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bussola a sfera

English translation: ball bushing

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Italian term or phrase:bussola a sfera
English translation:ball bushing
Entered by: Anja Medic
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23:12 Feb 14, 2006
Italian to English translations [PRO]
Tech/Engineering - Other / esiccatore stirante - press dryer
Italian term or phrase: bussola a sfera
L'unico riscontro che ho trovato in inglese e` "ball-type nipple".

Sapeta se c'e` un'altra traduzione?

Contesto:

"L’intervento sottodescritto (manutenzione preventiva) è finalizzato a prolungare al massimo la vita delle bussole a sfere montate all’interno del carrello avanzatore e a garantirne il funzionamento ottimale."
Ivana UK
United Kingdom
Local time: 17:32
ball bushing
Explanation:
Ball Bushing™ bearings

• Invented in the 1950s by John Thomson.

• A linear bearing which incorporates recirculating balls on a round shaft (e.g., a Ball Bushing™ bearing) (Courtesy of Thomson Industries.):
Round shafts are inexpensive to grind or hone.

• Easy to design and manufacture machines using Ball Bushing™ bearings.

• Rotary and torque transmitting designs are available.

• Generally intended as a modest accuracy bearing (material handling devices), counterweight guides).

• Ball/shaft interface is not optimal for load capacity or stiffness.

• Early machine tools found that by overloading the preload, circular arch grooves cold formed in the shaft.

• Replace the balls and the bearing would be reassembled to perform at higher loads and have greater stiffness.

• This in effect acted as the forerunner of profile rail bearings (linear guides).

• Instrument grades are often used to guide the shafts in gage heads (e.g., an LVDT probe).
Selected response from:

Anja Medic
Italy
Local time: 18:32
Grading comment
many thanks
4 KudoZ points were awarded for this answer

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Summary of answers provided
3 +2ball bushing
Anja Medic


  

Answers


33 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +2
ball bushing


Explanation:
Ball Bushing™ bearings

• Invented in the 1950s by John Thomson.

• A linear bearing which incorporates recirculating balls on a round shaft (e.g., a Ball Bushing™ bearing) (Courtesy of Thomson Industries.):
Round shafts are inexpensive to grind or hone.

• Easy to design and manufacture machines using Ball Bushing™ bearings.

• Rotary and torque transmitting designs are available.

• Generally intended as a modest accuracy bearing (material handling devices), counterweight guides).

• Ball/shaft interface is not optimal for load capacity or stiffness.

• Early machine tools found that by overloading the preload, circular arch grooves cold formed in the shaft.

• Replace the balls and the bearing would be reassembled to perform at higher loads and have greater stiffness.

• This in effect acted as the forerunner of profile rail bearings (linear guides).

• Instrument grades are often used to guide the shafts in gage heads (e.g., an LVDT probe).


    Reference: http://pergatory.mit.edu/2.007/contests/2000_sojourner/lectu...
Anja Medic
Italy
Local time: 18:32
Native speaker of: Native in CroatianCroatian
PRO pts in category: 4
Grading comment
many thanks

Peer comments on this answer (and responses from the answerer)
agree  Daniela Zambrini: http://www.mbsitem.co.uk/Product_Groups/Linear_Motion.htm
1 min
  -> Grazie. Ciao,

agree  Yaotl Altan
24 mins
  -> Thanks. Bye, Anja
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