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          Slewing Bearing
          Slewing Drive
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          Xuzhou Shambon Machinery CO.,LTD
          Add£ºTongshan High-tech Development Zone, Xuzhou, Jiangsu Province, China.
          Tel£º+86-516-83406186
          Fax£º+86-516-80296010
          E-Mail£ºinfo@xzshangbang.com

            FAQ Home>> FAQ

          Shambon Type Selection Calculation
          Source :    Publication date: 2014/4/29    Read the number: 2428

          Shambon Type Selection Calculation
           
          Ò»¡¢Calculation for single-row ball slewing ring
          1¡¢Capacity of slewing ring
          ¡¡C0 = f ¡¤D¡¤d
          ¡¡In Equality£ºCo ¡ª¡ªCapacity of bearing £¬kN
          ¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡f ¡ª¡ªCapacity factor £¬0.108 kN / mm2
          ¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D ¡ª¡ªDiameter of track center £¬mm
          ¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡d ¡ª¡ªDiameter of ball £¬mm
          2¡¢Loading calculation

          ¡¡In Equality£ºCp ¡ª¡ªLoading caculation £¬ kN
          ¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡M ¡ª¡ªToppling movement £¬kN¡¤m
          ¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡Fa ¡ª¡ªAxial force £¬kN
          ¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡Fr ¡ª¡ªRadial force £¬kN
          3¡¢Safety factor calculation
          ¡¡¡¡¡¡fs = Co / Cp
          ¡¡¡¡¡¡fs see the following table¡£
          ¶þ¡¢ Calculation for 3-row-roller slewing ring bearing
          1¡¢Capacity of slewing ring
          ¡¡C0 = f ¡¤D¡¤d
          ¡¡In Equality£ºCo ¡ª¡ªCapacity of bearing £¬kN
          ¡¡¡¡¡¡¡¡¡¡¡¡¡¡ f ¡ª¡ªCapacity factor £¬0.172 kN / mm2
          ¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D ¡ª¡ªDiameter of track center£¬mm
          ¡¡¡¡¡¡¡¡¡¡¡¡¡¡ d ¡ª¡ªUpper row roller diameter£¬mm
          2¡¢Loading caculation
           
          ¡¡In Equality£ºCp ¡ª¡ªLoading caculation£¬kN
          ¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡M ¡ª¡ªToppling movement £¬kN¡¤m
          ¡¡¡¡¡¡¡¡¡¡¡¡¡¡ Fa ¡ª¡ªAxial force£¬kN
          3¡¢Safety factor calculation
          ¡¡¡¡¡¡fs = Co / Cp
          ¡¡¡¡¡¡fs see the following table ¡£
          ¡¡¡¡¡¡Slewing ring safety factor fs
          Types
          Characteres
          Examples
          fs
          light duty
          not often at full capacity ,Slewing Speedfast,  assault  small steadily
          Pile the material fetching machine £¬struck-crane£¬nonuse for port  wheel-crane
          1.00¡«1.15
          middle duty
          not often at full capacity£¬Slewing Speed faster£¬assault
          tower-crane£¬use for baot crane£¬pedrail-crane
          1.15¡«1.30
          heavy duty

          Often at full capacity ,Slewing Speed faster, assault big quickly
          grab-bucket-crane£¬n port-crane£¬single bucket excavator £¬Container crane
          1.30¡«1.45
          extremely heavy duty
          At full capacity £¬assault big quickly or the workplace condition is abominable
          bucket wheel excavator £¬tunnel borer£¬metallurgy crane£¬offshore platform crane
          1.45¡«1.70

           

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          Tel£º+86-516-83406186 Fax£º+86-516-80296010 E-Mail£ºinfo@xzshangbang.com
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