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Automated pipe forming press comprising a light source for measuring the internal contour of the pipe

A technology of inner contour and light source, used in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of complex and complicated processes, and achieve the effect of saving structural space

Inactive Publication Date: 2013-09-25
SMS MEER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process is further complicated when steel materials with different strengths and correspondingly different forming properties are to be formed into grooved tubes
The industrial production of such grooved tubes is therefore a significantly complex process due to numerous disturbance variables such as sheet metal thickness fluctuations and batch fluctuations as well as springback after forming

Method used

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  • Automated pipe forming press comprising a light source for measuring the internal contour of the pipe
  • Automated pipe forming press comprising a light source for measuring the internal contour of the pipe
  • Automated pipe forming press comprising a light source for measuring the internal contour of the pipe

Examples

Experimental program
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Embodiment Construction

[0036] figure 1 The shaping of a flat product 1 into a grooved tube or tube preform 2 with an approximately circular cross section is shown in eight working steps a) to h). In step a), the flat product 1 is shown with preformed edge regions 1a, 1b. The edge regions 1a, 1b are usually shaped beforehand outside the tube forming press. As shown in step b), the forming process starts in a tube press by threading the flat product 1 between the two supports 4 a , 4 b and the forming brace 3 . The forming support 3 is again moved liftably approximately vertically towards the flat product 1 between the two supports 4a, 4b. The incorporation of local shaping into the flat product 1 is then achieved under the cooperation of the supports 4 a , 4 b and the actual forming tool 3 a of the forming brace 3 . In working steps a) to d) the first side of the flat product is formed into a grooved tube cross-section, while in steps e) to h) the right side of the flat product 1 is gradually form...

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Abstract

The invention relates to a device for shaping flat products (1) into slit pipes or primary pipe products (2), comprising at least one internal shaping tool (3) for the at least stepwise shaping of the flat product (1) in the radial direction of the cross-section of the slit pipe or primary pipe product to be produced, and at least one external shaping tool (4) for shaping the flat product (1) from the exterior, characterized in that at least one light source (7) and at least one receiver (8) for measuring at least the internal contour of the slit pipe or primary pipe product are connected to at least one internal shaping tool (3). The invention further relates to a method for shaping flat products (1) into slit pipes or primary pipe products (2), with at least one internal shaping tool (3) for shaping the flat product (1) in the radial direction of the cross-section of the slit pipe or primary pipe product to be produced, and at least one external shaping tool (4) for shaping the flat product (1) from the exterior, characterized in that at least one light source (7) and at least one receiver (8) are connected to at least one internal shaping tool (3) and detect the local contour or shape of the shaped flat product (1) at least during the shaping process.

Description

technical field [0001] The invention relates to a device and a method for forming flat products (Flachprodukt) into grooved pipes (Schlitzrohre) or pipe preforms (Rohrvorprodukt), which comprise the process of forming the flat products in the grooved pipe or pipe preform to be produced - at least one inner forming tool for at least step-by-step radial shaping of the cross-section and at least one outer forming tool for shaping the flat product from the outside. Background technique [0002] The manufacture of especially thick-walled pipes (for example for pipeline applications etc.) is usually achieved by progressively forming flat products into so-called grooved pipes. In the first case, the sheet metal is helically wound such that its side edges rest against one another and a tube with a circular cross section is produced by introducing a helical weld seam. In an alternative manufacturing process, the flat product is progressively formed over its entire length into a fina...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C37/08B21C51/00B21D5/01
CPCB21C37/0815B21C51/00B21D5/015B21C37/08B21D5/01
Inventor M.克劳豪森M.科尔贝R.罗伦茨U.费尔德曼J.范桑滕J.福克森
Owner SMS MEER
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