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DAWANG GEARBOX
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Premium Double Enveloping Worm Gear & Shaft for High-Load Industrial Transmission
Engineered for superior torque delivery and durability, our double enveloping worm gearset features precision-ground alloy steel and wear-resistant bronze construction. Ideal for heavy-duty applications, it delivers high load capacity, minimal backlash, and quiet operation with ISO-certified quality.
Worm gear
Dawang
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Sourced directly from a premier manufacturer and trusted supplier, this double-enveloping worm gear and worm shaft assembly is engineered for heavy-duty power transmission. It offers exceptional torque capacity and precise motion control for demanding industrial applications.
Manufactured for continuous, high-load industrial operations
Supplied with rigorous ISO-certified quality control
Engineered for seamless integration into complex machinery
The premium double-enveloping worm gear and worm shaft represent the pinnacle of mechanical power transmission, meticulously crafted to transform raw rotational force into smooth, controlled, and immense torque. When handling these components, the sheer weight and flawless, cool-to-the-touch metallic finish speak volumes about the dense, high-grade alloy steel and premium bronze utilized in their construction. Unlike standard cylindrical gears, the unique hourglass-shaped geometry wraps intimately around the gear wheel, creating a visually striking interlocking mechanism that maximizes tooth contact. As the machinery powers up, the typical harsh grinding noises of conventional gearboxes are replaced by a deeply satisfying, quiet hum, a direct result of the ultra-fine Ra 0.4 surface roughness and precision CNC grinding. The subtle sheen of the nickel-plated or phosphated gear surfaces not only adds a professional aesthetic but serves as a robust shield against corrosive industrial environments. Designed to elevate the operational efficiency of your heavy machinery, this gearset eliminates the frustrating downtime caused by premature wear and tear, ensuring that your automated systems, conveyors, and robotic arms move with absolute fluid precision and unwavering reliability.
Our engineering team has meticulously defined every technical parameter of this double-enveloping worm gearset to guarantee optimal performance under the most strenuous industrial conditions. The following table outlines the exact specifications, dimensional tolerances, and material properties that make this component a superior choice for your power transmission requirements.
Item | Customized machining worm gear (Double-enveloping worm gear and worm shaft) |
Manufactured Method | CNC, Hobbing, Milling, Drilling, Grinding |
Quality Control | ISO9001, ISO14001, ISO45001 |
Dimension Bore Tolerances | ±0.001 mm to 0.005 mm |
Modular Range | 1.0 - 25 mm (support non-standard customization) |
Transmission Ratio | 5:1 to 100:1 (single/double stage optional) |
Accuracy Class | DIN 4-6 / AGMA 10 |
Load Torque | Up to 3000 N/m (Match according to model) |
Operating Temperature | -20ºC to +120ºC |
Worm Materials | 20CrMnTi / 40Cr / 35CrMo / 42CrMo high-strength alloy steel, etc. |
Worm Gear Materials | Aluminum bronze / Tin bronze / Zinc alloy, etc. |
Worm Surface Hardness | HRC 58-62 (Carburizing and quenching treatment) |
Gear Surface Treatment | Phosphating / Nickel plating (corrosion protection) |
Backlash Performance | Low backlash / Zero backlash optional |
Tooth Surface Roughness | Better than Ra 0.4 |
Engineered to resolve the most demanding mechanical challenges, this gearset delivers a suite of advanced features that directly translate into enhanced productivity and reduced maintenance overhead for your facility. Every aspect of its design has been optimized to ensure your machinery operates at peak efficiency.
Optimized Contact Ratio: The unique enveloping architecture allows multiple teeth to engage simultaneously, distributing stress evenly and preventing localized tooth fracture under shock loads.
Exceptional Thermal Dissipation: The combination of premium bronze alloys and specialized surface treatments facilitates rapid heat transfer, preventing thermal expansion from compromising gear accuracy during continuous duty cycles.
Compact Footprint Integration: By delivering higher torque densities, this gearset allows engineers to downsize the overall gearbox housing, freeing up valuable spatial real estate within complex automated assemblies.
Corrosion-Resistant Armor: The specialized nickel plating and phosphating processes create an impenetrable barrier against moisture, industrial chemicals, and abrasive dust, safeguarding the core metal integrity.
When dealing with heavy-duty industrial applications, maximizing power output within a confined space is critical. The double-enveloping geometry is a revolutionary design that allows multiple gear teeth to mesh simultaneously, creating a contact area that vastly outperforms standard single-enveloping cylindrical designs.
Delivers a massive load-bearing capacity increase of 1.5 to 3 times compared to conventional worm gears.
Capable of outputting an immense torque of up to 3000 N/m, effortlessly driving heavy conveyor belts and mixing equipment.
Reduces the required center distance by 20% to 40% for the same power output, enabling ultra-compact machine designs.
For automated systems and robotics, exact positioning is not a luxury; it is an absolute necessity. This gearset is manufactured to the most stringent international accuracy standards, ensuring that every rotational movement translates flawlessly to the driven load.
Achieves an elite accuracy class of DIN 4-6 / AGMA 10, guaranteeing minimal deviation during complex motion profiles.
Offers ultra-low to zero backlash options, completely eliminating the mechanical play that causes positioning errors in servo-driven applications.
Maintains strict bore tolerances of ±0.001 mm to 0.005 mm for perfectly concentric shaft mounting and vibration-free rotation.
The longevity of any power transmission component is dictated by the metallurgical quality of its raw materials and the sophistication of its thermal processing. We utilize only the highest-grade alloys to ensure unyielding durability under constant stress.
