Introduction to the process of agricultural machinery castings?

There are quite a few things we need to know before using agricultural machinery castings, and many users may not be clear about these basic issues. The following will tell you about the process of agricultural machinery castings. If you want to know, come and have a look, I hope it can help you.

There are many things we need to know about agricultural machinery castings before using them, but many users may not be clear about these basic issues. The following will tell you about the process of agricultural machinery castings. If you want to know, come and have a look, I hope it can help you.

Agricultural machinery castings

When we talk about this agricultural machinery casting, we can probably see from its name that it is very good in terms of corrosion resistance. In fact, in the casting process of agricultural machinery castings, the principle of high temperature out of the furnace and low temperature casting should be followed during casting. Because increasing the temperature of the metal liquid is conducive to the complete melting of inclusions, the floating of slag, and the convenience of slag removal and degassing, which will naturally reduce the slag inclusion and porosity defects of machine tool castings; using a lower pouring temperature is conducive to reducing the solubility of gas in the metal liquid, liquid shrinkage, and the baking of the cavity surface by high-temperature metal liquid, avoiding porosity, sand sticking, and shrinkage cavities. Therefore, everyone should know that under the premise of ensuring that the mold cavity is full, a lower pouring temperature should be used as much as possible. The process of injecting metal liquid from the ladle into the mold is called pouring. Improper pouring operation will cause defects such as insufficient pouring, cold shut, porosity, shrinkage cavity, slag inclusion, etc. in machine tool castings, causing personal injury. Of course, the quality of agricultural machinery castings mainly includes appearance, internal quality and use. In fact, its appearance refers to the surface roughness, surface defects, dimensional deviations, shape deviations, weight deviations, etc. of the casting. The content mentioned here mainly refers to the chemical composition, physical properties, mechanical properties, metallographic structure and internal composition of the casting. Holes, cracks, inclusions, segregation, etc.; use mainly refers to the durability of castings under different conditions, including wear resistance, corrosion resistance, impact resistance, fatigue resistance, shock absorption, etc., as well as machinability and weldability. and other process performance. The quality of agricultural machinery castings has a great impact on the performance of mechanical products. For example, the wear resistance and dimensional stability of machine tool castings directly affect the service life of precision maintenance; otherwise, it will also affect the size, precision and surface roughness of impellers, pump casings and hydraulic parts of various pumps. Directly affects the working efficiency, energy consumption and cavitation development of pumps and hydraulic systems, etc.; service life. Therefore, in the current production of agricultural machinery castings, quality control and inspection must be carried out. First of all, it is necessary to formulate process regulations and technical conditions for control and inspection from raw materials, auxiliary materials to each specific product. And each process will be strictly controlled and inspected according to the process code and technical conditions. Conduct quality inspection on finished castings. Equip with reasonable testing methods and suitable testing personnel. Generally speaking, the appearance of agricultural machinery castings can be judged by comparing samples to determine the surface roughness of the castings; small surface cracks can be checked by coloring method and magnetic particle method. The internal quality of castings can be detected and judged by methods such as sound waves, ultrasonic waves, eddy currents, X-rays and gamma rays.

The above article is about the process of agricultural machinery castings for all friends, and it also shares a better agricultural machinery casting manufacturer in the content. If you have this need, you can check it out, I hope it can help you.

Agricultural machinery castings

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