XW Compact Inline Power Transmission
The XW Type Cycloid Reducer is a high-precision cycloidal drive designed specifically for super-heavy industrial power transmission applications. In SENOTAY's nomenclature, the X designates the advanced cycloidal pin-wheel design, while the W represents a horizontal, foot-mounted installation layout. Engineered for seamless inline integration, the XW Series delivers enormous torque capacity (up to 48,000 Nm peak), smooth rolling engagement, and exceptional durability in a compact footprint. It is widely trusted across global markets as the ideal choice for heavy-duty conveyors, steel mill rollers, mining equipment, and industrial automation lines.
Core System Advantages
Unmatched Torque & Shock Load Capacity: Unlike traditional planetary gears, the cycloidal drive uses rolling contact that distributes force across multiple points. This allows the XW series to effortlessly handle shock loads up to 500% of its rated capacity without tooth breakage, ensuring uninterrupted power in volatile environments like mining and metallurgy.
Outstanding Efficiency & Accuracy: Delivers a remarkable 96.5% to 98% mechanical efficiency at full load. The precision-machined interface guarantees a positioning repeatability of ±0.5 arcmin and a total backlash of ≤ 1 arcmin, resulting in perfectly smooth, loss-free power transfer.
Key Technical Specifications
The housing is constructed from highly rigid forged alloy steel (EN-GJS-600-3 / QT600-3 Ductile Cast Iron) for ultimate crack resistance. The cycloid discs are case-hardened 18CrNiMo7-6 steel (HRC 60±2), and the pin rings are induction-hardened 42CrMo4 steel. Operates flawlessly across extreme temperature ranges from -40°C to +120°C. Generates very low noise (≤ 65 dB(A)) despite handling massive industrial loads.Employs an FKM triple-lip seal paired with an HNBR O-ring to achieve its IP69K rating. Lubricated with premium Synthetic Gear Oil or Polyurea NLGI 2 grease, the unit is designed for a maintenance-free lifespan of up to 50,000 hours.
Why Leading Plants Choose SENOTAY
Factory-Direct Pricing. Certified Quality. Dedicated Support.
Best Price Guarantee
Certified & Compliant
Fast, Reliable Delivery
Comprehensive After-Sales Support
Lifetime Technical Support: Expert guidance for torque calculation, motor matching, and installation.
Spare Parts in Stock: Immediate availability of eccentric bearings, cycloidal wheels, pin teeth, and input/output shafts.
Remote Troubleshooting: Fast diagnostics to keep your machinery and production lines moving.
Trusted by factories worldwide. Ready for yours.
Why to Select the XW Type Cycloid Reducer?
In application scenarios that require absolute precision, efficiency and durability the XW series reducer becomes an obvious and unquestionable choice due to the following reasons:
Unmatched Torque and Load Capacity: The XW Type Cycloid Reducer which is capable of handling 5 times the rated shock loads, ensures uninterrupted power transmission in the operation of mining, steel mills, automation and conveying systems.
Outstanding Efficiency and Accuracy: The Cycloidal gearbox with its 98% mechanical efficiency and ±0.5 arcmin positioning repeatability guarantees the power transfer to be smooth with no losses occurring..
Extended Life Span: A maintenance-free life of 50,000 hours was designed for it when synthetic lubricants are used, hence, it eliminates the costs related to standstill and operating..
Tough Protection: The IP69K sealing system grants operation safety in places where dust, water jets, and chemicals are present..
Quality Assurance Certification: Every unit produced, following ISO 9001:2015, AS9100D, and AGMA/ISO standards, is subjected to 2.5x load testing prior to the shipment.
Product Description and Material Properties
Component | Material | Hardness / Strength | Standard | Key Benefit |
Housing | Forged alloy steel (EN-GJS-600-3) | HRC 30–35 | ISO 4986 | High rigidity, crack resistance |
Cycloid Discs | Case-hardened 18CrNiMo7-6 | Surface HRC 60±2 | DIN 6 Tolerance | Precision surface contact |
Pin Ring | 42CrMo4 (induction-hardened) | HRC 58–60 | ISO 6336 | Shock load durability |
Output Shaft | Through-hardened 100Cr6 | HRC 60±2 | AGMA 6123 | Long service reliability |
Sealing | FKM triple-lip + HNBR O-ring | – | IP69K | Maximum leak and corrosion protection |
Lubrication | Polyurea NLGI 2 / PAO VG 150 | – | DIN 51825 | 50,000-hour service interval |
Standard Physical and Mechanical Properties
Torque Range: 650–48,000 Nm
Reduction Ratio: 1:87 to 1:721
Efficiency: 92–94% at full load
Temperature Range: –40°C to +120°C
Noise Level: 62–70 dB(A) at 1m
XW Series Cycloid Reducer Types & Specifications Table
Model | Reduction Ratio | Rated Torque (Nm) | Input Speed (RPM) | Efficiency (%) | Mount Type | Weight (kg) |
XW-080-FM1 | 1:87 | 650 | 1800 | 93.5 | Foot | 22 |
XW-100-FM2 | 1:101 | 1200 | 1800 | 94.0 | Flange | 36 |
XW-119-FM3 | 1:125 | 2000 | 1500 | 94.0 | Torque Arm | 50 |
XW-150-FM1 | 1:160 | 3500 | 1500 | 93.0 | Foot | 80 |
XW-180-FM2 | 1:210 | 5000 | 1200 | 93.2 | Flange | 110 |
XW-200-FM3 | 1:265 | 7500 | 1000 | 92.5 | Torque Arm | 145 |
