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CNC Milling Aluminum Types

CNC Milling Aluminum Types

Each aluminum type has specific characteristics that make it suitable for different CNC milling applications. The choice depends on factors like material properties, project requirements, and intended use.

  • 5052

  • 6061

  • 6063

  • 7075

Aluminum CNC Machining Design Guidelines

Wall ThicknessMaintain uniform wall thickness to prevent distortion and ensure even machining.
Fillets and RadiiAdd fillets and radii to sharp corners for stress reduction and improved aesthetics.
TolerancesSpecify appropriate tolerances based on part function and machining capabilities.
Material SelectionChoose suitable aluminum grade considering strength, corrosion resistance, and machinability.
UndercutsMinimize undercuts to simplify machining and prevent complex tooling requirements.
Tool AccessEnsure proper tool access for efficient machining, accounting for tool lengths and angles.
Avoid Sharp TransitionsSmoothly transition between different features to avoid stress concentration and improve aesthetics.
Surface FinishesIndicate desired surface finish (e.g., smooth, matte) for both functional and aesthetic purposes.
Internal CavitiesIncorporate proper draft angles and radii for easy removal of machined parts from molds.
Threads and HolesFollow thread and hole guidelines for optimal thread engagement and accurate hole dimensions.
PrototypingCreate prototypes to test design before full-scale production, allowing adjustments if needed.
Design for ManufacturabilityConsider manufacturability to avoid complex geometries, reducing production challenges.

Compare Material Properties of CNC Milling Aluminum

Property5052 Aluminum6061 Aluminum6063 Aluminum7075 Aluminum
Tensile Strength (MPa)215 - 275240 - 290130 - 180570 - 640
Yield Strength (MPa)160 - 215200 - 24065 - 145500 - 550
Elongation (%)10 ~258 ~ 1215 - 2511 ~ 13
Hardness (Brinell)47 - 689568150 - 160
Density (g/cm³)2.682.72.692.81
Thermal Conductivity (W/m·K)138167201130
MachinabilityGoodExcellentGoodFair to Poor
Corrosion ResistanceGoodGoodGoodModerate to Good

Aluminum CNC Milling Service Applications

Aluminum CNC Milling Service Applications

Aerospace and automotive sectors utilize lightweight aluminum structural components and enclosures from CNC milling. Precision aluminum heat sinks and housings maximize thermal performance in electronics. Medical leverages aluminum's sterilizable properties for instruments and implants. CNC machined aluminum parts enable consumer product durability.

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