Prospective control experiment and analysis of five axis simultaneous high speed forming of sand mold
The z-axis is selected as the prospective control axis to verify the effect of five axis linkage speed control. Take […]
Scientific
Scientific
Scientific
High speed feed experiment of five axis simultaneous forming of sand mold
In order to further improve the efficiency of sand mold five axis linkage forming, in the above impeller sand mold
Scientific
Analysis of velocity fluctuation in five axis simultaneous forming of sand mold
In the process of five axis machining, due to the large amount of data, the control system can not carry
Scientific
Five axis simultaneous forming experiment of casting sand mold
The experimental equipment is a digital five axis dieless casting precision forming machine developed by the General Institute of mechanical
Scientific
Calculation of five axis simultaneous forming of sand mold
The three-dimensional modeling of impeller sand mold is carried out by UG, and the automatic cutter shaft machining mode is
Scientific
Single axis look ahead control strategy for five axis simultaneous high speed forming of sand mold
In order to limit the speed of each axis in the process of five axis simultaneous high-speed forming of sand
Scientific
RTCP kinematic model of five axis simultaneous forming of sand mold
The five axis machine tool with double turntable structure has a smaller part size, while the sand mold is mainly
Scientific
Casting heat treatment process of ductile iron piston
Normalizing ductile iron piston Normalizing, also known as normalizing, is to heat the workpiece to Ac3 or Accm above 30~50
Scientific
Matters needing attention in casting process of ductile iron piston
The wall thickness of ductile iron piston varies greatly, the thinnest part is 7.5 mm, the thickest part is 23
Scientific
Casting technology of ductile iron piston
The casting properties of ductile iron have the following characteristics ① The content of sulfide and oxide in molten iron
Scientific
Metallographic structure defect of heavy section position of nodular cast iron into cylinder
The floating of graphite and abnormal shape of graphite in the center is a kind of metallographic structure defect associated
Scientific
Effect of process parameters on solid-liquid segregation in semi-solid die casting with thick wall
Solid liquid segregation is one of the main defects in thick wall products. Under the condition of good feeding condition
Scientific
Effect of mold temperature on shrinkage and porosity of semi solid die casting thick wall castings
In this experiment, the method of controlling variables is adopted. The mold temperature is set as 230 ° C, 140
Scientific
Effect of handle thickness on shrinkage cavity and porosity of semi solid die casting thick wall casting
In this test, the control variable method is adopted, and the material handle thickness is set as 16mm, 31mm, 42mm
Scientific
Effect of pressurization pressure on shrinkage porosity of semi solid die casting thick wall castings
In this test, the method of variable control was adopted. Under the condition of other parameters unchanged, the boosting pressure
Scientific
Feeding technology of casting die for automobile disc brake caliper
Taking a brake caliper casting of MQB platform of Volkswagen as the research object, a series of research on the
Scientific
Optimization and verification of gating system for brake caliper mold
According to the above theory, in order to meet the requirements of the sectional area of the sprue, it is
Scientific
Inspection and analysis of brake caliper mold pouring test
(1) The 3D scanning equipment is used to scan the casting surface one by one, and then the three-dimensional surface
Scientific
Casting test of brake caliper mould
The proportion of raw materials for smelting is scrap: recycled material = 4:6, and the composition of molten iron after
Scientific
Filling simulation of gating system for automobile disc brake caliper
The simulation results of filling temperature field are shown in Figure 1. It can be seen that the filling liquid
Scientific
Design of casting gate system for die of automobile disc brake caliper
(1) Confirmation of number of cavities and type of gating system The equipment model is disa230x, and the mold plate
Scientific
Introduction of gating system for casting parts of automobile disc brake caliper
The gating system is composed of a gate cup, a runner, a sprue and an inner gate. It is a
Scientific
Basic measures to prevent shrinkage porosity of nodular graphite castings
Inoculation treatment: inoculation treatment of nodular cast iron can improve the roundness of graphite ball, improve the spheroidization rate, and
Scientific
Basic measures to prevent shrinkage porosity of castings
The causes of shrinkage cavity and porosity of nodular cast iron are complex. The main factors affecting primary shrinkage, volume
Scientific
Common skills of casting runner design
Sand slag hole is the most common surface defect of sand mold casting, which is difficult to avoid and usually
Scientific
Causes of shrinkage porosity in ductile iron castings
The solidification process of ductile iron castings is generally a process of shrinkage, expansion and re shrinkage. Although the precipitation
Scientific
Selection of casting gate cup and runner shape for automobile disc brake caliper
To obtain a dense casting, the sprue cup should be poured as soon as possible and always filled during the
Scientific
Solidification characteristics of ductile iron casting
Nodular cast iron (ductile iron for short) is the 50th century A kind of high strength cast iron developed in
Scientific
Calculation of casting gating system for automobile disc brake caliper
The flow rate W is defined as the metal weight passing through the cross-sectional area of the gating system within
Scientific
Hot spot / modulus simulation analysis of brake caliper casting parts
Before designing the mold process, the natural properties of the parts should be analyzed, including weight, volume, surface area, number