CNC Machined 6061 Aluminum Alloy Precision Heat Dissipation End Cover for Industrial Servo Motor

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Description

This Precision Heat Dissipation End Cap Assembly is a high-performance accessory tailored for 150-frame industrial servo motors, engineered to address thermal management and structural reliability challenges in heavy-duty operating conditions.

Crafted from high-strength aluminum alloy 6061-T6 (thermal conductivity ≥180W/(m·K)) and finished with hard anodizing, it balances excellent heat transfer, corrosion resistance (salt spray ≥96h), and electrical insulation. Its precision-machined structure (coaxiality ≤0.015mm, flatness ≤0.02mm) ensures seamless compatibility with servo motor components, while the dual-end-cap heat dissipation design optimizes airflow: the front cap features 24 radial fins with curved guide grooves (for rapid radial heat exhaust), and the rear cap integrates 16 extended fins + 6 waist-shaped vents (to enhance air circulation while reducing weight).

Rated IP65 (with seals) and operable from -40℃ to 125℃, this assembly delivers a thermal resistance of ≤0.7℃/W (when paired with a Φ150mm axial fan), effectively controlling end cap temperature rise (≤25K at rated motor power). It is ideal for automated production lines, CNC machines, and other high-load industrial equipment, helping to extend servo motor lifespan and maintain stable operation.

Category Item Specification
Basic Information Product Name Precision Heat Dissipation End Cap Assembly for Industrial Servo Motors
Applicable Motor 150 Frame Size Servo Motors
Material & Surface Treatment Material Aluminum Alloy 6061-T6
Surface Treatment Hard Anodizing (Film thickness: 12~15μm; Salt spray resistance: ≥96h; Insulation resistance: ≥100MΩ)
Thermal Conductivity ≥180W/(m·K)
Dimension Specifications Front End Cap – Outer Diameter Φ150mm
Front End Cap – Inner Shaft Hole Diameter Φ30mm (h6 precision tolerance)
Front End Cap – Mounting Flange Φ130mm pitch circle, 4-M8 deep holes (Depth: 12mm; Thread precision: 6H)
Front End Cap – Overall Thickness 20mm
Rear End Cap – Outer Diameter Φ150mm
Rear End Cap – Central Shaft Hole Diameter Φ30mm (coaxial with front end cap)
Rear End Cap – Central Mounting Holes 6-M5 countersunk threaded holes (For bearing seat fixation; Depth: 8mm)
Rear End Cap – Overall Thickness 32mm (including extended fins)
Heat Dissipation Structure Parameters Front End Cap – Fin Quantity 24 pieces (15° between adjacent fins)
Front End Cap – Fin Dimensions Thickness: 2mm; Height: 15mm; Spacing: 4mm
Front End Cap – Flow Guide Structure Curved guide grooves (Curvature radius: R50mm) on fin inner side
Rear End Cap – Fin Quantity 16 pieces (evenly distributed)
Rear End Cap – Fin Dimensions Thickness: 3mm; Height: 22mm; Spacing: 6mm
Rear End Cap – Lightening/Vent Holes 6 Φ20mm waist-shaped holes (Balances lightweight & air flow)
Precision & Tolerance Flatness ≤0.02mm (for front/rear end caps)
Coaxiality (Assembly) ≤0.015mm
Key Fit Dimension Tolerance ±0.01mm
Environmental & Performance Parameters Operating Temperature Range -40℃~125℃
Protection Class IP65 (with skeleton oil seal + sealing ring)
Thermal Resistance ≤0.7℃/W (With Φ150mm axial fan; End cap temperature rise ≤25K at rated power)

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