EP-WPDKZ 8-80Kg Single Speed Reducer
The EP-WPDKZ series is a robust single-speed worm gear reducer designed for versatile industrial applications. Available in sizes 50 to 135, it supports input powers from 0.18 kW to 4.0 kW and offers reduction ratios ranging from 1/5 to 1/60. The unit features a durable cast iron housing with a top-mounted flange design (sizes up to M12) and accommodates various motor configurations. Weighing between 8 kg and 80 kg, it ensures stability for demanding machinery. Key specifications include output shafts up to 18×64.4 mm and mounting bases extending to 210 mm wide, providing reliable speed reduction and precise power transmission for operations requiring compact, flange-mounted performance and efficient torque delivery.
Premium EP-WPDKZ 8-80Kg Single Speed Reducer
EP-WPDKZ Technical & Performance Parameters
To explicitly ensure exact mechanical system compatibility and to proactively assist technical engineers in their precision integration processes, our factory provides the highly comprehensive dimensional and performance specifications for the complete EP-WPDKZ single speed reducer series. Truly understanding exactly what is the purpose of the gear reducer requires a deep, uncompromising analytical dive into these exact empirical metrics. The following meticulously compiled data rigorously outlines the robust physical footprint, the highly versatile top flange input dimensions, the heavy-duty solid output shaft parameters, and the incredibly extensive range of available mechanical transmission ratios (from 1/5 up to 1/60). Whether your team is actively implementing a compact size 50 unit weighing a mere 8kg or rapidly deploying the massive 80kg size 135 powerhouse for a heavy-duty industrial single speed reducer transmission network, this definitive data guarantees that you possess the precise engineering facts absolutely required to select the perfect top flange single speed reducer system for your specific global application.
| Size | Input (kw) | Ratio | AB | B | CC | E1 | E2 | F | G | LL | N | M | Z | LB | LC | LA | LG | LZ | Q | U | TxV | S | WxY | Wt(kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 | 0.18 | 1/5~1/60 | 88 | 105 | 50 | 53 | 77 | 100 | 15 | 77 | 160 | 125 | 11 | 115 | 95 | 140 | 10 | M8 | 26 | 11 | 4x12.8 | 20 | 6x22.8 | 8 |
| 60 | 0.18/0.37 | 1/5~1/60 | 80 | 110 | 60 | 68 | 92 | 100 | 15 | 82 | 190 | 130 | 11 | 115/130 | 95/110 | 140/160 | 10 | M8 | 27/37 | 11/14 | 4x12.8/5x16.3 | 25 | 8x28.3 | 12.5 |
| 70 | 0.37/0.75 | 1/5~1/60 | 100 | 130 | 70 | 75 | 115 | 120 | 20 | 95 | 230 | 155 | 15 | 130/165 | 110/130 | 160/200 | 10 | M8/M10 | 32/42 | 14/19 | 5x16.3/6x21.8 | 30 | 8x33.3 | 16 |
| 80 | 0.75/1.5 | 1/5~1/60 | 120 | 150 | 80 | 96 | 144 | 125 | 20 | 100 | 265 | 160 | 15 | 165 | 130 | 200 | 12 | M10 | 45/57 | 19/24 | 6x21.8/8x27.3 | 35 | 10x38.3 | 23 |
| 100 | 1.5/2.2 | 1/5~1/60 | 150 | 160 | 100 | 100 | 150 | 155 | 22 | 135 | 310 | 195 | 15 | 165/215 | 130/180 | 200/250 | 15 | M10/M12 | 60/70 | 24/28 | 8x27.3/8x31.3 | 40 | 12x43.3 | 38 |
| 120 | 2.2/3.0 | 1/5~1/60 | 165 | 175 | 120 | 120 | 180 | 180 | 28 | 160 | 360 | 230 | 18 | 215 | 180 | 250 | 18 | M12 | 70 | 28 | 8x31.3 | 45 | 14x48.8 | 60 |
| 135 | 3.0/4.0 | 1/5~1/60 | 185 | 210 | 135 | 130 | 200 | 200 | 30 | 170 | 390 | 250 | 18 | 215 | 180 | 250 | 20 | M12 | 68 | 28 | 8x31.3 | 60 | 18x64.4 | 80 |

Five Core Advantages of Our Single Speed Reducer
1. Space-Optimized Top Flange Architecture
The absolute primary operational advantage of the EP-WPDKZ premium single speed reducer is its highly innovative, space-optimized vertical top flange input architecture, which fundamentally transforms how technical engineers approach modern powertrain assembly. Unlike traditional horizontal makishinko speed reducer units that require massive amounts of floor space for separate input solid shafts and highly vulnerable external coupling guards, this top flange single speed reducer system allows standard AC or DC electric motors to bolt directly onto the zenith of the heavy-duty gearbox. This vertical motor mount single speed gear reducer configuration actively frees up critical spatial real estate on excessively crowded manufacturing plant floors, allowing for denser machinery placement and higher production yields per square meter. By completely eliminating the intermediary horizontal coupling components, this customized single speed reducer eliminates the persistent engineering issues of shaft misalignment and destructive rotational vibration that plague older single speed reduction setups. This flawless, direct vertical mechanical connection ensures that absolutely 100% of the driving motor's kinetic energy is transferred instantly into the single reduction worm reducer mechanism below. As a highly trusted single speed reducer manufacturer, we machine these robust top flanges to exact international dimensions, facilitating rapid, plug-and-play field installations globally.
