Production of Large Al-Si Alloy Piston by Low Pressure Casting

Chen Xianjun

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Production of Large Al-Si Alloy Piston by Low Pressure Casting
Issue 7, Pages: 527-528(2008)
Published： 2008 ，
DOI：

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[1]程先军.大型Al-Si活塞低压铸造工艺研究[J].特种铸造及有色合金,2008(07):527-528+489.

Chen Xianjun. Production of Large Al-Si Alloy Piston by Low Pressure Casting. [J]. Special Casting & Nonferrous Alloys (7):527-528(2008)
[1]程先军.大型Al-Si活塞低压铸造工艺研究[J].特种铸造及有色合金,2008(07):527-528+489. DOI：

Chen Xianjun. Production of Large Al-Si Alloy Piston by Low Pressure Casting. [J]. Special Casting & Nonferrous Alloys (7):527-528(2008) DOI：

摘要

论述了大型Al-Si活塞的低压铸造工艺

包括铝液的浇注温度、模具温度、模具的冷却与涂料以及活塞的浇注工艺。以缸径为300mm的活塞为例

在浇注温度为640℃、充型压力为0.025MPa、充型速度为0.4m/s、结晶压力为0.22

.25MPa、结晶时间为13

4min的工艺条件下

其生产效率和产品品质均达到批量生产的要求。

Abstract

The pouring temperature

mould temperature

mould cooling and coating as well as pouring process of large Al-Si alloy piston in low pressure casting were described. The production efficiency and quality of Al-Si alloy with 300 mm in diameters can meet the production-volume requirements with pouring at 640 ℃ and filling at 0.025 MPa and 0.4 m/s as well as holding pressure at 0.22

.25 MPa for 13

4 min.