Profiled Superabrasive Grinding Wheels for the Machining of a Nickel Based Superalloy

@article{Aspinwall2007ProfiledSG,
  title={Profiled Superabrasive Grinding Wheels for the Machining of a Nickel Based Superalloy},
  author={D. Aspinwall and S. Soo and D. Curtis and A. Mantle},
  journal={Cirp Annals-manufacturing Technology},
  year={2007},
  volume={56},
  pages={335-338}
}
Machining data are presented for small diameter, profiled (fir tree root form), single layer/electroplated CBN (B46, B76 and 91) and diamond (D46) grinding wheels, when cutting Udimet 720. Spindles operating at 60,000 and 90,000rpm were employed, with a synthetic polyalphaolefine (PAO) oil based fluid in a down grinding mode on single sided specimens. Operating parameters were selected to reflect finishing conditions. Measured tool wear was lower for CBN grit as compared to diamond however… Expand
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2
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4
5
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References

SHOWING 1-10 OF 13 REFERENCES
Grinding of Inconel 718 and Udimet 720 Using Superabrasive Grinding Points Mounted on a High Speed Machining Centre
Following a brief literature review, the paper presents initial feasibility and Taguchi data on the use of CBN and diamond mounted grinding points for the grinding of Inconel 718 and Udimet 720Expand
Hybrid High Speed Machining (HSM): System Design and Experimental Results for Grinding/HSM and EDM/HSM
Abstract Point grinding and electrical discharge machining (EDM) are detailed on high speed machining centres. A Taguchi design was employed to evaluate operating parameters when point grindingExpand
Fluid performance study for groove grinding a nickel-based superalloy using electroplated cubic boron nitride (CBN) grinding wheels
The performance of three water-based grinding fluids was analyzed and compared to a neat oil tested under the same process conditions. Light optical and scanning electron microscopy observations showExpand
It's a grind [grinding technology]
VIPER grinding was developed by Rolls Royce in collaboration with the Grinding Division of Makino-NCMT as a replacement for creep feed grinding of Inconel and other nickel-based alloys using CBNExpand
Friction, Cooling and Lubrication in Grinding
Abstract It is generally considered that the heat produced during the grinding process is critical in terms of workpiece quality. Relatively high friction effects in abrasive machining cause heatExpand
Process for machining axial blade slots in turbine disks for jet engines
PURPOSE: To provide an improved process for machining axial blade slots in turbine disks used in jet engines. CONSTITUTION: The process comprises the steps of providing a turbine disk(12); forming aExpand
Broaching of Ti-6-4 – Detection of Workpiece Surface Anomalies on Dovetail Slots through Process Monitoring
Surface anomalies induced by abusive broaching represent a concern for the safety of critical components of aero-engines. Using acoustic emission and force signals, the paper reports on processExpand
Jet Engines: Fundamentals of Theory, Design and Operation
This book is intended for those involved in aviation, either commercially or as enthusiasts who wish to broaden their knowledge of jet engine technology and its associated subjects. It provides aExpand
It’s a grind
  • IET Manufacturing Engineer,
  • 2006
Method and apparatus for grinding, EU Patent EP 0924028B1
  • 2004
...
1
2
...