2. Unyielding Heavy-Duty Load Tolerance
The second major mechanical advantage lies in the phenomenal, unyielding load-bearing capacity inherent to our heavy duty worm drive gearbox design, which is meticulously crafted to survive the most punishing, unforgiving industrial environments. When continuous high-torque demands, sudden jams, or violent starting shock loads threaten to completely destroy standard OEM equipment, this high torque worm gearbox effortlessly absorbs and mathematically distributes the intense mechanical stress. We have engineered the specialized internal geometry of this single speed gear reducer to maximize the vital physical contact area between the hardened vertical worm shaft and the precision bronze worm wheel, ensuring that kinetic force is transferred smoothly without ever inducing catastrophic gear tooth shear. For aggressive heavy industries where operational reliability is absolutely non-negotiable, integrating this premium worm reducer ensures that your vital automation machinery can push relentlessly through the toughest production bottlenecks. Utilizing a highly durable worm reducer gearbox premium cast-iron construction, this single speed reducer provides consistent, unyielding power delivery, allowing global single speed reducer supplier networks to confidently specify it for heavy mining, commercial construction, and continuous mass manufacturing applications where sudden equipment failure is financially disastrous.
3. Supreme Transmission Efficiency
Furthermore, the exceptionally optimized transmission efficiency of this advanced single speed reducer transmission establishes an entirely new, elevated performance benchmark within the highly competitive global mechanical power marketplace. Through rigorous computational fluid dynamics simulations and ultra-precision CNC gear tooth micro-profiling, our factory engineers have successfully minimized the internal sliding friction that is typically associated with a traditional single stage right-angle worm-gear speed reducer. This dramatic reduction in internal mechanical resistance dictates that a significantly higher percentage of the driving motor's raw input power is directly and efficiently translated into usable, massive output torque. This engineering breakthrough perfectly answers the urgent industrial query regarding exactly how to reduce single phase motor speed without losing immense amounts of expensive electrical energy to useless, ambient heat generation. By dramatically maximizing the kinetic efficiency of this single speed reducer, sprawling manufacturing facilities can actively downsize their primary electric drive motors, leading to massive long-term financial savings on daily factory electrical power consumption. Ultimately, this industrial automation worm gear speed reducer operates at absolute peak thermodynamic performance, strictly adhering to the latest international energy conservation protocols.
4. Advanced Vertical Thermal Dissipation
Directly complementing its superior structural integrity, the advanced thermal dissipation capabilities of this specific single speed reducer effectively neutralize the severe overheating complications that frequently destroy conventional vertical power transmission components. Destructive heat generation is an unavoidable physical natural byproduct of any intensive mechanical speed reduction process, particularly within a high-friction, enclosed worm gear reducer gearbox operating under vertical loads. To aggressively combat this physical reality, we have meticulously engineered the external heavy cast-iron housing of this single speed reducer with strategically placed, excessively deep-finned cooling ribs that wrap around the vertical axis. This highly innovative geometric casing design dramatically increases the total surface area explicitly exposed to ambient factory airflow, promoting incredibly rapid, passive thermal transfer away from the internal mechanisms. By strictly regulating and suppressing internal operating temperatures, this single speed reducer completely prevents the premature thermal breakdown of critical upper bearing oil seals, lower support bearings, and high-performance synthetic lubricants. This proactive cooling technology directly addresses how to speed up single hive reducer bottleneck scenarios safely, ensuring optimal fluid viscosity even during continuous 24/7 operations.
