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Technical Rotary shear

Discussion in 'The Hokey Ass Message Board' started by 36roadster, Dec 25, 2023.

  1. Just bought this at an auction, it's new but only comes with assembly instructions. I have searched the interwebs for info on this thing, but it is limited to inserting the material and winding the ratchet . Does anyone know what the various adjustments are for?,
    20231222_144617.jpg 20231222_144636.jpg 20231222_144656.jpg 20231222_144713.jpg 20231222_144725.jpg 20231222_144835.jpg
    The first couple are of the unit itself. It has an adjustable angle guide fitted , it is not shown in the first picture, but is on the end of the 1/2" bar which goes out the left side.
    The third picture of the handle which screws into a blind hole in the casting - Is there supposed to be something in there which the handle screws down to secure?
    The 4th picture has a set screw with a locknut, what it does is a mystery. It is too far up to clamp down on the material, so what does it do?
    The 5th pic is the adjustment for the moveable cutting wheel, is there a particular way to adjust and take material thickness into account? It says it is rated at 3mm mild steel, but I doubt it would cut that without damaging itself.
    The last picture is some kind of stop I think, but I still can't work that one out yet.
    Eastwood sell this same unit with their decal on it, but even their instructions on video are not detailed.
    I can cut 1.5 mm aluminum OK, with nice curves, but the edge needs cleaning up, not like the nice edge you get from a guillotine. I think this is to do with the adjustable cutting wheel, but I don't want to fool with that yet until I know exactly know how not to bend or break it!
     
  2. manyolcars
    Joined: Mar 30, 2001
    Posts: 9,567

    manyolcars

    Have you looked at Beverly Shears for similiarities?
     
  3. rockable
    Joined: Dec 21, 2009
    Posts: 4,961

    rockable
    ALLIANCE MEMBER

    I have had one of these for years but have never had the need to adjust anything. I have just used it. I bought mine from Woodward. Fab. You might check with them for more info. I will try to remember to look in my files and see if I have any instructions. If so, I will get them for you.
     
    saltflats likes this.
  4. rockable
    Joined: Dec 21, 2009
    Posts: 4,961

    rockable
    ALLIANCE MEMBER

    I did not find any instructions. The only adjustment I see that I would mess with is the one that adjusts the overlap of the 2 wheels. Mine overlaps about 1/16" and if cuts really nice. It leaves a faint impression of the serrations on the drive wheel. That's it. The handle is a joke. I guess it's for gaining leverage. One screw does nothing that I can tell and I don't use any of the other stuff. This shear cuts really nice tight radiuses. That is what I mostly use it for. I have a Beverly but there are certain things that I would rather do using this shear. Good luck!
     
  5. THE FRENCHTOWN FLYER
    Joined: Jun 6, 2007
    Posts: 5,994

    THE FRENCHTOWN FLYER
    Member
    from FRENCHTOWN

    If I had to guess I would say the shear clearance - the distance between the two blades - would be the only other adjustment you need to be oncerned about. The thicker the material, the wider the shear clearace needs to be. Likewise, very thin material will require a reduction in the shear clearance to get clean cuts.
     
    gimpyshotrods likes this.
  6. Almostdone
    Joined: Dec 19, 2019
    Posts: 984

    Almostdone
    ALLIANCE MEMBER

    Sure looks like the Woodward Fab product.

    I have a cheaper model from another manufacturer ….. wish I had one like yours.

    John
     
  7. RodStRace
    Joined: Dec 7, 2007
    Posts: 7,848

    RodStRace
    Member

  8. Thanks, I had a look at the film clip on the website, it looks exactly the same unit. They just show how the material goes in and gets cut, not much more info than I already know.
    I had a look at them, but not the same principle of operation.
     
    rockable likes this.

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