Basic parameters of casting materials for tractor gearbox housing
The casting material of tractor gearbox housing is nodular cast iron QT450-10. The material properties are given to the meshed […]
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Crack characteristics of bucket teeth in Squeeze Casting
1. Defect characteristics Pores are found around the hot joint of the cut workpiece, and pores are also found on
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Numerical simulation of box casting process
The filling process and solidification process of typical box castings are simulated by using the casting process numerical simulation software.
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Numerical simulation of box casting forming
Based on the box casting simulation technology and different process schemes, the simulation software ProCAST is used to simulate and
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Simulation and verification of casting process optimization of excavator rear axle
1. Simulation of mold filling process of excavator rear axle casting After improving the process, the mold filling process of
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Selection of foam bead and coating for lost foam casting of axle housing for steel casting
Due to the structural characteristics of the axle housing, the spiral case opening can only be placed upward and horizontally.
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Control of molten steel quality to reduce sand hole and air hole defects of large steel castings
The market has higher and higher requirements for the quality of large and medium-sized steel castings. The castings requiring ultrasonic
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Lost foam casting process control
Lost foam casting process includes riser system design, pouring temperature control, pouring operation control, negative pressure control and so on.
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Problems in lost foam casting Process
The introduction of lost foam casting process by some manufacturers is not cautious and scientific enough, lack of in-depth understanding
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Defects of bucket teeth castings in chemical bonded sand casting
The molten metal interacts with the surface of the mold cavity at high temperature. After condensation, a layer of hard
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Main application of lost foam casting
The advantages of lost foam casting technology are more and more obvious, and many small and medium-sized enterprises have been
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Development of lost foam casting in China
In recent years, lost foam casting has developed rapidly in China, and the development results are also gratifying. Among them,
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Technical characteristics of lost foam casting
Lost Foam Casting (also called real mold casting) is a new type of casting method that combines the wax or
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Characteristics of gray cast iron
Compared with ordinary carbon steel, the properties of gray cast iron have the following characteristics. (1) Low mechanical properties. The
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Introduction to gray cast iron
Gray cast iron is one of the most widely used cast iron. Gray cast iron is a cast iron with
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Characteristics of chemical hardening sand casting process
The characteristics of chemical hardening sand casting process are: ① The strength of chemically hardened sand mold is much higher
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Research status of bucket tooth fault detection
Due to relying on manual inspection of bucket teeth, generally it can only be carried out when the shovel is
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Modal analysis of gearbox shell casting of high horsepower tractor
The deformation mode of the structure is determined by the external vibration mode of the tractor, and the deformation mode
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Properties of nodular cast iron are improved by adding rare earth
In terms of high strength and low alloy nodular cast iron, in addition to copper and molybdenum, nickel and niobium
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Inspection results of gear heat treatment items
The influence of pre heat treatment on gear heat treatment deformation, and the results are analyzed according to the scheme
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Development history of vermicular graphite cast iron
In 1947, H. morrogh, an Englishman, discovered vermicular graphite in the process of studying the treatment of nodular cast iron
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Finite cloud mesh generation of tractor gearbox shell casting
The establishment of finite element model of tractor gearbox shell casting is the basis of finite element analysis and calculation.
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Casting of tractor gearbox housing
In order to solve the problems of excessive mass and unreasonable stress distribution of gearbox shell castings of high-power tractors,
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Tractor gearbox housing
China is a large agricultural country, but it is not a powerful agricultural country. The contradiction between small-scale agricultural production
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Microstructure transformation of super duplex stainless steel SAF2507 valve casting
The temperature of cutting and welding repair shall not exceed 250 ℃, and the cooling method can be water cooling
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Optimization of process parameters in mold filling and solidification process of sand casting
Determine the sand mold configuration, casting material and pouring mode, that is, these influencing factors have been determined; In addition,
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Crack characteristics of bucket teeth in Squeeze Casting
1. Defect characteristics Through the observation of the surface of the extruded bucket tooth casting, it is found that a
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Main properties of nodular cast iron
Ductile iron castings have been used in almost all major industrial sectors, which require high strength, plasticity, toughness, wear resistance,
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Composition of nodular cast iron
Cast iron is an iron carbon alloy with carbon content greater than 2.11%. It is obtained by high-temperature melting and
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Numerical simulation of sand casting
In China, the development of sand casting simulation technology is relatively late in China, but through the support of the