Knowledge

Shrinkage rate Shrinkage holes are different from pores with round, smooth surfaces; they appear as jagged, angular edges. It is normal for metal to s

There are many types of casting defects, but they are generally divided into four categories, namely: • Metallurgical defects • Thermal defe

Application areas Powder metallurgy-related enterprises are mainly engaged in the production and research of spare parts in the fields of automotive i

The basic processes of powder metallurgy are as follows: 1. Preparation of raw material powder. Existing milling methods can be roughly divided into t

Cooking method of Powder manufacturing (1) Powder manufacturingThe powder manufacturing process includes steps such as powder preparation and powder m

Powder metallurgy is a processing technology that produces metal powder or uses metal powder (or a mixture of metal powder and nonmetal powder) as raw

Measurement of temperature To determine the initial forging temperature of steel, we must first ensure that the steel is not over-burned. Therefore, f

Purpose and method of hot forging The purpose of heating metal blanks before forging is to improve the plasticity of metal, reduce the deformation res

The forging process carried out above the recrystallization temperature of the metal is called hot forging. Hot forging is also called hot die forging

A general term for plastic processing such as cold forging, cold extrusion, and cold heading. Cold forging is a process in which the material is shape

Temperature Selection of warm forging When selecting the warm forging temperature, the following factors should usually be considered. (1) The effect

Warm forging is a die forging process in which the die is heated to the forging temperature of the metal. It makes full use of the plasticity of the m