Functional Role in Industrial Automation
The KC Series helical geared motor is engineered for heavy-duty industrial applications requiring consistent, high torque transmission with minimal vibration. Designed by a reputable helical geared motor manufacturer, it caters primarily to engineers and system integrators looking for precision and adaptability. This geared motor supplier provides options that support horizontal and vertical mounting, enabling seamless integration into diverse automation environments. The product’s flexibility and durability make it a preferred choice for industries focused on maintaining uptime and reducing maintenance costs while achieving reliable mechanical power transmission.
Technical Specifications and Mechanical Design
Constructed from high-strength 20CrMnTi alloy steel, the KC Series exemplifies advanced engineering standards by combining helical and bevel gearing in a compact design. This helical geared motor features precision-ground gears with grade 5-6 accuracy, ensuring low noise and vibration during operation. It supports motor power ranges from 0.18 to 200 kW with torque outputs up to 50,000 Nm and speeds between 0.15 and 270 rpm. As a helical geared motor supplier prioritizing quality, SLM’s gearboxes undergo rigorous heat treatment and testing, guaranteeing durability and energy-efficient performance that meets stringent industrial benchmarks.
Industrial Applications and Operational Advantages
The KC Series is widely implemented across metallurgical, petrochemical, packaging, and mining sectors, where robust torque delivery and operational stability are critical. Integration as drive units for conveyors, automated packaging systems, and stage machinery underlines the geared motor’s versatility. As a recognized geared motor manufacturer, SLM focuses on delivering products that align with industry standards and facilitate seamless incorporation into extensive manufacturing lines. Its capacity to reduce operational noise and vibration also benefits environments demanding precision and compliance with regulatory standards for efficiency and safety.

Main Parameter:
Output speed: 0.15~270rpm
Output torque: up to 50000Nm
Motor power: 0.18~200kw
Input form: directly connected with motor, flange input or shaft input.
Installation Form: Horizontal, Vertical horizontal type bottom threaded hole, case end face threaded hole installation. Small flange installation, torque arm installation
Product features:
1. KC series helical-bevel gearmotor is the combination transmission structure of helical gears and spiral bevel gears, with large transmission torque and steady running
2. Little vibration and low noise, with large transmission ratio, the transmission efficiency is much higher than SC series.
3. The material of gears is 20CrMnTi alloy steel and the hardness can reach to HRC58°~ 62° after tempering, cementiting, quenching etc. heat treatment. All the gears are processed by accurate grinding and the precision can reach to grade 6~5.
4. The products have been mainly used in petrochemical machinery, metallurgy, printing and packaging machinery, ceramic machinery, mine and construction machinery, stage machinery,etc.

