Engineering oil cylinder coating method

A coating method and a technology of an oil cylinder, which are applied in the direction of the device for coating liquid on the surface, the coating, the pre-treated surface, etc., can solve the problems that the adhesion of the paint film cannot meet the user's requirements, and the corrosion resistance is difficult.
CN103071610BActive Publication Date: 2015-03-25CNHTC CHENGDU WANGPAI COMML VEHICLE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CNHTC CHENGDU WANGPAI COMML VEHICLE
Publication Date
2015-03-25
Patent Text Reader

Abstract

The invention discloses an engineering oil cylinder coating method which is characterized by consisting of the following steps of polishing, oil pre-removal, oil removal, four-in-one phosphorization, phosphating film drying, the spraying of red iron oxide epoxy primer TNE-HD001, the preparation of working lacquer liquid, the adoption of the red iron oxide epoxy primer, the spraying of the primer, napping, sootblowing and the spraying of finish; a product paint film has level and smooth appearance, and has no such quality defects as particles, bottom exposure, bubbles, needle holes, heat rash particles, wrinkled skin, flood and flying paint misty edges; and the paint film is fine, full and the color consists with that on a standard color disk. According to the engineering oil cylinder coating method, the total adhesive force of the paint film is less than or equal to Level 1 (GB / T9286-88); and no whitening, bubbles or rust spots occur 720 hours after a neutral salt spray resistance test of the paint film is taken.
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Description

technical field

[0001] The invention relates to the technical field of coating, in particular to a coating method for an engineering oil cylinder. Background technique

[0002] The surface of the engineering cylinders produced by most engineering cylinder companies is as smooth as a mirror after thread turning. And in the process of welding, assembly and pressure test in the later stage, splash liquid, hydraulic oil and sweat stains firmly adhere to the surface of the engineering cylinder and the thread groove. This has brought great difficulties to the later painting to achieve adhesion ≤ level 1 (GB / T9286-88), and corrosion resistance to ensure that it will not rust for five years. Although people have gone through many ideas and changed different processes, they have not been able to solve the problem that the paint film adhesion meets the user's requirements normally for a long time. Contents of the invention

[0003] The purpose of the present invention is to overco...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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