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Sheet material forming

A sheet metal and metal sheet technology, applied in the field of formed sheet materials, can solve problems such as difficult detection and the influence of formed materials, and achieve the effect of ensuring traceability

Inactive Publication Date: 2017-08-29
哈德利工业海外控股有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even minor tool misalignments can have an effect, sometimes significantly, on the formed material, but detection of such minor misalignments can be difficult

Method used

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  • Sheet material forming
  • Sheet material forming
  • Sheet material forming

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0113] now refer to Figures 1 to 4 , which shows a forming tool 1 for cold roll forming sheet material, which in this embodiment is a cylindrical roll former 1 . The tool 1 comprises a central forming drum 2, first and second ends 3, 4, an insert 5, a pair of retaining rings 6 and a locking mechanism 7 for releasably securing the insert 5 within the forming drum 2 .

[0114] The forming drum 2 takes the form of a hollow cylinder or roller which provides a base plate on which the forming surface 21 of the first profile is bonded on its outer peripheral surface. In this embodiment, the forming surface 21 of the first profile comprises a pattern of protrusions 21a arranged in an array of rows and columns. The forming drum 2 comprises at least one, preferably a pair of coaxial radial holes 22, 23, said holes 22, 23 being preferably centered along the longitudinal axis of the forming drum 2, or each of the holes 22, 23 comprising Counterbore holes 22a, 23a extending inwardly fr...

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Abstract

A formed sheet metal material (100) and methods, tools (1, 2, 8) and apparatus for forming the sheet metal material (100) in which a pattern of projections and depressions are cold worked in a first portion(101) and, simultaneously, indicia (103) is embossed in a second portion (102) of the sheet material(100). The cold worked portion (101) is formed with the projections and depressions configured and distributed such that lines drawn on a surface of the formed sheet material (100) between adjacent rows of projections and depressions are not rectilinear. The indicia (103) is indicative of the alignment between the tools (1, 2, 8).

Description

technical field [0001] The present invention relates generally to sheet material forming and more particularly to tools and methods for forming sheet material and formed sheet material. More particularly, although not exclusively, the present invention relates to methods and tools for cold forming one or more protrusions and / or depressions on one or more surfaces of a sheet of material, and the sheet of material so formed. Background technique [0002] Several methods of forming a sheet with protrusions are known, many of which involve passing the sheet between opposing tools to form more than one protrusion on the sheet. Some exemplary sheet forming methods include roll forming, such as cold roll forming, stamping and pressing such as stamping using a machine press or stamping machine, blanking, embossing, bending, hemming, knurling or embossing. [0003] The invention relates particularly, but not exclusively, to cold rolling, which is the process of shaping a material by...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D13/04B21D37/02
CPCB21D13/04B21D37/02B21D13/00B44B5/0047B44B5/026B21D31/00B21D37/00B21D47/01E04B2/789Y10T428/12389B32B15/01B32B3/30B21D11/20
Inventor 迈克尔·卡斯特路西
Owner 哈德利工业海外控股有限公司