Topic
Stamping
About: Stamping is a research topic. Over the lifetime, 22501 publications have been published within this topic receiving 83554 citations.
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TL;DR: In this paper, a four-operation stamping process was developed to eliminate both the fracture and wrinkle defects occurred in the stamping of the top cover case of a notebook top case.
16 citations
Patent•
14 Dec 2011
TL;DR: In this article, a swing stamping mechanism is characterized by also comprising a numerical control device and a swing feeder installed at the rear side of the stamping machine, where the swing feeders are respectively connected with the lifting control device, the transverse translation driving device and the material moving conveyer to transmit control commands.
Abstract: The utility model relates to a swing stamping mechanism which comprises a stamping machine, wherein the stamping machine comprises a punch press frame, a lifting stamping die installed on the punch press frame, and a lifting control device used for driving the lifting stamping die to conduct stamping operation. The swing stamping mechanism is characterized by also comprising a numerical control device and a swing feeder installed at the rear side of the stamping machine, wherein the swing feeder comprises a fixed bracket, a movable rack which is arranged on the fixed bracket and can conduct transverse translation along a direction vertical to a material moving direction relative to the fixed bracket, a transverse translation driving device which is arranged between the fixed bracket and the movable rack and used for driving the movable rack to conduct transverse translation, and a material moving conveyer which is arranged on the movable rack and can convey materials to move along the material moving direction; and the numerical control device is respectively connected with the lifting control device, the transverse translation driving device and the material moving conveyer to transmit control commands. The swing stamping mechanism not only can reduce working procedures and improve production efficiency, but also can reduce the waste of raw materials.
16 citations
TL;DR: In this article, the coupon-level Twist Compression Test (TCT) is modified to perform elevated temperature experiments and used to rank the lubricants in terms of their steady-state coefficient of friction and resistance to lubricant breakdown as a function of temperature.
16 citations
Patent•
06 Jul 2011
TL;DR: In this article, a printing system consisting of a paper releasing unit, a paper rolling unit, an inkjet digital printing unit, and a sticking and cold stamping unit is described.
Abstract: The utility model discloses a printing system for realizing on-line variable information content gold stamping. The printing system comprises a paper releasing unit, a paper rolling unit, an inkjet digital printing unit and a sticking and cold stamping unit, wherein a continuous printing stock is released from the paper releasing unit to the paper rolling unit to be rolled; the inkjet digital printing unit is arranged between the paper releasing unit and the paper rolling unit; and characters or/and patterns are jetted on the continuous printing stock by using a cold stamping glue; and the sticking and cold stamping unit is arranged behind the inkjet digital printing unit to coat a film on the characters or/and patterns jetted by using the cold stamping glue, dry and remove the film to finish the gold stamping. By the printing system, content of variable information can be continuously printed on line, and the gold stamping can be continuously performed on the variable information on line.
16 citations
TL;DR: In this article, high-resolution transmission electron microscopy (TEM), X-ray diffractometry (XRD), energy dispersive spectroscopy (EDS) and hardness test were used to study the re-dissolution and re-precipitation behavior of nano precipitates of the spray-formed fine-grained Al−Cu−Mg alloy during rapid cold stamping deformation.
16 citations