Rješenje

Slijedi sažetak rješenja za uobičajene probleme strojeva za lasersko rezanje, u kombinaciji s nizom tehničkih dokumenata i iskustva u industrijskoj praksi, koji pokrivaju mehaničke, optičke, električne i radne i održavanja te druge aspekte:

 1. Problemi kvalitete rezanja

1. Kontinuirano rezanje ili grubi rez

 Provjerite je li postavka snage lasera preniska i prilagodite parametre snage potenciometra ili softvera.  

Očistite ili zamijenite kontaminirane / istrošene leće za fokusiranje i reflektirajuće leće kako biste osigurali da put svjetlosti nema odstupanja.  

Prilagodite žarišnu duljinu u optimalni položaj i za kalibraciju upotrijebite alat za ispitivanje položaja fokusa.  

Provjerite čistoću pomoćnog plina (npr. dušika ili kisika) i prilagodite tlak preporučenoj vrijednosti.  

2. Odstupanje veličine rezanja ili deformacija uzorka

Kalibrirajte ekvivalent pulsa numeričkog upravljačkog sustava i prilagodite parametre koraka u softveru.  

Provjerite je li vijak sinkronizacijskog kotača labav, je li napetost remena primjerena i zategnite mehaničke dijelove.  

Ako se tijekom dinamičkog rezanja dogodi gubitak koraka, potrebno je smanjiti brzinu obrade ili provjeriti stabilnost pokretača motora.  

3. Burrs ili abnormalne iskre

Zamijenite istrošene mlaznice i optimizirajte tlak plina (npr. Prebacite se na dušik za rezanje od nehrđajućeg čelika).  

Provjerite pomak položaja laserskog fokusa i ponovno kalibrirajte optički put.  

Za visoko reflektirajuće materijale (npr. aluminij, bakar), koristite tehnologiju pulsne perforacije ili dodajte antirefleksne premaze.  

 Mehanički i električni kvarovi

1. Abnormalno kretanje stroja (slučajno hodanje, zaglavljeno)

Provjerite prizemnu vezu kako biste eliminirali statičke smetnje.  

Testirajte je li okno motora slomljeno, je li sinkroni ležaj kotača oštećen i na vrijeme zamijenite oštećene dijelove.  

Provjerite napon napajanja vozača (obično 24-60V istosmjerno), a pomoću multimetra provjerite stabilnost prekidačkog napajanja.  

2. Laserski kvar ili slabljenje snage

Provjerite je li sustav cirkulacije vode normalan i zamijenite rashladnu vodu ako temperatura vode prelazi 40 °C.  

Kratki spoj AIN i + 5V signalni test laserskog napajanja, ako svjetlo izađe, to je neuspjeh potenciometra.  

Zamijenite staru lasersku cijev (ako slabljenje svjetlosti premašuje 20%) ili dio paljenja visokonaponske linije. Većina kvarova može se riješiti osnovnim rješavanjem problema (poput čišćenja leće, provjere napajanja). Složeni problemi trebaju se kombinirati s priručnicima za opremu i profesionalnom podrškom. Redovito održavanje može smanjiti iznenadne kvarove za 80%. Korisnicima na razini poduzeća preporučuje se obratiti pažnju na trend inteligentnih nadogradnji opreme kako bi se poboljšala dugoročna konkurentnost. Detaljnije slučajeve potražite u knjižnici kvarova International Metal Processing Network.

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