Posts

Showing posts from November, 2019

Die-casting aluminum parts production process

Image
Three points of attention for cast aluminum parts produced by  die-casting aluminum parts factory : 1. The overall die casting is a metal die casting process that heats the workpiece as a whole and then cools it at an appropriate speed to modify its overall mechanical function. The overall die casting of steel has four basic processes of annealing, normalizing, quenching and tempering. Annealing is to heat the workpiece to the proper temperature. According to the material and the workpiece standard, different insulation time is selected, and then slowly cooled. The purpose is to make the internal structure of the metal reach or close to the equilibrium condition, so that the internal stress of the previous process can be released. Excellent process function and application function, ready for further quenching. Normalizing or normalizing is to cool the workpiece to a suitable temperature and then cool it in air. The effect of normalizing is similar to annealing, but the resultin...

Production principle of ductile iron castings

Image
The total output of spheroidal graphite iron castings in China has exceeded 31 million tons. With the improvement of the quality of China's spheroidal graphite iron castings, the strengthening of overall strength and the improvement of core competitiveness have made great progress in China's spheroidal graphite castings industry. For the ductile iron parts, his maintenance is also very important. Only when the ductile iron parts are well-maintained, it is possible to exert his great effect. For the ductile iron parts, the spheroidal iron parts should be thoroughly inspected before use. In a place that is too flat, the surface should be cleaned. If the ductile iron parts are recessed, the recess of the spheroidal iron castings filled with vinyl chloride should be used. The coating should not be too thick each time. The thickness of the coating is generally About 0.5 mm, the ductile iron castings can not be filled once, and the next time the material is to be dried, it will be c...