Moment of Inertia (Ix / Iy)
Varies with shape; typically ranges from (1.0 cm⁴ to 150 cm⁴ / 0.5 cm⁴ to 120 cm⁴) for different designs.
Section Modulus (Zx / Zy)
Range from 0.2 cm³ to 10 cm³; measures the profile’s strength under bending stress.
Radius of Gyration (ix / iy)
Typically between 1.0 cm to 20 cm, representing the profile’s resistance to buckling.
Max. Axial Load (Euler Buckling)
Varies by profile; typically between 10 N to 1000 N for standard and custom designs.
Max. Load at Slot (Shear Test)
Load capacity at slot varies, typically between 100 N to 1500 N depending on design.
Torsional Constant (J)
Typically ranges from 0.5 cm⁴ to 50 cm⁴, indicating resistance to twisting or torsion.
Max Torque (Torsional Load Limit)
Maximum torque varies by profile, usually between 5 N·m and 200 N·m for standard designs.
Elastic Deflection (100 N Load)
Deflection varies depending on design; usually between 0.01 mm to 5 mm under load.
Dynamic Load Rating
Dynamic load rating ranges from 50 N to 5000 N, depending on extrusion profile and application.
Compatibility Tolerance
Tolerance typically ±0.05 mm, crucial for ensuring precise fitting and optimal performance.
Machining Precision Grade
Standard precision grade is ±0.1 mm; high-precision profiles may be manufactured to ±0.05 mm.
Fatigue Life (Slot Edge)
Fatigue life ranges from 10⁶ to 10⁷ cycles, depending on loading conditions and application.
Thermal Expansion (ΔL @ ΔT=50°C)
Aluminum typically expands by 0.0000225 per °C, ensuring predictable dimensional changes.
Slot Pull-Out Resistance
Pull-out resistance varies by profile; typical range is 100 N to 5000 N, based on design.
Max Load Bearing at Corner Joint
Varies by design; load-bearing typically ranges from 50 N to 5000 N depending on profile.
Extrusion allows for precise control over dimensions and tolerances, which is crucial for ensuring a perfect fit and maximizing thermal contact. Tight tolerances minimize air gaps and reduce the need for post-processing, ensuring that the heat sink performs optimally in its application.
Aluminum’s strength-to-weight ratio makes it ideal for heat sinks exposed to physical stress or vibration. Its lightweight nature, combined with excellent mechanical strength and resistance to fatigue, ensures that the heat sink maintains performance and durability in demanding environments.
