Figure 1 shows the distribution of shrinkage cavity and porosity predicted by numerical simulation technology under the original process scheme. […]
Lost mold casting has experienced the following three stages of development: The first stage is the American H.F. Sloy (Shroyer)
The samples as cast and normalized were observed by Kearns vh-5000 ultra depth of field optical metallographic microscope. The metallographic
Nodular cast iron is a spheroidal graphite cast iron obtained by spheroidization and inoculation. From the aspect of production, the
During the mold test of the cylinder head, the casting air hole defect on the oil cover shell surface is
Six cylinder block is an important part of marine engine. The casting structure is shown in the figure, and its
ZHY casting adopts 20 ~ 40 mesh quartz sand and manual bag sand adding method. The size of sand box
Lost foam casting requires that the molding sand can fill the mold space tightly during molding. Therefore, the vibrating system
Introduction 1. Lost foam casting process The lost foam casting process is simple, without complex processes such as core making,
The structure of the flywheel housing is relatively complex and belongs to a typical thin-walled shell structure. Due to the
The flywheel housing is an extremely important power output component in the vehicle power system, and it is also a
In order to ensure that there is no dead corner in the negative pressure inside the sand box, 5 air
Lost foam casting is a negative pressure full mold casting technology developed on the basis of vacuum sealing molding combined
The coating methods mainly include spraying, brushing, flow coating, dip coating and drenching coating. Uniform spraying coating and high dimensional
The low-pressure casting simulation model of flywheel housing is established by ProCAST. The simplified three-dimensional digital model of the die
1. EPS foaming white mold EPS material has good cutting performance, fast NC machining speed and high precision. The mold
Axle housing is one of the main components of engineering vehicles, which carries the strong force of transmission and load.
The mold and core used to produce sand castings are bonded by sand particles with binder, so there are many
Lost foam casting process is a casting process in which EPS white mold models similar to the size and shape
Based on the above experimental results, in order to verify the effect of molybdenum on the tensile strength of gray
There are many factors affecting the surface quality of sand mold castings. From the aspect of sand mold, the material
Vacuum rim is a safety component of the driving system of transportation machinery such as commercial vehicles and engineering vehicles.
Several typical thin-walled engine block sand castings such as ea188 were selected and formed by wet sand casting process. Experimental
Molybdenum is an element with strong affinity with carbon, which is conducive to the formation of the second phase particles
In production practice, the length of casting pouring time is directly related to many quality factors of castings. For example,
According to the different matrix structure, it can be divided into ferrite matrix gray cast iron, pearlite ferrite matrix gray
Gray cast iron has good casting process and mechanical properties, excellent wear resistance, vibration damping and thermal conductivity, and low
The surface quality of sand castings not only affects the appearance of non machined surface parts of products, but also
In order to obtain high-quality sand castings, both at home and abroad pay great attention to the design of gating
1.Effect of the amount of suspending agent on the properties of spray casting coating Based on the basic research and
