Nozzle arrangement of casting mould
Generally speaking, the layout of the injection nozzle of the casting mold has the following principles: (1) The sand shooting […]
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Causes and preventive measures of casting defects caused by air holes under the skin of nodular cast iron piston rings
In cylinder casting, the subcutaneous pores are mainly distributed at the position of L ~ zmrn under the outer circular
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Gating system of EPC with bottom injection
Because the motor shell is cylindrical structure, the bottom pouring system is more suitable for the flat pouring because of
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Selection of EPC casting system for motor shell
The design principle of the pouring system is that the mold filling is stable, the temperature gradient of the molten
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Coating process of EPC coating
The common coating composition and preparation are mainly made up of a variety of raw and auxiliary materials. The coating
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Selection of foam particles for lost foam casting
The choice of foam bead is very important to the pattern of lost foam. Its quality will directly affect the
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How to solve the main problems of cast iron alloy made by lost foam casting
In view of the problems such as coarse structure and low mechanical properties in EPC iron castings, the following measures
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Process design of complex outer mold casting water jacket core for motor shell
The shell of the motor has complex appearance, including outlet box, fork hole, pitch converter mounting screw hole, rotor mounting
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Analysis of complex external mold casting technology of motor shell
The complex shape and hollow water cavity of the motor shell make the casting of the product more difficult. EPC
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The application of casting forming technology in foundry of China
Casting is a process of pouring high temperature liquid metal into mold cavity and cooling and solidification to form blank.
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Many advantages of lost foam casting make it develop rapidly in China
EPC is known as “casting technology in the 21st century”. The process is made of expandable polystyrene beads and a
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Development and progress of sand casting mold industry in China
As a common production method of castings, casting has been developed and innovated for many years. At present, sand casting,
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Market prospect of casting technology for complex water-cooled motor shell
With the increasing contradiction between the current social development and the environment, resources, as one of the pillars of the
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Defect characteristics, causes and prevention of insufficient elongation of castings
Causes: A. The composition of molten iron is unreasonable. B. Shrinkage cavity and porosity at the tensile position of the
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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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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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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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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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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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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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Forming method of composite squeeze casting
1. Definition of composite squeeze casting Direct squeeze casting technology pressure directly acts on the surface of liquid metal, the