ELBOW MANUFACTURING METHOD, CUTTING TOOL, AND ELBOW

ELBOW MANUFACTURING METHOD, CUTTING TOOL, AND ELBOW

  • CN 104,338,987 A
  • Filed: 01/21/2014
  • Published: 02/11/2015
  • Est. Priority Date: 07/31/2013
  • Status: Active Application
First Claim
Patent Images

1. a manufacture method for bend pipe, is characterized in that, comprising:

  • Cut step, wherein, make cutting element is formed as the roughly spherical cutting portion at least partially center line along editing objective bend pipe, in the direction relative movement towards the 2nd end face from the 1st end face of dumming bend pipe, described dumming bend pipe is cut, forms the medial surface of described editing objective bend pipe;

    WithMobile step, wherein, makes described cutting portion along the center line of described editing objective bend pipe, is moving from the 2nd end face of described dumming bend pipe towards the direction of the 1st end face,The diameter of described cutting portion, roughly the same with the internal diameter of described editing objective bend pipe.

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