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21. Se d arborele: Se cer: -N;

-abaterile limit ;-dimensiunile limit ;-tolerante;

N=60 mmai= mmas=+0.45mmdmin=N+a i=60+(-0.25)=59.75mmdmax =N+a s=60+0.45=60.45mmTd=dmax-d min=60.45-59.75=0.70mm

22. Se d arborele: mmSe cer: -N;

-abaterile limit-dimensiunile limita-tolerante

N=60mmai= mmas=+0.54mmdmin=N+a i=60+(-0.29)=59.71mmdmax =N+a s=60+0.54=60.54mmTd=dmax-d min=60.54-59.71=0.83mm

23. Se d arborele: mmSe cer: -N;

-abaterile limit-dimensiunile limita

-tolerante N=50mmai= mmas=+0.45mmdmin=N+a i=50+(-0.25)=49.75mmdmax =N+a s=50+0.54=50.45mmTd=dmax-d min=50.45-49.75=0.70mm

24. Se d arborele: mmSe cer: -N;

-abaterile limit-dimensiunile limita

-tolerante N=60mmai= mmas=+0.50mmdmin=N+a i=60+(-0.30)=59.70mmdmax =N+a s=60+0.50=60.50mmTd=dmax-d min=60.50-59.70=0.80mm

25. Se d arborele:

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Se cer: -N;-abaterile limit-dimensiunile limita-tolerante

N=60mmai= mm

as=+0.40mmdmin=N+a i=60+(-0.10)=59.9mmdmax =N+a s=60+0.40=60.40mmTd=dmax-d min=60.40-59.9=0.50mm

26. Se d alezajul: mmSe cer: -N;

-abaterile limit-dimensiunile limita-tolerante

N=60mmAi= mmAs=-0.50mmDmin=N+A i=60+(-0.30)=59.70mmDmax =N+A s=60+(-0.50)=59.50mmTD=D max -D min=59.70-59.50=0.20mm

27. Se d alezajul: mmSe cer: -N;

-abaterile limit-dimensiunile limita-tolerante

N=50mm

Ai= mmAs=-0.40mmDmin=N+A i=50+(-0.25)=49.75mmDmax =N+A s=50+(-0.40)=49.60mmTD=D max -D min=49.75-49.60=0.20mm