Experiment on bucket teeth of bimetal liquid composite casting
1.Experimental device This experiment is carried out on the self-made hydraulic simulation test-bed in the laboratory. The cast bucket tooth […]
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Medium manganese steel and ultra-high manganese steel
Under low impact load, the wear resistance of medium manganese steel is better than that of high manganese steel. The
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Casting technology and properties of sand casting cylinder head
According to the sand mold casting process CAD system developed by the laboratory, the casting process design is carried out.
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Numerical simulation of mold filling and solidification process of cylinder head in rapid sand casting
With the development of economy, China’s automobile industry has developed rapidly, but it is facing the problems of unreasonable industrial
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Design of gating system in sand casting
The gating system of sand casting is used to guide the liquid metal into the mold cavity. According to the
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Sand casting engine cylinder head
The casting blank of automobile engine cylinder head produced by sand mold gravity casting is shown in Figure 2-1. ZL105
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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
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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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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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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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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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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
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Ductile iron valve body of excavator hydraulic control valve
Excavators are widely used in highway, bridge, construction, breeding pond, underground engineering, emergency excavation and other engineering construction fields. It
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Causes and preventive measures of sand sticking casting defects of cast steel bucket teeth
Compared with cast iron, the pouring temperature of cast steel is higher, which is more than 1560 ~ 1620 ℃
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Difficulties in testing steel castings
1.Poor ultrasonic penetration The complex interface of coarse grain and uneven structure enhances the scattering of ultrasonic wave, and the
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Effect of matrix structure on mechanical properties of nodular cast iron crankshaft castings
When the amount of ferrite in the matrix increases, the elongation after fracture increases. The data · s] show that