What is Bipolar Cycloid Reducer XWE?
The Bipolar Cycloid Reducer XWE is a very high-precision power transmission system of an entirely new generation. This dual-disc cycloidal reducer merges cutting-edge cycloidal motion tech with a bipolar load distribution design. It brings about torque density, efficiency, and accuracy that no other device can match, thus it is preferred in all such industrial sectors even with the most stringent requirements. The XW The Bipolar Cycloid Reducer XWE is a very high-precision power transmission system of an entirely new generation.
The XWE series reducer is capable of taking a torque of as much as 9,500 Nm, allowing for an angular backlash of just 1 arcmin, while at the same time providing 97.5% mechanical efficiency, thus, it is very reliable even for the most extreme working conditions.E series reducer is capable of taking a torque of as much as 9,500 Nm, allowing for an angular backlash of just 1 arcmin, while at the same time providing 97.5% mechanical efficiency, thus, it is very reliable even for the most extreme working conditions.
What are the Advantages of XWE Bipolar Cycloid Reducer?
Investing in the Bipolar Cycloid Reducer XWE equates to investing in performance, exactness, and durability. The main reasons why the top players of the industry choose it are:
Harsh Environments: The product is built to handle the most extreme conditions, which includes sudden impact loads, ongoing operations and temperatures as high as 140°C.
Control Motion with Precision: The mechanical equivalent of a sub-arcminute accuracy is smooth and repeatable motion, which is perfect for CNC, automation, and robotics.
Space-Efficient Design: The compact dual-disc shape allows for a high torque output in installations with limited space.
Military-Grade Durability: Manufacturing from EN-GJS-500-7 ductile iron or A356-T6 (optional) aluminum guarantees that the product will last even in corrosive or high-load areas.
Certified Worldwide: The product has gained ISO 9001:2015, CE, ATEX, and DNV-GL Marine certifications, thus meeting the international standards.
Product Description and Material Properties
The XWE Series bipolar cycloid reducer is meticulously engineered for heavy-duty industrial applications, combining precision-ground cycloidal discs with a hardened drive interface. Every component is designed for maximum thermal, structural, and dynamic stability.
Property | Specification / Material | Standard / Certification |
Housing Material | EN-GJS-500-7 Ductile Iron / A356-T6 Aluminum | ISO 4986 Certified |
Cycloid Discs | 17CrNiMo6 (Case-Carburized) | Case Depth: 1.2–1.5 mm |
Bearings | Cronidur 30 / AMS 5898 | Premium Hybrid Ceramic |
Seals | FKM Triple-Lip + Magnetic Labyrinth | IP68 Protection |
Lubrication | PFPE Grease / PAO Oil Bath | MIL-PRF-32073 Approved |
Torque Output | 500 – 65,000 Nm | ±2% Accuracy |
Efficiency | Up to 97.5% | ISO/TR 14179-1 |
Noise Level | 52–68 dB(A) | ISO 3744 Compliant |
Types of Bipolar Cycloid Reducer XWE Series
Model Type | Reduction Ratio (i) | Rated Torque (Nm) | Input Speed (RPM) | Efficiency (%) | Backlash (arcmin) | Weight (kg) |
XWE-87-075-FM1 | 1:87 | 500 | 1500 | 93 | <2 | 18 |
XWE-119-100-FM2 | 1:119 | 950 | 1500 | 92 | <2 | 35 |
XWE-171-125-FM3 | 1:171 | 1800 | 1000 | 91 | <2 | 58 |
XWE-231-150-FM1 | 1:231 | 2400 | 1500 | 90 | <2 | 85 |
XWE-289-175-FM2 | 1:289 | 3500 | 1000 | 89 | <2 | 115 |
XWE-391-200-FM3 | 1:391 | 4500 | 1000 | 89 | <2 | 160 |
XWE-513-225-FM2 | 1:513 | 5800 | 1000 | 88 | <2 | 225 |
XWE-721-250-FM1 | 1:721 | 9500 | 1000 | 88 | <1 | 320 |
XWE-900-275-FM2 | 1:900 | 15,000 | 1000 | 88 | <1 | 420 |
XWE-1100-300-FM3 | 1:1100 | 65,000 | 1000 | 88 | <1 | 720 |
Bipolar Cycloid Reducer XWE — Technical Specification Table
Physical Dimensions | Performance Ratings | Material & Construction | Operational Data | Certifications & Lifecycle |
Model Range: XWE-5 to XWE-63 | Reduction Ratio: 11:1 – 121:1 | QT500-7 Ductile Cast Iron | Rated Input Speed: 1,500 rpm | Design Service Life: ≥ 30,000 h |
Overall Length: 210–820 mm | Rated Output Torque: 350–9,500 Nm | Dual 40CrNiMo, HRC 58–62 | Max Input Speed: 2,000 rpm | ISO 9001:2015 |
Overall Height: 180–690 mm | Peak Torque Capacity: 2.2 × Rated | GCr15 Bearing Steel | 96.8–97.5% | CE Certification |
