The invention discloses an integral type engineering machinery wheel rim and a preparation method thereof. The rim is of an integral structure, and a locking ring groove is formed in the rim; the preparation method specifically and sequentially comprises steps of plate stamping, edge rolling, seam welding, expanding and rounding, cold rolling and spinning forming, rim blank upsetting and rim forming. According to the integral type engineering machinery wheel rim, the locking ring groove of the rim is machined through the cold spinning technology, then the engineering truck rim which is good in mechanical property, attractive in appearance and long in service life is manufactured in cooperation with the rolling or spinning technology, and the integral type engineering machinery wheel rim is particularly suitable for production of large engineering truck rims.

    本发明公开了一种整体式工程机械车轮轮辋及其制备方法,所述轮辋为一体式结构,所述轮辋上设有锁圈凹槽;制备方法具体依次包括板材冲压、卷圆、接缝焊接、扩涨整圆、冷滚旋压成型、轮辋毛坯镦粗和轮辋成型。本发明的整体式工程机械车轮轮辋,采用冷旋压工艺加工轮辋的锁圈凹槽,再配合滚压或旋压工艺制备出力学性能好、外观美观、使用寿命长的工程车轮辋,尤其适应于大型工程车轮辋的生产。


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    Title :

    Integral engineering machinery wheel rim and preparation method thereof


    Additional title:

    一种整体式工程机械车轮轮辋及其制备方法


    Contributors:
    XU QI (author)

    Publication date :

    2021-11-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / B23P Sonstige Metallbearbeitung , OTHER WORKING OF METAL



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