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

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