Method for directly casting and rolling aluminum plate base for PS plate with electrolytic aluminium liquid

A technology of electrolytic aluminum liquid and aluminum plate base, applied in metal rolling, profile control, roll speed control, etc., can solve the problems of high cost, long process flow, shortened process flow, etc., and achieve high-quality results

Active Publication Date: 2008-12-10
登电集团铝加工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the hot rolling method is that it needs to cut the head and tail, face milling and heating, the process is long and the cost is high
The casting and rolling method does not need to cut the head and tail, does not need to mill the face, improves the yield, does not need

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: The method for producing an aluminum plate base for a PS plate by direct casting and rolling of electrolytic aluminum liquid according to the present invention comprises the following steps: (1) sending the high-temperature electrolytic aluminum liquid at 920°C to the smelting furnace, adding aluminum liquid For an aluminum ingot with a total weight of 20%, the temperature of the melt is controlled at 740°C, and the mass percentages of the elements in the melt are adjusted as follows: Si: 0.1%, Fe: 0.3%, Cu: 0.06%, Ti: 0.02%, and the balance Al; (2) Use pure nitrogen with a purity greater than 99.999% to spray the powder spraying refining agent SY-PJ1 into the melt for refining, the amount of powder spraying refining agent SY-PJ1 is 0.1% of the weight of the molten aluminum, stir evenly, and refine The time is 8 minutes, and then stand still for 25 minutes to remove the scum on the surface of the molten aluminum, and then introduce the melt into the static ...

Embodiment 2

[0016] Embodiment 2: The method for producing an aluminum plate base for a PS plate by direct casting and rolling of electrolytic aluminum liquid according to the present invention comprises the following steps: (1) sending the high-temperature electrolytic aluminum liquid at 920°C to the smelting furnace, adding aluminum liquid For an aluminum ingot with a total weight of 25%, the melt temperature is controlled at 750°C, and the mass percentages of the elements in the melt are adjusted as follows: Al: 99.55%, Si: 0.1%, Fe: 0.35%, Cu: 0.07%, Ti: 0.03%, the balance is Al; (2) Use pure argon gas with a purity greater than 99.999% to spray the powder spraying refining agent SY-PJ1 into the melt for refining, and the amount of powder spraying refining agent SY-PJ1 is 0.3% of the weight of the aluminum liquid %, stir evenly, the refining time is 9 minutes, then stand still for 20 minutes, remove the scum on the surface of the molten aluminum, introduce the melt into the standing fur...

Embodiment 3

[0017]Embodiment 3: The method for producing the aluminum plate base for PS plates by direct casting and rolling of electrolytic aluminum liquid according to the present invention comprises the following steps: (1) sending the high-temperature electrolytic aluminum liquid at 920°C to the smelting furnace, adding aluminum liquid For an aluminum ingot with a total weight of 30%, the temperature of the melt is controlled at 760°C, and the mass percentages of the elements in the melt are adjusted as follows: Si: 0.12%, Fe: 0.32%, Cu: 0.08%, Ti: 0.03%, and the balance Al; (2) Use pure nitrogen with a purity greater than 99.999% to spray powder spraying refining agent SY-PJ1 into the melt for refining, the amount of powder spraying refining agent SY-PJ1 is 0.4% of the weight of molten aluminum, stir evenly, and refine The time is 10 minutes, and then stand still for 15 minutes to remove the scum on the surface of the molten aluminum, and then introduce the melt into the static furnac...

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PUM

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Abstract

The invention relates to a method for cast-rolling to produce aluminum substrates used in PS plates directly by electrolytic aluminum liquid; the main steps are as follows: electrolyzing the aluminum liquid under the high temperature, smelter hearth, adjusting element compositions, refining, conducting the furnace, adjusting the temperature to 740 DEG C to 750 DEG C, adding Al-Ti-B refiners to carry out the grain refinement, degassing, filtering, cast-rolling coils of strip, cool rolling, stretch bending and straightening, and producing finished products; various steps of the invention are synthesized to optimize technique parameters; the prepared aluminum substrates used in the PS plates is high in tensile strength and elongation, and the quality of the prepared aluminum substrates are better than that of similar products, thus omitting the remelting process when aluminum ingots are used, saving resources, reducing the production cost and increasing the economic and social benefits.

Description

technical field [0001] The invention relates to a production method of an aluminum plate base for a PS plate, in particular to a method for producing an aluminum plate base for a PS plate by direct casting and rolling of electrolytic aluminum liquid. Background technique [0002] Offset printing is the main method of contemporary printing. Today's offset printing plates, whether it is the traditional PS plate or the CTP plate introduced in recent years, are all pre-coated photosensitive plates with aluminum substrates as the support. PS plate is the abbreviation of pre-coated photosensitive plate. It is a lithographic plate with pre-coated photosensitive layer that can be used for printing at any time. It is made by coating non-silver photosensitive (thermal) resin layer. The PS plate has the advantages of high resolution, strong reproducibility, clear writing, convenient automatic plate-making and printing, and high economic benefits, and has been highly valued by the prin...

Claims

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Application Information

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IPC IPC(8): B23P17/00C22C21/00C22C1/02C22B21/06C22F1/04B21B1/46B21B37/74B21B37/46B21B1/22B21B37/28
Inventor 胡冠奇程国典牛荟晓范振杰袁文晓毕书军武进道李朝宏
Owner 登电集团铝加工有限公司
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