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product structure design| Detailed explanation of the design of the light guide column ①

1. Common light guide column forms and design reference principles Materials: The material of the light guide column is transparent, and PC and PMMA are generally used. Hot melt method: The light guide column is generally mounted to the upper shell by hot melt. The diameter of the hot melt column is generally 00~20mm, and the one-sided gap of the hot melt hole is 0.05~ 0.10 mm. Fitting clearance: The one-sided fitting clearance between the light guide column and the surface shell hole is 0.10~0.15mm.

2. When designing the light guide column, its form and layout should also be considered. Generally, transparent materials (such as PC, PMMA) are used as the material and are hot-melted into the shell. The diameter is usually 00 - 20mm, and the one-sided gap of the hot-melt hole is 0.05 - 0.10 mm. The one-sided fitting gap between the light guide column and the surface shell hole is 0.10 - 0.15mm, and the gap between the light guide column and the surface of the light guide is about 0.50mm.

3. The design points of the Bluetooth headset light guide are as follows: Material selection: transparent or translucent materials: Commonly used materials such as PMMA or PC. Surface treatment: biting, dyeing or serrated surface treatment: Avoid exposure of internal components while protecting the appearance from scratches. Rough shop fire pattern: Common surface treatment methods are commonly used to improve product aesthetics. Assembly method: Snap assembly: Snap assembly is achieved by slightly deforming the shell to ensure easy installation and production efficiency.

4. The light guide column is the core component in the design of Bluetooth headphones. It not only needs to be practical, but also should be attractive. This article will discuss in detail the design key points of the light guide column for Bluetooth headphones. In terms of material selection, the light guide column usually uses transparent or translucent materials such as PMMA or PC, such as Chi Mei's PMMA C205 or GE's PC141R.

5. Four magnets are arranged at the bottom of the cockpit to attract the charging box cover and fix the headphones. The middle and sides are designed with atmosphere light guide columns. Battery and power management: The charging box has a built-in lithium-ion battery with a nominal voltage of 7V and a rated capacity of 400mAh.

6. Close-up of the indicator light structure on the motherboard and wrapped in a rubber cover to avoid light leakage. Four light guide columns are exposed to feed back the remaining power of the charging box. Four LED indicators are close-up and covered with black foam to block the light.

Does anyone know what material is used for injection molding the intercom shell?

1. Recycling of plastic casings The intercom casings are mostly made of ABS engineering plastics, which have the characteristics of impact resistance, heat resistance, and easy processing.

2. The outer shell of the intercom is made of plastic and is made of ABS+PC, but some merchants use recycled plastic for the sake of being cheaper. Because the price difference between the two is large (there is a difference of 2 to 3 times), there will be illegal merchants using recycled plastic for cheaper prices. However, recycled plastic is harmful to the human body and affects health. Zhongnuo intercom! Remind you! When buying walkie-talkies, you should carefully identify the material of the walkie-talkie. Plastic recycled to the stove is harmful to human health.

3. Handheld products such as intercom casings, toothbrush handles, power tool handles, wrenches and thermos cups to improve the hand feel. Products with multiple color appearance requirements, such as keyboards, are beautiful and not easy to wear through two-color injection molding. Products that require local plating, such as buttons on feature phones, are partially plated through two-color injection molding. For products that need to be waterproof, the waterproof function is achieved through two-color injection molding.

4. Durability and operation design The shell is made of ABS material, which is corrosion resistant, high temperature resistant, and flame retardant, and has passed more than 100 quality tests.

5. TPE coated PC is mainly used for coating electronic and electrical accessories such as hardware tool handles, mobile phone protective covers, game console handles, intercom casings, and instrument casings. The solution provided by this solution can ensure that the products have good hand feel, aesthetics and added value, and meet the environmental protection requirements of exporting to developed countries and regions such as the United States, Japan and the European Union.

6. In this process, the material injected first is called the substrate material, and the material injected subsequently is called the covering material.

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