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Title: Chip breaking system for automated machine tool

Abstract

The invention is a rotary selectively directional valve assembly for use in an automated turret lathe for directing a stream of high pressure liquid machining coolant to the interface of a machine tool and workpiece for breaking up ribbon-shaped chips during the formation thereof so as to inhibit scratching or other marring of the machined surfaces by these ribbon-shaped chips. The valve assembly is provided by a manifold arrangement having a plurality of circumferentially spaced apart ports each coupled to a machine tool. The manifold is rotatable with the turret when the turret is positioned for alignment of a machine tool in a machining relationship with the workpiece. The manifold is connected to a non-rotational header having a single passageway therethrough which conveys the high pressure coolant to only the port in the manifold which is in registry with the tool disposed in a working relationship with the workpiece. To position the machine tools the turret is rotated and one of the tools is placed in a material-removing relationship of the workpiece. The passageway in the header and one of the ports in the manifold arrangement are then automatically aligned to supply the machining coolant to the machine tool workpiecemore » interface for breaking up of the chips as well as cooling the tool and workpiece during the machining operation.« less

Inventors:
 [1];  [2]
  1. Clinton, TN
  2. Oak Ridge, TN
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
OSTI Identifier:
866143
Patent Number(s):
4643056
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B23 - MACHINE TOOLS B23Q - DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING
B - PERFORMING OPERATIONS B23 - MACHINE TOOLS B23B - TURNING
DOE Contract Number:  
AC05-84OR21400
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
chip; breaking; automated; machine; tool; rotary; selectively; directional; valve; assembly; turret; lathe; directing; stream; pressure; liquid; machining; coolant; interface; workpiece; ribbon-shaped; chips; formation; inhibit; scratching; marring; machined; surfaces; provided; manifold; arrangement; plurality; circumferentially; spaced; apart; ports; coupled; rotatable; positioned; alignment; relationship; connected; non-rotational; header; single; passageway; therethrough; conveys; registry; disposed; position; tools; rotated; placed; material-removing; automatically; aligned; supply; cooling; operation; machine tools; circumferentially spaced; spaced apart; machine tool; valve assembly; machining operation; pressure liquid; single pass; selectively direct; machined surface; /82/407/408/

Citation Formats

Arehart, Theodore A, and Carey, Donald O. Chip breaking system for automated machine tool. United States: N. p., 1987. Web.
Arehart, Theodore A, & Carey, Donald O. Chip breaking system for automated machine tool. United States.
Arehart, Theodore A, and Carey, Donald O. Thu . "Chip breaking system for automated machine tool". United States. https://www.osti.gov/servlets/purl/866143.
@article{osti_866143,
title = {Chip breaking system for automated machine tool},
author = {Arehart, Theodore A and Carey, Donald O},
abstractNote = {The invention is a rotary selectively directional valve assembly for use in an automated turret lathe for directing a stream of high pressure liquid machining coolant to the interface of a machine tool and workpiece for breaking up ribbon-shaped chips during the formation thereof so as to inhibit scratching or other marring of the machined surfaces by these ribbon-shaped chips. The valve assembly is provided by a manifold arrangement having a plurality of circumferentially spaced apart ports each coupled to a machine tool. The manifold is rotatable with the turret when the turret is positioned for alignment of a machine tool in a machining relationship with the workpiece. The manifold is connected to a non-rotational header having a single passageway therethrough which conveys the high pressure coolant to only the port in the manifold which is in registry with the tool disposed in a working relationship with the workpiece. To position the machine tools the turret is rotated and one of the tools is placed in a material-removing relationship of the workpiece. The passageway in the header and one of the ports in the manifold arrangement are then automatically aligned to supply the machining coolant to the machine tool workpiece interface for breaking up of the chips as well as cooling the tool and workpiece during the machining operation.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1987},
month = {1}
}

Patent:

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