EP3532239A1 - Verfahren zum herstellen eines strömungsmaschinenlaufrads - Google Patents

Verfahren zum herstellen eines strömungsmaschinenlaufrads

Info

Publication number
EP3532239A1
EP3532239A1 EP17790784.7A EP17790784A EP3532239A1 EP 3532239 A1 EP3532239 A1 EP 3532239A1 EP 17790784 A EP17790784 A EP 17790784A EP 3532239 A1 EP3532239 A1 EP 3532239A1
Authority
EP
European Patent Office
Prior art keywords
welding
milling
build
blank
additive manufacturing
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.)
Ceased
Application number
EP17790784.7A
Other languages
German (de)
English (en)
French (fr)
Inventor
Sascha SCHOB
Matthias DOMMERMUTH
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.)
MAN Energy Solutions SE
Original Assignee
MAN Energy Solutions SE
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=60182597&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3532239(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Energy Solutions SE filed Critical MAN Energy Solutions SE
Publication of EP3532239A1 publication Critical patent/EP3532239A1/de
Ceased 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
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/006—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine wheels
    • 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
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • 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
    • B22F5/009—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine components other than turbine blades
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/001—Turbines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34—Laser welding for purposes other than joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/60—Preliminary treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2205—Conventional flow pattern
    • F04D29/2222—Construction and assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/10—Manufacture by removing material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/22—Manufacture essentially without removing material by sintering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/30—Manufacture with deposition of material
    • F05D2230/31—Layer deposition
    • 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

Definitions

  • the invention relates to a method for producing a Strömungsmaschinenlaufrads having a radially inner hub body, a radially outer cover body and between the hub body and the cover body extending blades, wherein the Lauschaufeln, the hub body and the cover body are designed as an integral, monolithic assembly.
  • a turbomachine impeller with cover body is also referred to as a closed turbomachine rotor.
  • the present invention has the object to provide a novel method for producing a Strömungsmaschinenlaufrads. This object is achieved by a method according to claim 1.
  • the method according to the invention comprises at least the following steps: providing a blank; Milling the blank to form a base contour of the hub body, the cover body and the rotor blades; At least one-time build-up welding on the formed base contour and at least one subsequent subsequent milling at sections formed by the build-up welding.
  • the milling of the blank is then carried out at least once by deposition welding and subsequently at least once again by a new milling operation.
  • the build-up welding can also be replaced by an additive manufacturing process, for example by selective laser sintering.
  • three-dimensional contours can then be provided which can not be formed during milling of the blank as such due to limited accessibility.
  • the manufacturing process is simple and inexpensive. Turbomachinery rotors can be provided with low production costs and short production times, namely as an integral, monolithic assembly with a three-dimensional shape, which could not be manufactured so far.
  • alternating welding is first carried out several times, followed by milling operations on the sections formed by build-up welding.
  • material is preferably applied to the base contour in the case of an n-th build-up welding, after which the n-th build-up welding, the sections formed in this case are subjected to an nth milling operation.
  • the material is processed by this milling process formed sections (n + 1) -th surfacing applied to the basic contour material, and then to this (n + 1) -th build-up welding the thus formed sections are subjected to a (n + 1) -th milling, where n> 1 is.
  • the milling of the blank, the at least one deposition welding and the at least one subsequent subsequent milling is performed on one and the same machine tool having both at least one tool for milling and at least one tool for build-up welding. This is particularly preferred for providing short production times. A re-clamping of the workpiece or blank on the machine tool is not required.
  • a metal alloy material is applied to the blank, which deviates from the metal alloy material of the blank during the at least one deposition welding.
  • turbomachinery wheels can be produced which have particularly advantageous material properties on the sections formed by buildup welding.
  • the blank may also have a certain core / shell structure, e.g. solid core and corrosion resistant casing.
  • This refinement of the invention also serves to provide a turbomachine impeller with material properties defined at the sections formed by build-up welding.
  • FIG. 1 shows a highly schematized flow diagram to illustrate the method according to the invention for producing a turbomachine impeller.
  • the invention relates to a method for producing a Strömungsmaschinenlaufrad having a radially inner hub body, a radially outer cover body and extending between the hub body and the cover body extending blades.
  • a turbomachine wheel which has both an inner hub body and an outer cover body, is referred to as a closed turbomachine rotor.
  • the moving blades, the hub body and the covering body are designed as an integral monolithic assembly.
  • the hub body is also referred to as a hub disc and the cover body as a cover plate.
  • step III is divided according to FIG. 1 into a plurality of method steps 111.1, 111.2n, 111.3n and III.4.
  • step IV the finished turbomachine rotor is present.
  • Fig. 1 visualizes the production of a radial compressor impeller, that is, a compressor impeller, which is axially impinged and radiated radially.
  • a radial compressor impeller that is, a compressor impeller, which is axially impinged and radiated radially.
  • other turbomachine rotors such as turbine rotors, may be manufactured by the method of the present invention.
  • a blank 10 is first provided.
  • this blank 10 is in Fig. 1 to a ring or to a disc of a metallic material, in particular a metal alloy material.
  • the disc can also be made of a plastic, which is then subjected to milling.
  • the blank 10 is subjected to a milling, namely forming a basic contour of the radially inner hub body 1 1 a, the radially outer cover body 1 1 b and between the radially inner hub body 1 1 a and the radially outer cover body 1 1 b extending blades 1 1 c.
  • the milling machined blank 1 is formed with these basic contours 1 1 a, 1 1 b, 1 1 c.
  • a milling machined blank 1 in the region of his trainees hub body 1 1 a, his trainees cover body 1 1 b, his trainees blades 1 1 c has a respective basic contour, the milling over the blank 10 and the present, limited spatial accessibility of the blank 10 can be produced on the processing machine or milling machine.
  • process step II is followed by the process step III.
  • process step III an at least one-time or simple build-up welding in the radial direction of the turbomachine impeller takes place on the formed basic contour 11a, 11b, 11c and at least once or at least simple subsequent milling on the sections formed by the buildup welding.
  • the build-up welding and the subsequent milling on the sections formed by build-up welding in step III take place alternately one after the other several times.
  • method step III is subdivided into method steps 111.1, 111.2n, 111.3n and III.4.
  • method step 111.1 the milling-machined blank 1 1 provided in method step II and formed by milling of the blank 10 lies with its basic contour 11a, 11b, 11c.
  • step lll.2n a build-up welding takes place, in FIG. 1 from radially inward to radially outward with application of material to the base contour 1 1 b, 1 1 c of the machined blank 1 1, namely in accordance with FIG order welded sections 15n.
  • step III.2n the subsequent milling operation of the sections 15n formed by build-up welding takes place in step III.3n to form the sections 16n.
  • n is an integer number greater than 1.
  • the job-welded and milling machined section 1 6n, 1 6n + 1 extend in Fig. 1 radially outwardly both the cover body 14b and the blades 14c.
  • step III.4 is then the Strömungsmaschinenlaufrad 14 with its desired, three-dimensional contour in the region of the hub body 14a, the cover body 14b and the blades 14c before.
  • the multiple deposition welding takes place in the radial direction from radially inward to radially outward. It is also possible that this multiple buildup welding is performed from radially outside to radially inside. Furthermore, the build-up welding, which alternates with milling, can be combined both from radially outside to radially inside and also from radially inside to radially outside.
  • the process steps II and III, so the milling of the blank in step II and the at least one-time buildup welding and at least one subsequent milling operations in step III, can be performed on one and the same machine tool, both at least one tool for milling and at least has a tool for build-up welding.
  • This is preferably a 5-axis machine tool with a zero point clamping system, on which the blank 10 is clamped and subsequently machined in the clamped relative position in step II and subsequently in step III a build-up welding and subsequent milling to form the in his three-dimensional contour final turbomachine wheel 14 is processed.
  • the build-up welding is preferably a laser deposition welding.
  • a metal alloy material may be applied to the milling-machined blank 1 1, which deviates from the metal alloy material of the blank 10. Then, if the build-up welding is carried out a number of times, a metal alloy material deviating from the metal alloy material of the blank 10 can be applied to the milling-machined blank 1 1 at least once. each time different metal alloy materials are applied to the milling machined blank 1 1. As a result, it is possible to form flow machine running wheels 14 which have defined material properties in the region of the sections 1 6n, 1 6n + 1 formed by buildup welding.
  • laser deposition welding can additionally or alternatively also be effected in the axial direction.
  • closed turbomachinery rotors in the form of monolithic assemblies in which cover bodies, hub bodies and rotor blades are made in one piece, can be manufactured with low production costs and with short production times with three-dimensional contours that could not hitherto be provided.
  • turbomachine impeller 14 produced by the method of the present invention is subsequently subjected to a surface treatment such as a coating or the like.
  • a surface treatment such as a coating or the like.
  • a heat treatment process or other post processes are also suitable for this.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Laser Beam Processing (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
EP17790784.7A 2016-10-27 2017-10-26 Verfahren zum herstellen eines strömungsmaschinenlaufrads Ceased EP3532239A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016120480.3A DE102016120480A1 (de) 2016-10-27 2016-10-27 Verfahren zum Herstellen eines Strömungsmaschinenlaufrads
PCT/EP2017/077510 WO2018078048A1 (de) 2016-10-27 2017-10-26 Verfahren zum herstellen eines strömungsmaschinenlaufrads

