• Patent Title: DRAWING MACHINE, DRAWING METHOD AND DRAWING MANDREL
  • Application No.: US17914138
    Application Date: 2021-03-26
  • Publication No.: US20230130543A1
    Publication Date: 2023-04-27
  • Inventor: Hardy JUNGENUlf SERODEKarl THOELKE
  • Applicant: SMS group GmbH
  • Applicant Address: DE Duesseldorf
  • Assignee: SMS group GmbH
  • Current Assignee: SMS group GmbH
  • Current Assignee Address: DE Duesseldorf
  • Priority: DE102020108425.0 20200326
  • International Application: PCT/DE2021/100306 WO 20210326
  • Main IPC: B21C1/24
  • IPC: B21C1/24 B21C3/16
DRAWING MACHINE, DRAWING METHOD AND DRAWING MANDREL
Abstract:
To provide methods, apparatuses and drawing mandrels in which the shaping process can be monitored as closely as possible, a drawing machine and a drawing method manufactures or processes tubes, which extend in the direction of longitudinal extent, from a semi-manufactured product, wherein the drawing machine includes a drawing device for drawing a hollow workpiece formed by the tube and the semi-manufactured product in the direction of longitudinal extent, a drawing ring and a drawing mandrel and acts on the workpiece in a shaping manner via the drawing mandrel and the drawing ring while the workpiece is drawn by the drawing device around the drawing mandrel and through the drawing ring. A sensor is located on the drawing mandrel, or physical properties are measured in the interior of the workpiece and/or on the drawing mandrel using a sensor on the drawing mandrel.
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