Worm shafts are forged from premium 20CrMnTi and 42CrMo alloy steels, known for their exceptional tensile strength and fatigue resistance.
Advanced carburizing and quenching elevate the surface hardness to a formidable HRC 58-62, providing immense resistance against abrasive wear.
Mating gears are cast from specialized aluminum or tin bronze, offering excellent lubricity and preventing galling under extreme pressure.
Excessive noise and vibration are signs of mechanical inefficiency and impending failure. By refining the tooth profile and surface finish, this gearset transforms kinetic energy with whisper-quiet grace, protecting both the machinery and the surrounding work environment.
The ultra-smooth tooth surface roughness, refined to better than Ra 0.4, drastically cuts down friction coefficients.
The enveloping design ensures a gradual, rolling engagement of the gear teeth, eliminating the harsh impacts that generate acoustic noise.
Perfectly suited for noise-sensitive environments such as medical automation, printing presses, and indoor packaging facilities.
In lifting and hoisting applications, safety mechanisms must be foolproof. The inherent physics of this specialized worm gear design provide a reliable, mechanical fail-safe that protects both personnel and expensive equipment from catastrophic drops.
Engineered with specific lead angles that harness high friction characteristics to create a robust static self-locking effect.
Instantly prevents back-driving or load reversal in the event of a sudden power failure or emergency stop.
Serves as an essential primary safety layer for elevators, heavy material handling cranes, and inclined conveyor systems.
No two industrial machines are exactly alike, which is why rigidity in component specifications can stall innovation. This product line is built around extreme adaptability, ensuring a perfect mechanical match for your specific engineering blueprints.
Features a versatile modular range spanning from 1.0 to 25 mm, accommodating both delicate instruments and massive industrial drives.
Offers a broad spectrum of transmission ratios from 5:1 up to 100:1, available in both single and double-stage configurations.
Fully supports deep non-standard customization, allowing adjustments to shaft dimensions, keyways, and material selections based on your unique load profiles.
Securing a reliable supply chain for critical mechanical components is essential for maintaining your production schedules and protecting your market reputation. As a dedicated manufacturer and global supplier, we bring decades of specialized metallurgical and machining expertise directly to your assembly line. Our commitment goes far beyond simply delivering parts; we provide comprehensive engineering support to ensure your systems operate flawlessly from day one.
Stringent Quality Assurance: Every gearset is rigorously inspected under ISO9001, ISO14001, and ISO45001 certified protocols, guaranteeing defect-free deliveries.
Advanced Manufacturing Facility: Equipped with state-of-the-art multi-axis CNC machining centers and precision gear hobbing equipment to maintain the strictest tolerances.
Scalable Production Capacity: Whether you require a specialized prototype for a new machine design or high-volume continuous fulfillment, our agile production lines adapt to your procurement demands.
Dedicated Technical Support: Our in-house engineering team collaborates closely with your designers to optimize gear ratios, material selections, and lubrication strategies for your specific operational environment.
The double-enveloping geometry radically alters the stress distribution during operation. By wrapping the worm around the gear and vice versa, the design achieves a significantly higher contact ratio. This means:
Mechanical loads are spread across multiple teeth rather than concentrated on one or two.
Localized surface pressure is drastically reduced, minimizing the risk of pitting and scoring.
The enhanced lubrication film retention between the mating surfaces further prevents metal-to-metal wear, ultimately extending the operational lifespan by up to three times.
Absolutely. Precision motion control is one of the primary applications for this specific gearset. To accommodate servo-driven systems, we implement several critical manufacturing steps:
Grinding the gear teeth to an elite accuracy class of DIN 4-6 / AGMA 10.
Providing custom low-backlash or strictly zero-backlash configurations to eliminate rotational play.
Ensuring bore tolerances are kept within ±0.001 mm to ±0.005 mm to guarantee perfect alignment with servo motor shafts.
Self-locking is a critical safety feature, particularly in lifting and hoisting machinery. The ability of the gearset to prevent back-driving depends on a combination of geometric and frictional factors:
Lead Angle: A smaller lead angle on the worm thread significantly increases the self-locking tendency.
Friction Coefficient: The interaction between the hardened steel worm (HRC 58-62) and the bronze gear creates specific frictional resistance.
Vibration and Speed: It is important to note that dynamic environments with high vibration can occasionally compromise static self-locking, so supplementary braking systems are recommended for critical safety applications.
Yes, we fully support non-standard customization to match your exact environmental challenges. If the standard operating temperature of -20ºC to +120ºC or standard materials do not meet your specific needs, we can adapt the specifications:
Substituting standard bronze with specialized alloys for higher temperature stability or chemical resistance.
Applying advanced surface treatments beyond standard phosphating and nickel plating, such as specialized polymer coatings.
Utilizing high-grade stainless steels for the worm shaft in food-grade or marine applications.
While the gearset is designed for extended maintenance intervals, proper lubrication is the absolute key to preserving the ultra-fine Ra 0.4 tooth surface roughness and ensuring quiet operation over the long term.
Utilize high-quality, synthetic gear oils specifically formulated for bronze-on-steel worm drives to prevent chemical degradation of the gear wheel.
Maintain a strict schedule for oil analysis and replacement, particularly during the initial break-in period where microscopic particles may be shed.
Regularly inspect the shaft seals to ensure no abrasive industrial dust or moisture has penetrated the gearbox housing, which could compromise the hardened surfaces.
