Comprehensive Surface Finishing
Perfect Finishes for Precision Parts
- From mechanical polishing to advanced coatings, we provide complete surface finishing solutions that enhance the performance, appearance, and durability of your CNC machined components.
Mechanical Finishing
Precision Surface Enhancement
Mechanical finishing processes improve surface smoothness and dimensional accuracy through physical methods.
Polishing
Mechanical Polishing
Creates ultra-smooth surfaces using abrasive compounds and buffing wheels. Ideal for aesthetic finishes and reducing friction.
Key Properties
- Ra: 0.1-0.4 μm
- Shiny, reflective surface
- Improves corrosion resistance
- Reduces friction
Common Uses: Medical instruments, consumer products, optical components
Grinding
Surface Grinding
Precision grinding using abrasive wheels for flat surfaces. Achieves tight tolerances and excellent surface quality.
Key Properties
- Ra: 0.05-0.2 μm
- Extremely flat surface
- Tight dimensional control
- High precision
Common Uses: Bearing seats, mold components, precision fixtures
Honing
Precision Honing
Improves the surface finish and geometry of bores and holes. Creates cross-hatch patterns for oil retention.
Key Properties
- Ra: 0.02-0.1 μm
- Excellent bore roundness
- Cross-hatch pattern
- Improved lubrication
Common Uses: Hydraulic cylinders, engine cylinders, bearing bores
Chemical Finishing
Corrosion Protection & Enhancement
Chemical processes enhance corrosion resistance, improve surface properties, and prepare surfaces for subsequent coatings.
Passivation
Stainless Steel Passivation
Stainless Steel Passivation can remove free iron from stainless steel surfaces and forms a protective oxide layer for enhanced corrosion resistance.
Key Properties
- ASTM A967 compliant
- Removes surface contamination
- Enhances chromium oxide layer
- Improves corrosion resistance
Common Uses: Medical devices, food equipment, marine components
Electropolishing
Electropolishing
An electrochemical process that removes surface material to create an ultra-smooth, clean surface. Ideal for medical and high-purity applications.
Key Properties
- Ra: 0.02-0.1 μm
- Mirror-like finish
- Removes surface defects
- Biocompatible surface
Common Uses: Medical implants, surgical instruments, semiconductor equipment
Anodizing
Hard Anodizing
Creates a thick, hard oxide layer on aluminum surfaces. Provides excellent wear resistance, corrosion protection, and electrical insulation.
Key Properties
- Layer thickness: 25-150 μm
- Hardness: 400-600 HV
- Excellent wear resistance
- Electrical insulation
Common Uses:Aerospace components, automotive parts, heat sinks
Coating & Plating
Protective & Decorative Coatings
Coatings and platings provide additional protection, improve appearance, and enhance functional properties of machined parts.
Powder Coating
Powder Coating
A durable, environmentally friendly coating applied electrostatically and cured under heat. Available in a wide range of colors and finishes.
Key Properties
- Thickness: 60-120 μm
- Excellent durability
- UV resistant
- Wide color range
Common Uses: Automotive parts, consumer electronics, architectural components
Plating
Nickel Plating
Nickel Plating provides excellent corrosion resistance, wear resistance, and a decorative finish. Can be applied as bright or satin nickel.
Key Properties
- Thickness: 5-50 μm
- Hardness: 150-500 HV
- Good corrosion resistance
- Decorative finish
Common Uses: Automotive trim, electronics, furniture hardware
Plating
Chrome Plating
Provides exceptional hardness, wear resistance, and a mirror-like finish. Ideal for high-wear applications requiring a decorative appearance.
Key Properties
- Thickness: 0.5-50 μm
- Hardness: 800-1000 HV
- Excellent wear resistance
- Mirror-like finish
Common Uses: Automotive parts, bathroom fixtures, industrial tools
Specialty Finishes
Advanced Surface Treatments
Specialized finishes for demanding applications requiring unique properties and performance characteristics.
Thermal Spray
Ceramic Coating
Applied via thermal spray processes, ceramic coatings provide excellent thermal insulation, wear resistance, and chemical resistance.
Key Properties
- High temperature resistance
- Excellent thermal insulation
- Superior wear resistance
- Chemical inertness
Common Uses: Engine components, turbine parts, furnace linings
PVD Coating
TiN Coating
Titanium Nitride physical vapor deposition coating. Provides excellent hardness, wear resistance, and a distinctive gold appearance.
Key Properties
- Hardness: 2000-3000 HV
- Low friction coefficient
- Excellent wear resistance
- Gold color finish
Common Uses: Cutting tools, molds, medical instruments
Optical
Black Oxide
A conversion coating that produces a black surface on steel and iron. Provides moderate corrosion protection with a sleek appearance.
Key Properties
- Thin, non-reflective finish
- Moderate corrosion protection
- Black color
- Minimal dimensional change
Common Uses: Firearms, tools, decorative hardware
Our Surface Finishing Gallery
Our surface finishing services offer comprehensive solutions for better products’ performance, and appearance.
