Manufacture method of Z-shaped steel sheet pile through continuous cold roll forming

A manufacturing method and technology of cold-bending forming, which is applied in the field of roll-type continuous cold-bending forming of Z-shaped steel sheet piles, can solve the problems of high energy consumption in hot-rolled forming, lack of cold-bending continuous forming processing technology, etc., and achieve high production efficiency , fast and flexible delivery, and convenient production organization

Inactive Publication Date: 2011-06-29
NANJING WANHUI STEEL SHEET PILING
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Problems solved by technology

[0005] The purpose of this invention is to solve the problems of high energy consumption in hot rolling forming of Z steel sheet piles and the lack of corresponding reasonable cold-bending continuous forming processing technology, and to invent a kind of steel sheet pile with reasonable deformation, long mold life, high production effect and high quality of finished products. Roller type continuous cold bending forming manufacturing method of Z-shaped steel sheet pile

Method used

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  • Manufacture method of Z-shaped steel sheet pile through continuous cold roll forming
  • Manufacture method of Z-shaped steel sheet pile through continuous cold roll forming
  • Manufacture method of Z-shaped steel sheet pile through continuous cold roll forming

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Embodiment Construction

[0050] The present invention will be further described below in conjunction with the drawings and embodiments.

[0051] Such as Figure 1-6 Shown.

[0052] A Z-shaped steel sheet pile whose cross section is a Z-shaped structure. It has two locks A, B and two waists C, such as figure 1 As shown, it can be used Figure 3-6 The method shown and the continuous rolling die are continuously cold-formed. The continuous deformation process of the steel plate during the forming process is as figure 2 Shown. Refer to the roll forming mold for each process Figure 3-6 To design, as the key to continuous cold bending is the selection of deformation process and method, and deformation angle. The specific manufacturing process includes:

[0053] 1. Slitting strip steel

[0054] The hot-rolled coil is slit to the width of the process design on the slitting unit

[0055] 2. Uncoiling and leveling

[0056] The hot-rolled coil after slitting is opened on the decoiler on the cold bending forming unit,...

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Abstract

The invention discloses a manufacture method of a Z-shaped steel sheet pile through continuous cold roll forming by continuously rolling and forming with a cold bending unit and distributing preliminary shafts at both sides of a central shaft. Web plates are continuous so as to greatly improve the modulus and the flexible rigidity of a cross section and fully exert the mechanical characteristic of the cross section. The manufacture process takes great effects in aspects, such as controlling the quality of the cold-bent Z-shaped steel sheet pile, improving the matched accuracy and the connection strength of the preliminary shafts of the steel sheet pile, and the like. The invention controls the product size and overcomes the defects generated in the processing process by performing the preliminary shafts of the cold-bent Z-shaped steel sheet pile and wholly forming the Z-shaped steel sheet pile.

Description

Technical field [0001] The invention relates to a method for producing metal building materials, in particular to a method for manufacturing steel sheet piles by cold bending, in particular to a method for manufacturing Z-shaped steel sheet piles by continuous cold bending. Background technique [0002] As we all know, steel sheet piles began to be produced in Europe at the beginning of the 20th century, and they have quickly been widely used all over the world, especially in developed industrialized countries. In the 1950s, my country's first railway bridge cofferdam construction was introduced and used by the Bridge Bureau of the Ministry of Railways from the former Soviet Union. Due to the influence of cheap land resources and human resources, and the domestic production is basically in a blank state, the application and development of steel sheet piles as metal building materials in my country is still very slow. With the rapid development of my country's economy, various fa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D11/10
Inventor 王圣清胡兆成胡钲雨
Owner NANJING WANHUI STEEL SHEET PILING
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