Inline Helical Gear Box
What is an Inline Helical Gearbox
Inline helical gearbox-also frequently referred to as coaxial helical gearboxes or Coaxial helical gear reducers-represent a mainstream category of modular reduction equipment within the field of industrial power transmission. Their defining characteristic is a coaxial layout wherein the input and output shafts are aligned along the same axis. Unlike parallel-shaft reducers, these units feature a highly compact overall structure, a smaller physical footprint, and ease of installation; furthermore, by incorporating a high-precision helical gear transmission mechanism, they deliver smoother operation, lower noise levels, and superior transmission efficiency.










Smooth Operation
The helical gears employ a progressive meshing mechanism, resulting in minimal impact and low vibration, making them ideal for continuous-duty applications.
High Load-Bearing Capacity
With multiple teeth engaging simultaneously, the system is capable of withstanding substantial radial loads and torque.
Low Noise
The optimized tooth profile design effectively reduces mechanical noise, making the unit suitable for environments with strict requirements regarding operating noise levels.


| Model | R17,R27,R37,R47,R57,R67,R77,R87,R97,R107,R137,R147,R167,R187 |
| Ratio | 1.3~289.74 |
| Output torque | 10Nm - 26000Nm |
| Input power | 0.12~200KW |
| Gear structure | Two-Stage/Three-Stage |
| Efficiency | 94% - 96% |
| Gear material | Alloy Steel Hardened Gear Teeth |


































Q1: Does the product hold the necessary certifications, and is it eligible for export?
A1: The complete unit possesses a comprehensive set of credentials-including ISO 9001 Quality Management System certification and CE (EU) export certification-and complies with global standards for industrial equipment. It is eligible for export to various countries and regions worldwide.
Q2: What is the equipment's service life, and what after-sales support is provided?
A2: The equipment is constructed using high-strength, wear-resistant materials, offering a service life of over 20,000 hours under standard operating conditions. We provide a one-year warranty.
Q3: Why Choose Us?
A3: Direct Factory Strength: With 30 years of dedicated expertise in the R&D and manufacturing of gear reducers, we possess a complete production line and comprehensive testing equipment. Our annual shipment volume exceeds 300,000 units, ensuring a stable and reliable supply.
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