Test conditions and methods of crankshaft shell casting process
1. Melting, spheroidizing and inoculation treatment 1000kW medium frequency induction furnace is adopted for smelting, and the charge is 90% […]
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Original casting technology of excavator rear axle
The rear axle of the excavator is shell type and of high quality. The original process of the factory adopts
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Analysis of mold filling and solidification process of stepped gating system for sand casting of tractor box
Figure 1 shows the filling process of the stepped gating system used in the sand casting of the tractor box.
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Reducing pouring “temperature” to reduce sand hole and air hole defects of large steel castings
Reducing pouring “temperature” to reduce sand hole and air hole defects of large steel castings Reducing the pouring “temperature” is
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Optimization of casting process for rear axle of high speed excavator
The rear axle of high-speed excavator is the installation device of differential and half shaft, and bears the counter torque
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Sand sticking casting defects of bucket teeth castings
There is a layer of sand particles on the surface of castings that are difficult to remove, which is called
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Invasive porosity casting defects of bucket teeth castings
Take the bucket tooth sleeve of loader as an example (as shown in Figure 1). The single blank mass of
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Nodular cast iron crankshaft shell casting
Through analysis, for the nodular cast iron crankshaft shell casting with higher and higher requirements, the future research work will
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Weichai Power Co., Ltd. casting and forging plant
Company profile: Weichai Power Co., Ltd. is a key backbone enterprise of national internal combustion engine R & D, manufacturing
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Cause analysis of local core break in the inner cavity of cylinder water jacket of cylinder block sand casting
Volkswagen series product – a cylinder block a, there was a batch of local core breaking defects at the bottom
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Determination of other process parameters of high temperature and high pressure valve castings
Effective control of other process parameters can avoid cracks in valve castings. These processes mainly refer to the process of
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Minimum sectional area of gating system for tractor box castings
Among the sub units of the pouring system of tractor box castings, the unit with the minimum cross-sectional area is
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Analysis on structure and technology of tractor box casting
The structural diagram of each direction of the tractor reducer box is shown in Figure 1. The mass of the
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Crankshaft casting of single cylinder diesel engine
The design of crankshaft castings for S1100 single cylinder diesel engine is shown in Figure 1: In order to minimize
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Bucket teeth casting shell casting
Shell mold casting, a casting method for producing castings with thin shell mold. A kind of molding sand (phenolic resin
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Optimization of sand casting process for tractor box
For the stepped pouring scheme, the pouring temperature of 1400 “C and the pouring speed of 6.8kg/s are the most
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Production and development of SAF2507 stainless steel valve casting
Technical parameters of rusty steel valve castings: Name: gate valve (composed of valve body, valve break and rocker) Pressure: 1500
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Spheroidizing quality of crankshaft cast iron
Magnesium is the main graphitization element, and the spheroidizing ability of rare earth is only one third of that of
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Control of other elements in ductile iron
(1) Composition control and selection of as Cast Ferritic Nodular Iron: Micro hypereutectic composition, in which the carbon is slightly
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Pouring temperature of nodular cast iron
It is recommended that the optimum spheroidizing temperature range is 1420-1480 ℃, the spheroidizing temperature of nodular cast iron is
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Analysis and design of crankshaft shell casting process
Through research and production practice, the following key problems must be solved in order to produce high-quality and mass qualified
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Die design of diesel engine crankshaft casting
1. Design of formwork thickness The following contents shall be considered in the design of formwork: (1) the mold shell
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Analysis of mold filling and solidification process of top injection gating system for tractor box sand casting
The top pouring system of sand mold casting for tractor box adopts rain pouring, which is divided into four oval
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Study on crankshaft shell casting
Since the development and popularization of the process of producing crankshaft with iron film coated sand in the 1970s, due
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Increasing pouring speed and reducing sand hole and air hole defects of large steel castings
① Increase the diameter of ladle nozzle and the size of gating system; ② Increase the number of ladle nozzles;
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Development and application of shell casting in China
Although the application of shell casting in China is more than ten years later than that in foreign countries, it
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Crankshaft shell casting process design
The shell mold casting process of S1100 single cylinder diesel engine crankshaft was studied. S1100 single cylinder diesel engine crankshaft
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Shanghai Diesel Engine Co., Ltd. Foundry Branch
Company profile: The Foundry Branch of Shanghai Diesel Engine Co., Ltd., located at No. 2636, Jungong Road, Shanghai, is a
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Prevention measures of sand sticking casting defects of excavator bucket teeth
Therefore, we analyze and sort out the causes of sand sticking in cast wear-resistant low alloy steel and the preventive
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Development and application of shell casting in foreign countries
In 1940, Johannes Croning, a German engineer, invented the thermal method for manufacturing shell mold, which is called “C” method