Views: 7 Author: Site Editor Publish Time: 2016-09-29 Origin: Site
Flange , also called Flange plate or Flange.The flange is connected between the pipe and pipe parts, used for the connection between the tube;Also useful on equipment import and export of the flange, used for the connection between the two devices, such as reducer flange.Flange connection or flange connection, it is to point to by the flanges, gaskets and bolts are mutually connected as a set of sealing structure detachable connection.Today, small make up flange welding and related knowledge is to tell you about, look at the flange material.
A set of manual arc welding equipment, lever Angle a grinding machines, electric hammer, flat feet.
1. Check the debugging equipment, to ensure normal operation of equipment;
2. Prepare phi 4.0 J402 electrode had better be in 300 ℃ to 350 ℃ drying for one hour.
1, assemble the vertebral bodies and large flange together according to the requirements of drawings, then average the large flange is divided into eight equal parts.
2, welding flange thicker, because groove is larger, so the piecewise symmetric, multi-layer welding.
Weld strength at least reach the parent metal strength requirements.Weld surface level off is smooth, without burning through, porosity, welding, slag inclusion, bite side, weld defects such as full.High is less than 2 mm.
Matters needing attention
1, when the render must use J506 electrode manual welding, welding and a small current.In strict accordance with the welding process.
2, in after each welding one location, with a spirit level card the deformation of the flange plane.
3, while welding with pneumatic hammer hammer weld, to eliminate the effect of stress.
Above is the flange material welding and related contents of introduction, hope will be helpful to you.
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