Causes of shrinkage defects in castings
The basic cause of concentrated shrinkage defects in castings is that the liquid shrinkage and solidification shrinkage of the alloy […]
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Comparative study on mechanical properties of gray cast iron with different alloying treatments
The multi-element alloy additive is designed according to the research results at home and abroad on the influence of Alloying
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Characteristics and original process of sand casting steel castings
The coupler body of type 17 coupler is a complex medium and small steel casting with the overall size of
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Effect of alloying elements Cu and Cr on cutting properties of gray cast iron
In the process of gray cast iron cutting experiment, the measurement cycle is 20 s, the cutting length of the
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Quality inspection results of railway steel castings
During the trial production of coupler steel castings, the process scheme is continuously optimized and the casting quality is continuously
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Optimization of sand casting coupler tongue
The coupler knuckle is connected with the coupler body through the coupler knuckle pin. During the operation of the vehicle
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Visual inspection for cast steel joints
Visual inspection is not only the first step in the delivery inspection of cast steel joints, but also an essential
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Effect of alloying elements Cu and Cr on Microstructure of gray cast iron
Due to the existence of graphite in common gray cast iron, and the tensile strength of graphite is almost zero,
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Trial production of sand casting process for coupler tongue
After the production line of type 16 knuckle product is arranged and runs well, the trial production of the product
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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.
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Analysis of simulation results of optimization of sand casting process for coupler tongue
The hook tongue adopts the improved sand casting process scheme to simulate the mold filling and solidification process. The pouring
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Optimization design of sand core and sand mold in sand casting
There are 14 sand cores in the motor shell in total, and the assembly of sand cores is shown in
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Influence of different China standards on defect grade of steel castings
In terms of detection methods, GB7233-09 focuses on the near-field area of ultrasonic flaw detection, and adds a near-field resolution
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Analysis on solidification process of original casting process of coupler tongue
Figures 1 to 3 show the simulation analysis results of the casting solidification process of the hook tongue. Figure 1
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Simulation of mold filling process of original casting process of coupler tongue
Figure 1 to figure 4 show the simulation analysis results of the hook tongue filling process. Figure 1 shows the
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Trial production of casting technology for coupler body
Firstly, cast the steel castings of the coupler according to the original casting process design. The main problems exposed are:
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Characteristics and original process of steel castings for coupler tongue
Type 16 coupler knuckle is a complex small steel casting. The overall size of the steel casting of coupler knuckle
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Effect of alloying elements Cu and Cr on mechanical properties of gray cast iron
By adding different content of copper and different ratio of copper and chromium, the mechanical properties and cutting properties of
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Analysis of the original solidification process of steel castings
Figure 1 shows the temperature distribution results of the hook body 5 s after it starts to solidify. The solidification
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Analysis of the original mold filling process of steel castings for couplers
Figures 1 to 4 show the simulation analysis results of the mold filling process of hook steel castings. Figure 1
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Sand casting crack defect
The total number of cracks in the motor shell produced by furan resin sand casting process is about 70, while
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Effect of internal cooling iron on the distribution of casting defects in steel castings
According to the previous casting simulation results, it is found that the process riser of the steel casting plant is
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Sand inclusion defect of steel castings
The sand inclusion casting defects of steel castings are relatively serious, because the proportion of product scrapping caused by sand
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Characteristics and original technology of steel castings for railway couplers
The coupler body of type 17 coupler is a complex medium and small steel casting with the overall size of
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Experimental method and process of gray cast iron for engine cylinder block
The mechanical properties and machinability of gray cast iron samples for engine cylinder block were tested, and the microstructure of
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Optimization design of gating system in sand casting
① Analysis on the original pouring system of motor shell See Fig. 1 for the original pouring system of motor
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Main performance indexes of sand casting wet mold clay sand
Before the proportion of molding sand is proposed, the basic range of molding sand properties should be determined according to
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Effect of different riser height on casting defect distribution of steel castings
The orthogonal experiment will be designed, the riser height is set as the independent variable, and other process parameters remain
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Casting sand inclusion defect
Casting sand inclusion defects are directly related to production process, mold, sand mixing, molding, core making, lower core box, pouring
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Analysis of solidification process of mud pump body in sand mold casting
Figure 1 shows the simulation results of temperature field at each time during solidification of mud pump body in sand