EP3181259A1 - Procédé de fabrication d'un boitier pour un moteur de forage - Google Patents

Procédé de fabrication d'un boitier pour un moteur de forage Download PDF

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Publication number
EP3181259A1
EP3181259A1 EP16201883.2A EP16201883A EP3181259A1 EP 3181259 A1 EP3181259 A1 EP 3181259A1 EP 16201883 A EP16201883 A EP 16201883A EP 3181259 A1 EP3181259 A1 EP 3181259A1
Authority
EP
European Patent Office
Prior art keywords
housing
lining
tube
coiled
mandrel
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
EP16201883.2A
Other languages
German (de)
English (en)
Other versions
EP3181259B1 (fr
Inventor
Robert Koppensteiner
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.)
GFM GmbH
Original Assignee
GFM GmbH
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 GFM GmbH filed Critical GFM GmbH
Publication of EP3181259A1 publication Critical patent/EP3181259A1/fr
Application granted granted Critical
Publication of EP3181259B1 publication Critical patent/EP3181259B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/12—Forming profiles on internal or external surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/154—Making multi-wall tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with helical guides

Definitions

  • the invention relates to a method for producing a housing for a drilling motor, comprising a tubular steel jacket with a coiled inner surface and a coiled inner lining of a sliding alloy for receiving a coiled rotor, wherein a jacket tube is forged over a mandrel ,
  • a disadvantage is that by the subsequent application of the liner of an elastomeric, thermoplastic, ceramic or metallic material on the coiled inner surface of the jacket tube made of steel depending on the respectively selected taking into account the material of the lining application method, such as galvanic or electrolytic deposition, casting , Firing, plasma spraying or thermofixing, the adhesion of the lining to the profiled casing pipe often can not meet higher requirements.
  • the material of the lining application method such as galvanic or electrolytic deposition, casting , Firing, plasma spraying or thermofixing
  • the invention is therefore based on the object, a method for producing a housing for a drilling motor in such a way that simple manufacturing conditions are ensured, which allow low manufacturing tolerances and bring a high level of reliability for the housing with it.
  • the invention solves the problem by the fact that the liner is inserted in the form of a prefabricated liner pipe in the jacket tube and that the jacket tube and the liner tube together on the coiled inner surface of the housing-defining mandrel forming a composite body Housing forged.
  • the invention is based on the finding that in linings made of a sliding alloy, this sliding alloy does not have to be applied in a predetermined layer thickness on the pre-profiled inner surface of the jacket tube to receive one of the coiled inner surface of the jacket tube following lining of uniform thickness, but that the conditions for a advantageous, adapted to the requirements of such a lining production of the composite body of the casing tube and the liner can be advantageously specified when the liner is inserted in the form of a prefabricated liner pipe in the jacket tube, then forging the jacket tube together with the liner tube over the coiled inner surface of the housing-defining mandrel to the composite body.
  • the metallurgical properties of the composite body are improved and on the other hand ensures the required dimensional accuracy for the coiled inner surface of the housing.
  • the cold forging of the jacket tube and the lining tube to the finished composite body is determined by the degree of deformation permitted for this purpose. If a higher degree of deformation for the casing tube is required for producing a housing for a drilling motor due to the coiled inner surface, the casing tube and the inserted liner tube can be first connected by a thermoforming a mandrel to a composite body before the composite body by cold forging over the coiled inner surface defining mandrel is molded to the housing.
  • the hot deformation allows the required degree of deformation to approach the coiled inner shape of the housing and further ensures intimate bonding between the steel jacket tube and the liner of a sliding alloy so that subsequent cold working by forging over a mandrel defining the coiled inner surface of the housing the housing can be completed with respect to the profile shape of the inner surface without Nachbearbeitungs point.
  • the jacket tube and the lining tube preformed before the common forging in approximation to the coiled inner shape of the housing.
  • the final shape can be produced, because yes parked on the final form preforms of Casing tube and the lining tube only require a relatively low forging deformation.
  • these tubes can be produced by hot forging over a mandrel, which is not mandatory, because it is important for the housing production only to introduce the preformed liner tube in the correspondingly preformed jacket tube and then the two tube together by cold forging to form a composite body.
  • the housing for a drilling motor has according to the schematic illustration of the Fig. 1 and 2 a steel shell 1 with a coiled inner surface 2 and a lining 3, which follows the coiled inner surface 2 of the shell 1 and forms a coiled receptacle 4 for a coiled rotor of the drill motor.
  • a dash-dotted line indicated steel jacket tube 5 in which a lining tube 6 is inserted from a sliding alloy to connect the jacket tube 5 together with the inserted liner tube 6 by a hot forging to a composite body 7 having an approximated to the housing shape preform.
  • Fig. 5 to 10 is used to manufacture a housing according to Fig. 1 and 2
  • a preformed casing 5 the approximate to the coiled inner surface 2 of the shell 1, for example, by a hot forging of a in the Fig. 6 dash-dotted lines indicated, a circular ring cross section having jacket tube 5 has been prepared and forms a coiled inner surface 8.
  • the lining pipe 6 provided for the lining 3 is also preformed in approximation to the coiled inner surface 2 of the jacket 1, as shown in FIGS FIGS. 7 and 8 is shown.
  • the preformed liner tube 6 is in accordance with FIGS. 9 and 10 introduced into the preformed jacket tube 5, to then together with the jacket tube 5 by a cold forging over a mandrel to the composite body 1 of the housing according to the Fig. 1 and 2 to be transformed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Forging (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP16201883.2A 2015-12-15 2016-12-02 Procédé de fabrication d'un boitier pour un moteur de forage Active EP3181259B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA51066/2015A AT518128B1 (de) 2015-12-15 2015-12-15 Verfahren zum Herstellen eines Gehäuses für einen Bohrmotor

