Integrated Duplex Spur Gear | m0.5 Module, High Torque Zero-Backlash Transmission | Industrial & Aerospace Grade
MH integrated duplex spur gear is a monolithic high-stiffness precision drive component tailored for high-torque and high-stability motion control systems. It is integrally machined from solid steel stock with two integrated spur gear sections formed in one body.
This seamless one-piece structure effectively eliminates assembly clearance and backlash, maintains excellent concentricity, and delivers steady and reliable operation even under harsh working conditions across industrial and aerospace fields.
With 70 years of professional experience in aerospace precision manufacturing, our factory holds full AS9100 quality certification and owns independent CNAS qualified testing laboratories. All our duplex gears are manufactured strictly in accordance with ISO 6 to ISO 7 precision grades.
Ideal for applications demanding zero clearance transmission, stable high torque output and extended service lifespan. We have long served as reliable OEM partners for numerous worldwide well-known enterprises, ensuring all finished goods comply with stringent international quality standards in precision performance and structural durability.
Key Features & Advantages
✅ Solid One-Body Duplex StructureFabricated from whole solid steel raw material, dual gear sections are integrally formed with excellent concentricity. It removes assembled gaps and transmission backlash completely, enabling steady torque output and stable running performance even under heavy working loads.
✅ Excellent Structural Stiffness & Load Bearing CapacityIntegral forming structure owns far better torsion resistance than combined assembled gears. Optimized tooth profile design realizes even force distribution, effectively lowering abrasion loss and greatly prolonging overall service cycle.
✅ Reliable Standard Precision LevelProcessed by professional high-precision gear manufacturing facilities, finished products reach ISO 6 to ISO 7 industrial precision standard. Strictly controlled tooth profile deviation, circular runout and concentricity fully satisfy rigorous usage demands of industrial equipment and aerospace precision mechanisms.
✅ Outstanding Wear Resistance & DurabilityAdopts premium alloy steel raw material, equipped with standardized thermal reinforcement treatment. It gains stable surface hardness and strong anti-wear property, adapting to long-time continuous operation in various tough working scenes.
✅ Complete Quality Assurance SystemFull-range finished product inspection is carried out with professional precision testing instruments. Combined with standardized production process management, we keep stable uniform precision whether for sample trial production or large-volume batch orders.
✅ Flexible Customization ServiceWe support personalized OEM customization services including gear size parameters, inner hole styles, different raw material options and diversified surface treatments, perfectly fitting your actual installation and operating demands.
Technical Specifications
| Parameter | Standard Value | Custom Options |
|---|---|---|
| Module (m) | 0.5 | m0.4 ~ m0.8 available |
| Gear Type | Integrated Duplex Spur Gear | Helical duplex gear available |
| Precision Grade | ISO 6 ~ ISO 7 (DIN 6 ~ DIN 7) | ISO 5 for high-precision requirements |
| Material | 40Cr Alloy Steel | 20CrMnTi, 304/316 Stainless Steel, Custom Aerospace Alloys |
| Hardness | HRC 28-32 | HRC 55-62 (Case Hardened) available |
| Bore Type | Standard Pilot Bore | Keyway bore, spline bore, custom bore specifications |
| Surface Treatment | Black Oxide | Nitriding, Hard Chrome Plating, Zinc Plating, Custom Coatings |
Core Application Fields
Our integral duplex spur gears are engineered for high-stability and heavy-load working scenarios, widely applicable to the below industries:
1. Industrial automation fields
such as packaging facilities, conveying equipment and automatic production lines
2. Aerospace and defense sectors
including executive mechanisms, aviation electronic transmission parts and aerospace ground support devices
3. Power transmission systems like industrial gear boxes, speed reduction units and motor transmission assemblies
4. Engineering and heavy-duty machinery covering oilfield downhole tools, construction machinery and cargo handling devices
Manufacturing Difficulty & Process Management
This integral duplex spur gear belongs to high-precision industrial transmission parts, which involves multiple production difficulties and demands rigorous standardized process management.
Integrated Machining Technical Challenges
It is processed integrally from one solid steel piece. The dual-gear structure calls for highly accurate clamping positioning and reasonable machining sequence arrangement to guarantee superb concentricity. Tiny position deviation in production will directly lead to transmission backlash and affect overall operating performance.
Strict Precision Tolerance Management
In line with ISO 6-ISO 7 high precision standards, we carry out stringent control over tooth profile accuracy, tooth pitch consistency and circular runout. All machining procedures are finished in constant-temperature production workshops to effectively avoid dimensional deviation caused by temperature change.
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