[특허]Method of manufacturing a ball member usable in ball valves and other flow control devices

CHROMATIC INDUSTRIES, INC.

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Method of manufacturing a ball member usable in ball valves and other flow control devices

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B24B-011/02 B23C-003/02 B23P-015/00 F16K-005/06 B23C-003/04 F16K-005/20
출원번호	US-0618792 (2015-02-10)
등록번호	US-10183364 (2019-01-22)
발명자 / 주소	Vincent, Kevin Partridge, Charlie Barroso, Miguel Casey, Fred Smith, Blake
출원인 / 주소	CHROMATIC INDUSTRIES, INC.
인용정보	피인용 횟수 : 0 인용 특허 : 28

초록
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Disclosures include a method for manufacturing a ball member usable in a flow control valve. The method comprises connecting a workpiece to a rotating apparatus along an axis of rotation of the workpiece, simultaneously rotating the workpiece about the axis of rotation and moving a rotating cutting tool toward the axis of rotation along a second axis to form a first curved surface having a progressively shorter radius with respect to the axis of rotation, wherein the second axis is generally oriented perpendicular to the axis of rotation, and cutting a b...

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1. A method for manufacturing a ball member usable in a flow control valve, the method comprising: forming a first curved portion of the ball member by: rotating a workpiece about 180 degrees about an axis of rotation;rotating a cutting tool; andmoving the cutting tool towards the axis of rotation along an axis of the cutting tool to create a radius of the first curved portion that extends from a point on the axis of the cutting tool that is offset from an intersection of the axis of the cutting tool and the axis of rotation;forming a second curved portion of the ball member by: rotating the workpiece about 180 degrees about the axis of rotation;rotating the cutting tool; andmoving the cutting tool toward the axis of rotation along the axis of the cutting tool; andmachining a bore through the first and second curved portions transverse to the axis of rotation. 2. The method of claim 1, wherein the rotating the workpiece about 180 degrees about the axis of rotation, the rotating the cutting tool, and the moving the cutting tool towards the axis of rotation along the axis of the cutting tool are performed simultaneously. 3. The method of claim 1, further comprising at least one of: machining the workpiece to form a first cylindrical protrusion along the axis of rotation; andmachining the workpiece to form a second cylindrical protrusion along the axis of rotation opposite the first cylindrical protrusion. 4. The method of claim 1, wherein the forming the first curved portion of the ball member and forming the second curved portion of the ball member further comprises moving the cutting tool generally perpendicular to both the axis of the cutting tool and the axis of rotation. 5. The method of claim 4, wherein the moving the cutting tool generally perpendicular to both the axis of the cutting tool and the axis of rotation comprises moving the cutting tool generally perpendicular to both the axis of the cutting tool and the axis of rotation away from a point of intercept of said axes for about a first 90 degrees of rotation of the workpiece and towards the point of intercept of said axes for about a second 90 degrees of rotation of the workpiece. 6. The method of claim 4, wherein the moving the cutting tool towards the axis of rotation and the moving the cutting tool generally perpendicular to both the axis of the cutting tool and the axis of rotation further comprises forming a variable radius of the ball member relative to the axis of rotation. 7. A method for manufacturing a ball member from a workpiece, the method comprising: connecting the workpiece to a rotating apparatus at a first connection point of the workpiece and at a second connection point of the workpiece;rotating the workpiece along a first axis;moving a rotating cutting tool along a second axis toward the workpiece;cutting the workpiece partially between the first connection point and the second connection point, thereby: forming a first surface extending partially between the first connection point and the second connection point;forming a portion of a first protrusion on a first side of the first surface; andforming a portion of a second protrusion on a second side of the first surface;moving the rotating cutting tool along the second axis away from the workpiece;further rotating the workpiece along the first axis;further moving the rotating cutting tool along the second axis toward the workpiece;further cutting the workpiece partially between the first connection point and the second connection point, thereby: forming a second surface extending partially between the first connection point and the second connection point;forming an another portion of the first protrusion on a first side of the second surface; andforming an another portion of the second protrusion on a second side of the second surface; andcutting a bore through the workpiece, wherein the bore extends through the first surface and through the second surface. 8. The method of claim 7, wherein the forming the first surface extending partially between the first connection point and the second connection point comprises forming the first surface extending partially between the first connection point and the second connection point and extending partially around the first axis, and wherein the forming the second surface extending partially between the first connection point and the second connection point comprises forming the second surface extending partially between the first connection point and the second connection point and extending partially around the first axis. 9. The method of claim 7, wherein the rotating the workpiece along the first axis and the moving the rotating cutting tool along the second axis toward the workpiece comprise simultaneously rotating the workpiece along the first axis and moving the rotating cutting tool along the second axis toward the workpiece, and wherein the further rotating the workpiece along the first axis and further moving the rotating cutting tool along the second axis toward the workpiece comprise further simultaneously rotating the workpiece along the first axis and moving the rotating cutting tool along the second axis toward the workpiece. 