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整体喷嘴环的熔模铸造技术及机械加工工艺研究
Study on Investment Casting Technology and Machining Process of Integral Nozzle Ring
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- DOI:
- 作者:
- 丁月钢 闫晓 侯婷婷 丁月玲
DING Yuegang;YAN Xiao;HOU Tingting;DING Yueling
- 作者单位:
- 大同北方天力增压技术有限公司 山西柴油机工业有限公司
Datong North Tianli Turbocharging Technology Co.,Ltd.,Datong 037036,China;Shanxi Diesel Engine Industry Co.,Ltd,Datong 037036,China
- 关键词:
- 涡轮增压器 整体喷嘴环 分体式蜡模 机械加工
turbocharger integral nozzle ring split wax mold machining
- 摘要:
- 由于整体喷嘴环熔模铸造后整体脱模困难,采用三维计算机软件CAD/CAM设计出整体喷嘴环分体式模具,开发了悬臂薄叶片喷嘴环K213高温合金整体浇注成型技术,并研究了高温合金难加工材料的加工方法。结果表明,经分体式模具制备的喷嘴环铸件无明显铸造缺陷,合格率达到70%;对喷嘴环的切削参数以及刀具进行合理选择,保证了表面加工质量和尺寸精度,提高了生产效率,降低了成本。
Due to the difficulty of integral demoulding after integral nozzle annular investment casting,a split mold of the integral nozzle ring was designed by CAD/CAM,the integral casting technology of the cantilever thin blade nozzle ring K213 superalloy was developed,and the processing method of the refractory materials of the superalloy was studied.The results show that there are no obvious casting defects in the nozzle ring castings prepared by the split die,and the qualified rate reaches 70%.Reasonable selection of cutting parameters and cutting tools of nozzle ring can ensure surface machining quality and dimensional accuracy,improve production efficiency and reduce cost.