5. Drastically Prolonged Operational Lifespan
Finally, the phenomenally prolonged operational lifespan of this specific single speed reducer provides unmatched total economic value and profound engineering peace of mind for facility procurement directors worldwide. By meticulously combining ultra-high-grade raw metallurgical materials with rigorous aerospace-level CNC machining tolerances, this speed reducer worm gearbox effectively completely resists the abrasive, highly corrosive, and fatiguing mechanical forces that rapidly degrade inferior competitive transmission products. The internal precision-cut worm gear speed reducers are continuously bathed in a specialized, high-performance synthetic lubrication pool that drastically minimizes destructive microscopic metal-on-metal contact, perfectly preserving the exact mathematical geometry of the bronze gear teeth over decades of intense, unrelenting industrial use. This exceptional, rugged durability acts as a definitive engineering solution to those critically wondering what are the disadvantages of reduction gears, as our highly advanced single speed reducer comprehensively mitigates all traditional wear-and-tear mechanical drawbacks. Consequently, your strategic investment in this robust worm cast reducer translates directly into vastly fewer replacement cycles, significantly lowered long-term maintenance budgets, and a profoundly reliable kinetic backbone for your global automation systems.
Working Principle of the Vertical Single Speed Reducer
Delving deeply into the core mechanical physics, the operational working principle of this highly sophisticated WPDKZ single speed reducer is fundamentally based on the timeless, yet heavily refined, right-angle interaction between a vertically oriented, threaded high-strength worm shaft and a corresponding, precision-toothed horizontal bronze worm wheel. When high-speed rotational kinetic energy is introduced into the robust system via the top-mounted electric drive motor, it immediately engages the vertically supported input shaft of the single speed reducer. This rapid-spinning vertical input shaft features a continuous spiral thread that aggressively drives downward against the precisely angled, sweeping teeth of the significantly larger output worm wheel. Dictated by the specific mathematical worm gear reduction ratio flawlessly calculated by our veteran engineering team, this high-speed top input is systematically and smoothly converted into a vastly lower rotational speed at the solid horizontal output shaft, while simultaneously multiplying the available twisting torque exponentially. This massive torque multiplication is exactly what is a single speed reduction gear designed to achieve in heavy vertical industry. Furthermore, as the worm reducer gearbox operates under immense load, the sliding friction inherent to this specific top-input mechanical design provides a unique, highly desirable self-locking capability in higher gear ratios. This critical self-locking feature prevents the heavy driven load from dangerously back-driving the top-mounted electric motor when facility power is abruptly disconnected, making this vertical motor mount single speed gear reducer an absolute non-negotiable safety necessity for industrial lifting mechanisms, freight elevators, and steep inclined conveyor systems globally.
Materials & Quality Authority Standards
When professional procurement engineers and global project managers evaluate the absolute quality and rigorous authoritative standing of our industrial inline single speed reducer solutions, they must look directly at the uncompromising metallurgical science deeply embedded within our modern manufacturing processes. As a globally recognized authority in advanced mechanical transmission, our factory strictly mandates that every top flange single speed reducer system is precision-forged from ultra-premium ductile iron and incredibly high-density cast steel. This guarantees an unyielding, rock-solid vertical exterior framework that effortlessly survives the harshest, most corrosive environmental onslaughts imaginable. The critical internal components of this premium worm reducer are equally formidable; the primary driving vertical worm shaft is meticulously carved from specialized, high-grade alloy steel and subsequently subjected to a highly advanced, deep-penetration high-frequency induction hardening process. This creates an incredibly wear-resistant exterior surface that maintains absolute structural integrity under immense, continuous friction. Simultaneously, the heavy-duty horizontal worm wheel is precision-cast from a proprietary centrifugal bronze alloy, delivering the exact perfect balance of raw tensile strength and vital self-lubricating properties essential for a high-performance worm gear reducer gearbox.
