The ZQ, ZS, ZD, and ZL Series Cylindrical Gear Reducer stands as a cornerstone of mechanical power transmission, meticulously designed to tackle the most punishing operational environments. When you run your hand along the thick, heavy-duty cast-iron housing, you immediately feel the rugged, unyielding craftsmanship built to absorb intense industrial vibrations. The deep, resonant hum it produces during operation is a testament to its precision-machined internal gears, which mesh with flawless accuracy to minimize friction, reduce acoustic output, and prevent critical energy loss.
Unlike standard transmission units that struggle under sudden shock loads, this cylindrical gear reducer is forged from high-grade alloy steel, offering an exceptionally high threshold against metal fatigue. The surface of the gears undergoes rigorous cold working treatments, including shot peening and rolling, creating a hardened exterior that actively resists pitting and scuffing even when lubrication conditions fluctuate. By integrating this robust reducer into your production line, you eliminate the frequent downtime associated with gear tooth breakage and thermal overload.
The carefully calculated root fillet radius on every gear tooth dissipates stress concentration, ensuring that your heavy machinery operates with relentless consistency. Furthermore, the meticulously sealed architecture prevents abrasive airborne particles from contaminating the internal oil bath, safeguarding the core components from microscopic wear. This translates directly into a transmission system that drives down your long-term maintenance expenditures while elevating the overall output and reliability of your industrial facility.
Technical Parameters
| Input power | 0.8kw~175kw |
| Output torque | 2.3N.m~900N.m |
| Transmission ratio | 2~280 |
| Price | 2500~150000 yuan |
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Common Problems with Reducer Gear Tooth Surfaces
1. Pitting
(Surface crack propagation, abrasive particles, spalling) During gear operation, at the meshing point of tooth surfaces, due to long-term effects of cyclic alternating stress, when the stress peak exceeds the contact fatigue limit of the material, after a certain number of stress cycles, tiny fatigue cracks first appear on the gear surface near the pitch line. As the cracks expand, they will cause small pieces of metal to break off, resulting in tooth surface pitting. Pitting is the phenomenon of metal spalling caused by the expansion of tiny fatigue cracks formed due to metal fatigue on the contact surface.
2. Scuffing
Scuffing: Local temperature rise + heavy load, insufficient lubrication, oil deterioration
3. Spalling
4. Indentation
Investing in the right transmission equipment dictates the rhythm and profitability of your entire facility. This series is engineered to deliver unwavering performance through intelligent design and superior metallurgy, ensuring your operations never miss a beat.
Exceptional Fatigue Resistance: The internal gears are subjected to advanced cold-working processes, drastically reducing the risk of overload fracture and fatigue spalling during high-cycle, continuous operations.
Thermal Dissipation Architecture: The thick, finned cast housing is specifically molded to draw heat away from the core meshing points, preventing oil deterioration and localized temperature spikes that cause gear scuffing.
Precision Meshing Acoustics: Machined to exact tolerances, the gear teeth engage with a smooth, low-decibel rotational sound, indicating minimal energy waste and maximum transfer efficiency.
Impervious to Contaminants: Sealed tightly against abrasive airborne particles, the unit prevents microscopic dust from entering the oil bath, thereby eliminating the primary cause of surface pitting and indentation.
Bidirectional Rotational Capability: Designed to operate seamlessly in both forward and reverse directions without compromising torque output or structural integrity, offering maximum operational flexibility.
Delivering raw power with refined control, this series is the definitive answer for facilities requiring massive mechanical force. The engineering behind the torque delivery ensures that even under maximum strain, the system remains entirely stable.
Offers an expansive input power range from 0.8kw up to 175kw, accommodating a vast array of industrial motor setups.
Achieves massive output torque peaking at 900N.m, providing the necessary muscle for heavy-lifting and crushing applications.
Features a versatile transmission ratio spanning from 2 to 280, allowing for highly precise speed modulation across different production stages.
Maintains a formidable comprehensive transmission efficiency of over 94%, ensuring minimal power degradation from the motor to the driven machine.
The physical integrity of this reducer is built upon advanced metallurgical science. The touch of the reinforced exterior shell speaks to its ability to withstand severe environmental impacts and internal mechanical stress.
Utilizes high-strength alloy steel for all internal gearing, ensuring unparalleled longevity under continuous, heavy-duty stress.
Engineered with an increased root fillet radius and eliminated machining marks to drastically reduce stress concentration at the tooth root.
Employs sophisticated cold working treatments, such as shot peening and rolling, to fortify the gear surface against pitting, scuffing, and spalling.