Publications (1)

Publication Number Publication Date
EP3532239A1 true EP3532239A1 (de) 2019-09-04

Family

ID=60182597

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17790784.7A Ceased EP3532239A1 (de) 2016-10-27 2017-10-26 Verfahren zum herstellen eines strömungsmaschinenlaufrads

Country Status (8)

Country Link
US (1) US10946487B2 (zh)
EP (1) EP3532239A1 (zh)
JP (1) JP6725751B2 (zh)
KR (1) KR20190042051A (zh)
CN (1) CN109890558B (zh)
CA (1) CA3034572C (zh)
DE (1) DE102016120480A1 (zh)
WO (1) WO2018078048A1 (zh)

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KR102263649B1 (ko) 2020-06-17 2021-06-10 계명대학교 산학협력단 임펠라 또는 터빈 블레이드 제조를 위한 레이저 가공 방법 및 장치
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CN112296613B (zh) * 2020-11-20 2022-03-29 清华大学 一种闭式叶轮整体数控车削、铣削加工制造方法
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US20190308285A1 (en) 2019-10-10
KR20190042051A (ko) 2019-04-23
WO2018078048A1 (de) 2018-05-03
US10946487B2 (en) 2021-03-16
DE102016120480A1 (de) 2018-05-03
CN109890558A (zh) 2019-06-14
CN109890558B (zh) 2021-11-02
CA3034572A1 (en) 2018-05-03
JP6725751B2 (ja) 2020-07-22
JP2019534794A (ja) 2019-12-05
CA3034572C (en) 2021-10-26

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