The control of phosphorus content in hot metal composition affects the design of anti shrinkage process of castings
The effect of phosphorus on the shrinkage defects of castings is shown in two aspects: one is that phosphorus, as […]
The effect of phosphorus on the shrinkage defects of castings is shown in two aspects: one is that phosphorus, as […]
For many foundries whose production mode is from cupola to induction furnace, there is also a running in process for
(1) The simulation analysis diagram of scheme I is the simulation result of solidification process of scheme I. It can
The composition control of molten iron plays a very important role in the process design of casting anti shrinkage. Zhang
Investment casting has the following advantages: the investment casting has high dimensional accuracy and surface finish, and the size accuracy
Casting CAE is to use computer to simulate the solidification process of casting through solidification simulation, display the solidification process
Gypsum mold can be used to make castings with high dimensional accuracy, low surface roughness and residual stress. It has
Cement rotary kiln is the main equipment of cement clinker dry process and wet process production line. Driven by the
Although the anti shrinkage factor is a factor that must be considered in the casting process, recently, with the market
Counter gravity casting has very high requirements for molding, core making technology and sand fluidity. (1) Sufficient strength and rigidity:
There are many views on the production principle of shrinkage porosity of grey cast iron due to different standpoints. However,
In order to eliminate the shortcomings of sand casting, improve the quality of die casting parts and expand the application
In the cooling and solidification stage, there is eutectic solidification transformation in gray cast iron, and the w stable system
In recent years, in order to pursue the reasonable structure and lightweight of parts and components, the parts originally composed
Use of grey cast iron Gray cast iron plays an important role not only in China’s economic production, but also
For the same casting, the pouring time is different when the pouring speed is different. If the pouring speed is
Casting process refers to the process of pouring high temperature liquid metal into the mold to obtain a certain shape
Formation mechanism of shrinkage cavity and porosity during solidification of castings The volume shrinkage during solidification is the cause of
1 Inspection for fleshy defects of castings The contour of the two blanks is clear, and there is no obvious
After the installation and debugging of the water jacket core mold, the water jacket core was successfully made. After the
It can be seen from the research that the appearance of the motor housing is completely expressed by the EPS
At present, the price of water, electricity, natural gas and other energy has been greatly increased. As a self-made parts
According to the process model based on product model, the design of EPC mold needs to get mold cavity, core,
Generally speaking, the layout of the injection nozzle of the casting mold has the following principles: (1) The sand shooting
In cylinder casting, the subcutaneous pores are mainly distributed at the position of L ~ zmrn under the outer circular
Because the motor shell is cylindrical structure, the bottom pouring system is more suitable for the flat pouring because of
The design principle of the pouring system is that the mold filling is stable, the temperature gradient of the molten
The common coating composition and preparation are mainly made up of a variety of raw and auxiliary materials. The coating
The choice of foam bead is very important to the pattern of lost foam. Its quality will directly affect the
In view of the problems such as coarse structure and low mechanical properties in EPC iron castings, the following measures