Laminated turbine rotor blade - has flat blank plates of different thicknesses welded together, machined and bent to shape
The turbine rotor blades are made by machining a flat blade blank. The machined blade is finally bent into required shape. Rolled plate is used as the raw material. The flat blank (4) is made by welding thin plates (1,-2, 3) of different thicknesses. The blank is subsequently machined to approximate...
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| creator | GRIGORY ABRAMOVICH BRONOVSKY, MIKHAIL OSIPOVICH BUKCHIN ET ALEXANDR IOSIFOVICH GOLDFARB |
| description | The turbine rotor blades are made by machining a flat blade blank. The machined blade is finally bent into required shape. Rolled plate is used as the raw material. The flat blank (4) is made by welding thin plates (1,-2, 3) of different thicknesses. The blank is subsequently machined to approximate shape and then placed between two die blocks (8, 9) for bending the blade into the required profile.
L'invention concerne un procédé de fabrication d'aubes de roues pour machines hydrauliques Francis. Ce procédé est caractérisé par le fait que l'ébauche plane 4 de l'aube est obtenue par soudage d'au moins deux parties 1, 2, 3 en tôles assemblées pour former l'ébauche 4 de l'aube dans le sens de la variation principale de l'épaisseur du profil de l'ébauche 4. L'épaisseur delta 1 , delta 2 , delta 3 de chaque partie 1, 2, 3 est choisie au moins égale à l'épaisseur maximale delta 1 **1, delta 2 **1, delta 3 **1 du profil de l'ébauche 4 usinée dans le tronçon déterminé par la partie 1, 2, 3 respectivement. |
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L'invention concerne un procédé de fabrication d'aubes de roues pour machines hydrauliques Francis. Ce procédé est caractérisé par le fait que l'ébauche plane 4 de l'aube est obtenue par soudage d'au moins deux parties 1, 2, 3 en tôles assemblées pour former l'ébauche 4 de l'aube dans le sens de la variation principale de l'épaisseur du profil de l'ébauche 4. L'épaisseur delta 1 , delta 2 , delta 3 de chaque partie 1, 2, 3 est choisie au moins égale à l'épaisseur maximale delta 1 **1, delta 2 **1, delta 3 **1 du profil de l'ébauche 4 usinée dans le tronçon déterminé par la partie 1, 2, 3 respectivement.</description><language>eng ; fre</language><subject>BLASTING ; COMBINED OPERATIONS ; ENGINE PLANTS IN GENERAL ; HEATING ; LIGHTING ; MACHINE TOOLS ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES ; OTHER WORKING OF METAL ; PERFORMING OPERATIONS ; STEAM ENGINES ; TRANSPORTING ; UNIVERSAL MACHINE TOOLS ; WEAPONS</subject><creationdate>1979</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19790420&DB=EPODOC&CC=FR&NR=2403865A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19790420&DB=EPODOC&CC=FR&NR=2403865A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GRIGORY ABRAMOVICH BRONOVSKY, MIKHAIL OSIPOVICH BUKCHIN ET ALEXANDR IOSIFOVICH GOLDFARB</creatorcontrib><title>Laminated turbine rotor blade - has flat blank plates of different thicknesses welded together, machined and bent to shape</title><description>The turbine rotor blades are made by machining a flat blade blank. The machined blade is finally bent into required shape. Rolled plate is used as the raw material. The flat blank (4) is made by welding thin plates (1,-2, 3) of different thicknesses. The blank is subsequently machined to approximate shape and then placed between two die blocks (8, 9) for bending the blade into the required profile.
