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Model components for hot stamping dies

A technology of hot stamping dies and models, applied in the direction of cores, casting molds, forming tools, etc., can solve the problems of reducing the ability to control the cooling rate, limiting the surface area of ​​heat transfer, and reducing the ability to change the microstructure

Active Publication Date: 2022-04-29
FORD MOTOR CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In multiple areas of the mold, gun drilled cooling channels reduce the ability to control the cooling rate and can limit the heat transfer surface area available for cooling in the mold
These limitations reduce the ability to impart microstructural variation in hot stamped products

Method used

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  • Model components for hot stamping dies
  • Model components for hot stamping dies
  • Model components for hot stamping dies

Examples

Experimental program
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Embodiment Construction

[0016] As required, specific embodiments of the invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.

[0017] In embodiments, the present disclosure describes processes and tooling for forming hot stamping dies for shaping vehicle components.

[0018] figure 1 and figure 2 A mold assembly 100 or die mold for forming a casting hot stamping die with conformal channels is shown. The mold assembly 100 includes a lower mold 110 that includes an upper surface 112 or upper forming surface. The low...

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PUM

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Abstract

The present disclosure relates to a mold assembly for a hot stamping die. The mold assembly includes a mold having a body defining a cavity and a removable channel insert. The removable channel insert is positioned in the cavity and has a curved shape. The removable channel insert also includes a plurality of protrusions integrating the channel insert with the body. The removable channel insert is configured to form inlets and outlets for fluid in the hot stamping die when the channel insert is removed.

Description

technical field [0001] The present disclosure relates to utilizing conformal channels to cool molds. Background technique [0002] Hot stamping is a metal forming process that may involve heating an article or part to be formed and then stamping the article while the article is still at an elevated temperature. For example, when hot stamping a steel article, the article may be heated to a temperature at which the microstructure of the steel transforms to austenite (eg, austenitizes). Depending on the composition of the steel, this temperature can be around 900°C-950°C. [0003] In some hot stamping processes, a die that provides a stamping pattern of the desired shape for the stamped article may be cooled. A cooled die cools the article as it is being stamped. If the cooling rate of the die is high enough, the microstructure of the stamped article can transform into a high strength phase. In the case of steel components, sufficient cooling rates can result in a martensit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D37/10B21D37/16
CPCB21D37/10B21D37/16B21D37/01B21D22/022B22C9/02B33Y10/00B33Y80/00B28B1/001
Inventor 弗林德尔·辛格·萨伊尼
Owner FORD MOTOR CO