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»Ø×ªÖ§³ÐµÄÔìÐͼÆËã »Ø×ªÖ§³Ð½á¹¹ÐÍʽtype of slewing ring bearing;01¡¢µ¥ÅÅÇòʽsinagle-rowball;02¡¢Ë«ÅÅÒì¾¶Çòʽdouble-rowball;11¡¢µ¥ÅŽ»²æ¹öÖùʽcrossed rollers;13¡¢ÈýÅŹöÖùʽ3-row roller.³ÝÂÖ´«¶¯ÐÎʽ0--ÎÞ³Ýʽno teeth1--½¥¿ªÏßÔ²Öù³ÝÂÖÍâ³ÝÄöºÏСģÊýouter teeth&smaller module;2--Íâ³ÝÄöºÏ´óÄ£Êýoter teeth&bigger module;3--ÄÚ³ÝÄöºÏСģÊýinner teeth&smaller module;4--ÄÚ³ÝÄöºÏ´óÄ£Êýinner teeth&bigger module.°²×°ÅäºÏÐÍʽfitting circle;0--±ê×¼ÐÍÎÞÖ¹¿Úno fitting circle;1--±ê×¼ÐÍÓÐÖ¹¿Úwith fitting circle;2--ÌØÊâÐÍspecial;°²×°Á¬½Ó¿×ÐÍʽ installation hole type;0--ÄÚÍâȦ°²×°¿×¾ùΪͨ¿×both rings with installation bolt holes;1--ÄÚÍâȦ°²×°¿×¾ùΪÂÝÎÆ¿×both rings with screw holes;2--ÄÚȦ°²×°¿×ΪÂÝÎÆ¿×inner ring with screw holes,ÍâȦ°²×°¿×Ϊͨ¿×outer ring with installation bolt holes;3--ÍâȦ°²×°¿×ΪÂÝÎÆ¿×outer ring with screw holes,ÄÚȦ°²×°¿×Ϊͨ¿×inner ring with installation bolt holes¡£µ¥ÅÅÇòʽ»Ø×ªÖ§³ÐµÄÔìÐͼÆËãCalculation for single-row ball slewing ring bearing:1¡¢¼ÆËã»Ø×ªÖ§³ÐµÄ¶î¶¨¾²ÈÝÁ¿capacity of slewing ring bearing Co=f?£Ä?d ʽÖУºCo¶î¶¨¾²ÈÝÁ¿£¬£Î£¨capacity of bearing£© f¾²ÈÝÁ¿ÏµÊý£¬£±£±£°£Î£¯mm2(capacity factor) D¹öµÀÖÐÐÄÖ±¾¶£¬mm£¨diameter of track center)d¸ÖÇò¹«³ÆÖ±¾¶£¬mm(diameter of ball)¡£2¡¢¸ù¾Ý×éºÏºóµÄÍâÔØºÉ£¬¼ÆËãµ±Á¿ÖáÏòÔØºÉloading calculation Cp=P+0.00437M/D+3.44Fr ʽÖУºCp£­µ±Á¿ÖáÏòÔØºÉ£¬£Î¡¡¡¡¡¡£Í£­×ÜÇ㸲Á¦¾Ø£¬£Î?m(total toppling movement) P-×ÜÖáÏòÁ¦£¬£Î£¨total axial force£© Fr-×ܾ¶Ïò³µ£¬£Î£¨total radial force£©¡£3¡¢¼ÆË㰲ȫϵÊý£¨safety factor calculation£© fs=Co/Cp fsÖµ¿É°´Ï±íѡȡ£¨see the following table£©¡£ÈýÅÅÖùʽ»Ø×ªÖ§³ÐµÄÔìÐͼÆËãCalculation for 3-row-roller slewing ring bearing:£±¡¢¼ÆËã¶î¶¨¾²ÈÝÁ¿capacity of slewing ring bearing Co=f?£Ä?d ʽÖУºCo-¶î¶¨¾²ÈÝÁ¿£¬£Î£¨capacity of bearing£© f-¾²ÈÝÁ¿ÏµÊý£¬£±47N/mm2£¨capacity factor£© D-¹öµÀÖÐÐÄÖ±¾¶£¬mm(diameter of track center) d-ÉÏÅŹöÖùÖ±¾¶£¬mm(upper row roller diameter)2¡¢¸ù¾Ý×éºÏºóµÄÍâÔØºÉ£¬¼ÆËãµ±Á¿ÖáÏòÔØºÉloading calculationCp=p+0.0045M/DʽÖУºCp-µ±Á¿ÖáÏòÔØºÉ£¬ N M-×ÜÇ㸲Á¦£¬N?m(total toppling movement)P×ÜÖá³ÐÏòÁ¦£¬N(total axial force)3¡¢¼ÆË㰲ȫϵÊý£¨safety factor calculation£©fs=Cp/CpfsÖµ¿É°´Ï±íѡȡ£¨see the following table£©;Äþ²¨½ð°ÙÁªÖá³ÐÓÐÏÞ¹«Ë¾×Ü»úµç»°£º022-58059053 58059268 13102005112 87220519 ÏúÊ۵绰£º022-58059063 87222422£¨Ö±²¦£©58059268 58059053 13102005112 87220519£¨×ª·Ö»ú£©²É¹º²¿µç»°£º022-87221977´«Õ棺022-23707785µØÖ·£ºÌì½òÊÐÄÏ¿ªÇø»ªÔ·¹ú¼Ê´´ÒµÖÐÐĺ£Ì©ÐÅÏ¢¹ã³¡B×ù212ÊÒE-mail£ºweb@nskpc.comÍøÖ·£ºwww.nskpc.com www.nkspc.com ½ð°ÙÁªÌØÖַDZêÖá³ÐÍø: www.skf365.com
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