Improving the Yield of Precision Castings
Hexin precision casting on the casting defects analysis and research, is one of the key technology to improve casting yield.However, the difficulty is not small.Mainly displays in:1, involves broad scope, such as alloy, casting, molding mate...
What Type of Modification for Lost Wax C
Lost wax casting in the casting process are the different types of casting parts, then we will give the casting when forming the repair type, so what was repairing the type we are using what way?One, in the process of lost wax casting, wheth...
The main advantages of lost wax casting
The advantage of lost wax casting:1, lost wax casting, casting dimension accuracy is high, the general linear tolerance of 1%, Angle tolerance: + / - 1/2 degree, surface finish of Ra1.6-3.2: material and machining cost can be saved.2, can pr...
The Application of the Binder of Lost Wax
Lost wax casting technique in our country is now in an era of popular, so people also know that we use in lost wax casting and has been in progress, so today we are going to follow houjie toplan lost wax casting binder.Lost wax casting sodiu...
The Brief Introduction of Lost Wax Castin
1, lost wax casting is both ionic bond and covalent bond oxide, so lost wax casting is a complex homogeneous transformation of polycrystalline material;Appear in the nature of quartz is mostly low temperature type, mainly exist in quartz.2 a...
What Effect About The Cold Deformation of
A, lost wax casting the effects of cold deformation:After annealing in products, mechanical processing of warping deformation of skew, etc.1, reason: because the casting residual stress, released in the process of bad.2, countermeasure: the...
What Effect About the Thermal Deformation
When casting from the mold after demoulding, due to the different parts removed, unequal heat shrinkable lead to unequal casting size changes, the casting size.1, the reason: as the product of lost wax casting wall thickness is the same, the...
How to Accurately Inspect the Casting Def
Lost wax casting at the time of production and processing of will appear different degrees of casting defects, if the casting defects when we should be how to test?Only under the condition of the casting defect inspection out so as to make o...
Accurate Insepct Casting Defects of Lost
Lost wax casting for high pressure, vacuum casting, such as pump body, valve, pressure test should be done, to see if there are any holes casting defects.Test will have a certain pressure of the air (or water, oil, etc.) within the casting i...
Accurate Insepct Casting Defects of Lost
X-ray inspectioncan be found lost wax casting casting internal defects, such as porosity, shrinkage cavity and crack, inclusion, etc.On important castings, such as defense industry with type I castings, typically after 100% of ray inspection...
Accurate Insepct Casting Defects of Lost
Ultrasonic inspectioncan also be found lost wax casting, internal defects such as porosity, crack, inclusion, shrinkage, etc.Wall thickness of steel, using this method can detect the biggest (1000 mm) of a method.The working frequency of ult...
Wall Thickness Requirements of Precision
Die casting wall thickness (often referred to as wall thickness) is a special significance in die casting technology factors, the wall thickness has close relationship with the whole process specification, such as filling time of calculation...