XW-220-FM1 | 1:315 | 9500 | 900 | 92.0 | Foot | 175 |
XW-230-FM2 | 1:411 | 12000 | 900 | 91.8 | Flange | 210 |
XW-240-FM3 | 1:580 | 15000 | 800 | 91.5 | Torque Arm | 285 |
XW-250-FM1 | 1:721 | 18000 | 750 | 91.0 | Foot | 325 |
XW Type Cycloid Reducer — Technical Specification Table
Physical Dimensions | Performance Ratings | Material & Construction | Operational Data | Certifications & Lifecycle |
Model Range: XW-3 to XW-85 | Reduction Ratio: 9:1 – 187:1 | QT600-3 Ductile Cast Iron | 1,500 rpm | Design Service Life: ≥ 35,000 h |
Overall Length: 260–980 mm | Rated Output Torque: 480–15,000 Nm | Forged 40CrNiMo, HRC 58–62 | Max Input Speed: 2,000 rpm | ISO 9001:2015 |
Overall Height: 230–820 mm | Peak Torque Capacity: 2.5 × Rated | GCr15 Bearing Steel | Efficiency: 96.5–98.0% | CE Certification |
Overall Width: 200–760 mm | Backlash: ≤ 1 arc-min | 42CrMo, Nitrided | Overload Capacity: 300% (Short Term) | IP69K Protection |
Output Shaft Dia.: Φ35–Φ160 mm | Torsional Stiffness: ≥ 2.3 × 10⁶ Nm/rad | SKF / NSK / FAG | Noise Level: ≤ 65 dB(A) | GB/T 19001 |
Input Flange Dia.: Φ120–Φ420 mm | Torque Density: 40–62 Nm/kg | Triple-Lip Viton / PTFE | Lubrication: Synthetic Gear Oil | RoHS Compliant |
(BCD): Φ150–Φ480 mm | Transmission Accuracy: ≤ 0.8 arc-min | Grade 12.9 Alloy Steel | Oil Capacity: 1.2–12.0 L | ≥ 50,000 h |
Mounting Type: Horizontal / Vertical / Flange | Input Power Range: 0.75–55 kW | Epoxy + Phosphate Coating | Temp.: –40 to +120 °C | 10,000 h |
Unit Weight: 38–820 kg | Shock Load Resistance: Up to 500% | Protection Grade: IP69K | Multi-Position | 24 months |
Working Mechanism of XW Type Cycloid Reducer
The operation of the Cycloidal drive can be broken down into three main phases:
Eccentric Input Motion:An input shaft linked to a motor rotates at high speed and drives an eccentric cam that produces an oscillatory motion.
Cycloidal Disc Engagement:The cycloidal discs roll against the fixed pins, giving rise to a differential motion that diminishes the speed of rotation and increases the torque simultaneously.
Output Power Transmission:The swinging disc through rollers or pins transfers motion to the output shaft, thereby turning high-speed, low-torque input into low-speed, high-torque output—guaranteeing vibration-free and efficient power transfer.
Industries Utilizing XW Type Cycloid Reducer
The XW series reducer is ideal for:
Mining & Metallurgy.
Steel & Rolling Mills.
Waste Management & Dust Collection Systems.
Robotic and Automated Systems.
Conveyor & Material Handling Equipment.
Marine and Offshore Applications.
Chemical & Food Processing Plants.
Key Features of XW Type Cycloid Reducer
1. 15,000 Nm Maximum Torque Capacity
2. Highly Compact, Space-Saving Design
3. 98% Efficiency at Rated Load
4. IP69K Triple-Sealed Protection
5. Maintenance-Free for 50,000 Hours
6. Precision Tapered Roller Bearings for Stability
7. Custom Ratios and Mounting Options Available
Core Components
Forged steel housing for unmatched mechanical strength.
Cycloidal discs and pin-wheel gear train for uniform stress distribution.
High-precision bearings to eliminate vibration and axial play.
Sealed lubrication system to enhance life and reduce maintenance.
Smart inspection ports for easy condition monitoring.
Technical Advantages in Senotay Manufacturing
Senotay’s XW Type Cycloid Reducer reflects advanced engineering precision and material science expertise:
ISO 9001:2015 and AS9100D certified processes.
2.5x rated load testing before shipment ensures reliability.
Custom options for extreme temperatures (–40°C to +150°C).
Surface protection with Zinc-Nickel plating (15μm) and optional HVOF WC-Co coating for 1000-hour salt spray resistance.
Finite Element Analysis (FEA) used for housing stress simulation.
Full CE, ATEX, DNV-GL compliance for global deployment.
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▪ Y5-47 Industrial Blower | 4-72 Industrial Blower | 4-68 Industrial Blower | 9-19 Industrial Blower | 9-26 Industrial Blower
▪ Cycloid Reducer Series
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▪ XLED Type Cycloid Reducer | XW Type Cycloid Reducer | Planetary Cycloid Reducer
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Frequently Asked Questions (FAQs)
Q1: What makes the XW Type Cycloid Reducer different from a planetary gearbox?
A: Unlike planetary gear systems, the cycloidal drive uses rolling contact rather than sliding, dramatically reducing wear and increasing torque density.
Q2: Can the XW series reducer operate in harsh or wet environments?
A: Yes. With IP69K triple-sealed protection, the reducer performs reliably in dusty, wet, or chemically exposed industrial environments.
Q3: What maintenance does it require?
A: It features a sealed oil-bath or grease-filled system, achieving up to 50,000 hours of maintenance-free operation.
Q4: Is customization available?
A: Senotay offers custom flanges, shaft types, and sensor integration (temperature/vibration monitoring), tailor-made for specific applications.
Q5: Where is the XW Type Cycloid Reducer manufactured?
A: All XW Series reducers are manufactured at Senotay’s certified facility in Botou Industrial Development Zone, Hebei Province, China.
