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Contact Roller for Wide Belt

7/18/14       
Fred

Website: http://www.rivercity.ca

Contact Roller for Wide Belt Sander

Anybody know of a north American
Maker of after Market contact Rollers
for Wide Belt Sanders?
Looking for a second Option versus original Euro replacement.

Thank you,
Fred

7/21/14       #2: Contact Roller for Wide Belt ...
Bruce H

Western Roller could re-make the roll you already have?...

7/22/14       #3: Contact Roller for Wide Belt ...
Chuck Rankin

Fred:

You can try www.feedrollers.com. Recovering of your existing rollers and new rollers are available.

best regards,

Chuck Rankin


View larger image

FeedRollers.com

7/22/14       #4: Contact Roller for Wide Belt ...
andy Member

R P Fletcher Machine Lexington NC. Exactly same material and hardness as your original

7/24/14       #5: Contact Roller for Wide Belt ...
Adam West  Member

Website: http://www.surfprepsanding.com

Beware of using feed roller or conveyor roller companies. It seems many of them cannot properly grind or balance the rollers for high speed.

The sanding drum must be ground true to the journals nearly perfectly. Then it needs to be spin balanced.

Recovering is your cheapest option. Make sure you get the right hardness. Sometimes the original shore is not the best, or even totally wrong.

7/24/14       #6: Contact Roller for Wide Belt ...
Fred

Hi Adam,
Thank you for responding.We run a 2 Head 53" Bore. 1st Head is 70 Shore 2 Head is 50 Shore non segmented comb. Head with Platen. We only sand solid Wood . mostly Int. and Entry Doors. The Second softer contact Drum has done a good Job. As far as avoiding Chatter from Belt Splices. It was easy to redress it as well. What is your Opinion on how soft that Roller needs to be,considering we have to use a 2 Head machine for everything. Our current Sanding Process
for Doors is as , After doors are glued we clean them up with 60 and 80 Grit. Then we cut to Size machine Hinges Locks and do any other machining needed . Then we sand 100 and 120 and after that go to 150 and 180. Then we finish them with Hand and Orbital sanding.
Some of this came from Hovard Grivna 's
Book on Wide belt Sanding and some from working with what we have.
By the way i did read your writing about the 2 Grit Sequences and Does your sanding make Sense.
tank you for responding and contributing.

Fred

7/24/14       #7: Contact Roller for Wide Belt ...
Adam West  Member

Website: http://www.surfprepsanding.com

I will post an in depth response later this evening. 45 shore is just about perfect for the combi head.

7/24/14       #8: Contact Roller for Wide Belt ...
Adam West  Member

Website: http://www.surfprepsanding.com

Hard drums give a smaller contact area so the grains on the abrasive belt penetrates further into the surface. Softer drums create longer contact area so the penetration is less. The longer the scratch the less depth of scratch.

I'm not sure who built your sander with the configuration you mentioned so that might help me with recommendations.

I would pick 80 and 40 shore for the two drums. Hard to cut and soft before going into the platen.

Does your machine have air exclusion on each head? How much actual stock do you need to remove?

We might be able to simplify things for you and eliminate two of your six passes with a scratch pattern that will melt away like butter.

When using a two head with three separate grit sequences you will never have a proper set up on all three. Only one sequence will be really set up correctly.

Also, be very, very careful of the book on sanding. It give information that confuses people and does not always help. If it gives correct information, but lacks the ability to convey the real world applications of that information, then it can become a huge hinderance.

Feel free to contact me if you would like to discuss this further.

Techdude@dixonabrasives.com

7/25/14       #9: Contact Roller for Wide Belt ...
Fred

Hi Adam,
The Sander is a Boere Select.
What do you mean with Air exclusion?
Door Stock we plane 1/8 thicker than the final thickness of Doors, that gives us 1/16 of thickness to remove on each face.
We remove 1/32 each Face with 60 and 80 grit.Then go on with 100 and 120.
next 150 and 180.

2/20/16       #10: Contact Roller for Wide Belt ...
alden Member

Website: http://www.orf.ae/

hey i did some research for you you can have a look at this link http://www.orf.ae/
they are manufacturers of converor rollers hope i have offered some help

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