Turbine rotor for an exhaust-gas turbine and method for producing the turbine rotor

Turbine rotor for an exhaust-gas turbine and method for producing the turbine rotor

  • CN 104,379,289 A
  • Filed: 03/20/2013
  • Published: 02/25/2015
  • Est. Priority Date: 03/29/2012
  • Status: Active Application
First Claim
Patent Images

1. the turbine rotor for exhaust turbine, there is turbine wheel and armature spindle, turbine wheel is with impeller hub, armature spindle is with the armature spindle end towards impeller root, turbine wheel is made up of resistant to elevated temperatures metal alloy, armature spindle is made up of steel, wherein, impeller hub and armature spindle end are interconnected by brazing material fit, between the end face and the end face of armature spindle end of impeller hub, be provided with turbine rotor rotation the soldering gap being filled with brazing alloy with one heart, it is characterized in thatSoldering gap width by impeller hub end face or material on the end face of armature spindle end to remove part predetermined, this material is removed part circular and is only extended along a part for radius from outward flange around ground, and brazing adopts electron beam to braze method to produce.

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