Designed for the harshest industrial landscapes, this unit thrives where standard components inevitably fail. It operates with relentless efficiency whether covered in abrasive dust or exposed to freezing ambient air.
Perfectly suited for the brutal environments of mining crushers, metallurgical plants, and cement rotary kilns.
Drives critical bulk material handling systems, including heavy-duty belt conveyors and high-capacity bucket elevators.
Maintains absolute operational stability in extreme temperature fluctuations, functioning flawlessly from -40℃ up to +40℃.
Integrating new hardware into existing facility infrastructure requires adaptability. This series is engineered with a modular philosophy to ensure a perfect fit for your specific spatial and mechanical requirements.
Available in 9 distinct assembly configurations (Types I through IX) to seamlessly match complex spatial layouts and existing machinery.
Offers versatile output shaft options including Z-type (Cylindrical), C/CA-type (Gear), and F-type (Cross coupling) for tailored mechanical coupling.
Provides a comprehensive range of center distances from 250mm up to a massive 1000mm, ensuring exact alignment with your driven equipment.
Facility profitability relies heavily on minimizing equipment downtime. The architecture of this gear reducer prioritizes accessible maintenance, rapid component inspection, and sustained, unproblematic operation.
Engineered for exceptionally smooth operation with a low-decibel acoustic profile, significantly reducing workplace noise pollution.
Features a modular, vertically split housing design that makes internal inspections, bearing checks, and component replacements straightforward.
Significantly cuts down on routine maintenance hours, serving as a highly economical and durable solution for legacy industrial setups.
Catastrophic gear failure is not an option in high-stakes environments. Our engineering protocols specifically target the root causes of mechanical breakdowns, ensuring your production remains completely uninterrupted.
Increases the stiffness of supporting shafts and bearing components to prevent localized stress peaks that cause random overloads and fractures.
Incorporates an optimized internal lubrication flow that constantly bathes meshing points, preventing the local temperature rises that lead to scuffing.
Rigorous pre-shipment load testing guarantees that every unit can withstand severe, unexpected overloads without suffering root fractures or spalling.
Securing your supply chain with a reliable manufacturer is just as critical as the machinery itself. We provide more than just heavy-duty equipment; we deliver long-term operational security. Partnering with a dedicated manufacturer ensures that every transmission unit you receive has been subjected to uncompromising quality assurance protocols. We understand the high stakes of industrial production, which is why our facilities prioritize precision engineering and rapid fulfillment.
Direct Manufacturer Access: Bypass intermediaries to secure highly competitive pricing and direct technical support from the engineers who built your equipment.
Stringent Material Sourcing: We utilize only verified, high-grade alloy steels and premium lubricants, ensuring the foundational materials dictate the ultimate longevity of the product.
Custom Engineering Capabilities: Our technical team can modify shaft dimensions, assembly types, and housing orientations to perfectly match your unique facility blueprints.
Comprehensive Lifecycle Support: From initial integration consulting to long-term maintenance guidance, our expertise remains at your disposal long after the initial procurement.
Rapid Global Fulfillment: Streamlined production lines and optimized logistics networks ensure that your critical replacement parts and new units arrive precisely when scheduled.
To combat pitting and spalling caused by cyclic alternating stress, our gears undergo advanced cold-working treatments like shot peening. Furthermore, the housing is designed to maintain a pristine oil bath, preventing abrasive particles from initiating surface cracks near the pitch line, thereby preserving the integrity of the metal contact surfaces.
Absolutely. The unit is strictly engineered to function flawlessly in ambient temperatures ranging from -40℃ to +40℃. The robust cast housing and carefully selected internal tolerances prevent thermal expansion or contraction from compromising the gear meshing accuracy, ensuring stable operation in both freezing and sweltering conditions.
Scuffing is typically caused by localized temperature spikes combined with heavy loads and insufficient lubrication. We mitigate this by implementing an optimized internal geometry that ensures continuous, high-volume oil distribution to all meshing points. This effectively dissipates heat and maintains a protective oil film even during severe load spikes.
We offer a highly adaptable range of output shafts to suit various mechanical setups. You can select from the Z-type (Cylindrical shaft extension), C/CA-type (Gear shaft extension), or the F-type (Cross coupling). This variety ensures seamless mechanical integration with your driven equipment without the need for expensive custom adapters.
The reducer features a highly accessible, modular split-housing architecture. This allows maintenance personnel to easily open the unit for internal inspections, bearing replacements, or lubrication changes without needing to completely unmount the entire transmission system from the production line, drastically reducing labor hours and facility downtime.
