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ELFORUM - Forumul electronistilor
subsemnatul2012

Ce sunt acestea ?

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pai nu vezi ca toti sunt specialisti in exact ce nu-ti trebuie sau specialisti cu gogu.

utilizari: la masini unelte pt oprirea rapida a arborelui principal, blocarea mesei de lucru

macarale, poduri rulante sau la lifturi pt asigurarea sarcinii ridicate

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Ptr dvs,domnule gauss : pai daca eu nu stiu ce este,cum pot intreba pe nenea Gogu?Am crezut ca am pus anuntul in sectiunea incepatorilor,nu in cea a arogantilor (cer scz acelora care i-am facut pe nedrept).O seara faina!

 

 Ms domnului djvas ,ptr raspuns !

 

Ptr moderator: cand am deschis anuntul am pus o intrebare si am adaugat si 2 fotografii,dar vazand ce raspunsuri primesc,am editat apoi doar ''GOGU'. Scuze daca am parut fara bun simt !.

Edited by subsemnatul2012
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Ai primit raspunsul in postarea 2 . Urmau pasii din postarea 11 . Simpla tastare . Chiar nu mai inteleg ... imi pare rau ca m - am bagat . Eu nu vad nimic legat de aroganta , doar de altceva ... Spor in viitor , si o seara buna .

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Frana electro - magnetica are un bobinaj de comanda in curent continuu si un rotor din material magnetic dur. In lipsa curentului se invarte usor. Cand exista un curent continuu in bobina, opune un cuplu proportional cu curentul si independent de turatie.Functioneaza si ca generator de curent alternativ, motor sincron sau traductor de turatie. Pentru asta trebuie magnetizat bine rotorul printr-un impuls de curent mare in bobina.

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