Patents by Inventor Tiehao ZHANG

Tiehao ZHANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20200180160
    Abstract: An automated wire drawing system for a side wall of a railway vehicle and a process method using the system for wire drawing operation are provided. The automated wire drawing system comprises a central control system, a robot, a wire drawing device, a railway, a laser measurement system, an offline programming software and an electronic system, so that the wire drawing operation of the side wall of a vehicle body can be automatically finished. The process method can realize the automated flexible and intelligent wire drawing operation, the change of the surface shape of a work piece within a certain range can be automatically adopted, and a constant normal wire drawing force is always maintained, to achieve the optimal wire drawing effect.
    Type: Application
    Filed: August 29, 2017
    Publication date: June 11, 2020
    Applicant: CRRC QINGDAO SIFANG CO., LTD.
    Inventors: Hao LU, Tiehao ZHANG, Chuanqi TAO, June JING