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  1. joao100

    Coiler Mandrel

    Some information?? Thanks.
  2. joao100

    Coiler Mandrel

    Does someone have a simple drawing of a collapsible mandrel used in coilers for sheet metal, ilustrating the wedges,shells and slides? Or some place in the web where can I find this information? Thanks.
  3. joao100

    Eccentric Arbor Slitter

    Do someone have a simple drawing of an eccentric arbor slitter, showing the sworm gears and bearings ? Thanks.
  4. joao100

    Tube Bending

    The tube size is 1.75" OD x 2mm wall thickness, stainless 304, welded tube. The bend radius is about 120 mm, 100 degrees bend. Something more, just ask. Thanks.
  5. joao100

    Tube Bending

    I am working in a bending machine and having problems with stainless tube bending. It's a hydraulic machine, with a pressure die, a clamp die and a non lubricated plug mandrel. I worked with mild steel in this machine and the stainless tube is being a problem. If someone have experience with...
  6. joao100

    Moment to bend tube

    I am projecting a small machine to bend tubes untill 31,75mm OD x 0,9mm wall thickness , steel SAE 1020. This machine works with a bend die, a clamp die, a pressure die and a mandrel. The radius of the bend die is about 200mm. Hom can I calculate the moment with this parameters, with 90 degrees...
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