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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
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Shambon Type Selection Calculation
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Source
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Publication date:
2014/4/29
Read the number:
2468
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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
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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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