Deep-Hole Drilling Negative Pressure Device Injection Process Simulation Analysis Based on Fluent

Zhen Ya Chen; Xing Quan Shen; Zhi Jie Xin

doi:10.4028/www.scientific.net/AMM.602-605.680

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 602-605Deep-Hole Drilling Negative Pressure Device...

Deep-Hole Drilling Negative Pressure Device Injection Process Simulation Analysis Based on Fluent

Abstract:

In the process of DF system machining the small diameter deep hole, the working parameters of negative pressure device has a great influence, including injection coefficient, chip removal of cross-sectional area ratio, discharge pressure, negative pressure number, etc. Injection coefficient has the non-linear proportional relationship with chip removal of cross-sectional area ratio, with the increasing incidence of negative pressure discharge pressure increases, as well as, increasing negative pressure number to improve chip removal have a good effect. Movement patterns of cutting fluid is simulated, energy loss of cutting fluid in the flow is studied, finding curved edge nozzle has better negative effects than straight edge nozzle. The effect of negative pressure pumping crumbs is analyzed, the injection process of negative pressure device is simulated, and the form of the fluid motion in negative pressure nozzle is got based on Fluent, which have a good guide for the actual production and machining.

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Periodical:

Applied Mechanics and Materials (Volumes 602-605)

Pages:

680-683

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.602-605.680

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Online since:

August 2014

Authors:

Zhen Ya Chen*, Xing Quan Shen, Zhi Jie Xin

Keywords:

Deep-Hole Drilling, Fluent, Negative Pressure Device, Simulation Analysis

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* - Corresponding Author

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