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Baking finish of water-soluble silicon sheet varnish

A silicon steel sheet varnish, water-soluble technology, applied in flow characteristics, devices for coating liquid on the surface, measuring devices, etc., can solve the problems of water-soluble silicon steel sheet varnish, such as poor baking process and affecting product quality, and achieve easy operation , energy-saving social benefits, and the effect of smoothing the surface of the paint film

Active Publication Date: 2007-10-10
SHANDONG QILU ELECTRIC MOTOR MFG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of poor baking process of the current water-soluble silicon steel sheet paint, which affects product quality, etc., to provide a scientific and reasonable, simple and easy to implement, and adopt reasonable process flow and process parameters to make the surface of the baked sheet Water-soluble silicon steel sheet paint with smooth paint film, uniform thickness, no edge thickening, good baking effect, and environmental protection and energy saving

Method used

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Experimental program
Comparison scheme
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Embodiment Construction

[0014] The present invention will be further described below in combination with specific embodiments.

[0015] A kind of paint-baking process of water-soluble silicon steel sheet paint, its technological process is:

[0016] a. Preparation before painting;

[0017] a.1. Punch inspection: there should be no oil stains, dirt, etc. on the surface of the punch; if there are rust spots and scales, use a brush to remove them; The height should meet the drawing requirements, otherwise it should be deburred again on the deburring machine.

[0018] a.2. Viscosity adjustment of silicon steel sheet paint: use 4 # Check the viscosity of the paint with a Ford cup, and if it is converted to 100±10S at 23°C, if there is any deviation, you can add tap water or original paint to adjust. During use, the paint in the paint bucket should be stirred at any time, and the viscosity should be measured once every shift.

[0019] a.3. Inspection and adjustment of painting machine: check whether th...

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PUM

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Abstract

A varnish baking technology for the water-soluble varnish of silicon steel sheet includes such steps as cleaning the punched silicon steel sheets, regulating the viscosity of said varnish, turning a varnish coating machine on, coating varnish on the silicon steel sheets, inspecting by testing its insulating resistance, and delivering the qualified silicon steel sheets to next step while returning the unqualified ones for coating vanish again.

Description

technical field [0001] The invention relates to a paint-baking process for stator segments of air-cooled turbogenerators, in particular to a paint-baking process for water-soluble silicon steel sheet paints that use imported water-soluble silicon steel sheet paints to bake stator segments. Background technique [0002] At present, for the baking varnish of generator stator segments in China, silicon steel sheet varnish containing organic solvents is mostly used, and the varnish is baked on a two-roller paint machine. The solvents of silicon steel sheet paint are mostly toluene, xylene, etc. The volatilization of organic solvents will seriously endanger the health of operators and pollute the environment. At the same time, the temperature of the baking paint is too high, the leveling of the paint is poor, and the edge of the paint film is thickened. Therefore for many years, the same industry in China has been devoting itself to the research and development of water-soluble ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D1/28B05D3/00B05C11/10G01N11/00G01N27/04
Inventor 魏景生卢启杰崔同彤李良刘燕
Owner SHANDONG QILU ELECTRIC MOTOR MFG