CA2243940A1 - Method of repairing cylindrical workpieces and lathe therefor - Google Patents

Method of repairing cylindrical workpieces and lathe therefor Download PDF

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Publication number
CA2243940A1
CA2243940A1 CA002243940A CA2243940A CA2243940A1 CA 2243940 A1 CA2243940 A1 CA 2243940A1 CA 002243940 A CA002243940 A CA 002243940A CA 2243940 A CA2243940 A CA 2243940A CA 2243940 A1 CA2243940 A1 CA 2243940A1
Authority
CA
Canada
Prior art keywords
lathe
jaws
sets
connector end
drill pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002243940A
Other languages
French (fr)
Other versions
CA2243940C (en
Inventor
Thomas A. M. Hallett
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Argus Machine Co Ltd
Original Assignee
Thomas A. M. Hallett
Argus Machine Co. Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomas A. M. Hallett, Argus Machine Co. Ltd. filed Critical Thomas A. M. Hallett
Priority to CA002243940A priority Critical patent/CA2243940C/en
Priority to CA002365586A priority patent/CA2365586C/en
Publication of CA2243940A1 publication Critical patent/CA2243940A1/en
Application granted granted Critical
Publication of CA2243940C publication Critical patent/CA2243940C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00—Restoring or reconditioning objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/101—Chucks with separately-acting jaws movable radially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/102—Jaws, accessories or adjustment means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B23G1/22—Machines specially designed for operating on pipes or tubes

Abstract

A method of repairing a drill pipe having first and second connector ends, each of the first and second connectors ends including a threaded portion and sealing portions, with a lathe having a chuck with longitudinally spaced first and second sets of jaws, the method comprising the steps of mounting the drill pipe in a lathe, gripping the first connector end of the drill pipe with each of the first and second sets of jaws, orienting the first connector end by manipulation of the first and second sets of jaws into a working position; and rotating the drilling pipe against a working tool to machine the threaded portion and sealing portion of the first connector end and produce a new threaded portion and sealing portion of the first connector end. A lathe with longitudinally spaced first and second sets of jaws is also disclosed. A device for positioning of subsequent workpieces without repeating alignment steps is also disclosed.
CA002243940A 1998-07-28 1998-07-28 Method of repairing cylindrical workpieces and lathe therefor Expired - Lifetime CA2243940C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002243940A CA2243940C (en) 1998-07-28 1998-07-28 Method of repairing cylindrical workpieces and lathe therefor
CA002365586A CA2365586C (en) 1998-07-28 1998-07-28 Method of repairing cylindrical workpieces and lathe therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002243940A CA2243940C (en) 1998-07-28 1998-07-28 Method of repairing cylindrical workpieces and lathe therefor

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002365586A Division CA2365586C (en) 1998-07-28 1998-07-28 Method of repairing cylindrical workpieces and lathe therefor

Publications (2)

Publication Number Publication Date
CA2243940A1 true CA2243940A1 (en) 2000-01-28
CA2243940C CA2243940C (en) 2002-03-26

Family

ID=4162703

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002243940A Expired - Lifetime CA2243940C (en) 1998-07-28 1998-07-28 Method of repairing cylindrical workpieces and lathe therefor
CA002365586A Expired - Lifetime CA2365586C (en) 1998-07-28 1998-07-28 Method of repairing cylindrical workpieces and lathe therefor

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002365586A Expired - Lifetime CA2365586C (en) 1998-07-28 1998-07-28 Method of repairing cylindrical workpieces and lathe therefor

Country Status (1)

Country Link
CA (2) CA2243940C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2135696A1 (en) * 2007-03-28 2009-12-23 Sumitomo Metal Industries, Ltd. Method of processing end of elongated tube material
CN109290643A (en) * 2018-10-23 2019-02-01 贵州航飞精密制造有限公司 A kind of externally threaded reworking method of engine structure
CN110722221A (en) * 2019-10-18 2020-01-24 北部湾大学 Method for numerically controlling lathe repairing of internal threads with different leads at specific spindle rotating speed
CN110722220A (en) * 2019-10-18 2020-01-24 北部湾大学 Method for numerically-controlled internal thread turning and repairing by changing rotating speed of main shaft

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106764240A (en) * 2015-11-20 2017-05-31 天津鹰麟节能科技发展有限公司 Liner PP pipeline Rapid-Repair coating units

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2135696A1 (en) * 2007-03-28 2009-12-23 Sumitomo Metal Industries, Ltd. Method of processing end of elongated tube material
EP2135696A4 (en) * 2007-03-28 2014-07-16 Nippon Steel & Sumitomo Metal Corp Method of processing end of elongated tube material
CN109290643A (en) * 2018-10-23 2019-02-01 贵州航飞精密制造有限公司 A kind of externally threaded reworking method of engine structure
CN110722221A (en) * 2019-10-18 2020-01-24 北部湾大学 Method for numerically controlling lathe repairing of internal threads with different leads at specific spindle rotating speed
CN110722220A (en) * 2019-10-18 2020-01-24 北部湾大学 Method for numerically-controlled internal thread turning and repairing by changing rotating speed of main shaft
CN110722220B (en) * 2019-10-18 2021-05-25 北部湾大学 Method for numerically-controlled internal thread turning and repairing by changing rotating speed of main shaft
CN110722221B (en) * 2019-10-18 2021-05-25 北部湾大学 Method for numerically controlling lathe repairing of internal threads with different leads at specific spindle rotating speed

Also Published As

Publication number Publication date
CA2365586C (en) 2003-07-15
CA2365586A1 (en) 2000-01-28
CA2243940C (en) 2002-03-26

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Effective date: 20180730