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FR3089435B1 - A method of cleaning a part manufactured by an additive manufacturing process with at least one plug and a phase change of a cleaning product. - Google Patents

A method of cleaning a part manufactured by an additive manufacturing process with at least one plug and a phase change of a cleaning product. Download PDF

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Publication number
FR3089435B1
FR3089435B1 FR1872677A FR1872677A FR3089435B1 FR 3089435 B1 FR3089435 B1 FR 3089435B1 FR 1872677 A FR1872677 A FR 1872677A FR 1872677 A FR1872677 A FR 1872677A FR 3089435 B1 FR3089435 B1 FR 3089435B1
Authority
FR
France
Prior art keywords
cleaning
additive manufacturing
cavity
cleaning product
manufacturing process
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.)
Active
Application number
FR1872677A
Other languages
French (fr)
Other versions
FR3089435A1 (en
Inventor
Gilles Walrand
Philippe Vannerot
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.)
AddUp SAS
Original Assignee
AddUp SAS
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 AddUp SAS filed Critical AddUp SAS
Priority to FR1872677A priority Critical patent/FR3089435B1/en
Priority to PCT/FR2019/052992 priority patent/WO2020120891A1/en
Publication of FR3089435A1 publication Critical patent/FR3089435A1/en
Application granted granted Critical
Publication of FR3089435B1 publication Critical patent/FR3089435B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/60—Treatment of workpieces or articles after build-up
    • B22F10/68—Cleaning or washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
    • B08B7/0071—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/35—Cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B33Y40/20—Post-treatment, e.g. curing, coating or polishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/106—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by boiling the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0322—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid in combination with a plug, e.g. inflatable mole, to isolate a part of the tube
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/30—Process control
    • B22F10/36—Process control of energy beam parameters
    • B22F10/362—Process control of energy beam parameters for preheating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Powder Metallurgy (AREA)
  • Detergent Compositions (AREA)

Abstract

L’invention concerne un procédé de nettoyage d’une pièce fabriquée par un procédé de fabrication additive utilisant une poudre de fabrication additive, cette pièce comprenant au moins une cavité susceptible de contenir un agglomérat de poudre à l’issue du procédé de fabrication additive, et cette cavité comprenant au moins une ouverture, le procédé de nettoyage étant caractérisé en ce qu’il utilise un produit de nettoyage pouvant prendre au moins deux états liquide et gazeux et passer de l’état liquide à l’état gazeux, et en ce qu’il comprend au moins les étapes suivantes :a) plonger la pièce dans le produit de nettoyage à l’état liquide de manière à ce que le produit de nettoyage remplisse au moins partiellement la cavité,b) obturer chaque ouverture de la cavité à l’aide d’un bouchon,c) amener au moins une partie du produit de nettoyage contenu dans la cavité vers son état gazeux de manière à augmenter la pression du produit de nettoyage dans la cavité.The invention relates to a method of cleaning a part manufactured by an additive manufacturing process using an additive manufacturing powder, this part comprising at least one cavity capable of containing a powder agglomerate at the end of the additive manufacturing process, and this cavity comprising at least one opening, the cleaning process being characterized in that it uses a cleaning product which can take at least two liquid and gaseous states and change from the liquid state to the gaseous state, and in that that it comprises at least the following steps: a) immersing the part in the cleaning product in the liquid state so that the cleaning product at least partially fills the cavity, b) sealing each opening of the cavity with using a stopper, c) bringing at least part of the cleaning product contained in the cavity to its gaseous state so as to increase the pressure of the cleaning product in the cavity.

FR1872677A 2018-12-11 2018-12-11 A method of cleaning a part manufactured by an additive manufacturing process with at least one plug and a phase change of a cleaning product. Active FR3089435B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1872677A FR3089435B1 (en) 2018-12-11 2018-12-11 A method of cleaning a part manufactured by an additive manufacturing process with at least one plug and a phase change of a cleaning product.
PCT/FR2019/052992 WO2020120891A1 (en) 2018-12-11 2019-12-10 Method for cleaning a part produced by an additive manufacturing method with at least one plug and a phase change of a cleaning product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1872677A FR3089435B1 (en) 2018-12-11 2018-12-11 A method of cleaning a part manufactured by an additive manufacturing process with at least one plug and a phase change of a cleaning product.

Publications (2)

Publication Number Publication Date
FR3089435A1 FR3089435A1 (en) 2020-06-12
FR3089435B1 true FR3089435B1 (en) 2020-11-13

Family

ID=66286471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1872677A Active FR3089435B1 (en) 2018-12-11 2018-12-11 A method of cleaning a part manufactured by an additive manufacturing process with at least one plug and a phase change of a cleaning product.

Country Status (2)

Country Link
FR (1) FR3089435B1 (en)
WO (1) WO2020120891A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11707772B2 (en) * 2019-10-29 2023-07-25 United States Of America As Represented By The Administrator Of Nasa High flow differential cleaning system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5814161A (en) 1992-11-30 1998-09-29 Massachusetts Institute Of Technology Ceramic mold finishing techniques for removing powder
JP3893992B2 (en) * 2002-01-31 2007-03-14 松下電工株式会社 Method for producing photomolding
US20160074940A1 (en) * 2014-09-11 2016-03-17 Pratt & Whitney Canada Corp. Method of cleaning a part
GB201502087D0 (en) * 2015-02-09 2015-03-25 Rolls Royce Plc A method for the production on a three-dimensional product
GB201502086D0 (en) * 2015-02-09 2015-03-25 Rolls Royce Plc Methods of manufacturing and cleaning
US10221488B2 (en) * 2015-09-18 2019-03-05 General Electric Company Supercritical water method for treating internal passages
US10220422B2 (en) * 2015-10-27 2019-03-05 Hamilton Sundstrand Corporation Powder removal
US10232414B2 (en) * 2015-11-20 2019-03-19 United Technologies Corporation Additive manufactured conglomerated powder removal from internal passages
US10195667B2 (en) * 2015-11-23 2019-02-05 Delavan Inc. Powder removal systems
GB2551698B (en) * 2016-06-20 2019-01-30 Hs Marston Aerospace Ltd Cleaning of a 3D Printed Article
DE102016213917A1 (en) * 2016-07-28 2018-02-01 General Electric Technology Gmbh Method for producing a component and component produced by the method

Also Published As

Publication number Publication date
FR3089435A1 (en) 2020-06-12
WO2020120891A1 (en) 2020-06-18

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