10. The method of claim 7, further comprising: moving the rotating cutting tool along a third axis perpendicular to the first and second axes; andfurther moving the rotating cutting tool along the third axis perpendicular to the first and second axes. 11. The method of claim 10, wherein the rotating the workpiece along a first axis, the moving a rotating cutting tool along a second axis toward the workpiece, and the moving the rotating cutting tool along a third axis perpendicular to the first and second axes are performed simultaneously and wherein the further rotating the workpiece along a first axis, further moving a rotating cutting tool along a second axis toward the workpiece, and further moving the rotating cutting tool along a third axis perpendicular to the first and second axes are performed simultaneously are performed simultaneously. 12. The method of claim 10, wherein the moving the rotating cutting tool along the third axis perpendicular to the first and second axes comprises: moving the cutting tool in a first direction along the third axis; andmoving the cutting tool in a second direction along the third axis, opposite the first direction; andwherein the further moving the rotating cutting tool along the third axis perpendicular to the first and second axes comprises:further moving the rotating cutting tool in the first direction along the third axis; andfurther moving the cutting tool in the second direction along the third axis, opposite the first direction. 13. The method of claim 12, wherein the moving the cutting tool in the first direction along the third axis comprises moving the cutting tool in the first direction along the third axis for about a first 90 degrees of rotation of the workpiece along the first axis, wherein the moving the cutting tool in the second direction along the third axis comprises moving the cutting tool in the second direction along the third axis for about a second 90 degrees of rotation of the workpiece along the first axis, wherein the further moving the cutting tool in the first direction along the third axis comprises further moving the cutting tool in the first direction along the third axis for about a third 90 degrees of rotation of the workpiece along the first axis, and wherein the further moving the cutting tool in the second direction along the third axis comprises further moving the cutting tool in the second direction along the third axis for about a fourth 90 degrees of rotation of the workpiece along the first axis. 14. A method for manufacturing a ball member usable in a flow control valve, the method comprising: connecting a workpiece to a rotating apparatus along an axis of rotation of the workpiece;simultaneously rotating the workpiece about the axis of rotation and moving a rotating cutting tool toward the axis of rotation along a second axis to form a first curved surface having a progressively shorter radius with respect to the axis of rotation, wherein the second axis is generally oriented perpendicular to the axis of rotation, and the progressively shorter radius extends from a point on the second axis that is offset from an intersection of the second axis and the axis of rotation;moving the rotating cutting tool along the second axis away from the workpiece;further simultaneously rotating the workpiece about the axis of rotation and moving the rotating cutting tool toward the axis of rotation along the second axis to form a second curved surface having a progressively shorter radius with respect to the axis of rotation; andcutting a bore through the workpiece, wherein one end of the bore extends through the first surface and the other end of the bore extends through the second surface. 15. The method of claim 14, wherein the simultaneously rotating the workpiece about the axis of rotation comprises simultaneously rotating the workpiece about 180 degrees about the axis of rotation, and wherein the further simultaneously rotating the workpiece about the axis of rotation comprises simultaneously rotating the workpiece about 180 degrees about the axis of rotation. 16. The method of claim 14, wherein the axis of rotation extends through the workpiece between a first point and a second point of the workpiece, wherein the first curved surface and the second curved surface extend a partial distance between the first point and the second point. 17. The method of claim 14, wherein the simultaneously rotating the workpiece about the axis of rotation and moving a rotating cutting tool toward the axis of rotation along a second axis further comprises moving the rotating cutting tool along a third axis generally oriented perpendicular to both the axis of rotation and the second axis, wherein the further simultaneously rotating the workpiece about the axis of rotation and moving the rotating cutting tool toward the axis of rotation along the second axis further comprises further moving the rotating cutting tool along the third axis. 18. The method of claim 17, wherein the moving the rotating cutting tool along the third axis comprises moving the cutting tool in a first direction along the third axis and then moving the cutting tool in a second direction along the third axis, wherein the second direction is opposite the first direction, wherein the further moving the rotating cutting tool along the third axis comprises further moving the cutting tool in a first direction along the third axis and then further moving the cutting tool in a second direction along the third axis. 19. The method of claim 18, further comprising: cutting the workpiece to form a first cylindrical protrusion extending on a first side of the first and second surfaces; andcutting the workpiece to form a second cylindrical protrusion extending on a second side of the first and second surfaces.

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Method of manufacturing a ball member usable in ball valves and other flow control devices

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Method of manufacturing a ball member usable in ball valves and other flow control devices

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