Primary Application Scenarios
North American Conveyor Systems
Within the rapid, high-volume automated logistics facilities across North America, absolute kinetic synchronization is strictly mandatory. Our top flange single speed reducer system provides the highly rigid, vertical direct-drive necessary to completely eliminate horizontal belt-slip errors on high-speed sorting lines. By integrating this specific single speed reducer transmission, sprawling distribution plants significantly lower package rejection rates while maintaining incredibly high, continuous throughput volumes efficiently.
European Mixer & Agitator Drives
Strict sanitation and exceptionally reliable wash-down endurance definitively characterize the heavily regulated European commercial chemical and food sector. This completely sealed single reduction spur gear type speed reducer equivalent effectively completely isolates vital internal synthetic lubricants from accidental external contamination. The vertical motor mount single speed gear reducer ensures that massive industrial vertical mixers and automated fluid agitators operate with the flawless, whisper-quiet cadence required by elite safety compliance officers.
Southeast Asian Material Handling
In expansive, incredibly humid Southeast Asian manufacturing hubs, continuous material flow dictates total profitability. The strategic deployment of a robust single stage right-angle worm-gear speed reduce unit guarantees the exact, unyielding massive torque inherently required to smoothly drive heavy, inclined freight elevators and automated storage retrieval systems. This heavy duty worm drive gearbox comprehensively withstands the extremely high ambient humidity and relentless operational hours without failing.
About Us: A Decade of Mechanical Excellence
Empowered by significantly more than ten years of dedicated, hands-on advanced mechanical engineering expertise, our expansive, state-of-the-art manufacturing facility operates as a definitively premier authority within the highly competitive global power transmission industry. Our incredibly comprehensive and diverse product portfolio extends far beyond the exceptional single speed reducer; we proudly and meticulously design, cast, and intricately assemble an extensive array of heavy-duty agricultural gearboxes, precision worm gear reducers, highly advanced planetary gear drives, extremely durable power take-off shafts, robust hydraulic cylinders, standardized heavy chains, and industrial-grade motors. Operating strictly under a highly prestigious, independently audited ISO 9001:2015 certification, our factory unequivocally guarantees that every single speed gear reducer continuously exiting our rigorous final assembly line absolutely meets sheer metallurgical perfection. We specialize deeply in manufacturing an incredibly wide, versatile spectrum of robust industrial and agricultural transmission assemblies. These vital components are meticulously crafted from superior, raw metallurgical materials including highly resilient ductile iron, standardized commercial cast iron, incredibly robust high-density cast steel, flawless precision cast steel, and highly optimized, thermally efficient lightweight cast aluminum. Furthermore, while we universally excel as a premier single speed reducer manufacturer, we are also globally recognized as a trusted OEM Double Speed Worm Gear Reducer Supplier. Whether your massive industrial facility urgently requires standard drive sprockets, specialized power pulleys, complex standalone precision worm gears, highly durable worms, custom-machined transmission shafts, or entirely bespoke, non-standard mechanical parts aggressively engineered from absolute scratch, our veteran technical engineering team possesses the profound theoretical knowledge and cutting-edge CNC machinery strictly required to transform your most complex mechanical blueprints into a flawless, high-performing physical reality.
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Related Products for Seamless System Integration
To absolutely maximize the total operational efficiency and kinetic reliability of your newly acquired single speed reducer, our highly advanced manufacturing factory strongly advocates for complete, end-to-end mechanical system compatibility exclusively through our highly streamlined, one-stop manufacturing supply ecosystem. We concurrently manufacture elite, top-tier companion products inherently perfectly matched to operate flawlessly with any top flange single speed reducer in our extensive global catalog. This highly integrated, single-source procurement approach dramatically simplifies your complex supply chain process, unequivocally guarantees absolutely perfect mechanical alignment, and significantly extends the usable, profitable lifespan of your entire heavy drive assembly.
High-Performance Drive Motors
Ensure your critical vertical single speed reducer receives the exact kinetic input it absolutely requires by perfectly pairing it with our highly efficient Electric Motors. Engineered strictly for sustained, aggressive industrial automation and perfect mechanical synergy.

Comprehensive Reduction Systems
Beyond the highly specialized single speed reducer, thoroughly explore our vast manufacturing portfolio encompassing the entire Kotak Gear Cacing spectrum, guaranteeing that no matter your unique torque requirement, we proudly deliver the ultimate one-stop mechanical solution.

Frequently Asked Questions (FAQ)
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