Optimization simulation of casting process of coupler body
The improved process scheme is adopted for the hook body steel casting to simulate the mold filling and solidification process. […]
The improved process scheme is adopted for the hook body steel casting to simulate the mold filling and solidification process. […]
The hook tongue adopts the improved sand casting process scheme to simulate the mold filling and solidification process. The pouring
There are 14 sand cores in the motor shell in total, and the assembly of sand cores is shown in
In terms of detection methods, GB7233-09 focuses on the near-field area of ultrasonic flaw detection, and adds a near-field resolution
Figures 1 to 3 show the simulation analysis results of the casting solidification process of the hook tongue. Figure 1
Figure 1 to figure 4 show the simulation analysis results of the hook tongue filling process. Figure 1 shows the
Firstly, cast the steel castings of the coupler according to the original casting process design. The main problems exposed are:
Type 16 coupler knuckle is a complex small steel casting. The overall size of the steel casting of coupler knuckle
By adding different content of copper and different ratio of copper and chromium, the mechanical properties and cutting properties of
Figure 1 shows the temperature distribution results of the hook body 5 s after it starts to solidify. The solidification
Figures 1 to 4 show the simulation analysis results of the mold filling process of hook steel castings. Figure 1
The total number of cracks in the motor shell produced by furan resin sand casting process is about 70, while
According to the previous casting simulation results, it is found that the process riser of the steel casting plant is
The sand inclusion casting defects of steel castings are relatively serious, because the proportion of product scrapping caused by sand
The coupler body of type 17 coupler is a complex medium and small steel casting with the overall size of
The mechanical properties and machinability of gray cast iron samples for engine cylinder block were tested, and the microstructure of
① Analysis on the original pouring system of motor shell See Fig. 1 for the original pouring system of motor
Before the proportion of molding sand is proposed, the basic range of molding sand properties should be determined according to
The orthogonal experiment will be designed, the riser height is set as the independent variable, and other process parameters remain
Casting sand inclusion defects are directly related to production process, mold, sand mixing, molding, core making, lower core box, pouring
Figure 1 shows the simulation results of temperature field at each time during solidification of mud pump body in sand
Traditional nondestructive testing methods include ultrasonic testing, acoustic emission testing, magnetic particle testing and radiographic testing. Magnetic particle flaw detection
The defect distribution of sand castings after processing is shown in Figure 1, figure 2 and figure 3. The sand
According to the flaw detection results, there are many casting defects in the cast steel joints, and many casting defects
The shrinkage rate prediction module is used to predict the distribution of shrinkage defects. When the simulation results show that
In sand casting production, it is often found that castings with sand inclusion, either inside or on the surface, are
Process design is very important to the quality of sand casting. Even if other conditions are met, if the process
Due to the large stiffness of the main pipe of the cast steel joint, one end of the main pipe
1. Optimization of sand casting gating system for mud pump body According to the simulation results of sand casting process,
After the sand casting is cleaned, the fluorescent wet magnetic particle flaw detection is carried out. The total number of