TECHNOLOGICAL PROCESS OF CUTTING PRODUCTS ON A CNC LASER CUTTER

U ovom diplomskom radu prikazan je laserski postupak rezanja materijala, u ovom slučaju riječ je o čeliku S235. Izrezivano je osamnaest komada pri čemu su varirani parametri izrade kao što su posmična brzina rezanja, tlak plina pri rezanju i snaga laserske zrake. Prikazana je analiza troškova izrezivanja koja uključuje trošak materijala kao i trošak obrade na stroju. Prikazana su mehanička svojstva korištenog čelika, te je prikazan primjer radnog komada s dimenzijama. Također, prikazana je laserska rezačica TruLaser 5040 na kojoj je izvršeno rezanje komada, te su dane karakteristike samog stroja. Nakon izrezivanja mjerena je hrapavost pojedinog reza ispitnih uzoraka, te se preko hrapavosti dolazi do optimalnih vrijednosti variranih parametara izrade.In this graduate thesis laser cutting process of the material is shown, in this case material is steel S235. Eighteen pieces have been made, with varying parameters such as cutting speed, gas pressure, and laser beam strength. An analysis of cutting costs is included, which includes the cost of materials as well as the cost of machining on the machine. The mechanical properties of used steel are shown and example piece with dimensions is also shown. Machine TruLaser 5040 used for laser cutting is also shown with his technical properties. After cutting, the roughness of the individual test sample, roughness of their cut edge, was measured and over the values of roughness, optimum values of the variables of the parameters used for cutting were obtained