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J. Manuf. Mater. Process. 2018, 2(2), 39; https://doi.org/10.3390/jmmp2020039

Development of a New Forced Cooling Technology Using a High-Pressure Coolant for Machining Difficult-To-Machine Materials

1
Department of Mechanical Engineering, Nagaoka University of Technology, Nagaoka 940-2188, Japan
2
Center for Integrated Technology Support, Nagaoka University of Technology, Nagaoka 940-2188, Japan
*
Author to whom correspondence should be addressed.
Received: 9 May 2018 / Revised: 30 May 2018 / Accepted: 6 June 2018 / Published: 12 June 2018
(This article belongs to the Special Issue New Findings and Approaches in Machining Processes)
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Abstract

In recent years, titanium and nickel alloys have become relevant in the production of aeronautic and astronautic parts. Since both nickel and titanium alloys have a very small thermal conductivity, the used tool will suffer huge damage from the heat generated during a grinding process. Therefore, there is a requirement for a durable tool with excellent cooling capacity. In this research, a new forced cooling technology that uses high-pressure coolant for machining difficult-to-machine materials was developed and evaluated. Here, a through hole on the rake face near the turning tool tip was machined by electrical discharge machining. Then, high-pressure coolant was supplied to the turning tool from the machined hole. Several values of pressure were experimentally performed. It is concluded from the results that the technology could effectively cool the area near the tip of a turning tool, and that the chip was also effectively removed by the high-pressure coolant. View Full-Text
Keywords: forced cooling; cutting; difficult-to-machine materials; coolant forced cooling; cutting; difficult-to-machine materials; coolant
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Tanabe, I.; Hoshino, H. Development of a New Forced Cooling Technology Using a High-Pressure Coolant for Machining Difficult-To-Machine Materials. J. Manuf. Mater. Process. 2018, 2, 39.

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