MASINI UNELTE SI UTILAJE
MASINI UNELTE SI UTILAJE
MASINI UNELTE SI UTILAJE
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De rulare – intre fatetele imbinate prezinta corpuri de rulare care pot fi role, bile sau<br />
ace.<br />
Avantaje:<br />
Combinate<br />
Forte de frecare foarte mici, ceea ce evita mersul sacadat al saniei la viteze<br />
mici<br />
Precizie ridicata de pozitionare<br />
Permit viteze de deplasare mari<br />
Durabilitate mare in exploatare<br />
Dezavantaje:<br />
Executie complicata<br />
Capacitate redusa de amortizare a vibratiilor<br />
Dificultati in realizarea unei protectii bune<br />
2009-2010 SEM - CURS 6 26
![Cursul 8 [pps]](https://img.yumpu.com/21044934/1/190x146/cursul-8-pps.jpg?quality=85)
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