公开(公告)号：US20210268567A1

公开(公告)日：2021-09-02

申请号：US17272248

申请日：2019-09-26

Applicant: Cell Impact AB

Inventor： Erika HENRIKSSON

IPC: B21J9/02 ,  B21D28/00 ,  B21J7/28

Abstract: A method for material forming, by means of a movable impact head and tool combination and a drive unit includes moving the drive unit to provide kinetic energy to the impact head and tool combination, for the impact head and tool combination to strike a work material, so as to form the work material. A return movement of the movable impact head and tool combination, away from the work material, after the strike of the work material by the impact head and tool combination, is dampened.

公开(公告)号：US20200180010A1

公开(公告)日：2020-06-11

申请号：US16793958

申请日：2020-02-18

Applicant: CELL IMPACT AB

Inventor： Anders IVARSON ,  Erika HENRIKSSON ,  Alem BULJUBASIC

IPC: B21J9/20 ,  B30B15/16 ,  B21J13/02 ,  B21J13/06 ,  B21J9/12

Abstract: A method of processing a material by use of high kinetic energy comprises a piston driven from a start position by a hydraulic system pressure by a drive chamber, by only one stroke, to transfer high kinetic energy to a blank/tool to be processed, whereafter there is a risk that a rebound of the piston will occur, so a step is taken in connection with said stroke performed, to prevent said piston from making a rebound with an essential content of kinetic energy to avoid negative effects as a result, whereafter the piston is returned to said start position by means of a second chamber, wherein a valve means closes the driving connection between the system pressure and the piston, the valve means is controlled by a pilot valve controlling the entire striking progress, and the second chamber is pressurized with the system pressure during the entire striking progress.

公开(公告)号：US20240261848A1

公开(公告)日：2024-08-08

申请号：US18638176

申请日：2024-04-17

Applicant: Cell Impact AB

Inventor： Erika HENRIKSSON

IPC: B21J9/02 ,  B21D28/00 ,  B21J5/00 ,  B21J7/28 ,  B30B15/06

CPC classification number: B21J9/02 ,  B21D28/002 ,  B21J5/00 ,  B21J7/28 ,  B30B15/065

Abstract: A method for material forming uses a movable tool and a drive unit the method including moving the drive unit to provide kinetic energy to the tool, for the tool to strike a work material, so as to form the work material the method including providing an impact head between the drive unit and the movable tool, and providing the kinetic energy to the tool by the drive unit striking the impact head, the impact head (extending in the direction of the stroke from an impact end to a base region, where the base region is closer to the tool than the impact end. The method includes arranging the impact head so that the impact end has laterally, in relation to the direction of the stroke, a smaller extension than the base region.

公开(公告)号：US20230356286A1

公开(公告)日：2023-11-09

申请号：US17906668

申请日：2021-03-17

Applicant: Cell Impact AB

Inventor： Erika HENRIKSSON

IPC: B21J7/28 ,  B21J13/04 ,  B21J5/00

CPC classification number: B21J7/28 ,  B21J13/04 ,  B21J5/00

Abstract: The invention relates to an apparatus for material forming, by means of a tool (41) and a drive unit (2), the apparatus being arranged to move the drive unit (2) to provide kinetic energy to the tool (41), for the tool (41) to strike a work material (W), so as to form the work material (W), the apparatus being provided with an impact head (4″) between the drive unit (2) and the tool (41), and the apparatus being arranged to provide the kinetic energy to the tool by the drive unit (2) striking the impact head (4″), wherein at least a region of the impact head (4″) is allowed to move in relation to the tool (41) laterally to a direction of the stroke of the drive unit, whereby the impact head is arranged to expand laterally in relation to the tool. The invention also relates to a method for material forming.

公开(公告)号：US20220371072A1

公开(公告)日：2022-11-24

申请号：US17272257

申请日：2019-09-26

Applicant: Cell Impact AB

Inventor： Erika HENRIKSSON ,  Jon NIEMINEN

IPC: B21D28/00 ,  B21D22/02 ,  B21J7/04 ,  B21J7/30 ,  B21J7/28

Abstract: A method for material forming and/or cutting by means of a tool and a drive unit. The method includes moving the drive unit to provide kinetic energy to the tool, for the tool to strike a work material, so as to form and/or cut the work material when the tool is operatively disassociated from the drive unit before the tool strikes the work material.

公开(公告)号：US20170136522A1

公开(公告)日：2017-05-18

申请号：US15127683

申请日：2015-03-06

Applicant: CELL IMPACT AB

Inventor： Anders IVARSON ,  Erika HENRIKSSON ,  Alem BULJUBASIC

IPC: B21J9/20 ,  B21J13/06 ,  B21J9/12

Abstract: A method of processing a material by use of high kinetic energy comprises a piston driven from a start position by a hydraulic system pressure by a drive chamber, by only one stroke, to transfer high kinetic energy to a blank/tool to be processed, whereafter there is a risk that a rebound of the piston will occur, so a step is taken in connection with said stroke performed, to prevent said piston from making a rebound with an essential content of kinetic energy to avoid negative effects as a result, whereafter the piston is returned to said start position by means of a second chamber, wherein a valve means closes the driving connection between the system pressure and the piston, the valve means is controlled by a pilot valve controlling the entire striking progress, and the second chamber is pressurized with the system pressure during the entire striking progress.