Gear type slewing bearing with gradually-changed hardness
The utility model discloses a gear type slewing bearing with gradually-changed hardness. The gear type slewing bearing with gradually-changed hardness is composed of an outer ring (or an external tooth ring), a steel ball, an isolation piece, an internal tooth ring (or an inner ring) and a seal skin...
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| creator | HOU NING HU HENGQIANG CHEN CHEN ZHANG FENG XIAO LEI TAO HONGYU |
| description | The utility model discloses a gear type slewing bearing with gradually-changed hardness. The gear type slewing bearing with gradually-changed hardness is composed of an outer ring (or an external tooth ring), a steel ball, an isolation piece, an internal tooth ring (or an inner ring) and a seal skin, and is characterized in that the surface hardness of a gear is gradually changed, the bearing is divided into a soft band region, a transitional region and a normal hardness region from a position which approaches to the upper part of the gear of a non-mounting surface, and the hardness is respectively 25-40 HRC,40-50 HRC and 50-56 HRC; and the width of the soft band region is 0.2-0.3 times of full tooth width, the width of the transitional region is 0.2-0.3 times of full tooth width, and the width of the normal hardness region is 0.4-0.6 times of the full tooth width. The gradual change hardness gear type slewing bearing can be used for strengthening the extrusion resisting capability of the upper part of the ge |
| format | Patent |
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The gear type slewing bearing with gradually-changed hardness is composed of an outer ring (or an external tooth ring), a steel ball, an isolation piece, an internal tooth ring (or an inner ring) and a seal skin, and is characterized in that the surface hardness of a gear is gradually changed, the bearing is divided into a soft band region, a transitional region and a normal hardness region from a position which approaches to the upper part of the gear of a non-mounting surface, and the hardness is respectively 25-40 HRC,40-50 HRC and 50-56 HRC; and the width of the soft band region is 0.2-0.3 times of full tooth width, the width of the transitional region is 0.2-0.3 times of full tooth width, and the width of the normal hardness region is 0.4-0.6 times of the full tooth width. The gradual change hardness gear type slewing bearing can be used for strengthening the extrusion resisting capability of the upper part of the ge</description><language>chi ; eng</language><subject>BEARINGS ; BLASTING ; ELEMENTS OR CRANKSHAFT MECHANISMS ; ENGINEERING ELEMENTS AND UNITS ; FLEXIBLE SHAFTS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; ROTARY BODIES OTHER THAN GEARING ELEMENTS ; SHAFTS ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2013</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=20130605&DB=EPODOC&CC=CN&NR=202971557U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130605&DB=EPODOC&CC=CN&NR=202971557U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HOU NING</creatorcontrib><creatorcontrib>HU HENGQIANG</creatorcontrib><creatorcontrib>CHEN CHEN</creatorcontrib><creatorcontrib>ZHANG FENG</creatorcontrib><creatorcontrib>XIAO LEI</creatorcontrib><creatorcontrib>TAO HONGYU</creatorcontrib><title>Gear type slewing bearing with gradually-changed hardness</title><description>The utility model discloses a gear type slewing bearing with gradually-changed hardness. The gear type slewing bearing with gradually-changed hardness is composed of an outer ring (or an external tooth ring), a steel ball, an isolation piece, an internal tooth ring (or an inner ring) and a seal skin, and is characterized in that the surface hardness of a gear is gradually changed, the bearing is divided into a soft band region, a transitional region and a normal hardness region from a position which approaches to the upper part of the gear of a non-mounting surface, and the hardness is respectively 25-40 HRC,40-50 HRC and 50-56 HRC; and the width of the soft band region is 0.2-0.3 times of full tooth width, the width of the transitional region is 0.2-0.3 times of full tooth width, and the width of the normal hardness region is 0.4-0.6 times of the full tooth width. The gradual change hardness gear type slewing bearing can be used for strengthening the extrusion resisting capability of the upper part of the ge</description><subject>BEARINGS</subject><subject>BLASTING</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLEXIBLE SHAFTS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLB0T00sUiipLEhVKM5JLc_MS1dIAoqA6PLMkgyF9KLElNLEnJxK3eSMxLz01BSFjMSilLzU4mIeBta0xJziVF4ozc2g5OYa4uyhm1qQH59aXJCYnJqXWhLv7GdkYGRpbmhqah4aakyUIgCpui-i</recordid><startdate>20130605</startdate><enddate>20130605</enddate><creator>HOU NING</creator><creator>HU HENGQIANG</creator><creator>CHEN CHEN</creator><creator>ZHANG FENG</creator><creator>XIAO LEI</creator><creator>TAO HONGYU</creator><scope>EVB</scope></search><sort><creationdate>20130605</creationdate><title>Gear type slewing bearing with gradually-changed hardness</title><author>HOU NING ; HU HENGQIANG ; CHEN CHEN ; ZHANG FENG ; XIAO LEI ; TAO HONGYU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN202971557UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2013</creationdate><topic>BEARINGS</topic><topic>BLASTING</topic><topic>ELEMENTS OR CRANKSHAFT MECHANISMS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLEXIBLE SHAFTS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>ROTARY BODIES OTHER THAN GEARING ELEMENTS</topic><topic>SHAFTS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>HOU NING</creatorcontrib><creatorcontrib>HU HENGQIANG</creatorcontrib><creatorcontrib>CHEN CHEN</creatorcontrib><creatorcontrib>ZHANG FENG</creatorcontrib><creatorcontrib>XIAO LEI</creatorcontrib><creatorcontrib>TAO HONGYU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HOU NING</au><au>HU HENGQIANG</au><au>CHEN CHEN</au><au>ZHANG FENG</au><au>XIAO LEI</au><au>TAO HONGYU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Gear type slewing bearing with gradually-changed hardness</title><date>2013-06-05</date><risdate>2013</risdate><abstract>The utility model discloses a gear type slewing bearing with gradually-changed hardness. The gear type slewing bearing with gradually-changed hardness is composed of an outer ring (or an external tooth ring), a steel ball, an isolation piece, an internal tooth ring (or an inner ring) and a seal skin, and is characterized in that the surface hardness of a gear is gradually changed, the bearing is divided into a soft band region, a transitional region and a normal hardness region from a position which approaches to the upper part of the gear of a non-mounting surface, and the hardness is respectively 25-40 HRC,40-50 HRC and 50-56 HRC; and the width of the soft band region is 0.2-0.3 times of full tooth width, the width of the transitional region is 0.2-0.3 times of full tooth width, and the width of the normal hardness region is 0.4-0.6 times of the full tooth width. The gradual change hardness gear type slewing bearing can be used for strengthening the extrusion resisting capability of the upper part of the ge</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS |
| title | Gear type slewing bearing with gradually-changed hardness |
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