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Jul 28,2022

Modern Automobile will develop self-developed automotive chips

Hyundai Mobis, the parts department of Hyundai Motor Group, is in talks with South Korean fabless chip companies to develop self-developed automotive chips. In addition, Hyundai also shared some of its automotive semiconductor specifications. Analysts say this move reflects the South Korean automaker's intention to achieve controllability through cooperation with South Korean chip manufacturers, reduce dependence on foreign semiconductor supply chains, and solve supply problems more quickly. It is reported that Hyundai Motor and Hyundai Mobis have recently shared some specifications of the automotive semiconductors they are using with South Korean System Semiconductor Company. The list they provided includes 8 types of analog semiconductors, including microcontroller units (MCUs), display driver integrated circuits, and power management integrated circuits, especially MCUs. They demonstrated the design specifications of a 32-bit chip based on the 65 nanometer process. IT Home Link: Most automotive chips in the industry are imported from overseas. The main sources include Infineon from Germany, ST Microelectronics from Switzerland, NXP from the Netherlands, and Texas Instruments from the United States.

Modern Automobile will develop self-developed automotive chips

Jan 10,2022

How to prevent car lamp caps from turning yellow

The front headlights of a car are made of polycarbonate plastic, which makes them more durable, but it can also lead to potential hazards - accumulation and oxidation. When the sun shines on the headlights, the holes in the polycarbonate plastic on the surface of the headlights expand, which accelerates oxidation and yellowing inside the headlights, and also causes dirt and debris to adhere to the outer surface of the headlights. Below, we will teach you how to prevent the headlights from turning yellow and ensure their clarity. 1. Wipe off dirt, debris, debris, etc. on the surface of the front headlights with a soft cloth. 2. Clean the headlights with soap and water every three months to prevent the accumulation of dirt and prevent them from turning yellow. 3. After cleaning, wipe the headlights with a chemically synthesized polishing agent, and follow the procedure to wax and care for the headlights. 4. When not in use, park the car in the garage or in a shaded area. It will help reduce the oxidation of polycarbonate caused by ultraviolet radiation on the front headlights.

How to prevent car lamp caps from turning yellow

Nov 12,2022

How much does the principle of processing technology affect the machining accuracy of precision mechanical parts?

In the process of machining precision mechanical parts, in order to achieve the contour of the machined part surface, we need to use approximate forming operation or blade contour to process precision parts. In this process, errors inevitably occur, which is called machining principle error. In theory, in order to reduce surface roughness and achieve precise surface of the processed components, it is necessary to adopt ideal machining principles and precise forming movements. In the actual machining process of precision machine tools, it is difficult to achieve precise machining principles, and there may still be some gaps between them and the ideal values. If we only pursue precise theories, it often affects the efficiency of precision machining enterprises and cannot achieve the expected results. In the process of precision machining, the complex structure between the machine tool and the machining tools also increases the difficulty of machining. There are too many complex structural links, which can cause errors in the operation of the machine tool, making it difficult to ensure the accuracy of precision machining parts. Facing an important problem for precision machining enterprises, it is how to more reasonably use approximate principles to increase the machining accuracy of parts, thereby ensuring the accuracy of the machining process and ensuring the quality of the processed parts. At the same time, by adopting scientific and reasonable process measures, the productivity of precision machining parts can be effectively improved, thereby improving the economic benefits of enterprises.

How much does the principle of processing technology affect the machining accuracy of precision mechanical parts?

Nov 12,2021

Key technical points of metal powder metallurgy products

Metal powder metallurgy is a process technology that produces metal or uses metal powder (or a mixture of metal powder and non-metal powder) as raw material, undergoes forming and sintering, and manufactures metal materials, composites, and various types of products. Metal powder metallurgy products have been hailed as one of the most popular metal component forming technologies internationally. Their main processing techniques include powder compression molding, powder injection molding, and 3D printing molding. Metal powder metallurgy products mainly use powder as the raw material, and the characteristics of powder determine the product design, formula, mold, forming process, degreasing, sintering process, and secondary processing in the process, ultimately determining the quality of the product. The metal powder injection molding process is used to produce metal powder metallurgy products. It is a new near net forming technology developed by combining traditional powder metallurgy technology with plastic injection molding process. It uses metal or ceramic powder with appropriate adhesive, achieves the purpose of forming through injection molding, and finally obtains powder metallurgy products through degreasing and sintering. The main technical key lies in the fine powder suitable for solid-state sintering operation, which needs to have good shape retention and achieve good sintering density. The higher the vibration density of the powder, the higher the density of the sintered part. The complex binder additives, fully mixed feeding, high-precision molds, fast replication injection molding machines, high-speed, safe and effective catalytic degreasing, solid-state sintering, and metal phase diagrams are used, The scientific knowledge of materials science is used to ensure the density and shape retention of the raw material to the sintered body, thereby achieving high-quality products.

Key technical points of metal powder metallurgy products

Nov 12,2021

什么样的零件适合使用MIM工艺？

金属粉末注射成形结合了粉末冶金与塑料注射成形两大技术的优点，突破了传统金属粉末模压成形工艺在产品形状上的限制，同时利用塑料注射成形技术能大批量、高效率生产具有复杂形状的零件：如各种外部切槽、外螺纹、锥形外表面、交叉通孔、盲孔、凹台、键销、加强筋板，表面滚花等　这些都是MIM工艺的强项。

什么样的零件适合使用MIM工艺？

Nov 09,2023

将机械设备紧密连接起来的零件

螺母是将机械设备紧密连接起来的零件，通过内侧的螺纹，同等规格螺母和螺栓才能连接在一起，例如M4-P0.7的螺母只能与M4-P0.7系列的螺栓进行连接（在螺母中，M4指螺母内径大约为4mm，0.7指两个螺纹牙之间的距离为0.7mm）；美制产品也同样，例如1/4-20的螺母只能与1/4-20的螺杆搭配（1/4指螺母内径大约为0.25英寸，20指每一英寸中，有20个牙)。

将机械设备紧密连接起来的零件
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