Production of Five Pitch Gear Rail by Coated Resin Sand

Feng Yihong; Yun Xuefeng; Liu Yuhang; Huo Zhigang

doi:10.15980/j.tzzz.2015.05.030

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Production of Five Pitch Gear Rail by Coated Resin Sand
Vol. 35, Issue 5, Pages: 559-560(2015)
Published： 2015 ，
DOI： 10.15980/j.tzzz.2015.05.030

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[1]冯义宏,云雪峰,刘宇航,霍志刚.覆膜砂生产五节距齿轨工艺研究[J].特种铸造及有色合金,2015,35(05):559-560.

Feng Yihong, Yun Xuefeng, Liu Yuhang, et al. Production of Five Pitch Gear Rail by Coated Resin Sand. [J]. Special Casting & Nonferrous Alloys 35(5):559-560(2015)
[1]冯义宏,云雪峰,刘宇航,霍志刚.覆膜砂生产五节距齿轨工艺研究[J].特种铸造及有色合金,2015,35(05):559-560. DOI： 10.15980/j.tzzz.2015.05.030.

Feng Yihong, Yun Xuefeng, Liu Yuhang, et al. Production of Five Pitch Gear Rail by Coated Resin Sand. [J]. Special Casting & Nonferrous Alloys 35(5):559-560(2015) DOI： 10.15980/j.tzzz.2015.05.030.

摘要

分析了覆膜砂生产五节距齿轨过程中的工艺难点

铸件在造型时砂箱倾斜角度为（20±5）°

浇注时负压值为（0.04±0.01）MPa

浇注温度为（1 540±10）℃

点注2

次

撒保温剂。保压时间为（300±5）s

泄压后冷却5h后打箱

铸件的外观及内部品质可以达到最优。

Abstract

The technological probelems in production of five picth gear rail by coated resin sand were described.Sand box is tilted to（20±5）°during moulding

and pouring was conducted at（1 540±10）℃with pressure of（0.04±0.01）MPa and 2

pit pouring as well as heat preservation agent treatment.Through holding pressure for（300±5）s and cooling for 5hours after pressure-exhausting and then shaking out

the appearance and inner quality of the gear rail parts exhibit satisfactory.

关键词

覆膜砂五节距齿轨负压浇注

Keywords

Coated Resin SandFive Pitch Gear RailNegative Pressure Pouring

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