公开(公告)号：US20190292654A1

公开(公告)日：2019-09-26

申请号：US16223346

申请日：2018-12-18

Applicant: CITIC Dicastal CO., LTD.

Inventor： Zaide WANG ,  Huanming MA ,  Junfu LI ,  Shengchao ZHANG ,  Qingwang WEI ,  Meng LIU

IPC: C23C14/35 ,  B05D1/06 ,  B05D3/02 ,  C23C22/78 ,  C23C14/20 ,  C23C14/02 ,  C23C14/58

Abstract: The disclosure provides an anti-aging periodic variable reaction black chromium coating film, sequentially comprising: an aluminum alloy matrix, a silane conversion film, a high-gloss organic resin coating, a metal compound and metal element periodic variable content alloy coating film, and a transparent resin coating. The disclosure simultaneously provides a method for forming the anti-aging periodic variable reaction black chromium coating film.

公开(公告)号：US20190224792A1

公开(公告)日：2019-07-25

申请号：US16024266

申请日：2018-06-29

Applicant: CITIC DICASTAL CO., LTD

Inventor： Weidong LIU ,  Xiaoyu JIANG ,  Xuesong WANG ,  Shengchao ZHANG ,  Haiping CHANG ,  Yingfeng WANG ,  Dan YAO

IPC: B23Q3/06 ,  B23Q11/00 ,  B21D53/30

Abstract: A fixture for suppressing tool vibration on an outer rim, wherein a pressure claw base, an end face block and a base are installed on the chuck, and the pressure claw is installed on the chuck; a lower pressure plate is fixed on the base, limiting columns and an upper pressure plate are installed on the lower pressure plate, with steel balls and a rubber strip being enclosed in a space formed by the lower pressure plate and the upper pressure plate; and a rubber strip is enclosed in an annular groove formed by a jaw A and a jaw B, and can move radially in the groove. The fixture in the present invention is configured to counteract the vibration of the wheel rim during machining, and thus can effectively eliminate the problem of tool vibration on the outer rim.