MOLDING DEVICE FOR MANUFACTURING CYLINDRICAL ROLLING BODY, MANUFACTURING METHOD FOR CYLINDRICAL ROLLING BODY, MANUFACTURING METHOD FOR ROLLING BEARING, MANUFACTURING METHOD FOR VEHICLE, AND MANUFACTURING METHOD FOR MECHANICAL APPARATUS
With respect to the manufacture of cylindrical rolling bodies, excess material on an outside section in the radial direction and recesses in both end surfaces in the axial direction are not generated as much as possible in the intermediate material that is removed from a molding device for performin...
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| creator | YASUDA, Yuu MIZUSHIMA, Yuuki WATANABE, Mizuki |
| description | With respect to the manufacture of cylindrical rolling bodies, excess material on an outside section in the radial direction and recesses in both end surfaces in the axial direction are not generated as much as possible in the intermediate material that is removed from a molding device for performing compression molding. Annular concave sections 27 are provided on the inner-circumferential surfaces 20a of molding concave sections 19a provided in a stationary-side mold 17a and a movable-side mold 18a. The stationary-side mold 17a and the movable-side mold 18a are brought close to each other in the axial direction while compressing the intermediate material 23 in a state in which both side sections in the axial direction of the intermediate material 23 are inserted into the molding concave sections 19a. At this time, a part of the material of the intermediate material 23 is made to enter inside the annular concave sections 27, and undercut sections 32 are formed on the outer side in the radial direction of a compression-molded intermediate material 23b. After that, when removing both side sections in the axial direction of the intermediate material 23b from the inside of the molding concave sections 19a in the axial direction, the undercut sections 32 are drawn through or handled by stepped sections 29 existing at the end sections in the axial direction of the annular concave sections 27. |
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Annular concave sections 27 are provided on the inner-circumferential surfaces 20a of molding concave sections 19a provided in a stationary-side mold 17a and a movable-side mold 18a. The stationary-side mold 17a and the movable-side mold 18a are brought close to each other in the axial direction while compressing the intermediate material 23 in a state in which both side sections in the axial direction of the intermediate material 23 are inserted into the molding concave sections 19a. At this time, a part of the material of the intermediate material 23 is made to enter inside the annular concave sections 27, and undercut sections 32 are formed on the outer side in the radial direction of a compression-molded intermediate material 23b. After that, when removing both side sections in the axial direction of the intermediate material 23b from the inside of the molding concave sections 19a in the axial direction, the undercut sections 32 are drawn through or handled by stepped sections 29 existing at the end sections in the axial direction of the annular concave sections 27.</description><language>eng ; fre ; ger</language><subject>BEARINGS ; BLASTING ; ELEMENTS OR CRANKSHAFT MECHANISMS ; ENGINEERING ELEMENTS AND UNITS ; FLEXIBLE SHAFTS ; FORGE FURNACES ; FORGING ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HAMMERING ; HEATING ; LIGHTING ; MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS ; MECHANICAL ENGINEERING ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PRESSING METAL ; PUNCHING METAL ; RIVETING ; ROTARY BODIES OTHER THAN GEARING ELEMENTS ; SHAFTS ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; WEAPONS</subject><creationdate>2021</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=20211124&DB=EPODOC&CC=EP&NR=3628413B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211124&DB=EPODOC&CC=EP&NR=3628413B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YASUDA, Yuu</creatorcontrib><creatorcontrib>MIZUSHIMA, Yuuki</creatorcontrib><creatorcontrib>WATANABE, Mizuki</creatorcontrib><title>MOLDING DEVICE FOR MANUFACTURING CYLINDRICAL ROLLING BODY, MANUFACTURING METHOD FOR CYLINDRICAL ROLLING BODY, MANUFACTURING METHOD FOR ROLLING BEARING, MANUFACTURING METHOD FOR VEHICLE, AND MANUFACTURING METHOD FOR MECHANICAL APPARATUS</title><description>With respect to the manufacture of cylindrical rolling bodies, excess material on an outside section in the radial direction and recesses in both end surfaces in the axial direction are not generated as much as possible in the intermediate material that is removed from a molding device for performing compression molding. Annular concave sections 27 are provided on the inner-circumferential surfaces 20a of molding concave sections 19a provided in a stationary-side mold 17a and a movable-side mold 18a. The stationary-side mold 17a and the movable-side mold 18a are brought close to each other in the axial direction while compressing the intermediate material 23 in a state in which both side sections in the axial direction of the intermediate material 23 are inserted into the molding concave sections 19a. At this time, a part of the material of the intermediate material 23 is made to enter inside the annular concave sections 27, and undercut sections 32 are formed on the outer side in the radial direction of a compression-molded intermediate material 23b. After that, when removing both side sections in the axial direction of the intermediate material 23b from the inside of the molding concave sections 19a in the axial direction, the undercut sections 32 are drawn through or handled by stepped sections 29 existing at the end sections in the axial direction of the annular concave sections 27.