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公开(公告)号：US10695819B2
公开(公告)日：2020-06-30
申请号：US16025884
申请日：2018-07-02
Applicant: CITIC Dicastal CO., LTD.
Inventor： Haiping Chang , Lijuan Zhang , Shiwen Xu , Xuepu Yin , Hongwei Zhou , Zhixue Wang , Rui Li , Jin Zhang , Dawei Xu
Abstract: The present disclosure discloses a method for forming a rim of a cast-spun aluminum alloy hub, that is, a special spinning composite machining method for forming a structure that the spokes and the inner wheel flange of the hub are cast and the middle of the rim is spun. The method can prevent the performance, strength and as-cast structure of the inner wheel flange from being destroyed, effectively improve the impact resistance of the cast-spun hub at the inner wheel flange, prevent the inner wheel flange of the cast-spun hub from cracking during radial impact and improve the performance of the spun structure of the rim, is beneficial to thinning the rim and realizes light weight of the rim.
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公开(公告)号：US10919083B2
公开(公告)日：2021-02-16
申请号：US16026104
申请日：2018-07-03
Applicant: CITIC Dicastal CO., LTD.
Inventor： Zuo Xu , Haiping Chang , Lijuan Zhang , Shiwen Xu , Changhai Li , Zhihua Zhu
Abstract: A process for manufacturing an aluminum alloy wheel includes: casting, de-flashing, soaking, spinning, thermal treatment, de-gating, X-ray and machining. During the casting, a casting mold is cooled with water, and a cast blank is produced from carrying out the casting. The de-flashing includes removing flashes of the cast blank at a rim of the cast blank with a de-flashing device. The soaking includes reheating on the cast blank that has been de-flashed. The spinning includes an adaptive spinning mold. The thermal treatment includes direct solution treatment and aging on the cast blank in a thermal treatment furnace after spinning.
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公开(公告)号：US20190283107A1
公开(公告)日：2019-09-19
申请号：US16025884
申请日：2018-07-02
Applicant: CITIC Dicastal CO., LTD.
Inventor： Haiping Chang , Lijuan Zhang , Shiwen Xu , Xuepu Yin , Hongwei Zhou , Zhixue Wang , Rui Li , Jin Zhang , Dawei Xu
Abstract: The present disclosure discloses a method for forming a rim of a cast-spun aluminum alloy hub, that is, a special spinning composite machining method for forming a structure that the spokes and the inner wheel flange of the hub are cast and the middle of the rim is spun. The method can prevent the performance, strength and as-cast structure of the inner wheel flange from being destroyed, effectively improve the impact resistance of the cast-spun hub at the inner wheel flange, prevent the inner wheel flange of the cast-spun hub from cracking during radial impact and improve the performance of the spun structure of the rim, is beneficial to thinning the rim and realizes light weight of the rim.
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公开(公告)号：US20190283108A1
公开(公告)日：2019-09-19
申请号：US16026104
申请日：2018-07-03
Applicant: CITIC Dicastal CO., LTD.
Inventor： Haiping Chang , Lijuan Zhang , Shiwen Xu , Changhai Li , Zhihua Zhu
Abstract: Disclosed in the present disclosure is a process for manufacturing an aluminum alloy wheel. The process flow comprises: casting, de-flashing, soaking, spinning, thermal treatment, de-gating, X-ray and machining. The process reduces the cost by about 18 yuan/piece and reduces the weight of the finished product by 0.7-1.1 Kg by improving the casting production efficiency and the product quality, saving original cooling compressed air, canceling pre-machining, preheating and spinning the thermal blank, thermally treating the thermal blank and the like, has the cost equivalent to the comprehensive manufacturing cost of an ordinary cast wheel, and improves the market competitiveness of the cast-spun wheel. The process realizes short flow, light weight and low cost for manufacturing a cast-spun wheel, achieves intelligence of machining, and is suitable for automatic production of large-batch cast-spun wheels.
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