Fast selection:
| Model | Shaft Dia.(mm) | Center Height (mm) |
Output Flange Dia. (mm) |
Power (kw) |
Ratio | Permitted Torque (Nm) |
Weight (KGS) |
|
| Solid | Hollow (H7) |
|||||||
| KC37 | 25k6 | 30 | 100h13 | 160 | 0.12~2.2 | 8~102 | 180 | 13 |
| KC47 | 35k6 | 35 | 112h13 | 200 | 0.18~4 | 8~126 | 380 | 22 |
| KC57 | 35k6 | 40 | 132h13 | 250 | 0.25~5.5 | 8~143 | 580 | 29 |
| KC67 | 40k6 | 40 | 140h13 | 250 | 0.37~7.5 | 8~143 | 680 | 33 |
| KC77 | 50k6 | 50 | 180h13 | 300 | 0.75~11 | 8~175 | 1300 | 45 |
| KC87 | 60m6 | 60 | 212h13 | 350 | 1.5~18.5 | 8~197 | 2500 | 81 |
| KC97 | 70m6 | 70 | 265h13 | 450 | 2.2~30 | 8~197 | 3900 | 150 |
| KC107 | 90m6 | 90 | 315h13 | 450 | 4~45 | 8~197 | 6800 | 230 |
| KC127 | 100m6 | 100 | 375h13 | 550 | 7.5~90 | 8~197 | 11200 | 420 |
| KC157 | 120m6 | 120 | 450h13 | 660 | 11~110 | 8~198 | 11700 | 680 |
| KC167 | 160m6 | 135 | 500h13 | -- | 15~160 | 18~186 | 32000 | 1050 |
| KC187 | 190m6 | 155 | 600h13 | -- | 18.5~200 | 18~186 | 50000 | 1650 |
Remark: the weight without oil and motor, shaft and flange input add 10%.
Product Advantages
Structural and Modular Design Benefits
The KC Series helical geared motor incorporates a compact bevel gearbox design that supports multiple installation orientations, enhancing system modularity and spatial efficiency. Developed by an experienced helical geared motor manufacturer, this design enables straightforward assembly and maintenance within complex automation systems. The use of heat-treated 20CrMnTi alloy steel gears, precision-ground to tight tolerances, ensures structural rigidity and longevity under high loads. This combination of materials and structural engineering positions the product as a premium offering from a reliable geared motor supplier capable of addressing diverse mechanical power transmission challenges.
Operational Performance and Ease of Integration
In operational terms, this helical geared motor provides low vibration and noise levels, enhancing workplace safety and equipment longevity. Its superior transmission efficiency compared to previous series translates to energy savings and reduced operational costs. The gearmotor’s adaptability to horizontal and vertical mounting configurations allows for custom integration tailored to specific system requirements. As a product from a credible helical geared motor supplier, it emphasizes user-centric performance optimization, providing engineers with reliable torque management solutions that contribute to overall system efficiency and maintainability.
SLM (Zhejiang Shuanglian Machinery Co., Ltd.), founded in 1988 in Wenzhou, has grown from a small factory to a leading gear motor manufacturer in China. With over 30 years of industry experience, we’ve been committed to innovation and quality, producing a wide range of gear motors, including cycloidal, helical, and worm types. Our products are trusted in industries such as chemicals, construction, and pharmaceuticals, and we export globally to Europe, America, and Asia.

With advanced facilities and ISO9001:2008 certification, we pride ourselves on delivering reliable solutions to our customers worldwide. Our domestic sales network is expansive, and our global presence continues to grow.
Looking towards the future, SLM is committed to innovation and performance enhancement, aiming to lead the way in industrial automation and smart manufacturing.



Use Scenarios
Heavy Industrial Machinery Drive Systems
In the heavy machinery sector, such as construction or mining equipment, the KC Series helical geared motor serves as the core torque transmission component. Industries operating heavy-duty equipment require gearmotors capable of delivering sustained high torque with minimal maintenance downtime. This geared motor manufacturer’s design complies with rigorous reliability standards, ensuring smooth, quiet operation under heavy loads. The product’s capacity for flexible mounting configurations integrates efficiently into drivetrain assemblies, facilitating consistent performance in severe operating conditions and enhancing equipment lifespan within the industrial workflows.
Automated Packaging and Conveyor Systems
The KC Series is optimally suited for integration into automated packaging lines and conveyor systems, environments demanding compact, high-efficiency gear solutions. As a helical geared motor supplier, SLM provides gearmotors that accommodate space constraints without compromising torque or speed control. The product’s precision gearing ensures stable and low-vibration operation, essential for maintaining product handling quality and throughput consistency. Its modular design permits easy installation alongside motor units, supporting seamless workflow integration and compliance with automation standards, resulting in improved overall line efficiency and reduced maintenance frequency.
We use premium 20CrMnTi alloy steel for the gears, heat-treated to HRC58°–62°, combined with precision-ground gear manufacturing. This ensures high durability and performance for our helical geared motor products suitable for demanding industrial applications.
Yes, as an experienced helical geared motor manufacturer, we offer customization options for motor power, output speed, and torque to match your unique industrial needs, ensuring the gearmotor fits your project specifications accurately.
Our KC Series supports multiple installation forms including horizontal (bottom threaded hole, case end face threaded hole), vertical, small flange, and torque arm configurations. This flexibility helps integrate the gearmotor easily into various automation systems.
We conduct strict quality assurance with air-pressure and running tests for each unit. Our manufacturing follows ISO9001:2008 standards to ensure all geared motor supplier products meet high reliability and durability requirements before delivery.