>> P.402
■트랙부하용량트랙부하용량이란롤러플로워의외륜이강제인상대캠가이드면(평면)과접촉하여상대부재가변형되거나압흔이생기지않고연속해서견딜수있는허용하중을말합니다.표8.1및표8.2에나온트랙부하용량은상대부재의경도가40HRC(인장강도1250N/mm2)인경우의값이며,상표8.1트랙부하용량(미터계열)트랙부하용량호칭번호대부재의경도가40HRC가아닌경우에는이값에표9의트랙부하용량계수를곱하여구할수있습니다.또한외륜과상대캠가이드면사이의윤활이불충분할때는사용조건에따라스티킹이나마모가발생할수있습니다.특히캠기구등의고속회전인경우는윤활과표면조도에주의해야합니다.단위N호칭번호트랙부하용량─────115001370013600160002000022100221002640031600367003670040800442004970047000553004970060800─────NURT15NURT15-1NURT17NURT17-1NURT20NURT20-1NURT25NURT25-1NURT30NURT30-1NURT35NURT35-1NURT40NURT40-1NURT45NURT45-1NURT50NURT50-1원통외륜호칭번호(2)─NAST6ZZNAST8ZZNAST10ZZNAST12ZZNAST15ZZ─트랙부하용량─35504490689073508030─트랙부하용량231035503980561059906550─RNAST5(R)NAST6(R)NAST8(R)NAST10(R)NAST12(R)NAST15─(R)NAST1710900NAST17ZZ11700────(R)NAST2012800NAST20ZZ13800────(R)NAST2514100NAST25ZZ15300────(R)NAST3022100NAST30ZZ22100────(R)NAST3525700NAST35ZZ25700────(R)NAST4026900NAST40ZZ30300────(R)NAST4528500NAST45ZZ32200────(R)NAST5030200NAST50ZZ34000────104013301850247027103060391036604530453051905190658065808020802092209220108009990124001080014000구면외륜호칭번호(1)복렬원통롤러플로워─────NURT15RNURT15-1RNURT17RNURT17-1RNURT20RNURT20-1RNURT25RNURT25-1RNURT30RNURT30-1RNURT35RNURT35-1RNURT40RNURT40-1RNURT45RNURT45-1RNURT50RNURT50-1R분리형롤러플로워RNAST5R(R)NAST6R(R)NAST8R(R)NAST10R(R)NAST12R(R)NAST15R─비분리형(3)롤러플로워NART5RNART6RNART8RNART10RNART12RNART15R─(R)NAST17RNART17R──(R)NAST20RNART20R──(R)NAST25RNART25R──(R)NAST30RNART30R──(R)NAST35RNART35R──(R)NAST40RNART40R──(R)NAST45RNART45R──(R)NAST50RNART50R──주(1)총롤러,실드형및씰형에도적용합니다.(3)C루브롤러플로워에도적용합니다.(2)씰형에도적용합니다.표8.2트랙부하용량(인치계열)단위N표9트랙부하용량계수구면외륜원통외륜호칭번호(1)트랙부하용량호칭번호(1)트랙부하용량경도HRC인장강도N/mm2트랙부하용량계수구면외륜원통외륜CRY12RCRY14RCRY16RCRY18RCRY20RCRY22RCRY24RCRY26RCRY28RCRY30RCRY32RCRY36RCRY40RCRY44RCRY48RCRY52RCRY56RCRY64R8531050142016602160245034103820421046105690664089701020011400127001410016800씰형에도적용합니다.주(1)402CRY12CRY14CRY16CRY18CRY20CRY22CRY24CRY26CRY28CRY30CRY32CRY36CRY40CRY44CRY48CRY52CRY56CRY644490524072707700107001180015400167002100022500308003470044900494006430069600870001130002025303538404244464850525456587608409501080118012501340143515301635176018802015215022900.220.310.450.650.851.001.231.521.852.272.803.464.215.136.260.370.460.580.750.891.001.151.321.511.731.992.292.612.973.39
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