Archives

Sand mold low pressure casting of aluminum alloy complex thin wall parts

Aluminum alloy castings are widely used in railway, military, aerospace, automotive, medical and other fields because of their good comprehensive mechanical properties. Aluminum alloy castings have the characteristics of low density, high strength coefficient and hardness, and become one of the most suitable materials to realize light-weight structural thin-walled...

spacer
spacer

Porosity casting defects of gray cast iron

Most of all kinds of porosity casting defects are located in the key parts of the cylinder block, and the size is generally large. Once they occur, the cylinder block blank will be directly scrapped. Therefore, such defects directly affect the scrap rate of the casting cylinder block. The...

spacer

Porosity defect of gray cast iron

Porosity casting defect has always been the most common defect in sand casting gray iron castings. It refers to the smooth holes of different sizes on the internal surface or near the surface of the casting, and the hole wall often has oxidation color. Due to the different gas...

spacer
spacer
spacer
spacer
spacer

Solutions to casting defects of railway steel castings

In view of various casting defects in the trial production of railway steel castings, combined with the actual production conditions of the factory, the following solutions and precautions are put forward to serve the mass production of hook body and hook tongue. Hot crack: increase the fillet radius at...

spacer
spacer