A kind of comprehensive carburization process of bearing ring

A kind of comprehensive carburization process of bearing ring

  • CN 102,828,144 B
  • Filed: 06/14/2011
  • Issued: 09/28/2016
  • Est. Priority Date: 06/14/2011
  • Status: Active Grant
First Claim
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1. the comprehensive carburization process of KT bearing ring, its process program is:

  • A, outer ring external diameter reserve Lathe quantity;

    The depth of penetration that required hardness is corresponding is determined after b, high tempering;

    C, secondary quenching rear car are fallen unnecessary carburized layer and are ground to finished size;

    D, for requiring the position that infiltration layer is shallow, be coated with permeability-reducing admixture appropriateness protection;

    F, inner ring external diameter reserve Lathe quantity;

    The depth of penetration that required hardness is corresponding is determined after g, high tempering;

    H, secondary quenching rear car are fallen unnecessary carburized layer and are ground to finished size;

    I, for requiring the position that infiltration layer is shallow, be coated with permeability-reducing admixture appropriateness protection;

    Its technical process is;

    (1) on the external diameter of outer ring, reserved Lathe quantity →

    entirety carburizing →

    Gao Huihou determines Lathe quantity by sample→

    secondary die quenching →

    hard car part pre-grinding amount →

    lonneal →

    grinding;

    (2) reserve Lathe quantity →

    internal diameter at inner ring internal diameter and be coated with anti-carburizer →

    entirety carburizing →

    high Hui HoutongCross sample and determine Lathe quantity →

    secondary die quenching →

    hard car part pre-grinding amount →

    lonneal →

    grinding.

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