CAROTE METAL HSS, HSS-Co, TCT SI SETURI CAROTE


CAROTE PENTRU METAL


CAROTE PENTRU METAL

  Utilizarea carotei pentru prelucrarea metalului nu a fost considerata ca fiind solutia optima pentru realizarea gaurilor, mai ales in cazul gamei hobby. Executia gaurilor cu burghiu elicoidal a fost solutia preferata pentru mult timp, deoarece majoritatea utilizatorilor nu doreau sa faca investitii suplimentare, prin achizitia de masini de gaurit cu talpa magnetica sau echipamente mai mari.

   Este surprinzator cat de multe persoane inca utilizeaza bughiurile elicoidale in special in cazul realizarii unor gauri de diametre mari. Design-ul burghiului elicoidal nu a fost modificat timp de decenii. Chiar daca au fost aduse cateva imbunatatiri cum ar fi utilizarea de placute din carburi metalice sau burghiul inelar, produsul in ansamblu nu este atat de eficient pe cat ar trebui. Aceasta este datorita faptului ca burghiul elicoidal realizeaza doua operatiuni simultan: taiere si daltuire. Datorita designului sau, productivitatea burghiului elicoidal este limitata de puterea disponibila a masinii. In plus, se exercita o forta de compresie si forfecare foarte mare in cazul burghiului elicoidal care vor actiona in cele mai multe cazuri numai asupra a doua suprafete de taiere. Aceasta va cauza nu numai o uzura sau fisurare prematura, dar de asemenea va determina o viteza de lucru mult mai mica;

   In loc sa se mareasca puterea echipamentelor se recomanda utilizarea unei carote ceea ce permite obtinerea unor rezultate superioare fata de burghiul elicoidal. In prezent, carota tinde sa devina o scula nelipsita din dotarea unui atelier, inclusiv pentru operatiile de gaurire executate pe masini de gaurit clasice sau CNC, datorita avantajelor pe care utilizarea acestora le ofera:

- cel mai mare avantaj, pe care-l observa majoritatea utilizatorilor, este economia deosebita de timp si energie. De exemplu daca aveti de executat cateva gauri este foarte probabil sa fie necesare mai multe gauriri intermediare. Prin utilizarea carotei se elimina necesitatea pre-gauririi. In plus castigati timp deoarece puteti lucra cu o viteza de gaurire superioara celei de la gaurirea cu burghiu elicoidal. Acesta este principalul motiv pentru care producatorii renunta la burghiul elicoidal este transformarea unui proces greoi in unul rapid si foarte efficient;

- un alt avantaj major al utilizarii carotelor este posibilitatea folosirii acestora pe masini cu putere mult mai mica. Atata timp cat carota nu va gauri intrega suprafata a gaurii momentul necesar este mult mai mic;

- alt avantaj pe care-l ofera utilizarea carotelor pentru debitarea metalului este realizarea de gauri mult mai precise cu suprafate foarte fine care nu necesita prelucrari ulterioare;

- racirea carotei se realizeaza foarte usor prin intermediului pinului de centrare, ceea ce face posibila gaurirea continua, intr-o singura etapa;


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  • AVANTAJELE FOLOSIRII CAROTELOR : 
  • economie de energie;
  • utilizarea vitezelor de aschiere mai mari;
  • utilizarea unor echipamente mai putin puternice si de echipamente mai usoare;
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  • usurinta racirii carotei prin intermediul pinului de centrare;

  • usurinta racirii carotei prin intermediul pinului de centrare;

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