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
Scientific
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
Scientific
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,
Scientific
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
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Control of water glass to reduce sand hole and air hole defects of large steel castings
1. Quality control of sodium silicate. “Modulus, concentration” and “guest salt” (NaCI, Na2SO4, Na2CO3, etc.) are important parameters of sodium
Scientific
Comprehensive measures are taken to solve the problem of sand sticking and sintering of water jacket between sand casting cylinder blocks
1.Sand sticking of cylinder block water jacket H003 cylinder block is an upgraded version of 52E cylinder block, in which
Scientific
Optimization of casting process for excavator rear axle
1. Optimization of gating system In view of the turbulent flow caused by the unstable flow of liquid metal in
Scientific
Simulation analysis of original casting process of excavator rear axle
The numerical simulation is carried out by AnyCasting software. The material is set as zg20simn, the pouring temperature is 1580
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Defects of bucket teeth castings caused by mechanical sand sticking
The liquid metal penetrates into the gap of molding sand, and after condensation, a layer of mechanical mixture of liquid
Scientific
Selection of casting process parameters for diesel engine crankshaft shell
In the design of shell mold, the feeding of molten iron of nodular iron and the solution of casting defects
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Properties of molding sand in sand casting
The material used to make sand mold is called molding material, the material used to make sand mold is customarily
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Failure analysis of bucket teeth of excavator
During the operation of the electric shovel, the bucket is the main working part. In the mining process, the bucket,
Scientific
Classification and characteristics of gating system for tractor box castings
The pouring system of tractor box castings can be divided into closed type, open type, semi closed type and closed
Scientific
Determination of parting surface of tractor box casting
Parting surface refers to the joint surface between two mold components in the casting process of tractor box. Parting surface
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Wet sand casting introduction
The basic raw materials of sand mold manufacturing are casting sand and molding sand binder. The most commonly used casting
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Valve casting molten steel melting and pouring
See Table 1 and table 2 for the technical requirements and measured chemical composition of castings. Name C Si Mn