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Last Updated ：2023/07/05
Production of aluminum metal sign blanks
Although the structure of metal sign blankss is simple, it is one of the most important transportation facilities.The metal sign blanks has brought great convenience to our life, and has played a role of dredging, guiding and warning for the transportation environment.So what are the rules of the traffic in the process of making a metal sign blanks?
1. Aluminum plate production
The metal sign blanks is made of aluminum alloy plate. We measure it with tape measure and micrometer.The size of the aluminum plate allows the deviation to be plus or minus 5mm. If the size of the aluminum plate is larger than 1.2m, the allowable deviation shall be plus or minus 0.5% of its dimensions.The thickness of aluminum plate of xinyi aluminum in henan cannot be less than 1.5mm, and its allowable deviation value varies with thickness and width.
2. Aluminum groove production
The measuring tape and micrometer of the generated aluminum tank shall be tested, and the thickness allowable deviation shall be plus or minus 0.2mm, and the aluminum groove shall be weighed.
3. The rivet provides a sampling inspection of the weight and shape of the rivets. The diameter of the rivets should not be less than 4mm. 【Aluminum metal sign blanks】
4. There are no cracks, wrinkling, edge peeling, uneven color, etc.
5. Test of finished aluminum signs
After the sign has been completed, check it to see if there are cracks, wrinkling, edge stripping, obvious bubbles, scratches and other injury phenomena.The sign layout should be flat, with no obvious dent in the surface.
6. Check the joints, when the length or width of the logo plate and the diameter is less than the maximum width of the face mask, there should be no joint seam.When the joints are not avoided, the joints shall be connected to the main, and the overlapped parts shall not be less than 5mm.In the dark night open environment, 10 m from logo layout, for automobile headlamps in light source, vertical irradiation logo layout, visual symbol layout in different areas of the same material, same color, back reflection performance have obvious difference.【Aluminum metal sign blanks】
