EP-WPDKA 5-350Kg Single Speed Reducer
The EP-WPDKA series is a robust single-speed worm gear reducer designed for heavy-duty industrial applications. Available in sizes ranging from 40 to 250, this unit supports input powers from 0.12 kW to 15.0 kW and offers transmission ratios between 1/5 and 1/60. The reducer features a durable cast iron housing with versatile shaft direction options (A and B) and accommodates motor flanges up to M16. With weights spanning from 5 kg to 350 kg depending on the model, it provides reliable torque transmission. Key dimensions include output shafts up to 28×116.4 mm and mounting bases up to 615 mm wide, ensuring stability and precision for demanding machinery operations requiring efficient speed reduction.
Premium EP-WPDKA 5-350Kg Single Speed Reducer
EP-WPDKA Technical & Performance Parameters
Whether you are actively implementing a compact size 40 unit or deploying the massive 350kg size 250 powerhouse for a heavy-duty global industrial network, this data guarantees that you have the precise engineering facts required to select the perfect high efficiency single speed reducer system.
| Size | Input (kw) | Ratio | A | AB | B | CC | H | HL | M | N | E | F | G | Z | LA | LB | LC | LE | LZ | Q | U | TxV | S | WxY | Wt(kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 | 0.12 | 1/5~1/60 | 135 | 75 | 85 | 40 | 138 | 40 | 90 | 100 | 70 | 80 | 13 | 11 | 115 | 95 | 140 | 4 | M8 | 31 | 11 | 4x12.8 | 16 | 6x18.8 | 5 |
| 50 | 0.18 | 1/5~1/60 | 151 | 83 | 105 | 50 | 176 | 50 | 120 | 140 | 95 | 110 | 15 | 11 | 115 | 95 | 140 | 4 | M8 | 31 | 11 | 4x12.8 | 20 | 6x22.8 | 8 |
| 60 | 0.37 | 1/5~1/60 | 167 | 91 | 110 | 60 | 204 | 60 | 130 | 150 | 105 | 120 | 20 | 11 | 130 | 110 | 160 | 4 | M8 | 33 | 14 | 5x16.3 | 25 | 8x28.3 | 10.5 |
| 70 | 0.37/0.75 | 1/5~1/60 | 202 | 111 | 130 | 70 | 236 | 70 | 150 | 190 | 115 | 150 | 20 | 15 | 165 | 130 | 200 | 4 | M10 | 42 | 19 | 6x21.8 | 30 | 8x33.3 | 17 |
| 80 | 0.75/1.5 | 1/5~1/60 | 225 | 125 | 150 | 80 | 268 | 80 | 170 | 220 | 135 | 180 | 20 | 15 | 165 | 130 | 200 | 4.5 | M10 | 52 | 24 | 8x27.3 | 35 | 10x38.3 | 25 |
| 100 | 1.5 | 1/5~1/60 | 280 | 148 | 160 | 100 | 336 | 100 | 190 | 270 | 155 | 220 | 25 | 15 | 165 | 130 | 200 | 4.5 | M10 | 52 | 24 | 8x27.3 | 40 | 12x43.3 | 38 |
| 120 | 2.2/3.0 | 1/5~1/60 | 333 | 181 | 175 | 120 | 430 | 120 | 230 | 320 | 180 | 260 | 30 | 18 | 215 | 180 | 250 | 5 | M12 | 63 | 28 | 8x31.3 | 45 | 14x48.8 | 60 |
| 135 | 3.0/4.0 | 1/5~1/60 | 375 | 202 | 210 | 135 | 480 | 135 | 250 | 350 | 200 | 290 | 30 | 18 | 215 | 180 | 250 | 5 | M12 | 63 | 28 | 8x31.3 | 60 | 18x64.4 | 85 |
| 155 | 4.0/5.5 | 1/5~1/60 | 448 | 247 | 256 | 155 | 531 | 135 | 275 | 390 | 220 | 320 | 35 | 20 | 265 | 230 | 300 | 5 | M12 | 83 | 38 | 10x41.3 | 70 | 20x74.9 | 120 |
| 175 | 5.5/7.5 | 1/5~1/60 | 481 | 262 | 282 | 175 | 600 | 160 | 310 | 430 | 250 | 350 | 40 | 20 | 265 | 230 | 300 | 5 | M12 | 83 | 38 | 10x41.3 | 80 | 22x85.4 | 150 |
| 200 | 7.5/11.0 | 1/5~1/60 | 543 | 285 | 320 | 200 | 666 | 175 | 360 | 480 | 290 | 390 | 40 | 22 | 300 | 250 | 350 | 6 | M16 | 114 | 42 | 12x45.3 | 85 | 22x90.4 | 218 |
| 250 | 11.0/15.0 | 1/5~1/60 | 615 | 330 | 400 | 250 | 800 | 200 | 460 | 560 | 380 | 480 | 45 | 27 | 300 | 250 | 350 | 6 | M16 | 114 | 42 | 12x45.3 | 110 | 28x116.4 | 350 |

Five Core Advantages of Our Single Speed Reducer
1. Direct Motor Flange Integration
The foremost operational advantage of this premium single speed reducer is its precision-engineered motor flange input architecture, which fundamentally transforms how technical engineers approach powertrain assembly. Unlike traditional units that require separate input solid shafts and highly vulnerable external couplings, this flange mounted single speed reducer allows standard AC or DC motors to bolt directly into the heavy-duty gearbox housing. This specific industrial inline single speed reducer configuration drastically reduces the overall physical footprint of the entire drive system, freeing up critical spatial real estate on crowded manufacturing plant floors. Furthermore, by completely eliminating the intermediary coupling components, this customized single speed reducer actively eliminates the common engineering issues of shaft misalignment and destructive rotational vibration that consistently plague lesser single speed reduction setups. This flawless, direct mechanical connection ensures that absolute 100% of the motor's kinetic energy is transferred instantly and smoothly into the single reduction worm reducer mechanism. As a dedicated factory and highly trusted single speed reducer manufacturer, we precisely machine these robust flanges to exact international dimensional standards, ensuring universal compatibility and facilitating rapid, plug-and-play field installations.
