1, 45# ----- high quality carbon structural steel, the most commonly used medium carbon quenched and tempered steel.Main features: the most commonly used medium carbon quenched and tempered steel, good comprehensive mechanical properties, low hardenability, easy to crack when water quenching. Small

Agriculture as a primary industry should be very important for a developing country like China.As far as agricultural machinery is concerned, it is the product of industry developing to a certain stage and feeding back agriculture, so it has both industrial characteristics and agricultural characteristics.

When choosing the tool angle, we need to consider the influence of many factors, such as workpiece material, tool material, processing properties (rough, finishing) and so on, we must choose reasonably according to specific conditions. Generally speaking, the tool angle refers to the marking angle u

Factors affecting casting stressDuring solidification and cooling, the total stress of the casting is the algebraic sum of thermal stress, phase change stress and mechanical hindrance stress.Thermal stress and phase transformation stress are often the residual stresses in castings. Residual stress i

In the process of filling and solidification,molten metal acts with the mold in a thermal, physical, chemical and mechanical manner. Due to these effects, casting defects such as sand entrainment, sand hole, porosity, sand sticking, surface oxidation or decarbonization may occur. l Thermal actionWh

A pillow block is a pedestal used to provide support for a rotating shaft with the help of compatible bearings & various accessories. Housing material for a pillow block is typically made of cast iron or cast steel. A pillow block usually refers to a housing with an included anti-friction bearing. A

Stainless steel has the ability to resist atmospheric oxidation, that is, rustless property, and also has the ability of corrosion resistance in acid, alkali and salt medium, that is, corrosion resistance. However, its corrosion resistance is changed with the chemical composition, protection state, use condition and environmental medium type of the steel itself.

The machinery manufacturing industry is in the basic position in the national industry, and it is also a country's pillar industry, which can affect the development of the national economy to a great extent.

Metals are easy to corrode and rust in the natural state, thus increasing the loss of metals and reducing the service life. Therefore, in order to increase the wear resistance, corrosion resistance, aesthetics and other functions of metals, it is necessary to protect the metal surface. Metal surface

Pouring process is a crucial link in the whole production process of steel castings.The pouring process is not simply pouring the metal liquid into the cavity, because the molten steel in the process of melting, casting, and solidification will be connected with the surrounding medium (such as air, various refractory materials, etc.). A series of physical and chemical reactions will occur due to the impact of high temperature and fluid. Impurities, they will remain in the various parts of the casting.