Method for the individual tracking of metallic hollow bodies

A technology of hollow body and metal, which is applied in the field of tracking metal hollow body alone, can solve the problems of design cost and achieve the effect of fast marking

Inactive Publication Date: 2011-05-25
V&M DEUT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is complex with regard to the design of the cables or hose guides for the power supply and marking unit via sliding contacts
[0018] In the case of markings that wrap around the tube in a closed circle, this often also leads to radial overwriting of the track in the region of the start or end Thus the code here is no longer readable

Method used

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  • Method for the individual tracking of metallic hollow bodies
  • Method for the individual tracking of metallic hollow bodies
  • Method for the individual tracking of metallic hollow bodies

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] figure 1 A schematic diagram of the method according to the invention is shown, wherein the tube circumference is marked with two sections. Shown is an expanded view of the circumference of the tube 1 , wherein the tube circumference is marked with a data matrix code 4 by two axially offset segments 2 over a range of 180° in each case.

[0035] 1. Right click figure 1 Description of the first implementation form of the marking unit

[0036] In order to implement the method according to the invention according to figure 1 The marking unit used can be described as follows, where device features are not shown and can be modified according to enterprise requirements.

[0037] a. The tube 1 to be marked is stationary on the roller table.

[0038] b. A motor-driven rotating ring with a marking unit is provided around the pipe 1, the center of which is matched to the center of the pipe via a height adjustment device. Furthermore, the rotary ring can be moved along the tub...

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PUM

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Abstract

The invention relates to a method for the individual tracking of metallic hollow bodies, in particular hot-fabricated steel tubes, wherein following a final step of hot-work the individual tube is provided with a distinctive identification on the tube circumference, which is read in the feed region to the subsequent manufacturing or test stations automatically as a video image during transport and independently from the direction of transport. According to the invention, the labeling of the tube circumference is carried out in at least two segment-like sections, the tube circumference being divided, wherein the labeling is carried out in segments with a rotation of less than 360 DEG of the numbering unit and the segments comprise an axial offset relative to the longitudinal axis of the tube, which is greater than the width of the data matrix code.

Description

technical field [0001] The invention relates to a method according to the preamble of claim 1 for the individual tracking of metallic hollow bodies, in particular hot-worked steel tubes. Background technique [0002] The traceability of the finished product, ie when, where and how it was produced, is of decisive importance when regulating the heat-processed tubes within the framework of optimizing quality assurance and costs during the processing. [0003] Inextricably linked thereto is the unique identification of each individual tube as it passes through all predetermined processing and inspection steps. Individual tracking is a central theme, especially in areas with typical mass production, such as in pipe rolling mills where hundreds or thousands of individual tubes are moved, processed and inspected simultaneously. [0004] In the past, different methods were used to identify each individual tube in a traceability sense, but these methods are no longer suitable for to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K1/12G06K19/06G06V30/224
CPCG06K19/06037G06K1/121G06K19/06046B21C51/005B42D2035/14B21C37/06
Inventor D·范韦尔M·阿赫特坎普M·艾希勒
Owner V&M DEUT GMBH
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