Agricultural Machinery Parts

Agricultural Machinery Parts

Our company produces a variety of specifications of agricultural machinery accessories. Agricultural machinery in rotary tiller, rake piece and other parts in the operation and soil sand and roots in the collision, the heart or bearing layer should have good toughness and the blade mouth or surface has high wear resistance, so 65 Mn steel is generally selected. Composite steel, multilayer rolling material and treatment process are often used. The harvesting blade of all kinds of crops is mainly contact fatigue wear and abrasive wear, which requires high hardness, wear resistance, sharp, and certain toughness. ω C0.6%~1.2% high carbon steel is often used. Low-carbon steel can also be used after chemical heat treatment. Correct selection of heat treatment process is an important link to fully explore the potential of materials.

Metal wear-resistant materials used in the manufacture of wear-resistant parts include steel, composite steel and cast iron. High manganese steel is a long-wear resistant material with a long history, which is not easy to produce plastic instability under bad working conditions, but has quite good wear resistance; but it only produces impact load and abrasive wear with high unit pressure, which shows better wear resistance than other materials. For the parts easy to wear with less impact load, non-alloy steel (carbon steel) or medium and high carbon alloy steel with low cost is widely selected at present, and certain process measures are taken to improve its wear resistance. The selection of surface hardened steel or composite steel production of parts, in the wear resistance, impact resistance and other properties have obvious advantages, can improve the service life, but the cost is higher. Wear-resistant cast iron has good wear resistance and low cost, including cold hard cast iron, white cast iron and medium manganese ductile cast iron, generally suitable for wear-resistant parts used under different working conditions. At present, there is no systematic technical standard for wear-resistant steel, but the steel class and type of steel used for manufacturing wear-resistant parts are relatively wide, and a part of structural steel, tool steel and alloy cast iron are often used to manufacture various wear-resistant parts. In recent years, some wear-resistant special steel has also been developed. Generally according to the working conditions, wear type and material damage mechanism, to reasonable selection of steel type.

Non-ferrous alloy casting technology plays an important role in the basic manufacturing industry, is one of the key technologies, in aviation, aerospace, shipbuilding, automobile, rail transit, chemical, energy, electronics and other casting production fields.

In the production of auto parts, the system engineering research of gradually using non-ferrous alloy instead of steel material is a problem to be solved for a long time in the future. In order to achieve the goal of lightweight, the casting industry pays special attention to the use of high strength and high toughness of nonferrous alloy casting technology, special attention to the development of casting composite materials with excellent comprehensive performance, special attention to the development of high specific strength and high specific stiffness. Therefore, aluminum alloy, magnesium alloy and other lightweight materials in the process of automotive lightweight Widely adopted.

Casting aluminum alloy is developed earlier in China One of the non-ferrous metal materials, its small density, high specific strength, strong corrosion resistance, so it is widely used in aviation, aerospace, automobile, machine tool manufacturing and other manufacturing industries. At present, with the great development of the automobile industry, the total production of cars has surged, the demand for aluminum alloy is increasing, and with the improvement of energy saving and environmental protection requirements, the production of aluminum castings is toward lightweight, toughness and precision. The direction of chemistry and compound development.

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