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Guest csl

Pierd pasi cand merge freza

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Guest csl

Am o noua problema la noul CNC.

Totul merge perfect, nu pierd nici un pas atata timp cat nu e pornita freza.

Cand pornesc freza deja in timp motoarele pierd pasi...

ce pot face?

Folosesc o freza cu racire pe apa de 2.2KW si invertor  Huanyang HY02D223B.

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Mai clar

pierzi pasi cind freza intra in material sau pur si simplu este suficient ca motorul frezei sa fie pornit si pierzi pasi?

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Guest csl

e destul sa il pornesc sa mearga in gol

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Atunci ai probleme EMC.

Mai intii ferite pe cabluri si cabluri ecranate pt motorul frezei. POti trage numai o tresa impamintata peste toate la un loc.

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Guest csl

Am inteles.Daca dau cablu de la freza cu banda de aluminiu este ok?Sa incerc sa leg cnc ul la impamantare? Ajuta ?

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Poate, daca ai banda de aruncat in caz ca nu merge, incearca, si apoi sa o legi la impamintare.

CNC-ul nu-i legat INCA la impamintare cu toate problemele astea?

 

edit

freza mai are vreo legatura electrica cu CNC-ul inafara carcaselor? eventual control logic din controler?

Edited by sesebe

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Guest csl

Nu are nici o legatura electrica... e montat pe cnc si vine cablu direct in invertor si invertor direct priza

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Prima experienta cu VFD? :d

Genereaza zgomot EM foarte puternic - mie imi baga pulsuri false in circuitul cu intrerupatoarele de capat.

Cabluri ecranate, inclusiv cel de alimentare al VFD-ului. De fapt ala era cea mai puternica antena de emisie la mine.

Masina si ecranajele legate la impamantare - intr-un singur capat.

Mare atentie sa fie legate intr-un singur capat (cel dinspre PC), ca daca faci bucle de masa te alegi cu inca niste emitatoare.

PC-ul legat si el la impamantare - aceeasi.

Cea mai mare atentie trebuie acordata la ecranarea circuitelor de curenti si tensiuni mici - comenzile driverelor, cablul de la PC, senzori.

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