Automobile sheet metal parts are important components of the automobile body, mainly used to form the exterior frame of the vehicle and cover the body. **I. Types of Sheet Metal Parts** 1. **Body Panels** – **Hood**: The hood is located at the front of the car. Its main function is to protect components such as…
DetailsThe determination of the chemical stability of materials can be carried out from the following aspects: **I. Theoretical Analysis** 1. **Analysis of Chemical Composition** – Understanding the chemical composition of materials is the basis for judging their chemical stability. For example, for metallic materials, the chemical stability of pure metals is usually related to…
DetailsIn the automotive manufacturing industry, although the automotive armrest slide rail is only a small part, it plays a crucial role. It not only provides comfortable arm support for drivers and passengers but also enhances the overall quality of the car interior to a certain extent. The production factory of automotive armrest slide rails…
DetailsIf the chemical stability of materials is poor, the following consequences will occur: **I. Impact on product performance** 1. Reduced mechanical properties: Materials may undergo structural changes due to chemical reactions, leading to a decline in mechanical properties such as strength, hardness, and toughness. For example, when metal materials come into contact with corrosive media,…
DetailsThe corrosion resistance testing standards for automotive parts mainly have the following requirements for the performance of parts: **I. Material performance requirements** 1. Corrosion resistance: The material of parts should have good corrosion resistance and be able to resist the erosion of corrosive media under different environmental conditions. For example, in environments such as salt…
DetailsWhen choosing appropriate automotive parts according to corrosion resistance testing standards for automotive parts, the following aspects can be considered: **I. Clarify the usage environment** 1. Consider geographical regions: Climate conditions vary greatly in different regions. For example, in coastal areas, the air humidity is high and the salinity is large. In acid rain areas,…
DetailsThe testing standards for corrosion resistance of automotive parts mainly include the following: **I. Salt spray test standards** 1. Neutral salt spray test (NSS): Such as international standard ISO 9227. Use sodium chloride brine with a concentration of 50g/L, and the pH value is between 6.5 – 7.5. Place the sample of automotive parts in…
DetailsInternationally, there are a series of standards and test methods for the corrosion resistance of automotive sheet metal parts. The common relevant standards are as follows: 1. **Salt spray test standards**: – **Neutral salt spray test (NSS)**: For example, international standard ISO 9227 is a widely used salt spray test method. Use sodium chloride brine…
DetailsI. Meticulous Material Selection In the field of automotive parts production, although the automotive armrest slide rail seems small, its production process contains many crucial precautions that are directly related to product quality and the driving and riding experience. First of all, material selection is of utmost importance. Automotive armrest slide rails need to have…
DetailsIn the manufacturing process of automotive sheet metal parts, quality can be ensured through the following aspects: **I. Material selection** 1. Select high-quality steel: Choose high-strength steel that meets automotive industry standards to ensure that sheet metal parts have sufficient strength and rigidity to withstand various stresses during vehicle driving. 2. Consider the machinability of…
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