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Title:
高強度鋼および超高強度鋼用の改良された冷間成形工具の製造方法および冷間成形工具
Document Type and Number:
Japanese Patent JP7340040
Kind Code:
B2
Abstract:
The invention relates to a method for producing a cold forming tool, particularly for cold forming super-high-strength steels, wherein the cold forming tool is the upper and/or lower tool of a forming tool set, wherein the cold forming tool is made of a metal material and has a forming surface that is designed so that a formed metal sheet has the desired final contour of the component, characterized in that a hard material layer is deposited on the forming surface of the forming tool by means of physical gas-phase deposition, wherein the hard material layer consists of a titanium nitride adhesive layer and alternating layers of aluminum titanium nitride and aluminum chromium nitride deposited thereon, wherein a titanium nitride top layer or alternatively a titanium carbon nitride top layer is deposited as the final layer as the outermost outer surface oriented toward a workpiece that is to be formed.

Inventors:
Nahif, Farwa
Falkingham, Mark
Application Number:
JP2021568751A
Publication Date:
September 06, 2023
Filing Date:
May 15, 2020
Export Citation:
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Assignee:
VOESTALPINE EIFELER VACOTEC GMBH
International Classes:
B21D37/20; C23C28/04
Foreign References:
US8746027
WO2018070195A1
Attorney, Agent or Firm:
Patent Attorney Corporation R&C