Electrochemical performance test of nodular cast iron plunger pump block
The corrtest electrochemical test system can automatically carry out the electrochemical corrosion test and fit the test curve. Before the […]
Scientific
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Selection of gating system for sand casting axle housing
The gating system is the channel to guide liquid metal into the mold cavity in sand mold. Its structure is
Scientific
Friction and wear properties of nodular cast iron plunger pump block
The friction and wear tests of nitrocarburizing samples were carried out on a friction and wear testing machine. The friction
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Basic theory analysis and gating system structure design of liquid metal filling for sand casting axle housing
Numerical simulation is a method that uses the correspondence between different things to verify measures. Numerical simulation is irreversible. Casting
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Determination of casting process tolerance zone for sand casting axle housing
Casting process parameters mainly include dimensional tolerance, linear shrinkage, draft angle and other aspects. The determination of these process parameters
Scientific
Pearlite content in cylinder block of nodular cast iron plunger pump
According to the statistics of pearlite content in the structure of nodular cast iron under corrosion state, the gray data
Scientific
Improvement of sand hole defect in crankshaft casting of large engine
In the molding process of sand coated iron mold, sand collapse and empty shell are the important reasons for sand
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Sand casting bridge shell casting technology shrinkage of bridge shell
The linear shrinkage of the bridge shell has a great influence on the accuracy of the size of the bridge
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Determination of pouring temperature for sand casting axle housing
Generally speaking, the higher the pouring temperature is, the better the fluidity of alloy liquid is, and the more favorable
Scientific
Calculation of spheroidization rate of nodular cast iron plunger pump
Spheroidization rate is one of the important and often used evaluation criteria of ductile iron. The calculation method is as
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Determination of parting surface for sand casting axle housing
For sand mold casting, in order to realize sand molding, mold taking, pouring riser setting and sand core installation, the
Scientific
Graphite characteristic analysis of nodular cast iron plunger pump block
Based on the national standard GB / T 9441-2009 metallographic examination of nodular cast iron, the following four parameters are
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Determination of casting position of axle housing in sand casting
The pouring position usually refers to the position of the axle housing in the mold when pouring. The pouring position
Scientific
Experimental scheme of nodular cast iron plunger pump block
In order to avoid too many times of Nitrocarburizing on different parts of lzqt600-3 ductile iron profile, the difficulty of
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Composition requirements of main casting accessories for sand casting axle housing
For cast steel, the main raw materials include scrap steel, ferrosilicon, manganese iron and aluminum alloy deoxidizer, and the main
Scientific
Preparation of cylinder block of nodular cast iron plunger pump
During the production of lzqt600-3 ductile iron profile, due to its inherent process characteristics, the molten iron after spheroidizing treatment
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Selection of raw materials for sand casting axle housing
(1) Scrap steel is the main raw material for casting smelting. Two samples are randomly selected from each batch for
Scientific
Air tightness test of sand casting axle housing
Air tightness test, also known as sealing test, is an important indicator to judge whether there is internal defect in
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Design requirements and structure analysis of sand casting axle housing
The structural types of axle housing can be roughly divided into three types: open type, integral type and combined type.
Scientific
Inspection of axle housing section in sand casting
In order to verify the feasibility of casting process, the sample of open axle housing was trial produced according to
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Process analysis and process parameters determination of casting structure of axle housing
The structural design of the axle housing can be roughly divided into the following aspects: the functional design of the
Scientific
Comparison and analysis of optimization design results of gating system for sand casting axle housing
After adding riser and chill to the gating system, mesh division, casting parameters setting and pouring process simulation calculation are
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Research on sand mold casting technology of tractor axle housing
Taking the tractor split axle housing as the research object, the paper firstly analyzes the process of the overall structure
Scientific
Optimization design of chill for sand casting axle housing
The cold iron is directly attached to the area where the riser is not suitable. Because of the chilling effect
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Main quality problems of casting axle housing
At present, most companies use sodium silicate sand mold casting and V-method casting process for production. In view of the
Scientific
Design of riser for sand casting axle housing
The ratio of the volume of the axle housing divided by the heat transfer surface area is called the solidification
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Main research contents of sand mold casting technology for tractor open axle housing
As the key part of tractor, the main research contents are as follows: firstly, analyze the process of axle housing
Scientific
Analysis and comparison of shrinkage and porosity solidification defects of molten metal in sand casting axle housing
Shrinkage cavity is a common casting defect, which is essentially a volume defect. According to the causes, it can be
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Development prospect of casting simulation technology
Since the 21st century, solidification numerical simulation technology has been developing continuously, and it is in the stage of optimization
Scientific
Temperature field simulation of molten metal in sand casting axle housing
Simulation and analysis of temperature field in closed gating system of axle housing The simulation of temperature field is shown