Cap. 2. ORGANE DE MASINI FILETATE - Catedra de Organe de ...
Cap. 2. ORGANE DE MASINI FILETATE - Catedra de Organe de ...
Cap. 2. ORGANE DE MASINI FILETATE - Catedra de Organe de ...
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Numarul <strong>de</strong> inceputuri<br />
• 1, 2 sau 3 (rar) inceputuri<br />
capat <strong>de</strong> spira<br />
α2<br />
Clasificarea filetelor<br />
Sensul filetului<br />
• Filet dreapta<br />
• Filet stanga<br />
l<br />
l<br />
p<br />
capat <strong>de</strong> spira p<br />
capat <strong>de</strong> spira<br />
(a) 1 inceput – filet dreapta (b) 2 inceputuri – filet stanga<br />
Feb. 2011 -- T.Cicone 7/50<br />
Diametrul corpului<br />
surubului - d0 usual<br />
acelasi cu diamterul<br />
nominal<br />
Inclinare<br />
elice, α<br />
Diametru<br />
interior, d1 (d3)<br />
α2<br />
Pas aparent - p Pas (avans), l<br />
Elementele constructive ale suruburilor<br />
<strong>Cap</strong><br />
Racordare<br />
parte<br />
nefiletata<br />
Iesirea<br />
(<strong>de</strong>gajarea)<br />
filetului<br />
Pas, p Filet<br />
Diametru<br />
exterior, d<br />
Crest<br />
Corp<br />
Feb. 2011 -- T.Cicone 8/50<br />
d0 < d<br />
Pasul<br />
•Normal<br />
•Fin<br />
• GGrosolan l<br />
OM-I <strong>Cap</strong> <strong>2.</strong> OM filetate<br />
d0 > d<br />
Surub elastic Surub cu umar<br />
Surub <strong>de</strong> pasuire<br />
RRoot t Zona filetata: tip tip, d, d p, p <strong>de</strong>talii<br />
Varf<br />
Corp: tip, lungime, (d 0)<br />
<strong>Cap</strong> & varf – forma<br />
OM-I <strong>Cap</strong> <strong>2.</strong> OM filetate<br />
4
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