DE1098151B - Process for the manufacture of an impeller for turbomachinery composed of steel parts - Google Patents

Process for the manufacture of an impeller for turbomachinery composed of steel parts

Info

Publication number
DE1098151B
DE1098151B DED28623A DED0028623A DE1098151B DE 1098151 B DE1098151 B DE 1098151B DE D28623 A DED28623 A DE D28623A DE D0028623 A DED0028623 A DE D0028623A DE 1098151 B DE1098151 B DE 1098151B
Authority
DE
Germany
Prior art keywords
impeller
turbomachinery
manufacture
steel parts
welded
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.)
Pending
Application number
DED28623A
Other languages
German (de)
Inventor
Dipl-Ing Hans Pfau
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.)
Mannesmann Demag AG
Original Assignee
Demag AG
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 Demag AG filed Critical Demag AG
Priority to DED28623A priority Critical patent/DE1098151B/en
Priority to CH7539459A priority patent/CH368262A/en
Publication of DE1098151B publication Critical patent/DE1098151B/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
    • F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
    • F01D5/048—Form or construction
    • 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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

Verfahren zum Herstellen eines aus Stahlteilen zusammengesetzten Laufrades für Turbomaschinen Die Erfindung betrifft ein Verfahren zum Herstellen eines aus Stahlteilen zusammengesetzten Laufrades für Turbomaschinen mit vorwiegend radialer Strömung, bei dem .die radialen, bis zur Nabe reichenden Schaufeln zwischen einer Rad- und einer Deckscheibe eingeschweißt sind.Method for manufacturing an impeller composed of steel parts for turbo machines The invention relates to a method for producing a Steel parts assembled impeller for turbomachinery with predominantly radial Flow, in which .the radial blades reaching up to the hub between a Wheel and a cover disk are welded.

Bisher war es üblich, die Laufradschaufeln besagter Turbomaschinen zuerst an der Radscheibe und anschließend an der Deckscheibe anzuschweißen, wobei, behindert durch einen engen Schaufelkanal, nur an dessen inneren und äußeren Teil ein Anschweißen möglich war. Es zeigte sich jedoch hierbei, daß auf diese Weise hergestellte Laufräder den heutzutage an sie gestellten hohen Beanspruchungen nicht gewachsen waren.Up to now it was common to use the impeller blades of said turbo machines to be welded first to the wheel disc and then to the cover disc, whereby, obstructed by a narrow blade channel, only on its inner and outer part welding was possible. It was found, however, that in this way manufactured impellers do not meet the high demands placed on them today had grown.

Um diesen Schwierigkeiten zu begegnen, wird erfindungsgemäß vorgeschlagen, sämtliche Schaufeln auf ihrer ganzen Länge zuerst an der Deckscheibe und in einem darauffolgenden Arbeitsgang an der Radscheibe anzuschweißen.In order to counter these difficulties, it is proposed according to the invention that all blades along their entire length first on the cover disk and in one the following work step to be welded to the wheel disc.

Bei der Anwendung dieses Verfahrens ist es nunmehr möglich, auch die am höchsten beanspruchte Stelle des Laufrades, nämlich die Verbindung der Schaufeln mit der Deckscheibe an der Übergangsstelle des axialen in den radialen Teil des Strömungskanals, einwandfrei herzustellen, so daß ein derartig zusammengeschweißtes Laufrad den neuzeitlichen Festigkeitsansprüchen in jeder Weise genügt. Im weiteren ist durch den Erfindungsvorschlag der Weg geebnet zum Bau größter Einheiten von geschweißten Laufrädern für Turbomaschinen.When using this method, it is now possible to also use the the most stressed point on the impeller, namely the connection between the blades with the cover plate at the transition point from the axial to the radial part of the Flow channel to produce properly, so that such a welded together Impeller satisfies modern strength requirements in every way. In the further the inventive proposal paved the way for the construction of the largest units of welded impellers for turbo machines.

