
Finitura superficiale dei pezzi lavorati con macchine CNC
Weldo provides one-stop finitura superficiale services for CNC-machined metal and plastic parts, including process selection, masking, treatment, inspection, and delivery coordination.
Carica i file per la revisione finaleScegliere la finitura in base ai requisiti del pezzo
Start with the base material, service environment, critical dimensions, and required performance.
Protezione dalla corrosione
Select protection according to moisture, chemicals, salt exposure, and outdoor service.
Wear & Hardness
Specify contact pressure, sliding motion, target hardness, and expected service life.
Appearance & Texture
Define color, gloss, texture, grain direction, and approved visual standards.
Fits & Critical Surfaces
Control coating allowance, masking, threads, sealing faces, and final dimensions.
Chemical & Electrochemical Finishes
These processes add corrosion protection, controlled color, conductivity, hardness, or a functional metallic layer.
Galvanotecnica
Metal coatings for corrosion resistance, conductivity, wear control, or appearance.

Anodizzazione
Protective and decorative oxide finishes for aluminum, including hard anodizing.
Alodine Finish
Thin conversion coating for aluminum requiring corrosion protection and conductivity.
Nichelatura
Metallic nickel coating for corrosion, wear, dimensional restoration, or conductivity.

Passivazione
Removes free iron and supports the corrosion resistance of stainless steel parts.
Verniciatura elettroforetica
Uniform protective coating for conductive metal parts and complex geometries.
Finiture meccaniche
Mechanical processes control texture, reflectivity, edge condition, and tactile appearance.
Lucidatura
Reduces surface roughness and produces a smooth or reflective finish.
Spazzolatura
Creates a controlled directional grain on visible metal surfaces.

Sabbiatura
Cleans, profiles, and creates uniform matte textures with controlled abrasive media.
Zigrinatura
Adds a patterned gripping surface to knobs, shafts, handles, and fasteners.
Protective & Specialty Processes
These treatments protect the substrate, prepare it for coating, or modify material performance.

Ossido nero
Low-build black conversion finish for ferrous components and precision dimensions.
Fosfatazione
Steel pretreatment for corrosion protection, lubrication, or coating adhesion.
Painting & Powder Coating
Colored barrier coatings for appearance and environmental protection.
Trattamento termico
Controls hardness, strength, toughness, wear performance, and dimensional stability.
Altre finiture superficiali comuni
Additional processes are selected according to material, function, production quantity, and acceptance requirements.
| Finitura superficiale | Scopo tipico |
|---|---|
| Granigliatura | Creates a fine matte texture and reduces light machining marks. |
| Vibratory Finishing | Deburrs and smooths small metal or plastic parts in production batches. |
| Pallinatura | Introduces compressive residual stress to improve fatigue performance. |
| PVD or DLC Coating | Adds a thin hard layer for wear resistance, low friction, or color. |
| Rivestimento in PTFE | Provides low friction, release properties, and chemical resistance. |
| Rivestimento in scaglie di zinco | Protects steel fasteners and components in corrosive service. |
| Marcatura laser | Adds permanent part numbers, logos, and traceability codes. |
Adattare il processo al materiale di base
Confirm the exact material grade, heat-treatment state, and required performance before selecting a finish.
| Materiale | Finiture comuni | Punti chiave della recensione |
|---|---|---|
| Alluminio | Anodizing, Alodine, plating, painting | Alloy, temper, thickness, color, and electrical contact areas |
| Acciaio inox | Passivation, polishing, brushing, blasting | Grade, surface roughness, grain direction, and contamination control |
| Carbon & Alloy Steel | Plating, black oxide, phosphating, painting | Corrosion system, hardness, hydrogen relief, and final dimensions |
| Rame e ottone | Plating, polishing, brushing, protective coating | Conductivity, soldering, visible surfaces, and exposed contacts |
| Titanio | Anodizing, blasting, polishing, PVD | Grade, color target, surface cleanliness, and fatigue-critical areas |
| Ingegneria delle materie plastiche | Polishing, painting, texturing, compatible plating | Adhesion, heat resistance, solvent sensitivity, and appearance |
Specificare la finitura prima della produzione
Clear requirements protect critical features and establish consistent acceptance standards.
Spessore del rivestimento
Define allowable buildup on diameters, holes, threads, and mating surfaces.
Mascheratura
Mark bearing seats, sealing faces, electrical contacts, and untreated areas.
Standard cosmetico
Specify color, gloss, texture, grain direction, or an approved limit sample.
Ispezione
Define checks for thickness, adhesion, roughness, color, corrosion, and dimensions.