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Substrate with sanded surface, method of making the same, and tin/chrome-plated sheet

A technology of tin-plated plates and substrates, used in manufacturing tools, metal rolling, metal rolling, etc., can solve problems such as corrosion resistance and content corrosion, and achieve good protection, not easy to damage, and strong universality. Effect

Active Publication Date: 2022-08-02
SHAGANG GROUP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the use of the necked cans or easy-open ends made of such tin-plated / chrome-plated plates, the necked area or the pre-scored film (after the easy-opened The opening direction of the cover) is easily corroded by the contents and cannot meet the requirements of corrosion resistance

Method used

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  • Substrate with sanded surface, method of making the same, and tin/chrome-plated sheet
  • Substrate with sanded surface, method of making the same, and tin/chrome-plated sheet
  • Substrate with sanded surface, method of making the same, and tin/chrome-plated sheet

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Embodiment Construction

[0042] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0043] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0044] As mentioned in the background art, at present, the necked tank (attached figure 1 ) or easy-open lid (with figure 2 ) The surface morphology of the selected tin-plated plate / chrome-plated plate is R1 (...

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Abstract

The invention discloses a preparation method of a substrate with a sanding surface, which includes: providing a leveling machine, which includes a first frame and a second frame, and the first frame includes a first work roll and a third oppositely arranged work rolls Work rolls, the second frame includes a second work roll and a fourth work roll oppositely arranged, the first work roll and the second work roll are located on the same side; the first work roll is an EDM texturing roll, and the second work roll is Grinding smooth rolls; the surface roughness of the first work roll is 1.6 to 2.2 μm, and the surface roughness of the second work roll is 0.35 to 0.75 μm; Passing between the second work roll and the fourth work roll forms a sanded surface on the first surface of the substrate. After the above-mentioned substrate with a sanded surface is tin-plated or chrome-plated, when it is processed into a necked can or an easy-open lid, the coating at the necked and pre-scribed positions is not easily damaged, and has good corrosion resistance.

Description

technical field [0001] The invention relates to the technical field of metal material processing, in particular to a substrate with a sanded surface, a preparation method thereof, and a tin plate / chrome plate. Background technique [0002] Tin-plated / chrome-plated sheets are widely used in beverage packaging. Usually, steel billets are hot-rolled into strips of about 2.0mm in steel mills, and then subjected to pickling, annealing, leveling, tin / chrome plating, passivation and other processes. After that, it is made into tin plate / chrome plate, and then through the process of iron printing and can making, it is made into a can body, which is used to hold various beverages. Since the contents contained are acidic, high protein and other substances, tin plate / chrome plate products are required to have high corrosion resistance. [0003] Currently, the necked tank (attached figure 1 ) or easy-open lid (with figure 2 ) The surface morphology of the selected tin-plated plate / c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B1/38B24B1/00C25D3/30C25D3/08C25D5/50C25D9/04
CPCB21B1/38B24B1/00C25D3/30C25D5/505C25D3/08C25D9/04B21B2001/386B21B2267/10B21B1/227B21B2265/12C25D5/12
Inventor 黄久贵俞炜郭宏
Owner SHAGANG GROUP