Cost Analysis and Technological Improvement of Compound Shell Mold for Investment Casting

Li Haishu

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Cost Analysis and Technological Improvement of Compound Shell Mold for Investment Casting
Issue 2, Pages: 110-111(2005)
Published： 2005 ，
DOI：

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[1]李海树.熔模铸造复合型壳成本分析与工艺改进[J].特种铸造及有色合金,2005(02):110-111+63.

Li Haishu. Cost Analysis and Technological Improvement of Compound Shell Mold for Investment Casting. [J]. Special Casting & Nonferrous Alloys (2):110-111(2005)
[1]李海树.熔模铸造复合型壳成本分析与工艺改进[J].特种铸造及有色合金,2005(02):110-111+63. DOI：

Li Haishu. Cost Analysis and Technological Improvement of Compound Shell Mold for Investment Casting. [J]. Special Casting & Nonferrous Alloys (2):110-111(2005) DOI：

摘要

通过对熔模铸造复合型壳材料成本的分析

找出影响复合型壳制造成本的主要原材料

用棕刚玉粉代替锆英粉

用石英砂代替锆英砂。同时进行工艺分析与工艺改进

采用交替撒砂工艺方法

改善了型壳综合性能

降低了复合型壳工艺精铸件的制造成本

与原工艺比较

材料成本下降约 5 0 %

Abstract

The predominant factors influencing the cost were raw materials through analyzing the cost of the compound shell mold for investment casting

so the Al

powder instead of ZrO

powder and SiO

sand instead of ZrO

sand were used for a compound shell mold.The comprehensive properties of the shell were improved and the cost was reduced by alternative stucco method based on analysis of the technology.Compared with the conventional technology

the cost of the materials was decreased by 50%.