Page 1 of 2 12 LastLast
Results 1 to 20 of 27
  1. #1
    Kingston1100 is offline Aluminum
    Join Date
    Nov 2005
    Location
    Saskatchewan, Canada
    Posts
    91

    Post

    Have a request to do a project that requires changing the direction of rotation of an output shaft of a garden tractor. If you can picture the shaft coming out of the front end of a garden tractor trans.Customer wants shaft to extend out the front of the tractor. This part is easy, But the implement requires the opposite rotation. Have a picture in my mind of a small gearbox with 2 spurgears to change rotation.Horsepower requirements are about 25 horespower.This would be lightweight & have gearlube inside.Also have an idea of 2 sprockets & using the tightener sprocket with bearings on the front & back side of plates to support shafts.I think gearbox would be nicer if price is reasonable. Any ideas & suppliers keeping in mind we are in Canada would be greatly appreciated.Thanks for now.

  2. #2
    JS's Avatar
    JS
    JS is offline Hot Rolled
    Join Date
    May 2005
    Location
    Republic of Arizonia
    Posts
    836

    Post

    Crossed belt

  3. #3
    Davis In SC is offline Titanium
    Join Date
    Sep 2005
    Location
    South Carolina USA
    Posts
    3,121

    Post

    Crossed belt
    I was going to suggest the Crossed Belt, also.. But was afraid I might be thought of as a Simpleton that was raised on a farm..

    <<< Raised on a farm.. [img]smile.gif[/img]

  4. #4
    Join Date
    Dec 2003
    Location
    suburbs of Ann Arbor, MI, USA
    Posts
    12,219

    Post

    If you go the gear route, I'd try to go with helicals, despite some end thrust, to reduce noise/whine. I'd go with tapered roller bearings and an oil fill and call it a good day. Shaft seals would be necessary plus a good protection shield would also help to keep the heavy chunks out.

    I'm also trying to recall if a planetary set can reverse rotation...might be able to find horsepower-validated components in a (good, but) scrapped automotive transmission.

  5. #5
    Kingston1100 is offline Aluminum
    Join Date
    Nov 2005
    Location
    Saskatchewan, Canada
    Posts
    91

    Post

    Yes I did think of this but he wants to run a grain conveyor & I don't think this will give a positive enough drive. Any more ideas.

  6. #6
    Kingston1100 is offline Aluminum
    Join Date
    Nov 2005
    Location
    Saskatchewan, Canada
    Posts
    91

    Post

    I like the path you are on Matt. Does someone manufacture a small gearbox like that or do I have to manufacture it.Thanks for the input by the way.

  7. #7
    Bill D is offline Titanium
    Join Date
    Apr 2004
    Location
    Modesto, CA USA
    Posts
    3,085

    Post

    I am thinking a motercyle gearbox has severaL forward and at least one reverse gear.
    Bill D.

  8. #8
    Kingston1100 is offline Aluminum
    Join Date
    Nov 2005
    Location
    Saskatchewan, Canada
    Posts
    91

    Post

    Also Matt I don't think we need the helical gear route as their will be no end thrust at all, just straight old motion transfer.

  9. #9
    Patch is offline Aluminum
    Join Date
    Jul 2006
    Location
    west u.s.
    Posts
    193

    Post

    Something you may wish to think about would be the use of a PTO gear box.
    They can be purchased in right or left drives, be
    disengaged when not in use and gear reductions can
    be sized. At best perhaps the only thing you would need to add would be a base plate for mounting.

    Just an idea that may help,

    Patch

  10. #10
    Jamie is offline Hot Rolled
    Join Date
    Oct 2005
    Location
    Ont. Canada
    Posts
    659

    Post

    Kingston;

    Check the "Drive Line section" at Princess Auto.
    There is one in Regina, and in Saskatoon. They
    are very good at carrying PTO,Tractor, and trailer
    parts. Or check out their website www.princessauto
    .com.

    I am in no way associated with Princess Auto or
    its affiliates.

