Izdelava pločevine

Izdelava pločevine je proces pretvarjanja pločevine v kovinske konstrukcije z oblikovanjem, rezanjem, prebijanjem in montažo pločevine, in služi širokim industrijskim sektorjem, kot so vesoljska industrija, avtomobilska industrija, potrošniško blago, elektronika, stroji, gradbeništvo in infrastruktura. Gre za zelo prilagodljiv proces, zato se lahko uporablja v večini industrij za ustvarjanje vsega od komponent do avtomobilskih karoserij.

Glavni del izdelave pločevine je oblikovanje pločevine, ki je sestavljeno iz štancanja, upogibanja, striženja, globokega vlečenja, izbočenja, predenja in žigosanja, ta proizvodna rešitev pa je posebej zasnovana za jeklo, aluminij, nerjaveče jeklo. Med vsemi rešitvami za oblikovanje kovin sta najpogosteje uporabljena stiskalnica za žigosanje in CNC stroj.

Orodja za izdelavo pločevine

√  CNC stroj

√  Press bend

√  Mechanical stamping

√  Hydraulic stamping

√  Laser cutting machine

√  Plasma cutting

√  Laser punching machine

√  TIG, MIG Welding Robots

Sheet metal fabrication process consists of a set of manufacturing activities for turning sheet metal into functional parts or product. Normally, the fabrication process has four main production solutions: metal cutting, forming, finish and joining. Metal cutting has two types: cutting with shear force and cutting without shear force. In sheet metal manufacturing business, cutting without shear force is extremely important, and it includes laser cutting, plasma cutting and water jet cutting. 

Prednosti in slabosti rezanja brez strižne sile.

Rezalne rešitve s strižno silo

1. Rezanje, primerno za velike operacije, ravni rezi za mehkejše materiale, ki ne zahtevajo čistega zaključka.

2. Luknjanje in izrezovanje, primerno za operacije srednjega do velikega obsega za ustvarjanje lukenj enake oblike, in je treba odstraniti neravnine.

Sheet metal forming is to make a nearly finished product, and it also adds strength and stiffness to an assembly.  Forming fabrication mainly consists of bending, stamping, rolling, roll forming, metal spinning, hemming, curling and drawing. The finishing of sheet metal is one of the most crucial steps in ensuring that the product does not only work, but works for as long as possible. Joining is almost the last step of sheet metal fabrication, and it covers welding, fastening and soldering.

√  Wall thickness, sheet metal products are fabricated from one sheet of metal, the part must maintain uniform wall 

     thickness throughout.

√  Tolerance, sheet metal parts normally have bigger tolerances are compared with CNC machining parts because 

     stress in the material can cause the material to stretch. The more processes a part undergoes, the more difficult it 

     becomes to achieve tight tolerances.

√  Material yield strength and tensile strength, it is often associated with springback effect.

√  Hole diameter, hole diameter less than the thickness can lead to deformation due to the kerf or distortion caused 

     by the laser beam. It is possible to laser cut holes with a diameter smaller than the material thickness, but to stay 

     on the safe side, it's better to have a diameter which is same size or greater than the sheet thickness.

√  Hole space should be at least 2 times the sheet thickness, and if holes are too close to each other, it can lead to 

     deformation or split during forming.

√  Holes shall be at least 2 times the sheet thickness from the start of the bend radius

√  Consider K-factor to avoid deformation and tearing

√  Keep the interior bend radii at least same as the material thickness

√  Use the same radii with consistent bend orientations to reduce costs

√  Add bend reliefs to prevent tearing and reduce the risk of springback

√  Ensure the bend height at least double the material thickness plus the bend radius

√  Mechanical character, ductility (elongation at break, machinability, weldability and tensile strength)

√  Corrosion Resistance

√  Weight

√  Cost

Zaradi dejstva, da je večina vseh pločevinastih delov (razen delov iz nerjavnega jekla) potrebna površinska obdelava, mora naš oddelek za kakovost opraviti pilotski pregled in pregled množične proizvodnje, preden se izdelani deli odpošljejo v površinsko obdelavo. Posebej za vse varilne dele, ki zahtevajo prašno lakiranje, morajo naši operaterji brusiti varilne brizgalne in žlindre, naši inšpektorji pa morajo razvrstitikovinski deli z napakami pri varjenju during the welding fabrication process.

Fabmann v glavnem uporablja stroj za upogibanje s stiskalnimi zavorami in hidravlični stroj za žigosanje z avtomatskim podajalnikom, ker sta stroškovno{0}}zelo učinkovit način za proizvodnjo oblikovanih pločevinastih komponent s skupnim orodjem za veliko različnih kotov upogibanja, konfiguracij oblik in vrst materiala . Fabmann je vsestranska rešitev za izdelavo različnih sestavnih delov pločevine in vedno lahko izberemo najprimernejše proizvodne rešitve za optimizacijo produktivnosti in minimiziranje proizvodnih stroškov za naše stranke. Če želite kar najbolje izkoristiti izdelavo pločevine, morate poznati mehanske lastnosti pločevine.

Mehanski značaj pločevinastega materiala

With Fabmann's extensive metal surface treatment covering powder coating, hot dip galvanization, sherardizing and zinc plating, we are able to serve wide industry sectors:

√  Stroji

√  Energetski sektor

√  Infrastruktura

√  Prehranski proces

√  Čiščenje vode

√  Gradnja

1. Udarni preskus jeklenega materiala

2. Preverjanje ravnosti profila

3. Pritisnite Preverjanje upogibanja

4. Vizualni pregled

5. Varilni pregled

6. Preverjanje debeline prašnega premaza

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