Center shifted roll forming

a center-shifted, roll-forming technology, applied in the direction of transportation and packaging, thin material handling, web handling, etc., can solve the problems of relative difficulty in rolling form to the tight tolerances required in the aerospace industry, and is not capable of producing variations in shape, so as to prevent significant movement or buckling of the sheet of material

Inactive Publication Date: 2005-01-27
MCGUSHION KEVIN
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  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0010] In accordance of the present invention, a roll forming machine capable of forming the corrugated metal web of a sinusoidal structural member is provided. The preferred embodiment includes a material feeding means, a material guiding means, and at least two forming cylinders. The material feeding means receives a sheet of material, and is in material communication with the material guiding means. The material guiding means receives the sheet of material, guiding the sheet of material into the forming...

Problems solved by technology

With either choice of material, the construction of a structural member with a sinusoidal web is a challenge, in maintaining quality, tolerances, and minimizing costs.
Certain materials, such as titanium alloy 6-4, have considerable spring-back properties, making them rel...

Method used

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Embodiment Construction

[0021] The detailed description set forth below in connection with the appended drawings is intended as a description of presently-preferred embodiments of the invention and is not intended to represent the only forms in which the present invention may be constructed and / or utilized. The description sets forth the functions and the sequence of steps for constructing and operating the invention in connection with the illustrated embodiments. However, it is to be understood that the same or equivalent functions and sequences may be accomplished by different embodiments that are also intended to be encompassed within the spirit and scope of the invention.

[0022] An alternate embodiment of the present invention can be seen in FIG. 1. The sheet of material (18) is received by the feeding means (12) through the material inlet (24). The material inlet is aligned with the clearance (28) between the first forming cylinder (14) and the second forming cylinder (16). The aligned components allo...

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Abstract

A roll forming machine capable of forming the corrugated metal web of a sinusoidal structural member is provided. The preferred embodiment includes a material feeding means, a material guiding means, and at least two forming cylinders. The material feeding means receives a sheet of material, and is in material communication with the material guiding means. The material guiding means receives the sheet of material, guiding the sheet of material into the forming cylinders and preventing significant movement or buckling of the sheet of material. The forming cylinders are a set of at least two substantially aligned and parallel cylinders, having a separation between sufficient to receive the sheet of material. The forming cylinders can alternately orbit one around the other, one forming cylinder axis being held substantially stationary while the other forming cylinder orbits the stationary cylinder, bending the sheet of material and forming the desired web geometry.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application is entitled to the benefit of Provisional Patent Application Ser. No. 60 / 488,663 filed on Jul. 21, 2003.BACKGROUND [0002] 1. Field of Invention [0003] This invention relates generally to an improved roll forming mechanism. And, more particularly, this invention relates to an improved roll forming mechanism for the manufacture of the corrugated webbing of structural members for the aerospace industry. [0004] 2. Description of Prior Art [0005] In the aircraft industry, it is common to utilize I-beam like structural members having a sinusoidal web extending normally between a top and bottom flange. The generally sinusoidal shape of the web provides increased strength to weight performance, improved stiffness, and decreased volume. In order to accommodate the aircraft wiring harness, hydraulic and fuel lines, as well as immediate strength and volume requirements, the geometry of the web may vary from sinusoidal to planar, c...

Claims

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Application Information

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IPC IPC(8): B21CB21D5/06B21D11/07B21D13/04B21D13/10B65H19/28
CPCB21D11/07B21D13/10B21D13/045B21D13/04
Inventor MCGUSHION, KEVIN
Owner MCGUSHION KEVIN
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