Overall Width: 160–640 mm | Backlash: ≤ 1 arc-min | 42CrMo, Heat-Treated | 250% (Short Duration) | GB/T 19001 |
Output Shaft Dia.: Φ30–Φ120 mm | Torsional Stiffness: ≥ 1.8 × 10⁶ Nm/rad | SKF / NSK / FAG | ≤ 62 dB(A) | RoHS (Optional) |
Input Flange Dia.: Φ100–Φ350 mm | Torque Density: 35–55 Nm/kg | Double-Lip NBR / Viton | Synthetic Gear Oil | MTBF: ≥ 45,000 h |
(BCD): Φ125–Φ420 mm | Transmission Accuracy: ≤ 1 arc-min | Grade 12.9 Alloy Steel | Oil Capacity: 0.9–8.5 L | 8,000 h |
Mounting Type: Horizontal / Vertical / Flange | Input Power Range: 0.37–45 kW | Epoxy Anti-Corrosion Coating | –30 to +90 °C | ≥ 1.8 million |
Unit Weight: 28–620 kg | Speed Stability: ±0.25% | ISO 1328-5 | Multi-Position | 18–24 months |
Bipolar Cycloid Reducer XWE – Working Mechanism
The XWE series reducer utilizes a dual-disc cycloidal motion principle:
Eccentric Drive Input: A high-speed input shaft energizes an ultra-precise eccentric bearing, generating controlled nonlinear motion.
Dual-Disc Force Distribution: Two opposing cycloidal discs engage simultaneously with stationary pins—achieving 17-point contact for uniform stress distribution.
Torque Multiplication: The resulting 87:1 to 721:1 reduction ratio produces smooth, vibration-free torque output.
Rigid Output Transmission: Hardened output pins transfer torque directly to the output shaft with rigid torsional efficiency—minimizing losses and backlash.
This dual-disc configuration significantly improves vibration damping, torque smoothness, and service life, outperforming traditional planetary gearboxes.
Key Features of the Bipolar Cycloid Reducer XWE
Dual-disc load balancing for zero vibration torque distribution.
<1 arcmin backlash for ultra-precise motion control.
High mechanical efficiency (>97%) under full load.
Compact footprint with superior torque density.
MIL-grade sealing systems preventing oil migration or dust intrusion.
Long operational life — MTBF exceeding 100,000 hours.
Core Components
Cycloidal Discs: Hardened 17CrNiMo6 for superior fatigue resistance.
Pin Tracks: Precision-ground 100Cr6 ring paths for zero slip contact.
Eccentric Bearings: Cronidur 30 hybrid units with anti-corrosion coatings.
Sealing System: Triple-lip FKM + magnetic labyrinth ensuring IP68 protection.
Housing: Rigid Monoblock Ductile Iron body minimizing resonance.
Thermal Management: Optional water-jacket cooling for enhanced performance.
Installation Methods
Mounting Code | Type | Application |
FM1 | Foot-Mounted | Fixed-base installations |
FM2 | Flange-Mounted | Vertical or shaft-driven systems |
FM3 | Torque Arm Mount | Mobile assembly and conveyor drives |
Technical Advantages in Manufacturing by Senotay (Hebei Outai Environmental Protection Equipment Co., Ltd.)
Senotay’s advanced CNC manufacturing, automated testing, and laser alignment systems ensure every XWE series reducer meets rigorous ISO and AGMA performance standards.
Precision grinding under ±5 µm tolerances.
Dynamic rotor balancing to ISO 1940 G2.5.
Automated vibration analysis (ISO 13373).
Thermal simulation validation per ISO 6336.
IoT-enabled vibration and torque monitoring ports for predictive maintenance.
Fully documented QA traceability with lifetime service support.
Frequently Asked Questions (FAQs)
Q1: What makes the XWE series superior to conventional gear reducers?
The dual-disc bipolar cycloid structure eliminates radial bearing loads, ensuring quiet, efficient, and long-lasting performance with 97.5% efficiency at rated load.
Q2: Can the XWE Cycloidal Reducer operate continuously in heavy-duty environments?
Yes. Certified to MIL-STD-810G, it offers continuous reliability under 24/7 mining and metal processing operations.
Q3: How is sub-arcminute accuracy achieved?
Through laser alignment, dynamic rotor balancing, and precision lapping processes maintaining 0.002 mm runout.
Q4: What maintenance does it require?
It uses lifetime PFPE lubrication, eliminating routine oil changes. IoT-ready vibration ports enable predictive maintenance.
Q5: Does Senotay offer custom configurations?
Yes. We provide custom ratios, coating options (HVOF, Nickel, MoS2), and integrated torque sensors to suit your specific industrial requirements.
