Methods and systems for chip breaking in turning applications using CNC toolpaths

Woody, Bethany A.; Smith, Kevin Scott; Adams, David J.; Barkman, William E.; Babelay, Jr., Edwin F.

Title: Methods and systems for chip breaking in turning applications using CNC toolpaths

Patent · Tue Aug 14 00:00:00 EDT 2012

OSTI ID:1531751

Woody, Bethany A.; Smith, Kevin Scott; Adams, David J.; Barkman, William E.; Babelay, Jr., Edwin F.

The present invention provides methods and systems for chip breaking, controlling cutting tool wear, and the like in turning, boring, and other applications, including: engaging a workpiece with a cutting tool in a feed direction along a toolpath, superimposing an oscillation in the feed direction on the toolpath, and dynamically or non-dynamically varying the oscillation superimposed in the feed direction on the toolpath such that interrupted cuts and chips of a predetermined length or less are produced. These systems take full advantage of computer numerical control (CNC) methodologies.

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Research Organization:: Y-12, LLC, Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22800

Assignee:: University of North Carolina at Charlotte (Charlotte, NC); Babcock & Wilcox Technical Services Y-12, LLC (Oak Ridge, TN)

Patent Number(s):: 8,240,234

Application Number:: 12/251,247

OSTI ID:: 1531751

Resource Relation:: Patent File Date: 2008-10-14

Country of Publication:: United States

Language:: English

References (10)

Method and apparatus for forming intermittent chips while machining holes with a rotating tool Medeksza, Ludwik A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5342152 US Patent Document 5,342,152	patent	August 1994
Machine tools Slee, Roger H. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4646595 US Patent Document 4,646,595	patent	March 1987
Turning apparatus with improved chip handling Yen, David; Alverio, John https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5291812 US Patent Document 5,291,812	patent	March 1994
Method and apparatus for achieving chip separation while machining work pieces Dombrowski, Theodor; Klosterhalfen, Hartwig https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4693146 US Patent Document 4,693,146	patent	September 1987
Method for achieving chip separation while machining work pieces Dombrowski, Theodor; Klosterhalfen, Hartwig https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4667546 US Patent Document 4,667,546	patent	May 1987
Effects of Dynamic Chip-Breaking Upon Surface Microgeometry and Free Chip Dimension Ostwald, P. F.; Shamblin, J. E. Journal of Engineering for Industry, Vol. 90, Issue 1 https://doi.org/10.1115/1.3604607	journal	February 1968
Method and apparatus for producing fractured chips when performing a turning operation Schneider, Friedhelm; Koepnick, Klaus; Wowra, Henrik https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5019115 US Patent Document 5,019,115	patent	May 1991
Tool holder assembly and method for modulation-assisted machining Mann, James B.; Chandrasekar, Srinivasan; Compton, Walter Dale https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7587965 US Patent Document 7,587,965	patent	September 2009
Machining stability using controlled contact tools Pearce, D. F.; Richardson, D. B. International Journal of Production Research, Vol. 13, Issue 1 https://doi.org/10.1080/00207547508942975	journal	January 1975
Machining method to controllably produce chips with determinable shapes and sizes Mann, James B.; Shankar, M. Ravi; Chandrasekar, Srinivasan https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7628099 US Patent Document 7,628,099	patent	December 2009

Cited By (5)

Machining process Laporte, Sylvain https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9776254 US Patent Document 9,776,254	patent	October 2017
Manufacturing methods and systems using sacrificial structure preforms Smith, Kevin Scott; Wilhelm, Robert G.; Dutterer, Brian https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9375818 US Patent Document 9,375,818	patent	June 2016
Method and apparatus for characterizing and enhancing the dynamic performance of machine tools Barkman, William E.; Babelay, Jr., Edwin F. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8610393 US Patent Document 8,610,393	patent	December 2013
Numerical controller having cutting in/out motion inserting function or circular motion inserting function Haga, Makoto; Shindou, Masaaki https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9939798 US Patent Document 9,939,798	patent	April 2018
Method and apparatus for characterizing and enhancing the functional performance of machine tools Barkman, William E.; Babelay, Jr., Edwin F.; Smith, Kevin Scott https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8432119 US Patent Document 8,432,119	patent	April 2013

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