Claims (1)

PATENTANSPRUCH. Verfahren zum Herstellen eines aus Stahlteilen zusammengesetzten Laufrades für Turbomaschinen mit vorwiegend radialer Strömung, bei dem die radialen, bis zur Nabe reichenden Schaufeln zwischen einer Rad- und einer Deckscheibe eingeschweißt sind, dadurch gekennzeichnet, daß zuerst sämtliche Schaufeln auf ihrer ganzen Länge an der Deckscheibe und in einem darauffolgenden Arbeitsgang an der Radscheibe angeschweißt werden, In Betracht gezogene Druckschriften Deutsche Patentschrift Nr. 906 975; Zeitschrift »Konstruktion«, 1950, S.270/271. PATENT CLAIM. A process for the manufacture of an impeller for turbomachinery with predominantly radial flow, composed of steel parts, in which the radial blades reaching up to the hub are welded between a wheel and a cover disk, characterized in that all the blades are first attached to their entire length on the cover disk and be welded to the wheel disc in a subsequent operation, publications under consideration German Patent No. 906 975; “Construction” magazine, 1950, p.270 / 271.
DED28623A 1958-07-28 1958-07-28 Process for the manufacture of an impeller for turbomachinery composed of steel parts Pending DE1098151B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DED28623A DE1098151B (en) 1958-07-28 1958-07-28 Process for the manufacture of an impeller for turbomachinery composed of steel parts
CH7539459A CH368262A (en) 1958-07-28 1959-07-06 Process for the manufacture of a steel impeller for turbo machines and an impeller manufactured according to this process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED28623A DE1098151B (en) 1958-07-28 1958-07-28 Process for the manufacture of an impeller for turbomachinery composed of steel parts

Publications (1)

Publication Number Publication Date
DE1098151B true DE1098151B (en) 1961-01-26

Family

ID=7039753

Family Applications (1)

Application Number Title Priority Date Filing Date
DED28623A Pending DE1098151B (en) 1958-07-28 1958-07-28 Process for the manufacture of an impeller for turbomachinery composed of steel parts

Country Status (2)

Country Link
CH (1) CH368262A (en)
DE (1) DE1098151B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283825A1 (en) * 1987-03-23 1988-09-28 Philipp Hilge GmbH Turbo machine rotor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE906975C (en) * 1950-05-03 1954-03-18 Licentia Gmbh Impeller for radial turbo compressors

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE906975C (en) * 1950-05-03 1954-03-18 Licentia Gmbh Impeller for radial turbo compressors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283825A1 (en) * 1987-03-23 1988-09-28 Philipp Hilge GmbH Turbo machine rotor

Also Published As

Publication number Publication date
CH368262A (en) 1963-03-31

Similar Documents

Publication Publication Date Title
DE3731161C2 (en) Centrifugal pump impeller
DE906975C (en) Impeller for radial turbo compressors
DE1167852B (en) Vibration-absorbing rotor blade attachment in axial turbo machines
DE1098151B (en) Process for the manufacture of an impeller for turbomachinery composed of steel parts
DE958147C (en) Paddle wheel for blowers, especially for vacuum cleaners
DE606029C (en) Process for the production of guide vane rims for steam or gas turbines with axial inflow
EP0244844A2 (en) Channel impeller for centrifugal pumps
DE1115268B (en) Single-stage radial flow machine with overhung impeller and spiral housing
DE937120C (en) Impeller for centrifugal compressor
DE1957988A1 (en) Plastic fan wheel for fume extraction-or - oil burner-fan
DE2930339C3 (en) Impeller for a radial fan, in particular a high-pressure fan
DE1247767B (en) Support ring for brake discs
CH235104A (en) Process for the production of centrifugal impellers with blades fastened between wheel disks, in particular for compressors and pumps, as well as impellers produced according to the method.
AT159244B (en) Steering handwheel with a metal frame covered with hard rubber or the like.
DE1883612U (en) ZINK BASKET FOR HAYMAKING MACHINERY.
CH416921A (en) Metal fan wheel
DE370065C (en) Process for the production of clamping rings for Pelton buckets on such shafts, the coupling flanges of which consist of one piece with the shaft
DE507631C (en) Impeller for blower, especially vacuum cleaner
DE649801C (en) Blade ring for Foettinger gearboxes of motor vehicles
DE423310C (en) Guide disc machined on all sides
DE420131C (en) Steam turbine with abrupt change in diameter of the runner
DE767693C (en) Impeller for centrifugal blower resistant to chemical attack
AT93107B (en) Two-part pulley.
AT69984B (en) Cleaning disc for knife cleaning machines.
DE261316C (en)