Thermo-Mechanical Tool Load during High Performance Cutting of Hard-to-Cut Materials

Klocke, Fritz; Krämer, A.; Sangermann, Hubertus; Lung, Dieter

doi:10.1016/j.procir.2012.04.053

Cited by 68 publications

(35 citation statements)

References 10 publications

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“…Consequently, if the tool-chip contact area is reduced too much, the process temperature and mechanical load will act on a small area close to the cutting edge and may result in chipping. Similar results as Ezugwu and Bonney [65] were achieved in other studies on turning Inconel 718 with high-pressure lubricoolant supply [66,111].…”

Section: High-pressure Lubricoolant Supplysupporting

confidence: 86%

“…For turning, grooving, drilling as well as milling of titanium alloys, high-pressure lubrication coolant supply offers a very high potential [111,191]. Palanisamy et al [167] achieved a threefold tool life with a coolant pressure of p = 90 bar compared to conventional flood cooling while rough turning Ti-6Al-4V.…”

Section: High-pressure Lubricoolant Supplymentioning

confidence: 99%

“…Klocke et al [111] investigated the influence of various coolant supply pressures and flow rates by varying the orifice diameter of the coolant jet. They detected a significant reduction of tool temperature for increasing coolant pressure, whereas the flow rate had only minor influence.…”

Section: High-pressure Lubricoolant Supplymentioning

confidence: 99%

“…Using CO 2 as cryogenic media, positive results on tool life and surface integrity during turning titanium alloys has been reported by several authors [109,111,137].…”

Section: Cryogenic Machiningmentioning

confidence: 99%

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High performance cutting of advanced aerospace alloys and composite materials

M’Saoubi¹,

et al. 2015

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Section: High-pressure Lubricoolant Supplysupporting

confidence: 86%

Section: High-pressure Lubricoolant Supplymentioning

confidence: 99%

Section: High-pressure Lubricoolant Supplymentioning

confidence: 99%

“…Using CO 2 as cryogenic media, positive results on tool life and surface integrity during turning titanium alloys has been reported by several authors [109,111,137].…”

Section: Cryogenic Machiningmentioning

confidence: 99%

See 2 more Smart Citations

High performance cutting of advanced aerospace alloys and composite materials

M’Saoubi¹,

et al. 2015

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“…These materials are characterized for combining hardness with low thermal conduction and good ductility [3,4]. However, these alloys are known as difficult-to-cut materials, implying premature tool wear and high cutting forces [5][6][7]. Additionally, in the particular case of Blisk, difficulties are not only presented in blade manufacturing processes, but also as an extra challenge consists of fir-trees junctions manufacturing.…”

Section: Introductionmentioning

confidence: 99%

Super Abrasive Machining of Integral Rotary Components Using Grinding Flank Tools

González

Calleja

Pereira

et al. 2018

Metals

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Manufacturing techniques that are applied to turbomachinery components represent a challenge in the aeronautic sector. These components require high resistant super-alloys in order to satisfy the extreme working conditions they have to support during their useful life. Besides, in the particular case of Integrally Bladed Rotors (IBR), usually present complex geometries that need to be roughed and finished by milling and grinding processes, respectively. In order to improve their manufacturing processes, Super Abrasive Machining (SAM) is presented as a solution because it combines the advantages of the use of grinding tools with milling feed rates. However, this innovative technique usually needed high tool rotary speed and pure cutting oils cooling. These issues implied that SAM technique was not feasible in conventional machining centers. In this work, these matters were tackled and the possibility of using SAM in these five-axis centers with emulsion coolants was achieved. To verify this approach, Inconel 718 single blades with non-ruled surfaces were manufactured with Flank-SAM technique and conventional milling process, analyzing cutting forces, surface roughness, and dimension accuracy in both cases. The results show that SAM implies a suitable, controllable, and predictable process to improve the manufacture of aeronautical critical components, such as IBR.

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Influence of cryogenic lubrication on the tribological properties of Ti6Al4V and Inconel 718 alloys under extreme contact conditions

Courbon

Pušavec

Dumont

et al. 2014

Lubrication Science

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The proposed paper is focusing on the influence of cryogenic lubrication on friction within the context of machining TiAl6V4 and Inconel 718 alloys with carbide cutting tools. Several wear improvements have been reported in the literature when using liquid or gas nitrogen as cooling-lubrication fluids compared with dry machining or to conventional emulsion lubrication. However, it is always questionable whether cryogenic lubrication is responsible for a decrease in the cutting temperature or for a decrease in the friction coefficient at the contact interfaces and whether liquid nitrogen lubrication is more effective than gas nitrogen lubrication. In order to simulate the tribological conditions corresponding to those occurring at these interfaces under dry and cryogenic conditions, a specially designed open tribometer has been used to characterise macroscopic friction coefficient, heat transfer and adhesion in the contact for a large range of sliding velocities. Friction, cryogenic, superalloys, heat transfer and adhesion

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Thermo-Mechanical Tool Load during High Performance Cutting of Hard-to-Cut Materials

Cited by 68 publications

References 10 publications

High performance cutting of advanced aerospace alloys and composite materials

High performance cutting of advanced aerospace alloys and composite materials

Super Abrasive Machining of Integral Rotary Components Using Grinding Flank Tools

Influence of cryogenic lubrication on the tribological properties of Ti6Al4V and Inconel 718 alloys under extreme contact conditions

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