Measurement of sand casting and mold temperature
The temperature cooling curve of sand castings in phenolic urethane resin sand is shown in the figure. From figure (a), […]
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Mold filling and solidification simulation of lost foam casting process scheme for top injection cast steel valve body
(1) Simulation results and analysis of mold filling process Figure 1 (a) – (f) shows the change process of mold
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Design of riser in sand casting
The riser is to compensate for the possible shrinkage during the formation of sand castings, prevent the shrinkage cavity and
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Three dimensional geometric modeling of engine cylinder head in sand casting
Ugnx8 0 software to model the three-dimensional model of sand casting engine cylinder head. UG NX is a new generation
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Prediction of defects in cold lap casting
The defect of cold lap casting is due to the fact that the unit solid rate at the flow front
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Prediction of casting defects with inclusions
According to the state and velocity of the flowing high-temperature metal liquid after colliding with each other in the mold
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Prediction of shrinkage porosity and cavity casting defects by critical solid rate method
Shrinkage cavity and porosity casting defect is a hole that occurs when the temperature of molten metal decreases during solidification
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Experimental results of bimetallic liquid composite casting bucket teeth
(1) When the liquid level of molten iron with viscosity V1 is high, the flow state of molten steel into
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Mold filling and solidification simulation of lost foam casting process scheme for bottom cast steel valve body
(1) Simulation results of mold filling process Figure 1 (a) – (f) shows the change process of mold filling temperature
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Numerical simulation of solidification process in lost foam casting of cast steel valve body
The figure shows the solidification of cast steel valve body castings at different times. It can be seen from the
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Wear resistant white cast iron
As a wear-resistant material, white cast iron has experienced three stages: ordinary white cast iron, nickel hard white cast iron
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Casting technology of nodular cast iron valve body of excavator
1. Floating core There are regular pits on the upper surface of nodular cast iron. After dissecting the nodular cast
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Casting process analysis of nodular iron casting valve body of excavator
1. Test process parameters Three nodular iron castings were tested and poured. The main parameters during the test are: the
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Casting technology of nodular cast iron valve body for hydraulic control valve of excavator
The casting adopts the green sand production process, and the sand core is made of coated sand. The mold plate
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Numerical simulation and analysis of mold filling process in lost foam casting of cast steel valve body
For example, the liquid filling state of the casting at different times is represented. The red represents the molten metal
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Mesh division and boundary condition setting of sand casting for large boom boss of excavator
Three process schemes of sand casting were numerically simulated by ProCAST software. The model is modeled by Pro / E
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Sand casting technology of large root arm boss of excavator
The sand casting of the boss at the root of a boom is made of ZG25, with a total length
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Verification experiment on gating system of iron mold sand coated Flywheel Casting
Design the iron mold sand coated casting mold. The thickness of the sand coating layer of the gating system is
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Shrinkage cavity shrinkage porosity casting defect volume
After mold filling, the volume VL ‘of molten metal in the casting is equal to the cavity volume VL minus
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Analysis of casting defects of cast steel valve body by Lost Foam Casting
The valve body lost foam casting process design produced by ZHY Casting refers to the process scheme of other similar
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Design of gating system for Flywheel Casting
The experimental object is Flywheel Casting. The outer circle diameter of the casting is 350mm, the thickness is 39mm, and
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Technological analysis of Flywheel Casting
Flywheel is one of the important parts of engine. When the output torque of the engine is greater than the
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Calculation of bucket tooth length of excavator
Because the image segmentation method based on deep learning can segment the better bucket tooth contour of excavator, the length
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Calibration of the two bucket tooth positions of the fault
When the number of faulty bucket teeth is 2, the idea is similar to that of a faulty bucket tooth.
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Design and process analysis of gating system for iron mold sand coated casting
Iron mold sand coated casting is mostly aimed at nodular iron castings, because the rigidity of iron mold can give
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Pouring time of sand casting
The sand casting time is determined as follows: Where: G – weight of sand casting (excluding pouring Li weight), unit:
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Dynamic superposition law of shrinkage and expansion during solidification of iron castings
The physical model of complete superposition of equilibrium solidification expansion and shrinkage is to imagine a cast iron alloy composition,
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Factors affecting casting defect volume of shrinkage cavity and porosity
The tendency of shrinkage cavity and porosity casting defects is related to the solidification mode. During layer by layer solidification
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Characteristics and original process of valve body parts
1. introduction to valve body parts The valve body studied in this subject is a main part of the valve.
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Performance verification of improved tractor gearbox shell casting
In order to ensure that the improved structure can meet the requirements of stiffness, strength and dynamic performance, it is