TC4钛合金高效磨削加工用环形热管砂轮的研制

doi:10.7527/S1000-6893.2013.0288

Abstract

Abstract:

Workpiece burnout is one of the distressing problems to be solved for the difficult-to-machine material TC4 titanium alloy due to the high grinding temperature caused by excessive grinding heat accumulation in the grinding zone. A new method of cooling the grinding zone by means of heat pipe technology is proposed in this paper. The heat transfer principle of an annular heat pipe grinding wheel(HPGW)was illustrated in the grinding process and an annular HPGW was designed and developed for high efficiency grinding of titanium alloy TC4. The manufacture was performed of annular heat pipe in the wheel consisting of three processes of vacuum pumping, working fluid filling and mechanical sealing. Finally, grinding experiments with different wheels (HPGW and non-HPGW) were carried out to verify the effect of enhancing heat transfer in the grinding zone under the same grinding condition for titanium alloy TC4. The results show that using the HPGW can effectively reduce the grinding temperature and prevent burnout in the grinding process.

Key words: titanium alloys, high efficiency grinding, grinding burnout, annular heat pipe grinding wheel, grinding temperature

CLC Number:

HE Qingshan, FU Yucan, XU Hongjun, MA Ke, CHEN Chen. Development of Annular Heat Pipe Grinding Wheel for High Efficiency Machining of TC4 Titanium Alloy[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2013, 34(7): 1740-1747.

References

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Development of Annular Heat Pipe Grinding Wheel for High Efficiency Machining of TC4 Titanium Alloy

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