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    • 64. 发明申请
    • METHOD AND DEVICE FOR COATING SCALED FORMING PRODUCTS WITH A LUBRICANT
    • 用润滑剂涂覆成型产品的方法和装置
    • US20160303628A1
    • 2016-10-20
    • US14902395
    • 2014-07-02
    • ECOFORM Umformtechnik GmbH
    • Harri WEINHOLD
    • B21C9/00
    • B21C9/005
    • A method and a device allow scaled strand-shaped metal forming products to be coated with a solid lubricant for the purpose of a forming process in a downstream drawing process while preventing the removal of scale layers present on the metal forming product or solid layers which contain scale. At the same time, the prerequisites for substantially improving the stability of the downstream drawing process and the quality of the produced products should be met. In the method, the scaled forming product is coated with a solid lubricant prior to the downstream drawing process and formed with a degree of deformation in excess of 3%. The forming product is then drawn through at least one accumulation chamber in order to mix the scale particles produced from the scale layer as a result of the forming process with the lubricant provided on the forming product after the forming process.
    • 一种方法和装置允许缩放的股线形金属成形产品被涂覆有固体润滑剂,用于下游拉伸工艺中的成型工艺,同时防止存在于金属成形产品或固体层上的氧化皮层,其含有 规模。 同时,要实现大幅提高下游拉丝工艺的稳定性和生产产品质量的先决条件。 在该方法中,在下游拉伸工艺之前,定标成型产品用固体润滑剂涂覆并形成超过3%的变形度。 然后,成形产物通过至少一个聚集室被抽吸,以便在成形过程之后,通过成型工艺与形成产品上提供的润滑剂混合由氧化皮层产生的氧化皮颗粒。
    • 68. 发明申请
    • POINT FORMING PROCESSES
    • 要点形成过程
    • US20140345355A1
    • 2014-11-27
    • US14457426
    • 2014-08-12
    • National Machinery LLC
    • Thomas E. HayDonald E. Krintzline
    • B21C1/32B21C25/02B21C9/00
    • B21C1/32B21C9/00B21C25/02B21J3/00B21J9/022
    • A set of tooling for a progressive forming machine comprising die and tool units having internal complementary cavity portions for receiving a workpiece, one of said units being arranged to slide a limited distance along its axis and to be biased by a spring force towards the other unit when the units are mounted in the forming machine, the units each having an end face with a smooth surface finish adapted to press against the smooth surface finish of the end face of the other unit, the end face area of one of the units being relatively small compared to its major cross-sectional area whereby a high contact pressure between the end faces is obtained for a given spring bias force such that extrusion/cooling oil coating a workpiece received in the cavity portions is restrained from leakage from the cavity portions across said end faces during a hydrostatic trapped extrusion of the workpiece in the die and tool units whereby the die and tool units are capable of shaping the workpiece to a degree beyond limits of conventional cold-forming processes.
    • 一种用于渐进式成型机的工具,包括具有用于接收工件的内部互补空腔部分的模具和工具单元,所述单元中的一个被布置成沿其轴线滑动有限的距离并且通过弹簧力朝向另一单元 当单元安装在成型机中时,每个具有光滑表面光洁度的端面的单元适于压靠另一单元的端面的光滑表面光洁度,其中一个单元的端面区域相对 与其主横截面积相比较小,由此在给定的弹簧偏压力下获得端面之间的高接触压力,使得涂覆容纳在空腔部分中的工件的挤出/冷却油被限制在穿过所述空腔部分的空腔部分的泄漏 在工件在模具和工具单元中的静水力捕获挤出期间的端面,由此模具和工具单元能够将工件成形为 超过传统冷成型工艺的极限。