Lucrare de laborator nr

LUCRARE DE LABORATOR 1.TEMA: MECANISMUL BIEL-MANIVEL.Obiectivele lucrrii: De a consolida i dezvolta cunotinele teoretice la construcia pieselor, ansamblurilor i principiul de funcionare a mecanismului biel-manivel. De a studia caracteristicile de baz a pieselor mecanismului biel-manivel la motoarele autovehiculelor: ZMZ-53, ZMZ-402, VAZ-2110; KamAZ-740, ROMAN, DAC, ARO.

Coninutul lucrrii: consolidarea cunotinelor pe construcia i principiul de funcionare a mecanismului biel-manivel; de a rspunde la fiecare ntrebare de control; de a rspunde n scris la ntrebarea de control conform numrului de ordine din list; de a da explicaie la prescripiile desenelor- arborele cotit, grupul biel-piston; de complectat tabelul cu Caracteristicile de baz a mecanismului biel-manivel la motoarele autovehiculelor: ZMZ-53, ZMZ-402, VAZ-2110; KamAZ-740, DAC.

nzestrarea tehnic i materialele utilizate: piesele mecanismului biel-manivel, machete, plane, set de instrumente, cri, conspect.ntrebri de control.1. Din ce mecanisme i sisteme este compus motorul cu ardere intern si pentru ce sunt destinate aceste mecanisme si sisteme .2. Piesele mobile ale mecanismului biel-manivel : pistoanele , segmenii, bielele, cuzineii, arborele cotit i volantul. Destinaiea, construciea, principiile constructive , materiealele.3. Arborii de destribuie,destinatiea ,elementele constructive a arborilor de distribuie :fusurile de reazem ,camele ,excentricul ,pinioanele ,dispozitivul de limitare a deplasarii axiale a arborelui de distribuie.Construciile ,materialele,deosebirile constructive a arborelor de distribuie a automobilelor moderne .Bibliografia.1. Gh. Fril, Mariana Fril, St. Samoil Automobile, cunoatere, ntreinere i reparare, Editura didactic i pedagogic, R.A.- Bucureti 2005.

2. E. V. Mihailovschii, C. B. Serebreacov, E. Ia. Tur Ustroistvo avtomobilea, Mainostroienie- Moscva 1981.

3. E. Ia. Tur, E. V. Mihailovschi, L. A. Jolobov Ustroistvo avtomobilea, Mainostroienie- Moscva 1990.

4. Avtomobili VAZ-2110, -2111, -2112. Rucovodstvo po tehnicescomu obslujivaniu i remontu, Za ruleom, 2002.

5. Cratchii avtomobilini spravocinic NIIAT, Transport -Moscva 1985.

6. Avtomobili GAZ-24 VOLGA. Constructivnie osobenosti, tehnicescoe obslujivanie i remont., Transport -Moscva 1970.

7. Avtomobili KamAZ. Tehnicescoe obslujivanie i remont., vol. I, II, Transport -Moscva 1987.

8. A. P. Stepanov, I. P. Ciaicovskii Avtomobili GAZ-53A. Constructivnie osobenosti, tehnicescoe obslujivanie i remont., Transport -Moscva 1968.

Rspuns la ntrebarea de control __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

De dat explicaii la prescripiile desenului.

Fig. 1.1.

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

__________________________________________________________________________________________________________________________________________________________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

De dat explicaii la prescripiile desenului.

Fig. 1.2.

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

PAGE