    Jamie

  11. #11
    wiz
    wiz is offline Cast Iron
    Join Date
    Oct 2004
    Location
    blackstone. ma
    Posts
    324

    Post

    turn machine 180 deg.

  12. #12
    Bill D is offline Titanium
    Join Date
    Apr 2004
    Location
    Modesto, CA USA
    Posts
    3,085

    Post

    not sure if this will work or not. use a rear drive differential from a car. lock the drive shaft so it can't turn. spin one wheel the other rotates in the opiste direction. Wil lthis actually transfer any force/ no idea at all.
    Bill D.

  13. #13
    SlicerMan is offline Hot Rolled
    Join Date
    Jan 2007
    Location
    New Hampshire USA
    Posts
    695

    Post

    What patch said.
    PTO gear box
    Or, how about a " Parallel Shaft " gear box/speed reducer ?
    From Boston Gear or Graingers or similar.
    Just slip it on.
    Maybe $200-300US New I'm guessing.
    Good luck.
    SM

  14. #14
    Peter S is online now Titanium
    Join Date
    May 2002
    Location
    Auckland, New Zealand
    Posts
    3,992

    Post

    Would a right angle drive be any advantage? You can get inexpensive, robust agricultural bevel gearboxes, they offer a choice or rotation direction depending which side the output bevel is fitted.

    We used to use Comer (made in Italy), they were excellent units, the one we used was the L5A from memory, cast iron, it handled 15hp @ 540 rpm. There also an aluminium version, the L25A. There was a choice of shaft type (either 25mm plain, keyed, or splined) and 1:1 and other ratios. Could also get it with double output shaft. The housings have tapped holes for mounting. Also larger models available.

    These gearboxes were inexpensive, we paid around NZ$100, but thats a few years back, and we bought them as OEM buyers.

    Not a very easy website, nor does it show Canadian distributors, but you could try an e-mail for local distributors?

    http://www.comerindustries.com/eng/area3/index.htm

  15. #15
    FranH is offline Hot Rolled
    Join Date
    Oct 2005
    Location
    Putnam CT USA
    Posts
    564

    Post

    We had a saw rig when I was at home and the cross belt worked just fine.

    Certainly the 'cost' justifies the attempt. Flip side would be to turn the tractot 180 degrees.

  16. #16
    Kingston1100 is offline Aluminum
    Join Date
    Nov 2005
    Location
    Saskatchewan, Canada
    Posts
    91

    Post

    SlicerMan: I think we might be on the same page with a parallel shaft setup but wasn't sure of the proper name. I am thinking of an aluminum case but not sure where to access one in Canada.Thanks everyone for the ideas so far.

  17. #17
    davetr is offline Plastic
    Join Date
    Jan 2012
    Location
    n.w. ohio
    Posts
    1

    Default reverse shaft direction

    I noticed a post from 2007 in regards to changing the shaft rotation direction on a small lawn tractor. I purchased a 40 in. snow blower and mounted it on the front of my 618 grasshopper mower. Everything worked out perfect except for the shaft rotation. It never crossed my mind about the shaft rotation. Now I have considerable time and money invested and wanted to ask how you resolved your problem . I would like to find some type of in line device, maybe a tubular unit that uses some type of planitary gears to change the saft direction I don't have a lot of space to work with.Any input would be very much appreciated thanks Dave

  18. #18
    Redirish is offline Plastic
    Join Date
    Jan 2012
    Location
    New Mexico USA
    Posts
    23

    Default Shaft Rotation

    Have you looked at Surplus Center in Lincoln Nebraska?

  19. #19
    adama is offline Diamond
    Join Date
    Dec 2004
    Location
    uk
    Posts
    6,622

    Default

    Sharpen opposite edges on the attachment?

  20. #20
    atomarc is online now Stainless
    Join Date
    Mar 2009
    Location
    Eureka, CA
    Posts
    1,986

    Default

    Quote Originally Posted by adama View Post
    Sharpen opposite edges on the attachment?

    How do you sharpen a 'grain conveyor'?

    Stuart

Page 1 of 2 12 LastLast

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •