Continuous processing method of printed color coated steel plates at normal temperature

A processing method, color coating technology, applied to the surface coating liquid device, coating, surface pretreatment, etc., can solve the problems of increased production cost, inconvenient production, difficult control of process quality, etc., to achieve long-term aging resistance Performance and shelf life, cost savings, ease of production

Inactive Publication Date: 2010-12-15
CHANGSHU HUAYE STEEL STRIP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Although this method can be produced continuously, it requires three coats and three bakes. The same baking time is the same in the same curing furnace, and the quality of the color steel plate cannot be controlled as the film thickness increases. Moreover, it still needs to be baked in the curing furnace after printing. When the film thickness of the steel plate is different, so the baking time is different, it is difficult to control the quality of the process of entering a furnace three times, which is inconvenient for production and increases the production cost.

Method used

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  • Continuous processing method of printed color coated steel plates at normal temperature
  • Continuous processing method of printed color coated steel plates at normal temperature

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Embodiment Construction

[0017] As shown in the accompanying drawings, a continuous processing method for printed color coated steel sheets at room temperature of the present invention comprises the following steps:

[0018] A) Uncoiling and docking, uncoiling the color coated steel plate substrate in the steel coil state with an uncoiler, so that the steel coils are unrolled into steel strips, and after uncoiling, the steel strips unrolled on each steel coil are welded head to tail by welding, That is to say, the steel strips unfolded on the adjacent steel coils are connected to each other, so as to meet the requirements of the subsequent continuous processing process and obtain the steel plate to be cleaned.

[0019] B) degreasing cleaning, introducing the steel plate to be cleaned obtained by step A) into a degreasing tank filled with degreasing agent solution for degreasing, in the degreasing tank, the consumption of degreasing agent is 5g / L, the temperature of degreasing agent solution is 70 ℃, st...

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Abstract

The invention relates to a continuous processing method of printed color coated steel plates at normal temperature, which comprises the following steps: A) uncoiling and butting; B) degreasing and cleaning; C) carrying out passivation treatment; D) coating a primer layer; E) printing at the normal temperature; and F) coating a finish coat layer. The method can lead patterns of the color coated steel plates to be the same with those of coating layers of the steel plates, and even realize longer anti-aging performance and longer shelf life; simultaneously, the printing does not need to bake during the production process and only needs to pass through a curing furnace twice, the production is more convenient and reasonable, and the production cost is saved.

Description

technical field [0001] The invention relates to the technical field of color-coated steel plates, in particular to a continuous processing method for printed color-coated steel plates at room temperature. Background technique [0002] The steel plate obtained by pre-treating the surface of cold-rolled steel sheet, hot-dip galvanized steel sheet, galvanized steel sheet or aluminum-coated steel sheet, and then coating and color-coating the surface is called color-coated steel sheet, which is customarily called color-coated steel sheet in the industry. , and then called the color plate. Of course, this kind of plate is also called an organic coated steel plate. Since the coatings of various colors on the surface of the colored coated steel plate are pre-coated before the steel plate is processed and formed, it is called a pre-coated steel plate abroad. [0003] Color-coated steel plates are widely used in the construction industry, shipbuilding industry, vehicle manufacturing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D5/06B05D7/14B05D3/00B05D3/02B05D3/10B05D3/12
Inventor 徐金刚王珏张洵吕敬九
Owner CHANGSHU HUAYE STEEL STRIP
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