Aluminum Helical Gears
Brand: Hansheng
Accuracy grade: ISO/DIN/GB level 5-9
Gear module: 0.1–5.0
Tip diameter: 3 mm–300 mm
Introduction
Product Overview
The aluminum helical gear is a cylindrical gear with its tooth surface inclined at a helical angle to the rotating axis. It is precisely manufactured from high-grade aluminum alloy, typically 6061.
Like all helical gears, its inclined tooth shape ensures progressive contact of the tooth surface. This results in smoother torque transmission, lower noise, and higher load-bearing capacity compared to spur gears of the same size. The aluminum structure also brings key advantages in terms of weight and machinability, making it the preferred gear for weight-sensitive and high-speed transmission applications.
Product Specifications
| Parameter | Specification |
|---|---|
| Materials Options | 6061-T6, 7075-T6, 2024 Aluminum Alloy (Custom alloys on request) |
| Module / Pitch Range | Metric: M0.3 – M8.0 | Imperial: 64 DP – 4 DP |
| Precision Grade | ISO 1328 / DIN 3962 Grade 5 to Grade 9 (AGMA Class 10-12 available) |
| Helix Angle & Direction | Angle: 5° – 45° | Hand: Left-Hand, Right-Hand, Double Helical |
| Pressure Angle | 20° standard (14.5°, 25°, or custom options available) |
| Features & Customization | Custom Bore (Spline, Keyway, D-Bore), Integrated Shaft, Lightening Holes |
| Surface Treatment | Clear / Black / Color Anodizing, Hard Coat Anodizing (Type III), Electroless Nickel, PTFE Coating, Chromate Conversion (Alodine) |
| Processing Technology | CNC Gear Hobbing, Gear Shaping, Gear Grinding, Wire EDM, CNC Milling |
How to Choose the Right Gear Accuracy
We offer a flexible accuracy range from DIN 5 to DIN 9 to perfectly balance performance and cost-effectiveness:
ISO/DIN 5 to 6
Best for robotics, aerospace, and high-speed medical devices where minimal backlash, smooth operation, and low noise are critical. (Usually involves precision CNC hobbing and grinding).
ISO/DIN 7 to 8
The most popular choice for general industrial automation, packaging machinery, and standard power transmission. Offers excellent performance at a highly competitive price.
ISO/DIN 9
Suitable for low-speed, manual-drive, or less demanding applications where cost-reduction is the primary goal.
Aluminum vs. Steel vs. Stainless Steel Helical Gears
Choosing the right gear material requires understanding the trade-offs. Here’s how aluminum helical gears compare against the two most common alternatives.
| Factor | Aluminum Helical Gear | Steel Helical Gear | Stainless Steel Helical Gear |
|---|---|---|---|
| Weight | Lightest | Heavy | Heavy |
| Load Capacity | Moderate | Highest | High |
| Corrosion Resistance | Good | Requires coating | Excellent |
| Machinability | Excellent | Moderate | Moderate |
| Operating Temperature | Moderate | High | High |
| Cost | Lower | Moderate | Higher |
| Best Application Fit | Robotics, automation, aerospace | Heavy industrial drives | Food, chemical, marine |
Key Advantages of Aluminum Helical Gears
Exceptional strength-to-weight ratio
Aluminum alloy delivers meaningful structural strength at roughly one-third the weight of steel, enabling lighter, more compact drivetrain designs without sacrificing performance.
Natural corrosion resistance
Aluminum’s passive oxide layer provides inherent protection against rust and oxidation in humid or mildly corrosive environments, without requiring additional surface treatment.
Superior processability
Aluminum machines faster and more precisely than steel or stainless steel, allowing tighter tolerances and shorter lead times for both standard and custom aluminum helical gears.
Excellent thermal conductivity
Aluminum dissipates heat effectively during high-speed operation, reducing the risk of thermal buildup at the mesh point and contributing to longer gear life.
Non-magnetic properties
Critical for applications in medical imaging equipment, electronic instrumentation, and sensitive measurement systems where magnetic interference must be avoided.
Typical Applications
Hansheng Automation’s aluminum helical gears are specified across industries where lightweight, precision, and speed are the primary design drivers.
Robotics & automation
joint drives, actuator gearboxes, and pick-and-place systems requiring minimal inertia and high positional accuracy
Aerospace & defense
auxiliary drives and actuation systems where weight reduction directly impacts performance
Medical equipment
imaging systems and diagnostic instruments requiring non-magnetic, lightweight precision components
High-speed instrumentation
test equipment and measurement systems demanding low inertia and smooth motion at elevated speeds
Custom Aluminum Helical Gears
Hansheng manufactures fully custom aluminum helical gears to your exact specifications. Whether you need a single prototype or a production volume supply, our engineering team works directly with you from design review through to delivery.
Send Inquiry NowFAQ
What are aluminum helical gears best used for?
Aluminum helical gears excel in weight-sensitive, high-speed applications such as robotics, automation systems, aerospace auxiliaries, and medical equipment. Their high strength-to-weight ratio and excellent processability make them the preferred choice where minimizing drivetrain inertia and achieving precise, smooth motion are the primary engineering priorities.
What is the difference between 6061 and 7075 aluminum helical gears?
6061 aluminum offers a strong balance of machinability, corrosion resistance, and cost — suitable for most industrial and automation applications. 7075 provides significantly higher tensile strength and fatigue resistance, making it the preferred grade for high-stress, high-cycle applications in aerospace and defense where maximum strength-to-weight performance is required.
Can aluminum helical gears handle heavy industrial loads?
Aluminum helical gears perform well under moderate loads at high speeds but are not recommended for heavy-duty, high-torque industrial drives. For high-load applications such as large gearboxes or conveyor drives, [steel or stainless steel helical gears][product-page-link] offer superior load capacity and are the more appropriate material choice.
Can Hansheng manufacture custom aluminum helical gears to my specifications?
Yes. Hansheng produces fully custom gears tailored to your exact requirements — including alloy grade, helix angle, module, bore, keyway, and surface finish such as anodizing. Share your application details and our engineering team will provide a design recommendation and competitive quote within 24 hours.
