A tool for hot stamping metal sheets, formed least partially of a base block and a functional layer, is proposed. The functional layer comprises cooling channels and multiple functional layers, which building upon each other create the connection to the base block. The cooling channels are designed as a cooling channel array and are produced in a laser sintering method.

Method and strip steel knife from a steel strip having a bainite and decarburized surface. The steel strip has a generally rectangular cross-section, and the method includes machining a plurality of beveled surfaces in a region of a longitudinal edge of the steel strip to create at least a cutting surface defining a longitudinal cutting edge; first hardening at least a part of the cutting surface to form a first cutting edge region of the longitudinal cutting edge; smoothing the cutting surface of at least the first cutting edge region toward the longitudinal cutting edge; and at least one further hardening in the first cutting edge region to form a distal cutting edge region of the longitudinal cutting edge within the first cutting edge region having an increased material hardness with respect to the first cutting edge region located outside the distal cutting edge region.

Methods, devices, and apparatus for processing a strip of material including: measuring and feeding the strip of material to a predetermined length; and making broaching cuts on the strip of material using a plurality of cutting tools configured to make a plurality of angled cuts.

A vanadium silicon nitride film formed as a hard film to a base material satisfies 0.30a/b1.7 and 0.24b0.36 when a=vanadium element concentration [at %]/(vanadium element concentration [at %]+silicon element concentration [at %]+nitrogen element concentration [at %]) and b=silicon element concentration [at %]/(vanadium element concentration [at %]+silicon element concentration [at %]+nitrogen element concentration [at %]), and has a hardness of 2300 HV or more.

Provided is a hot-working tool capable of maintaining adequate toughness even if the permissible amount of P contained in the hot-working tool is increased. The present invention is a hot-working tool, which has a component composition that can be adjusted to a martensitic structure by quenching and has a post-quenching and tempering martensitic structure, wherein: the component composition comprises greater than 0.020 mass % to 0.050 mass % of P; prior austenite grain diameter in said post-quenching and tempering martensitic structure is at least No. 9.5 in grain size number according to JIS-G-0551; and the P concentration of the grain boundary of said prior austenite particles is not more than 1.5 mass %. A hot-working tool wherein said component composition also comprises not more than 0.0250 mass % of Zn is preferable. The present invention also is a method for manufacturing a hot-working tool in which quenching and tempering are performed on a hot-working tool material with said component composition.

Provided is a hot-working tool capable of maintaining adequate toughness even if the permissible amount of P contained in the hot-working tool is increased. The present invention is a hot-working tool, which has a component composition that can be adjusted to a martensitic structure by quenching and has a post-quenching and tempering martensitic structure, wherein: the component composition comprises greater than 0.020 mass % to 0.050 mass % of P; prior austenite grain diameter in said post-quenching and tempering martensitic structure is at least No. 9.5 in grain size number according to JIS-G-0551; and the P concentration of the grain boundary of said prior austenite particles is not more than 1.5 mass %. A hot-working tool wherein said component composition also comprises not more than 0.0250 mass % of Zn is preferable. The present invention also is a method for manufacturing a hot-working tool in which quenching and tempering are performed on a hot-working tool material with said component composition.

There is provided a metal product having an internal space formed therein, allowing for improvements in the flow of a coolant in the internal space, such as a cooling channel and an increase in cooling efficiency, and a method of manufacturing thereof. The metal product includes a body part having a first space formed therein; a space formation member having a second space formed therein, mounted on the body part to be communicated with the first space; and a finishing part forming an exterior by covering the space formation member in a state in which the space formation member is mounted on the body part.

There is provided a metal product having an internal space formed therein, allowing for improvements in the flow of a coolant in the internal space, such as a cooling channel and an increase in cooling efficiency, and a method of manufacturing thereof. The metal product includes a body part having a first space formed therein; a space formation member having a second space formed therein, mounted on the body part to be communicated with the first space; and a finishing part forming an exterior by covering the space formation member in a state in which the space formation member is mounted on the body part.

A score die including a body with a generally planar first surface. The first surface includes a score blade. The score blade has a number of cutting portions, and, each cutting portion has a substantially uniform cross-section.

A method for designing a first forming element for a forming tool that is intended for forming workpieces is provided. The forming tool includes the first forming element and at least one second forming element. The method includes the steps of: providing first data, characterizing an element geometry of the first forming element; providing second data, characterizing the second forming element; by way of an electronic computing device, carrying out a forming simulation on the basis of the first and second data, where a forming of a workpiece that is brought about by way of the forming elements is simulated by way of the forming simulation and a forming geometry of the workpiece; comparing the forming geometry with a predetermined target geometry; and if a difference determined by the comparison between the forming geometry and the target geometry exceeds a predetermined threshold, changing at least the first data.