2. Exceptional Heavy-Duty Load Tolerance
The second major advantage lies in the phenomenal load-bearing capacity inherent to our heavy duty worm drive gearbox design, crafted specifically to survive the most punishing industrial environments. When continuous high-torque demands or sudden, violent shock loads threaten to destroy standard equipment, this high torque worm gearbox effortlessly absorbs and distributes the mechanical stress. We have engineered the internal geometry of this single speed gear reducer to maximize the physical contact area between the worm shaft and the bronze wheel, ensuring that kinetic force is transferred smoothly without inducing catastrophic gear tooth shear. For heavy industries where operational reliability is absolutely non-negotiable, integrating this premium worm reducer ensures that your vital machinery can push relentlessly through the toughest production bottlenecks. By utilizing a highly durable worm reducer gearbox premium construction, this single speed reducer provides consistent, unyielding power delivery, allowing global single speed reducer supplier networks to confidently specify it for aggressive mining, commercial construction, and continuous heavy manufacturing applications where unexpected equipment failure is financially unacceptable.
3. Optimized Transmission Efficiency
Furthermore, the highly optimized transmission efficiency of this advanced single speed reducer transmission establishes an entirely new performance benchmark within the global mechanical power marketplace. Through rigorous computational fluid dynamics simulations and ultra-precision gear tooth micro-profiling, our factory engineers have successfully minimized the internal sliding friction typically associated with a traditional single stage right-angle worm-gear speed reducer. This dramatic reduction in internal mechanical resistance means that a significantly higher percentage of the driving motor's input power is directly and efficiently translated into usable output torque. This engineering breakthrough perfectly answers the common industrial query regarding how to reduce single phase motor speed without losing immense amounts of expensive electrical energy to useless ambient heat generation. By maximizing the kinetic efficiency of this single speed reducer, manufacturing facilities can actively downsize their primary electric drive motors, leading to massive long-term financial savings on daily electrical power consumption. Ultimately, this high efficiency single speed reducer system operates at peak thermodynamic performance, strictly adhering to the latest international energy conservation standards.
4. Advanced Thermal Dissipation Technology
In direct addition to its structural superiority, the advanced thermal dissipation capabilities of our single speed reducer effectively neutralize the severe overheating issues that frequently destroy conventional power transmission components. Destructive heat generation is an unavoidable natural byproduct of any intensive mechanical speed reduction process, particularly within a high-friction, enclosed worm gear reducer gearbox environment. To combat this physical reality, we have meticulously engineered the external cast-iron housing of this single speed reducer with strategically placed, excessively deep-finned cooling ribs. This highly innovative geometric design dramatically increases the total surface area 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 oil seals, bearings, and synthetic lubricants.
5. Prolonged Operational Lifespan & Low Maintenance
Finally, the phenomenally prolonged operational lifespan of this specific single speed reducer provides unmatched total economic value and profound peace of mind for facility procurement directors worldwide. By meticulously combining ultra-high-grade raw metallurgical materials with aerospace-level CNC machining tolerances, this speed reducer worm gearbox effectively completely resists the abrasive, corrosive, and fatiguing forces that rapidly degrade inferior competitive products. The internal precision-cut worm gear speed reducers are continuously bathed in a high-performance synthetic lubrication pool that drastically minimizes destructive metal-on-metal contact, perfectly preserving the exact microscopic geometry of the gear teeth over decades of intense, unrelenting use. This exceptional, rugged durability acts as a definitive engineering solution to those critically wondering what are the disadvantages of reduction gears, as our advanced single speed reducer comprehensively mitigates all traditional wear-and-tear mechanical drawbacks.
