High Speed Machining of Bio-Titanium Alloy with a Binder-Less PcBN Tool

Hirosaki, Kenichi; Shintani, Kazuhiro; Kato, Hidemi; Asakura, Fumi; Matsuo, K.

doi:10.1299/jsmec.47.14

Cited by 25 publications

(9 citation statements)

References 4 publications

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“…A binder-less PCBN tool was also attempted by Hirosaki et al (22) in the machining of a vanadium-free titanium alloy Ti-6Al-2Nb-1Ta to improve processing efficiency. This tool, which is also prepared through the direct conversion sintering of h-BN under both high pressure and temperature, shows an improved high thermal durability.…”

Section: Hsm Of Titanium Alloys With Bcbn Toolsmentioning

confidence: 99%

A Review on High-Speed Machining of Titanium Alloys

Rahman

Wang

Wong

2006

JSME Int. J., Ser. C

212

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Titanium alloys have been widely used in the aerospace, biomedical and automotive industries because of their good strength-to-weight ratio and superior corrosion resistance. However, it is very difficult to machine them due to their poor machinability. When machining titanium alloys with conventional tools, the tool wear rate progresses rapidly, and it is generally difficult to achieve a cutting speed of over 60 m/min. Other types of tool materials, including ceramic, diamond, and cubic boron nitride (CBN), are highly reactive with titanium alloys at higher temperature. However, binder-less CBN (BCBN) tools, which do not have any binder, sintering agent or catalyst, have a remarkably longer tool life than conventional CBN inserts even at high cutting speeds. In order to get deeper understanding of high speed machining (HSM) of titanium alloys, the generation of mathematical models is essential. The models are also needed to predict the machining parameters for HSM. This paper aims to give an overview of recent developments in machining and HSM of titanium alloys, geometrical modeling of HSM, and cutting force models for HSM of titanium alloys.

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Section: Hsm Of Titanium Alloys With Bcbn Toolsmentioning

confidence: 99%

A Review on High-Speed Machining of Titanium Alloys

Rahman

Wang

Wong

2006

JSME Int. J., Ser. C

212

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“…Figure 4 shows the cutting temperature measurement method. Turning is reproduced with the fly-cut system using a machining center (17)- (18) . Cutting temperature was measured using a thermocouple between ceramic coated alumel wire with diameter of 0.1mm in a V-slot in the SUS304 workpiece.…”

Section: Property Measurementsmentioning

confidence: 99%

A Study on the High-Efficiency Cutting of Austenitic Stainless Steel Using an HfN-Type Coated Tool

Kato

Shintani

Nakamura³

et al. 2012

JAMDSM

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In this study, a TiN/HfN-coated tool (THN-HF(L)) was developed to improve the processing efficiency of machining austenitic stainless steel. Using scratch tests, this tool was compared with other film-coated tools, and its critical load showed the highest value. The THN-HF(L) tool, whose film was formed in the low bias voltage condition, has a longer tool life than conventional tools. In high-speed cutting (4 or 5 m/s), its tool life is over 20 km. Even though the THN-HF(L) tool's cutting distance surpasses that of conventional tools, adhesion is controlled, and flaking of the film coating on the cutting edge is not observed.

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“…Here, the primary chemical wear mechanism was with the binder between the CBN grains in compact tools. With recently developed binderless CBN tools the attritious wear mechanisms were primarily a mixture of mechanical, adhesion and diffusion with no dominating chemical wear factor [14]. Kugemai et al [13] showed that, when grinding titanium, diamond abrasive gave the highest G Ratio, lowest grinding forces and lowest grinding temperatures of all the standard abrasive types including alumina-zirconias while alumina based grains gave the worst.…”

Section: )mentioning

confidence: 99%

Abrasive Tools and Bonding Systems

Jackson

Hitchiner²

2010

Machining With Abrasives

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The manufacture of high performance grinding wheels is heavily dependent upon the selecting the correct abrasive grain in terms of cutting ability, fracturing ability and the shape of the grain that controls metal removal rate, dressing interval, coolant delivery to the wheel-workpiece interface and chip evacuation. This chapter explains the recent developments in abrasive grains and bonding systems and should allow the reader to better select the correct abrasive grain and bonding system to economically machine materials.

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High Speed Machining of Bio-Titanium Alloy with a Binder-Less PcBN Tool

Cited by 25 publications

References 4 publications

A Review on High-Speed Machining of Titanium Alloys

A Review on High-Speed Machining of Titanium Alloys

A Study on the High-Efficiency Cutting of Austenitic Stainless Steel Using an HfN-Type Coated Tool

Abrasive Tools and Bonding Systems

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