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C/SiC复合材料螺旋铣削与钻削制孔效果对比
张瑾瑜1,王宁1,赵建设2,梁祖典1,程蕾1
1.中国运载火箭技术研究院,北京 100076;2.航天材料及工艺研究所,北京 100076
摘要:
文 摘 采用PCD刀具对C/SiC复合材料螺旋铣削与钻削制孔的制孔效果进行了对比研究。在同等加工效率条件下测量了PCD螺旋铣削与钻削制孔两种制孔方法产生的切削力及切削热,并观察了两种制孔方法的制孔质量。试验结果表明:PCD螺旋铣孔产生的轴向力小于PCD钻孔产生的轴向力,约为钻孔的56.9%;PCD螺旋铣孔的孔壁粗糙度及孔径差均小于钻削;PCD钻孔产生的切削热少于PCD螺旋铣削制孔,约占PCD螺旋铣的58.7%,但PCD螺旋铣产生的切削热对材料及刀具的影响小。
关键词:  C/SiC复合材料,螺旋铣削制孔,钻削制孔
DOI:10.12044/j.issn.1007-2330.XXXX.XX.001
分类号:TB33
基金项目:
Comparison between Helical Milling and Drilling of C/SiC Composite Materials
ZHANG Jinyu1, WANG Ning1, ZHAO Jianshe2, LIANG Zudian1, CHENG Lei1
1.China Academy of Launch Vehicle Technology,Beijing 100076;2.Aerospace Research Institute of Materials & ProcessingTechnology,Beijing 100076
Abstract:
This artical carried out a comparative study between helical milling and drilling of C/SiC composite ma- terials. The cutting force,cutting temperature and hole quality of helical milling and drilling were measured under the same working efficiency. The results indicate that the axial force of PCD helical milling is less than PCD drilling and ocuppies nearly 56.9% of PCD drilling. The hole roughness and tolerance of helical milling are less than drilling. The cutting temperature of PCD drilling is less than helical milling and ccupies 58.7% of helical milling. In addition, the cutting heat of helical milling has a small influence on C/SiC composite materials and PCD tools.
Key words:  C/SiC  composite materials, helical  milling, drilling