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 […]
Scientific
Scientific
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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The Economic Role of China casting industry
The China casting industry plays a significant role in the country’s economy and has considerable influence on the global manufacturing
Scientific
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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Casting technology of engine cylinder head
The engine is known as the “heart” of the automobile, and the cylinder head is one of the most important,
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Functional design of bucket tooth detection system for excavator
According to the general requirements of the bucket tooth detection system of excavator, the functions of the designed detection system
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Austempered nodular cast iron crankshaft
The full name of isothermal quenching is austenitic isothermal quenching. Austenitic isothermal quenched ductile iron (add) is obtained from nodular
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Study on mold filling process of iron mold sand coated casting and cooling analysis of nodular cast iron crankshaft
(1) The process characteristics and heat transfer mode of iron mold sand coated casting are analyzed. Aiming at the common
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Bimetallic liquid composite casting bucket teeth
Bucket tooth is a vulnerable part on the excavator bucket. When in use, the bucket tooth handle must have sufficient
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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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Nodular cast iron crankshaft castings
As one of the important parts of the engine, the force of the crankshaft is complex in work. The constant
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Heat treatment process of automobile piston pin
By the end of June 2019, the total number of motor vehicles in China had reached 357 million. With the
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Alloyed high manganese steel
Ordinary high manganese steel has less work hardening and insufficient wear resistance under low stress wear or small impact load.
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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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Wear failure mechanism of bucket teeth of excavator
1. Cutting mechanism When the bucket tooth acts with the rock (ore) under high impact load, on the one hand,
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Improve the wear resistance of bucket teeth and prolong the service life
(1) Composition optimization and material selection of wear-resistant materials high manganese steel can achieve high hardness due to work hardening,
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Water based lost foam casting coating for cast iron
Lost foam casting technology has the advantages of wide application range, accurate size and shape of lost foam casting, smooth
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Testing method of steel castings
1) For small and medium-sized castings (especially investment precision castings), they have small volume, light weight and less processing capacity.
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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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Casting technology of nodular cast iron crankshaft
At present, the production of nodular cast iron crankshaft mainly adopts iron mold sand coating casting. The filling, solidification and
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Wear resistant composite bucket teeth
1. Cast in bucket teeth The base metal in the cast-in-place bucket teeth is generally high manganese steel with high
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Development of computer simulation of casting filling process in China
The research on Numerical Simulation of China’s foundry industry began in the late 1970s. However, it has developed rapidly together,
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Mold filling simulation experiment of iron mold sand coated casting for Flywheel Casting
(1) The performance requirements of flywheel casting are analyzed, the casting process scheme is designed, and the process parameters are
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Wear of bucket teeth of excavator
The existing excavators are mainly mechanical excavators (also known as electric shovels) and hydraulic excavators. The bucket teeth (shovel teeth)
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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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Lost foam casting coating
Role of lost foam casting coating in lost foam casting The function of lost foam casting coating is to support
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Ordinary high manganese steel (ZGMn13)
High manganese steel, also known as Hadfield steel, was invented by Robert Hadfield in 1882. Ordinary high manganese steel is
Scientific
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