Method for producing substrate of precoated sensitive plate from aluminum alloy

A technology of pre-coating photosensitive and aluminum alloys, which is applied in metal rolling and other directions, can solve the problems of only 20,000 to 30,000 prints, plate drop, and low printing durability of pre-coated photosensitive plates, and achieve the effect of improving strength

Inactive Publication Date: 2009-01-07
中铝河南铝业有限公司
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AI Technical Summary

Problems solved by technology

Under normal circumstances, the printing durability of the pre-coated photosensitive plate is generally around 100,000 impressions, and the printing durability of the pre-coated photosensitive plate after baking can be increased by 3 to 5 times, reaching 300,000 to 500

Method used

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Embodiment Construction

[0034] As shown in Figure 1, a method for producing a pre-coated photosensitive plate base using aluminum alloy according to the present invention is: raw material inspection, smelting, pre-furnace analysis of content, composition adjustment, furnace guidance, refining, temperature adjustment, on-line processing , casting, ingot inspection, face milling, heating, hot rough rolling, hot finish rolling, cold rough rolling, recoil trimming, cold finish rolling to finished products, stretching, straightening, cleaning, cutting, packaging and storage.

[0035] Raw material inspection: Raw materials must be clean, free from oil and dirt.

[0036] Melting: After adding the charge, sprinkle the covering agent. The smelting temperature is 740-760°C. Stirring is strengthened during the smelting process to speed up the melting speed to ensure uniform chemical composition and temperature of the melt, and timely remove scum on the surface.

[0037] Pre-furnace analysis: After the material...

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Abstract

The invention discloses a method for producing a pre-coated photographic plate substrate by adopting an aluminum alloy which mainly includes the following components of: 0.15 to 0.30 percent of Fe, less than 0.10 percent of Si, less than 0.03 percent of Cu, less than 0.03 percent of Mn, 0.13 to 0.25 percent of Mg, less than 0.03 percent of Zn, 0.01 to 0.02 percent of Ti, the signal content of other impurities is less than 0.03 percent, the total amount is equal to or less than 0.15 percent; the Al is equal to or more than 99.45 percent; the pre-coated photographic plate is mainly produced by a cast ingot by adopting the methods of thermal rolling and cold rolling; the method of the invention adopts the methods of thermal rolling and cold rolling to roll and the adjusting of the alloy components to solve the technical difficulty that a medical foil turns soft when passes through an oven and improve the intensity of the medical foil.

Description

technical field [0001] The invention belongs to the field of nonferrous metal processing, in particular to a method for producing a precoated photosensitive plate base by using aluminum alloy. Background technique [0002] The pre-coated photosensitive plate is a printing plate that is pre-coated with a photosensitive layer on an aluminum plate and then sold to a printing factory. It consists of two parts: the photosensitive layer that accepts the image and the carrier (plate base) of the photosensitive layer. Nitrogen, nitro and other photosensitizers and resins are used to prepare photosensitive glue, which is coated on the plate base and can be stored for later use after drying. The aluminum base of the pre-coated photosensitive plate is the carrier of the photosensitive layer of the pre-coated photosensitive plate, that is, a thin aluminum plate with a thickness of 0.15mm and 0.27mm. [0003] At present, the base materials used in large quantities are 1050A, 1060, etc. ...

Claims

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Application Information

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IPC IPC(8): C22C21/00B23P15/00B21B1/22
Inventor 王京海王力华熊晓明张传合高作文刘辉史欣段玉波余晓刚
Owner 中铝河南铝业有限公司
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