Publications (2)

Publication Number Publication Date
EP3181259A1 true EP3181259A1 (fr) 2017-06-21
EP3181259B1 EP3181259B1 (fr) 2019-02-13

Family

ID=57471724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16201883.2A Active EP3181259B1 (fr) 2015-12-15 2016-12-02 Procédé de fabrication d'un boitier pour un moteur de forage

Country Status (5)

Country Link
EP (1) EP3181259B1 (fr)
AT (1) AT518128B1 (fr)
ES (1) ES2723599T3 (fr)
MX (1) MX356622B (fr)
TR (1) TR201904524T4 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB414213A (en) * 1933-07-08 1934-08-02 William Duncan Howe Improvements in or relating to the manufacture of hollow metal bars
WO1999031389A2 (fr) * 1997-12-18 1999-06-24 Baker Hughes Incorporated Procede de fabrication de stators pour pompes de type moineau
US20070261286A1 (en) * 2006-02-23 2007-11-15 Sturm, Ruger & Company, Inc. Composite firearm barrel reinforcement
DE112011101162T5 (de) * 2010-03-30 2013-01-10 Smith International, Inc. Geschrämter Stator für einen Verdrängungsmotor
CN103934303A (zh) * 2014-03-20 2014-07-23 北京科技大学 一种高性能铜/铝复合管的制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB414213A (en) * 1933-07-08 1934-08-02 William Duncan Howe Improvements in or relating to the manufacture of hollow metal bars
WO1999031389A2 (fr) * 1997-12-18 1999-06-24 Baker Hughes Incorporated Procede de fabrication de stators pour pompes de type moineau
US20070261286A1 (en) * 2006-02-23 2007-11-15 Sturm, Ruger & Company, Inc. Composite firearm barrel reinforcement
DE112011101162T5 (de) * 2010-03-30 2013-01-10 Smith International, Inc. Geschrämter Stator für einen Verdrängungsmotor
CN103934303A (zh) * 2014-03-20 2014-07-23 北京科技大学 一种高性能铜/铝复合管的制备方法

Also Published As

Publication number Publication date
TR201904524T4 (tr) 2019-05-21
ES2723599T3 (es) 2019-08-29
AT518128B1 (de) 2018-12-15
EP3181259B1 (fr) 2019-02-13
MX2016016834A (es) 2017-06-14
MX356622B (es) 2018-06-06
AT518128A1 (de) 2017-07-15

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