Grinding and polishing process for repair of aluminum alloy hub

Grinding and polishing process for repair of aluminum alloy hub

  • CN 106,425,700 A
  • Filed: 10/16/2016
  • Published: 02/22/2017
  • Est. Priority Date: 10/16/2016
  • Status: Active Application
First Claim
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1. grinding and polishing process during an aluminium alloy wheel hub is repaired, it is characterised in that comprise the following steps:

  • S1, build shaping:

    First repairing out the bossing aluminium file at the scratch position of wheel hub or soldering or grinding head shouldSome moulding, each curved surface should be less than 0.5MM with the inspection of curved surface chi, error;

    S2, corase grind:

    Selecting 80 ~ No. 400 dry abrasive papers tentatively to polish refinisher successively, curved arc or special-shaped part need to use cushionSupport sand paper is carefully polished, it is desirable to than basal plane slightly raised above a little as fine grinding surplus;

    S3, packing:

    Check the surface whether pore after polishing, depression, and fill up pore and depression with atomized ash or aluminium putty;

    S4, fine grinding:

    Refinisher to curved surface passed examination, should select 400 ~ No. 800 waterproof abrasive papers to modify in number-skipping modePolishing;

    S5, polishing:

    1200 ~ No. 2000 silicon carbide papers are selected successively to polish to thin order by thick on the basis of fine grinding further;

    DirectlyTo the polishing vestige that can'"'"'t see any cut and last layer sand paper;

    Finally be polished operation with polishing agent and polishing wheel until inExisting mirror effect.

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