Orthogonal experimental design for low-pressure casting
There are many process parameters of low pressure casting, among which the temperature distribution and filling speed have great influence […]
There are many process parameters of low pressure casting, among which the temperature distribution and filling speed have great influence […]
1. Typing scheme The parting scheme is that the motor hole flange is facing down, and the parting is carried
1. Structure of nodular cast iron The material grade of the ductile iron parts for the main shaft of the
The turbine guide is made of K4169 superalloy, and its structure consists of inner ring, outer ring, flange and blade.
1. Design of pouring system scheme Based on the design principles of component structure and investment casting gating system, three
Switch to the cast module, set simulation parameters, edit materials on the user defined page, edit the composition of 304
Raw material 316 stainless steel Ferrosilicon Electrolytic manganese Microcarbon ferrochrome Nickel plate Ferromolybdenum Electrolytic copper Total Weight/kg 495 10 5
As shown in the table, the composition after furnace of CN7M scrapped products of ZHY Casting 3 heats randomly selected.
Cut a crack sample in the middle (see the black box position in Figure 1). The appearance of the crack
CN7M investment casting material is austenitic stainless steel with good corrosion resistance, and its chemical composition is shown in the
1. Orthogonal experimental design In sand casting, pouring temperature and pouring speed are two important parameters in the sand casting
Sandwich is a kind of iron-coated sand defect caused by excessive temperature of molten iron, insufficient fire resistance of coating,
Body sampling is required for vermicular graphite cast iron cylinder block. The sampling location and standard requirements are shown in
A steam turbine is an external combustion rotary machine that can convert steam heat energy into mechanical energy. After entering
1 Scheme design (1) The horizontal parting resin sand molding and bottom pouring scheme are adopted, as shown in Figure
There are many casting process parameters that affect the forming quality of fixed disk investment castings, such as liquid metal
Firstly, the 3D modeling software Creo2. 0 is used to model the steel casting process, and then the ProCAST software
The drive wheel is an important part of a large crawler agricultural tractor. The material grade of nodular cast iron
1. Phase composition of cast A356.2 (Sc, La) aluminum alloy It can be seen from the XRD analysis and test
The material used in the experiment is A356.2 aluminum alloy. The rare earth elements Sc and La are added in
The cold shut defect was found at the oil hole at the far end of the die casting part, and
From the simulation results, it can be seen that the heat loss at the thin wall of the casting is
New energy vehicles are regarded as key projects to alleviate energy consumption and environmental problems, and become a key development
Stiffness index Standard requirements Measured value in December 2016 Measured value in March 2021 Change significance Camber of main beam
The test stress spectrum of the maximum tensile stress of the midspan section of the main beam under 13 working
The main structure of the casting crane is easy to be damaged and destroyed at the welding seam or the
The structural health monitoring of the casting crane is to evaluate the safety degree or health status of the metal
1. Fracture morphology Figure 1 shows the fracture morphology of the end cover crack. The crack starts at the back
Due to the special operating environment, rail transit trains are subject to impact and vibration during normal operation, so the
The impeller in question is made of ZTC4 titanium alloy, and its chemical composition should meet the requirements of Cast