd get on April 1st, "spray some oil on those wheels and they'll grip great!"

So no, I would never spray oil on my feeder wheels.....ever! If you want to get them gripping a little better for the short term, use a little solvent on a rag and wipe them down well. Then hit them with the coarsest sandpaper you have on hand, 60 or 80 grit work fairly well. Then repeat as often as needed.....which will be far too often.

The real solution is to replace them with Poly wheels from a company like Western Roller. Then you can get back to work and worry about something else as they'll go many, many, many years with no worry.

good luck,
JeffD

6/13/16       #4: Rejuvinating Molder feed rollers ...
Bruce H

Replacing them would be the best option. In the short term spray on some contact cement, let dry and then use. It will last a while, do it again if necessary.

6/14/16       #5: Rejuvinating Molder feed rollers ...
gary

We sand them on the edge sander with like new results. You can easily see the glaze come off and immediately feel the difference. It takes more than a slight sanding to rejuvenate them but don't get carried away.

As a bonus it also cleans the sander belts.

6/14/16       #6: Rejuvinating Molder feed rollers ...
Ron Member

gary, how in the world do you sand the rolles on the edge sander without flat spots and keeping them the same diameter... i would like to know that trick. And thanks for the response..

6/14/16       #7: Rejuvinating Molder feed rollers ...
gary

A light touch and a close eye. We have We have 80 grit on the sander and it seems to work well.

I am careful of my fingers and start by slowly rotating the wheel as I very lightly touch it to the belt. Rotate as far as I can, pull away regrip and repeat untill I am all the way around. May sound questionable but it has worked for me for years. So little material is removed that becoming out of round has never been an issue.

I suppose one could make a simple jig with an axle to mount the wheel to as it is rotated it into the belt.

6/14/16       #8: Rejuvinating Molder feed rollers ...
gary

In my first response I mentioned it takes more than a slight sanding. By hand or orbital sanding it does take more than a slight sanding. With the edgesander it only takes a light sanding to get the job done.

One time I did replaced rollers with poly wheels and they do work but it is so fast and easy to edgesand them that is what I do now.

6/14/16       #9: Rejuvinating Molder feed rollers ...
Chuck Rankin

Hi Ron:

Jeff D has recommended a good option. The system he mentions uses a reusable aluminum hub and replaceable tires that are available in a range of hardness durometers.

Here is a page from our website with additional information. This is something I've sold for over 30 years.

best regards,

Chuck Rankin
Wood Tech Enterprises, Inc.
Our website: www.woodtechtooling.com
P.O. Box 2226
Fairview, NC 28730 USA

1-800-TOOLING (866-5464)
Phone: 828-628-4414
Fax: 828-628-4490


View larger image

Stock Feeder Hubs & Tires

6/14/16       #10: Rejuvinating Molder feed rollers ...
Ron Member

I dont have time to order new ones at the moment, so i tried the 80 grit paper. That roughed them up pretty good, and they worked like new.. not sure if i trust myself using the edge sander on them. Im pretty sure i would get flat spots
. But it certainly is an option i may try at some point..maybe when i do order new rollers andi dont have anything to lose.
Thanks again everyone...im back in production mode.

6/15/16       #11: Rejuvinating Molder feed rollers ...
Dr. David Rankin

A few things to consider:

1. Make sure the rollers are the same diameter . If not, then replacing is needed.

2. The use of rubbing alcohol or paint thinner will help the grip of the rollers as it cleans the fine residue from the surface.

3. Oils will increase the the slipping on the work piece.

4. If the roller is missing areas, then replace to prevent possible kickback.

Be Safe,

Dr. David Rankin

6/19/16       #12: Rejuvinating Molder feed rollers ...
Dan / drbwoodworks

We have tried everything over the years , now we just buy new ones from Western roller . The green polyurethane ones work the best for us. Even over time they don't get glazed like the ones that come on the feeder. Actually I just picked up another feeder yesterday off Craig's list , the machine was never used but sat for six years, and the wheels are hard , shiny and slippery. So I will be ordering new ones this week from western.

9/12/16       #13: Rejuvinating Molder feed rollers ...
Jay White

Have you ever heard of fedron. It is a rubber rejuvenater. I first used it when I worked for a copier company in the 80's. Its very strong. All you do is put some on a rag push it agianst the roller and run the feed. Will soften those wheels quick. Just don't spill any on a plastic surface. Will eat it up. Good luck


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