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    國內首臺11米級大直徑盾構主軸承成功下線
    作者:中國板報網    來源:www.cqrgzs.com    點擊數:    更新時間:2019/1/25

      據河南日報1月15日消息,1月14日,洛陽LYC軸承有限公司生產車間內,一臺直徑4.8米、重約20噸的主軸承成功下線。該臺主軸承能夠滿足11米級大直徑盾構機連續工作1萬個小時,即將裝車啟程承擔浙江省舟山市魯家峙海底隧道項目的掘進任務。

      專家組一致認為,結合前期6米級盾構機主軸承積累的成功經驗,11米級國產盾構主軸承相繼攻克了帶預緊軸承的設計方法、浮動滾道加工方法及控制技術等行業技術難題,尤其是通過大膽自主創新,解決了制約盾構軸承發展的超寬表面淬火等核心技術難題,填補了國內研發此類產品的空白,已經具備替代進口主軸承的實力。

      主軸承被譽為盾構機的“心臟”,核心生產技術長期被瑞典、德國等國際軸承企業壟斷。專家組組長、中國工程院院士楊華勇說,國內首臺11米級大直徑盾構主軸承在洛軸成功下線,將進一步推動盾構機核心部件國產化,打破大直徑主軸承技術壁壘,對推動盾構機完全國產化具有重要意義。

    (文章來源:中國證券網)

    國內首臺11米級大直徑盾構主軸承成功下線

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