A coating process for the middle beam frame of a loader

A coating process, the technology of the middle beam frame, which is applied in the directions of coating, transportation and packaging, and the device for coating liquid on the surface, can solve the problem of affecting the service life of the middle beam frame, difficult to ensure the corrosion resistance of the middle beam frame, and inability to Ensure chemical corrosion and other problems, achieve the effect of reasonable process arrangement and prolong service life

Inactive Publication Date: 2016-07-13
张永
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The middle sill is located under the vehicle body and is often in contact with muddy water. Even if the anti-corrosion coating with good water resistance and weather resistance is selected, it is difficult to ensure the adhesion quality of the anti-corrosion coating without a good coating process, and it is difficult to Ensure the corrosion resistance of the middle beam frame in poor working environment, thus affecting the service life of the middle beam frame
No matter how strong its structure is, there is no guarantee that chemical substances will corrode its surface

Method used

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Embodiment Construction

[0006] A coating process for the center beam frame of a loader. First, the center beam frame is assembled and welded into an integrated structure. The center beam frame is mainly composed of four bent plates, and the four bent plates include bent plate I, bent plate II, bent plate Plate III and curved plate IV are symmetrical in pairs, and curved plate I is divided into three sections. The angle between the first and second sections of curved plate I and the middle section is the same, and the angle range is between 150°-170° , the curved plate I and the curved plate IV are symmetrical to each other; the curved plate II is divided into three sections, the first and second sections of the curved plate II have the same angle as the middle section, and the angle range is between 120°-150° , Bending plate II and Bending plate III are symmetrical to each other; after assembly and welding, the specific spraying process is as follows: (1) Degreasing: Use cotton yarn or brush dipped in...

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PUM

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Abstract

The invention provides a process for coating a middle beam frame of a loading machine. After a middle beam frame structure is connected, the specific spraying process is as follows: deoiling; derusting; cleaning; priming; drying; polishing; scouring; performing topcoating: diluting black vinyl perchloride enamel, air-drying bituminous enamel or magnetized iron black hydroxyacid finish coat until the viscocity is applicable to construction, and then spraying the frame for once, wherein in order to obtain a vinyl perchloride enamel film with relatively large thickness, the black vinyl perchloride enamel is firstly sprayed for a thin pass and is uniformly sprayed for once after 20 minutes; drying, namely drying bituminous enamel and hydroxyacid finish coat for 24 hours and drying vinyl perchloride enamel for 6-8 hours. The process for coating the middle beam frame of the loading machine is reasonable in process arrangement and is capable of ensuring that the middle beam frame is well protected by coatings and prolonging the service life of the middle beam frame.

Description

technical field [0001] The invention relates to a coating process for a beam frame of a loader, belonging to the technical field of machinery. Background technique [0002] The car frame is also called the car chassis, such as light cars, trucks, buses and loaders, etc., most of them have frames, while cars and small and medium-sized cars generally have no frames. The frame is the foundation of the entire loader, the middle beam is the foundation of the frame, and many components are fixed on the middle beam. The middle sill is located under the vehicle body and is often in contact with muddy water. Even if the anti-corrosion coating with good water resistance and weather resistance is selected, it is difficult to ensure the adhesion quality of the anti-corrosion coating without a good coating process, and it is difficult to Ensure the corrosion resistance of the middle beam frame in poor working environment, thus affecting the service life of the middle beam frame. No mat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05D1/38B05D1/02B05D3/12B05D3/02B62D21/00
Inventor 何拥军何嘉圣何嘉贤赖卫华郭守亮韦柳祥
Owner 张永
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