The zigzag surface extrusion linear lampshade designed by customers involves a variety of materials and processes, including PC (polycarbonate) and PMMA (polymethylmethacrylate) as the main materials. These materials have the advantages of high light transmittance, high temperature resistance, non fragile, good electrical insulation, and stable size, which are suitable for LED lamps.
In the production process of extruding linear lampshade, the screw rotation of plastic extruder is usually used to generate pressure and shear force, so that the materials are fully plasticized and mixed, and then formed through the die. This process can realize continuous production and is suitable for many types of lampshades, such as high transmittance diffusion type, frosted type, etc.
The zigzag surface extrusion linear lampshade is a special lampshade design. Its surface has zigzag protrusions. This design can achieve different optical effects, and can greatly reduce the unsightly appearance caused by the surface lines. This zigzag protrusion is arranged in a ring around the main lighting area, and its tooth shape is evenly distributed within the size range. The main purpose of this design is to reduce the light transmittance of the auxiliary lighting area and enhance the light transmittance of the main lighting area through diffuse reflection, so as to effectively eliminate the light shadow in the passenger compartment and improve the ride comfort.
In addition, this kind of lampshade is usually co extruded with polycarbonate (PC) material. Coextrusion molding process is an advanced plastic molding method, which can simultaneously use multiple extruders to supply different melt streams, and then merge and coextrusion in a compound head to obtain multi-layer composite products. This method can greatly reduce the cost of products, simplify the process, reduce equipment investment, and is widely used in the production of profile.
In the production process of the zigzag surface extrusion linear lampshade, the surface shot peening device is usually implanted into the extrusion line to ensure the consistency and uniformity of the lampshade surface treatment state. This technology integrates extrusion processing and shot peening, which not only reduces the processing cost, but also improves the processing efficiency and product uniformity.
Through special structural design and advanced production technology, the saw tooth surface extrusion lampshade has achieved excellent optical performance and cost-effectiveness, and is suitable for applications requiring complex optical effects, such as rail vehicle lighting.
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