</description><subject>BEARINGS</subject><subject>BLASTING</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLEXIBLE SHAFTS</subject><subject>FORGE FURNACES</subject><subject>FORGING</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HAMMERING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS</subject><subject>MECHANICAL ENGINEERING</subject><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PRESSING METAL</subject><subject>PUNCHING METAL</subject><subject>RIVETING</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHjt6-_j4unnruDiGubp7Krg5h-k4OvoF-rm6BwSGgSScI708fRzCfJ0dvRRCPL38QGJOfm7ROqgqfN1DfHwdwEbQIYWuDJXR5AUHpVhrh6ezj6uOgqOfi64Vfm6Ons4-oFd4BgQ4BjkGBIazMPAmpaYU5zKC6W5GRTcXEOcPXRTC_LjU4sLEpNT81JL4l0DjM2MLEwMjZ0MjYlQAgAg7lkl</recordid><startdate>20211124</startdate><enddate>20211124</enddate><creator>YASUDA, Yuu</creator><creator>MIZUSHIMA, Yuuki</creator><creator>WATANABE, Mizuki</creator><scope>EVB</scope></search><sort><creationdate>20211124</creationdate><title>MOLDING DEVICE FOR MANUFACTURING CYLINDRICAL ROLLING BODY, MANUFACTURING METHOD FOR CYLINDRICAL ROLLING BODY, MANUFACTURING METHOD FOR ROLLING BEARING, MANUFACTURING METHOD FOR VEHICLE, AND MANUFACTURING METHOD FOR MECHANICAL APPARATUS</title><author>YASUDA, Yuu ; MIZUSHIMA, Yuuki ; WATANABE, Mizuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3628413B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2021</creationdate><topic>BEARINGS</topic><topic>BLASTING</topic><topic>ELEMENTS OR CRANKSHAFT MECHANISMS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLEXIBLE SHAFTS</topic><topic>FORGE FURNACES</topic><topic>FORGING</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HAMMERING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS</topic><topic>MECHANICAL ENGINEERING</topic><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PRESSING METAL</topic><topic>PUNCHING METAL</topic><topic>RIVETING</topic><topic>ROTARY BODIES OTHER THAN GEARING ELEMENTS</topic><topic>SHAFTS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>YASUDA, Yuu</creatorcontrib><creatorcontrib>MIZUSHIMA, Yuuki</creatorcontrib><creatorcontrib>WATANABE, Mizuki</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YASUDA, Yuu</au><au>MIZUSHIMA, Yuuki</au><au>WATANABE, Mizuki</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MOLDING DEVICE FOR MANUFACTURING CYLINDRICAL ROLLING BODY, MANUFACTURING METHOD FOR CYLINDRICAL ROLLING BODY, MANUFACTURING METHOD FOR ROLLING BEARING, MANUFACTURING METHOD FOR VEHICLE, AND MANUFACTURING METHOD FOR MECHANICAL APPARATUS</title><date>2021-11-24</date><risdate>2021</risdate><abstract>With respect to the manufacture of cylindrical rolling bodies, excess material on an outside section in the radial direction and recesses in both end surfaces in the axial direction are not generated as much as possible in the intermediate material that is removed from a molding device for performing compression molding. Annular concave sections 27 are provided on the inner-circumferential surfaces 20a of molding concave sections 19a provided in a stationary-side mold 17a and a movable-side mold 18a. The stationary-side mold 17a and the movable-side mold 18a are brought close to each other in the axial direction while compressing the intermediate material 23 in a state in which both side sections in the axial direction of the intermediate material 23 are inserted into the molding concave sections 19a. At this time, a part of the material of the intermediate material 23 is made to enter inside the annular concave sections 27, and undercut sections 32 are formed on the outer side in the radial direction of a compression-molded intermediate material 23b. After that, when removing both side sections in the axial direction of the intermediate material 23b from the inside of the molding concave sections 19a in the axial direction, the undercut sections 32 are drawn through or handled by stepped sections 29 existing at the end sections in the axial direction of the annular concave sections 27.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS FORGE FURNACES FORGING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAMMERING HEATING LIGHTING MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS |
| title | MOLDING DEVICE FOR MANUFACTURING CYLINDRICAL ROLLING BODY, MANUFACTURING METHOD FOR CYLINDRICAL ROLLING BODY, MANUFACTURING METHOD FOR ROLLING BEARING, MANUFACTURING METHOD FOR VEHICLE, AND MANUFACTURING METHOD FOR MECHANICAL APPARATUS |
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