Acabado superficial de piezas mecanizadas con CNC
Weldo provides one-stop acabado superficial services for CNC-machined metal and plastic parts, including process selection, masking, treatment, inspection, and delivery coordination.
Subir archivos para la revisión finalElige el acabado según los requisitos de la pieza
Start with the base material, service environment, critical dimensions, and required performance.
Protección contra la corrosión
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.
Galvanoplastia
Metal coatings for corrosion resistance, conductivity, wear control, or appearance.
Anodizado
Protective and decorative oxide finishes for aluminum, including hard anodizing.
Alodine Finish
Thin conversion coating for aluminum requiring corrosion protection and conductivity.
Niquelado
Metallic nickel coating for corrosion, wear, dimensional restoration, or conductivity.
Pasivación
Removes free iron and supports the corrosion resistance of stainless steel parts.
Recubrimiento electrolítico
Uniform protective coating for conductive metal parts and complex geometries.
Acabados mecánicos
Mechanical processes control texture, reflectivity, edge condition, and tactile appearance.
Pulido
Reduces surface roughness and produces a smooth or reflective finish.
Cepillado
Creates a controlled directional grain on visible metal surfaces.
Chorro de arena
Cleans, profiles, and creates uniform matte textures with controlled abrasive media.
Moleteado
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.
Óxido negro
Low-build black conversion finish for ferrous components and precision dimensions.
Fosfatado
Steel pretreatment for corrosion protection, lubrication, or coating adhesion.
Painting & Powder Coating
Colored barrier coatings for appearance and environmental protection.
Tratamiento térmico
Controls hardness, strength, toughness, wear performance, and dimensional stability.
Otros acabados superficiales habituales
Additional processes are selected according to material, function, production quantity, and acceptance requirements.
| Acabado superficial | Finalidad habitual |
|---|---|
| Granallado | Creates a fine matte texture and reduces light machining marks. |
| Vibratory Finishing | Deburrs and smooths small metal or plastic parts in production batches. |
| Granallado | Introduces compressive residual stress to improve fatigue performance. |
| PVD or DLC Coating | Adds a thin hard layer for wear resistance, low friction, or color. |
| Recubrimiento de PTFE | Provides low friction, release properties, and chemical resistance. |
| Recubrimiento de escamas de zinc | Protects steel fasteners and components in corrosive service. |
| Marcado láser | Adds permanent part numbers, logos, and traceability codes. |
Adaptar el proceso al material de base
Confirm the exact material grade, heat-treatment state, and required performance before selecting a finish.
| Material | Acabados comunes | Enfoque de la reseña |
|---|---|---|
| Aluminio | Anodizing, Alodine, plating, painting | Alloy, temper, thickness, color, and electrical contact areas |
| Acero inoxidable | 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 |
| Cobre y latón | 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 |
| Plásticos técnicos | Polishing, painting, texturing, compatible plating | Adhesion, heat resistance, solvent sensitivity, and appearance |
Especificar el acabado antes de la producción
Clear requirements protect critical features and establish consistent acceptance standards.
Espesor del recubrimiento
Define allowable buildup on diameters, holes, threads, and mating surfaces.
Enmascaramiento
Mark bearing seats, sealing faces, electrical contacts, and untreated areas.
Norma cosmética
Specify color, gloss, texture, grain direction, or an approved limit sample.
Inspección
Define checks for thickness, adhesion, roughness, color, corrosion, and dimensions.