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Hot stamping measurement tool and use method thereof

A technology for measuring tooling and hot stamping, which is applied in the direction of material thermal conductivity, etc., can solve the problems of affecting the surface morphology of the mold and shortening the life of the mold, and achieve the effect of avoiding high-temperature sheets, improving life and product performance, and rich functions

Pending Publication Date: 2018-04-13
SAIC-GM-WULING AUTOMOBILE CO LTD
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AI Technical Summary

Problems solved by technology

[0005] The plate will be oxidized when heated in a high-temperature furnace. During the hot stamping process, the peeled off scale will aggravate the wear of the mold, seriously affect the surface morphology of the mold, and shorten the life of the mold

Method used

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  • Hot stamping measurement tool and use method thereof
  • Hot stamping measurement tool and use method thereof
  • Hot stamping measurement tool and use method thereof

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Embodiment Construction

[0044] The specific embodiments of the present invention are given below in conjunction with the accompanying drawings, but the present invention is not limited to the following embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in very simplified form and use imprecise ratios, which are only used for the purpose of conveniently and clearly assisting in describing the embodiments of the present invention.

[0045] Please refer to figure 1 , figure 1 Shown is a schematic structural diagram of the hot stamping measurement tooling in a preferred embodiment of the present invention. The present invention proposes a hot stamping measuring tool, including:

[0046] Electric induction heating device 101, data collector 102, computer 103, indenter insert 104, clamp 105 connected to the tensile rod on the single-drawing machine, test insert 106, sheet material 107, tes...

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Abstract

The embodiment of the invention provides a hot stamping measurement tool and a use method thereof. The hot stamping measurement tool is refitted based on an ordinary single pull machine and mainly comprises devices of a water cooling substrate, an insert made of a mould material, a clamp for clamping the insert, a batten for testing, a plate material movement driving device, a device for heating aplate material, a thermoelectric couple for monitoring a temperature, a data collector, a computer for data observation and the like. According to the hot stamping measurement tool disclosed by the embodiment of the invention, the heating device, the testing device and the driving device are arranged on the same platform; varieties of parameters of a contact heat transfer coefficient between a hot stamping plate material and a mould, convective heat transfer coefficient of a runner, friction abrasion of the module and the like can be measured; the hot stamping measurement tool has the advantages of high automation degree, strong operability and rich functions; the parameters obtained from the testes can provide accurate input for hot press simulation analysis and has important significance in prolonging service life of the hot stamping mould and improving product performance.

Description

technical field [0001] The invention relates to the field of thermoforming such as hot stamping, in particular to a novel multifunctional tooling and a measurement method for measuring parameters such as contact heat conduction coefficient and convective heat transfer coefficient. Background technique [0002] With the continuous improvement of the automobile industry's requirements for safety performance and product lightweight, high-strength steel is more and more widely used in various parts of automobiles. At present, hot stamping can effectively solve the technical bottlenecks of easy cracking and difficult size control in the forming process of high-strength steel, and can minimize the thickness of the car body under the premise of ensuring strength and crash performance. It is a key technology in the process of automobile lightweight. [0003] Hot stamping technology involves temperature field-stress field coupling and fluid-solid coupling, and the material properties...

Claims

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Application Information

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IPC IPC(8): G01N25/18
CPCG01N25/18Y02P10/25
Inventor 黄宗斌罗爱辉朱灯宏徐伟力韦超忠许冰黄红端
Owner SAIC-GM-WULING AUTOMOBILE CO LTD
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