Working Principle of the Single Speed Reducer
Delving deeply into the core mechanical physics, the operational working principle of this highly sophisticated single speed reducer is fundamentally based on the timeless, yet heavily refined, right-angle interaction between a threaded high-strength worm shaft and a corresponding, precision-toothed bronze worm wheel. When high-speed rotational kinetic energy is introduced into the robust system via the directly mounted electric drive motor, it immediately engages the internally supported input shaft of the single speed reducer. This rapid-spinning input shaft features a continuous spiral thread that aggressively drives 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 input is systematically and smoothly converted into a vastly lower rotational speed at the 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 industry. Furthermore, as the worm reducer gearbox operates under load, the sliding friction inherent to this specific mechanical design provides a unique, highly desirable self-locking capability in higher gear ratios.
Materials & Quality Authority Standards
When professional procurement engineers 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 single speed reducer is precision-forged from ultra-premium ductile iron and incredibly high-density cast steel. This guarantees an unyielding, rock-solid 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 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 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 Packaging Machinery
Within the rapid, high-volume automated packaging facilities across North America, absolute kinetic synchronization is mandatory. Our flange-mounted single-speed reducer provides the rigid, direct-drive necessary to eliminate belt-slip errors on high-speed labeling and carton-sealing lines. By integrating this specific single speed reducer transmission, packaging plants significantly lower product rejection rates while maintaining incredibly high, continuous throughput volumes.
European Food Processing Networks
Strict sanitation and reliable wash-down endurance define the heavily regulated European commercial food sector. This completely sealed single reduction spur gear type speed reducer effectively isolates vital internal synthetic lubricants from accidental external contamination. The industrial inline single speed reducer ensures that massive industrial mixers and automated baking conveyors operate with a flawless, whisper-quiet cadence required by elite facility safety compliance officers.
Southeast Asian Textile Conveyors
In expansive, incredibly humid Southeast Asian textile and garment manufacturing hubs, continuous material flow dictates total profitability. The deployment of a robust single stage right-angle worm-gear speed reduce unit guarantees the exact, unyielding massive torque required to smoothly drive heavy, endless fabric dyeing and drying conveyor chains. This heavy duty worm drive gearbox withstands the high ambient humidity and relentless operational hours without failing.

About Us: A Decade of Mechanical Excellence
Backed by over ten years of dedicated, hands-on mechanical engineering expertise, our expansive manufacturing facility operates as a definitively premier authority in the highly competitive global power transmission industry. Our incredibly comprehensive product portfolio extends far beyond the exceptional single speed reducer; we proudly design, cast, and intricately assemble an extensive array of heavy-duty agricultural gearboxes, precision worm gear reducers, advanced planetary gear drives, highly durable power take-off shafts, robust hydraulic cylinders, standardized chains, and industrial-grade motors. Operating strictly under a prestigious, independently audited ISO 9001:2015 certification, our factory unequivocally guarantees that every single speed gear reducer exiting our rigorous assembly line meets absolute metallurgical perfection. We specialize deeply in manufacturing an incredibly wide spectrum of industrial and agricultural transmission assemblies, meticulously crafted from superior raw materials including highly resilient ductile iron, standardized cast iron, incredibly robust cast steel, flawless precision cast steel, and highly optimized lightweight cast aluminum. Whether your heavy facility requires standard sprockets, specialized pulleys, complex standalone worm gears, durable worms, precision shafts, or entirely bespoke, non-standard mechanical parts engineered from scratch, our veteran technical team possesses the profound theoretical knowledge and cutting-edge CNC machinery strictly required to transform your complex mechanical blueprints into a flawless, high-performing physical reality.
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Related Products for Seamless System Integration
To maximize the total operational efficiency of your newly acquired single speed reducer, our factory strongly advocates for complete, end-to-end mechanical system compatibility through our highly streamlined, one-stop manufacturing supply ecosystem. We concurrently manufacture top-tier companion products perfectly matched to operate flawlessly with any flange mounted single speed reducer in our extensive catalog. This highly integrated, single-source approach dramatically simplifies your complex procurement process, unequivocally guarantees perfect mechanical alignment, and significantly extends the usable lifespan of your entire heavy drive assembly.
High-Performance Drive Motors
Ensure your critical single speed reducer receives the exact kinetic input it absolutely requires by perfectly pairing it with our highly efficient Moteurs électriques. Engineered strictly for sustained, aggressive industrial use and perfect mechanical synergy.

Comprehensive Reduction Systems
Beyond the standard single speed reducer, thoroughly explore our vast manufacturing portfolio encompassing the entire Réducteur à vis sans fin spectrum, ensuring that no matter your unique torque requirement, we proudly deliver the ultimate one-stop mechanical solution.

Frequently Asked Questions (FAQ)
Éditeur : PXY



