Design of pouring system for crankshaft casting
The gating system is a channel for liquid metal to flow into the crankshaft casting cavity. The pouring system is […]
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Preshrunk technology of typical large iron castings
Content of preshrunk process design for large iron castings The design factors of preshrunk technology for large iron castings mainly
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Sand casting and precision casting process plan of nuclear power valve
In order to stabilize the casting process quality, there are strict regulations on the casting process, material, process and quality
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Casting technology of EPC for anode steel claw（yellow area）
The yellow area is the coating part. The first step in the yellow area is to mix the coating, and
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Engine cylinder block and cylinder head produce casting leakage
Leakage refers to the leakage phenomenon of the cylinder block (cylinder head) during the pressure test (water pressure / air
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Design of cold iron casting for fixture casting
In order to increase the local cooling speed of the casting, the metal block placed in the cavity and the
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Size and position selection of cold iron for large gray iron castings
For the role of cold iron in the anti shrinkage process of castings, the sequential solidification theory and the equilibrium
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The harm of shrinkage cavity and porosity in aluminum alloy low pressure casting
Shrinkage defects will reduce the elongation of the material, and have a great impact on the load-bearing performance, impact resistance
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Casting process of EPC for anode steel claw(white area)
EPC is divided into white area, yellow area and black area, and each part is closely linked and highly related.
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Design of casting riser for fixture casting
Riser is a cavity used to store liquid metal in the mold. It supplies metal when the casting is formed,
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How to deal with the insufficient strength of casting coating
The strength of casting coating can not be divided into two situations: one is the normal drying strength, the other
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Design principle of riser for large gray iron castings
In the past, riser design basically followed the principle of sequential solidification, which needs to meet the following three conditions:
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Research on the shrinkage proof technology of typical large-scale cast iron crossbeam
This type of beam is one of the main parts of a large machine tool. The quality of the casting
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Formation mechanism of shrinkage cavity and porosity in aluminum alloy low pressure casting
Shrinkage cavity and porosity are inevitable defects in a kind of die casting wheel. In the microstructure, the shrinkage cavity
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Casting technology of EPC for anode steel claw
The anode steel claw for electrolytic aluminum is also called electrolytic claw. There are parallel three claws, four claws, three-dimensional
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Engine cylinder block and cylinder head produce casting cleanliness
Modern engines have very strict requirements on cleanliness. For cylinder block (cylinder head) castings, only a few grams (g) of
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Study on the anti shrinkage process of ingot mould for typical large iron castings
Ingot mold is a kind of necessary ingot equipment used in mold casting production in steel plant. Although its shape
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Selection of riser size and location for large gray iron castings
The use of riser is one of the basic means to solve the shrinkage of casting. Although there are new
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Improvement measures for cracks in low pressure casting of auto parts
1) The reasonable design of the riser, the heat preservation sleeve and the casting pouring system constitute the riser system,
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Design of gating system for fixture casting (part 2)
Calculation of resistance cross section The total sectional area a can be calculated according to the following formula =Q/KTL in
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Defect characteristics and remedy of lamellar oxidation spot in sand casting
Defect characteristics and detection methods It is often found after sand cleaning or sand blasting of castings that the layered
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Influencing factors of crack formation in low pressure casting of automobile parts
In the casting of automobile parts, the wheel casting is a little different. Because it needs to meet a series
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How to choose top pouring system, bottom pouring system and step pouring system
For the convenience of research, the pouring system is classified into top pouring, bottom pouring and step pouring according to
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Design of gating system for fixture casting (part 1)
The pouring system is a channel to guide liquid metal into the mold cavity, which is composed of sprue cup,
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Characteristics, causes and prevention of casting cold insulation defects
Features: The appearance of the casting is incomplete, with a crack like gap or broken flow, and the metal edge
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The influence of metallurgical and modeling factors on shrinkage porosity
At present, there are many researches on the influence of metallurgical and molding factors on shrinkage cavity and porosity of
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Formation mechanism of crack in low pressure casting of automobile parts
Due to the use of lightweight aluminum alloy materials, compared with the steel and cast iron used before, automatic production
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Key technical problems of compound squeeze casting equipment
Because the equipment is the core platform for the implementation of the technology, and the composite squeeze casting method is
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Design of sand core for fixture casting
The function of sand core is to form the inner cavity, hole of casting and the part that can’t produce
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Defects of sand inclusion and scab in steel casting and preventive measures
Sand inclusion refers to that there is a layer of metal lump or sheet on the surface of the casting,