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Screen mesh processing has a variety of materials for processing, in addition to stainless steel material, a commonly used is cold drawn steel wire, of course, there is galvanized wire, hot dip galvanized wire, wire drawing and other information. Surface treatment: hot dip galvanized, cold dip galvanized, plastic spraying. Live mesh throughout for exhibitions, sample stands, etc. How to check these raw materials before making stainless steel screens?
Stainless steel screen before cold drawing, check each target, or check with dynamometer, confessed, can use steel wire. And do a good record in the process of use. Stainless steel screen after the end of two times, we should see whether the surface is cracked or part of the neck. After cold drawing process, the surface of steel wire is simply rusted, so anti-rust work should be done well. Rust steel screen in the process of use, the cold drawing rate should not be too fast, the belt should be pulled to the designated length or designated operating stress and then rest. Assuming that the welding discusses cracking, it can be cold-drawn after re-welding without crossing it twice. Of course, the review should be completed before inspection without cracks or machine damage. Stainless steel screen check disk cold drawn low carbon steel wire grade mechanical function. Six tensile tests of cold-drawn low carbon steel wire include two objectives: tensile strength and elongation.
Why is the screen finished after surface treatment? The stainless steel screen is locally ablated or ablates another part of the product so that two or more unrelated parts are bonded together. This stainless steel screen due to high temperature and discoloration, considering the beautiful problem, it is recommended to finish a whole pickling polishing stainless steel screen surface form a layer of passivation film, in nature it exists in the shape of more stable oxide. Can say, although stainless steel screen according to different conditions of use, the degree of oxidation is not the same, but will eventually be oxidized, this phenomenon is called corrosion. Stainless steel screen appearance dust and easy to remove dirt can be used for soap, weak detergent or warm water washing. Stainless steel screen appearance bleach and all kinds of acid attachment should be immediately washed with water, and then neutral carbonated soda solution or ammonia solution immersion, with warm water or neutral detergent wash. Stainless steel screen in the preparation process, due to the need to go through drawing, diameter, mesh, flat mesh and other links, so in the process of the appearance of the stainless steel screen will inevitably adhere to some oil or dirty scale, which requires the screen appearance cleaning and descaling, to ensure the appearance and quality. Stainless steel screen appearance of grease, oil, lubricating oil pollution using a soft cloth to wipe clean, then with ammonia solution or special detergent or neutral detergent cleaning.
The above is the reason for surface treatment after the completion of screen processing, the article comes from stainless steel screen http://www.huanawl.com/ is strictly prohibited without permission.