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Certification: ISO9001:2008
Place Of Origin: Jiangsu China
Model Number: precision casting
Process: Lost Wax Casting
Service: OEM ODM
Casting Tolerance: CT5-7
Material: Stainless Steel Carbon Steel Alloy Steel
Standard: GB ASTM AISI DIN BS
Finish: Polishing,Shoot blasting,Glass bead sand blasting ,etc.
Application: Automotive, Pipage,Home appliances, Electronics,etc.
Packaging: cartons
Transportation: Ocean,Land,Air,Express
Supply Ability: 100000ton
Port: shanghai,ningbo
Payment Type: L/C,T/T,D/P,D/A
Incoterm: EXW,CIF,CFR,FOB
Factors Affecting Dimensional Accuracy of precision casting
In general, the dimensional accuracy of Precision Casting is affected by many factors such as casting structure, casting material, mold making, shell making, roasting, pouring, etc. Any one of the link settings and unreasonable operation will change the shrinkage rate of the Lost wax casting. Lead to the deviation of investment casting dimensional accuracy and requirements. The following are factors that can cause dimensional accuracy defects in precision castings:
(1) The influence of the casting structure: a. The wall thickness of the casting has a large shrinkage rate, and the casting wall is thin and the shrinkage rate is small. b. The free shrinkage rate is large, and the hindered shrinkage rate is small.
(2) Influence of casting material: a. The higher the carbon content in the material, the smaller the linear shrinkage rate, the lower the carbon content, the greater the linear shrinkage rate. b. The casting shrinkage rate of common materials is as follows: casting shrinkage rate K=(LM-LJ)/LJ×100%, LM is the cavity size, and LJ is the casting size. K is affected by the following factors: wax mold K1, casting structure K2, alloy type K3, pouring temperature K4
Product Categories : OEM Part > Precision Casting
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