L'invention concerne un procédé de fabrication d'aubes de roues pour machines hydrauliques Francis. Ce procédé est caractérisé par le fait que l'ébauche plane 4 de l'aube est obtenue par soudage d'au moins deux parties 1, 2, 3 en tôles assemblées pour former l'ébauche 4 de l'aube dans le sens de la variation principale de l'épaisseur du profil de l'ébauche 4. L'épaisseur delta 1 , delta 2 , delta 3 de chaque partie 1, 2, 3 est choisie au moins égale à l'épaisseur maximale delta 1 **1, delta 2 **1, delta 3 **1 du profil de l'ébauche 4 usinée dans le tronçon déterminé par la partie 1, 2, 3 respectivement.</description><subject>BLASTING</subject><subject>COMBINED OPERATIONS</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINE TOOLS</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</subject><subject>OTHER WORKING OF METAL</subject><subject>PERFORMING OPERATIONS</subject><subject>STEAM ENGINES</subject><subject>TRANSPORTING</subject><subject>UNIVERSAL MACHINE TOOLS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1979</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjEEKwjAURLtxIeod_gEsqFVxK2Jx4Urcl99mYkrTJCRfBE9vKx7A1QwzjzfN3lfuW8cCRfKMdetA0YuPVFtWoJwMJ9KWZRxcR2GoSOQ1qVZrRDghMW3TOaQ0HC9YNbr8A2IQl9RzYwarInaK6i_uKRkOmGcTzTZh8ctZRuX5frrkCL5CCtzAQaryttmuisN-d1wXfyAfV2ZF2g</recordid><startdate>19790420</startdate><enddate>19790420</enddate><creator>GRIGORY ABRAMOVICH BRONOVSKY, MIKHAIL OSIPOVICH BUKCHIN ET ALEXANDR IOSIFOVICH GOLDFARB</creator><scope>EVB</scope></search><sort><creationdate>19790420</creationdate><title>Laminated turbine rotor blade - has flat blank plates of different thicknesses welded together, machined and bent to shape</title><author>GRIGORY ABRAMOVICH BRONOVSKY, MIKHAIL OSIPOVICH BUKCHIN ET ALEXANDR IOSIFOVICH GOLDFARB</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_FR2403865A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1979</creationdate><topic>BLASTING</topic><topic>COMBINED OPERATIONS</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINE TOOLS</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</topic><topic>OTHER WORKING OF METAL</topic><topic>PERFORMING OPERATIONS</topic><topic>STEAM ENGINES</topic><topic>TRANSPORTING</topic><topic>UNIVERSAL MACHINE TOOLS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>GRIGORY ABRAMOVICH BRONOVSKY, MIKHAIL OSIPOVICH BUKCHIN ET ALEXANDR IOSIFOVICH GOLDFARB</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GRIGORY ABRAMOVICH BRONOVSKY, MIKHAIL OSIPOVICH BUKCHIN ET ALEXANDR IOSIFOVICH GOLDFARB</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Laminated turbine rotor blade - has flat blank plates of different thicknesses welded together, machined and bent to shape</title><date>1979-04-20</date><risdate>1979</risdate><abstract>The turbine rotor blades are made by machining a flat blade blank. The machined blade is finally bent into required shape. Rolled plate is used as the raw material. The flat blank (4) is made by welding thin plates (1,-2, 3) of different thicknesses. The blank is subsequently machined to approximate shape and then placed between two die blocks (8, 9) for bending the blade into the required profile.
L'invention concerne un procédé de fabrication d'aubes de roues pour machines hydrauliques Francis. Ce procédé est caractérisé par le fait que l'ébauche plane 4 de l'aube est obtenue par soudage d'au moins deux parties 1, 2, 3 en tôles assemblées pour former l'ébauche 4 de l'aube dans le sens de la variation principale de l'épaisseur du profil de l'ébauche 4. L'épaisseur delta 1 , delta 2 , delta 3 de chaque partie 1, 2, 3 est choisie au moins égale à l'épaisseur maximale delta 1 **1, delta 2 **1, delta 3 **1 du profil de l'ébauche 4 usinée dans le tronçon déterminé par la partie 1, 2, 3 respectivement.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
| recordid | cdi_epo_espacenet_FR2403865A1 |
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| subjects | BLASTING COMBINED OPERATIONS ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES OTHER WORKING OF METAL PERFORMING OPERATIONS STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS |
| title | Laminated turbine rotor blade - has flat blank plates of different thicknesses welded together, machined and bent to shape |
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