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Determination of bending deduction for sheet metal workpieces to be bent

A metal plate and workpiece technology, which is applied in the field of shortening the length of metal plate workpieces, can solve problems such as difficult implementation

Active Publication Date: 2021-07-09
TRUMPF MASCHEN AUSTRIA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] Methods according to prior art are often not easy to implement

Method used

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  • Determination of bending deduction for sheet metal workpieces to be bent
  • Determination of bending deduction for sheet metal workpieces to be bent
  • Determination of bending deduction for sheet metal workpieces to be bent

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Embodiment Construction

[0054] At the outset, it is to be noted that in the different embodiments described, like parts have the same reference numerals and / or the same component names, where the disclosure contained throughout this specification can be similarly transferred to Reference numerals and / or the same part of the same component name. Furthermore, selected position indications in the description, such as on top, on bottom, on the side, refer to the directly described and depicted figures and in the event of a change in position, these position indications shall be transferred analogously to the new position. For the sake of clarity, not all elements have been provided with reference numbers in all figures.

[0055] figure 1 and figure 2 The lengths and distances to be determined on a sheet metal workpiece 1 which has been bent around a bending axis 2 with a bending angle alpha are shown. As used in the present invention for estimating around perpendicular to figure 1 and figure 2 The...

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Abstract

The invention relates to a method for estimating the reduction in length of a sheet metal workpiece bent around n bending axes and at n bending angles alpha, comprising the following steps: the bent sheet metal workpiece comprises the following steps: n+1 branches from which the extension line extends and n arc portions generated by bending the sheet metal workpiece and extending between two adjacent branches.

Description

technical field [0001] The invention relates to a method for estimating the shortened length of a sheet metal workpiece bent about n bending axes and at n bending angles alpha, wherein the bent sheet metal workpiece comprises a line extending along a straight extension n+1 branches of , and n arc-shaped portions produced by bending a sheet metal workpiece and extending between two adjacent branches. [0002] The letter n represents a natural number; that is, n=1, 2, 3, 4.... Background technique [0003] A difficulty in bending a metal strip about a bending axis is that the original length of the metal strip is chosen such that the bent metal strip has defined dimensions. During the bending operation, according to the standard teaching, compression is produced inside the bending area, while the material outside the bending area is subjected to tension, based on the workpiece to be bent. Due to many influencing factors, the degree of compression and tension of the workpiece...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B3/56G01B5/02B21D5/00
CPCB21D5/006B21D7/14G01B3/566G01B5/02B21D5/0263
Inventor 哈拉尔·克奈丁格
Owner TRUMPF MASCHEN AUSTRIA