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Stamping

About: Stamping is a research topic. Over the lifetime, 22501 publications have been published within this topic receiving 83554 citations.


Papers
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Proceedings ArticleDOI
10 Nov 2003
TL;DR: The author proposes applying hybrid position/force control for shear spinning, which is free from fine adjustment of the clearance, and the effectiveness of the proposed method was experimentally verified.
Abstract: Metal spinning is a plasticity forming process that forms a metal sheet or tube by forcing the metal onto a rotating mandrel using a roller tool. This is a study on metal spinning applying robot control techniques such as force feedback control with the aim to develop flexible and intelligent forming processes, and to expand a new application area for robot control. An experimental setup was developed for gathering basic data on the forming process. Some results of preliminary experiments are presented. The influence of the clearance between the roller and mandrel is also discussed. The author proposes applying hybrid position/force control for shear spinning, which is free from fine adjustment of the clearance. The effectiveness of the proposed method was experimentally verified.

23 citations

Proceedings ArticleDOI
TL;DR: In this article, the authors present models that can be used to predict the energy requirements, global warming potential, human health impacts, and costs of making drawn parts using zinc (kirksite) die-sets and hydraulic or mechanical presses.
Abstract: Little work has been done on quantifying the environmental impacts and costs of sheet metal stamping. In this work, we present models that can be used to predict the energy requirements, global warming potential, human health impacts, and costs of making drawn parts using zinc (kirksite) die-sets and hydraulic or mechanical presses. The methodology presented can also be used to produce models of stamping using other die materials, such as iron, for which casting data already exists. An unprecedented study on the environmental impacts and costs of zinc die-set production was conducted at a leading Michigan die-maker. This analysis was used in conjunction with electrical energy measurements on forming presses to complete cradle-to-gate impact and cost analyses on producing small batch size hood and tailgate parts. These case studies were used to inform a generalized model that allows engineers to predict the impacts and costs of forming based on as little information as the final part material, surface area, thickness, and batch size (number of units produced). The case studies show that the press electricity is an insignificant contributor to the overall impacts and costs. The generalized models highlight that while costs for small batch production are dominated by the die-set, the environmental impacts are often dominated by the sheet metal. These findings explain the motivation behind the research into die-less forming processes such as incremental sheet forming, and emphasize the need to minimize the sheet metal scrap generation in order to reduce environmental impacts. [DOI: 10.1115/1.4034670]

23 citations

Journal ArticleDOI
TL;DR: In this paper, the behaviour modelling of Ti-6Al-4V alloy at temperatures between 400°C and 500°C was investigated to obtain greater formability than at room temperature, whilst remaining below SPF conditions.

23 citations

Patent
09 Jun 2010
TL;DR: In this paper, a high security, high accuracy and thermal forming martensite steel part preparing method was proposed, which belongs to the field of obtaining controlling and cooling technology of the hotstamping forming part of the alloy steel plate.
Abstract: The invention provides a high security, high accuracy and thermal forming martensite steel part preparing method, which belongs to the field of obtaining controlling and cooling technology of the hotstamping forming part of the alloy steel plate, the martensite works as the matrix structure of the alloy steel plate. The method adopts the processes as follows: a steel plate is heated to 20 to 250DEG C above the Ac3 temperature, therefore an austenite structure can be obtained, then the steel plate is transferred to the stamping die for forming by stamping; simultaneously, the temperature of the stamping die is controlled in a range of 100 to 400 DEG C, 5 to 60 seconds later after stamping forming, the formed component parts can be taken out of the stamping die. The method has the advantages that a well ductility and security can be obtained, and the anti-susceptibility of the steel can be greatly enhanced.

23 citations

Patent
23 Mar 1993
TL;DR: In this paper, a fastener for attaching components of an eyeglass frame together is described, which includes a pin having a smooth or fluted shank and a belleville washer having a hole for receiving the shank, the hole being sized to provide an interference fit with the washer.
Abstract: A fastener useful for attaching components of an eyeglass frame together. The fastener includes a pin having a smooth or fluted shank and a belleville washer having a hole for receiving the shank, the hole being sized to provide an interference fit with the washer. The washer is made from a titanium nickel shape memory alloy in an optimized elastic condition. The optimized elastic condition is provided by work hardening a sheet of Ni-Ti and cutting or stamping the washer out of the sheet. The washer is also plastically deformed into a conical shape.

23 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023150
2022280
2021190
20201,138
20191,801
20182,032