ZLY Series External Helical Gearbox
ZLY Series External Helical Gearbox is built for inline transmission where input and output shafts remain aligned along the same axis. The structure maintains stable torque flow without directional change, which helps keep motion consistent across long operating cycles. Hardened gear surfaces support repeated load transmission, while the internal layout balances mechanical forces. This configuration allows the gearbox to operate steadily in systems that require continuous motion and controlled speed output.
Advantages
Engineered for reliability, efficiency, and flexibility, our products deliver stable performance across diverse industrial applications.
🟢 Gears made of high-strength low-carbon alloy steel, carburized and quenched; tooth surface hardness up to HRC 58–62, NC ground for high precision and excellent contact.
🟢 High transmission efficiency: single-stage >96.5%, two-stage >93%, three-stage >90%.
🟢 Smooth operation with low noise.
🟢 Compact structure, lightweight, long service life, high load capacity.
🟢 Easy disassembly, inspection, and assembly.
External Helical Gearbox For Inline Transmission Systems
External helical gearbox transmits power along a straight axis where input and output shafts remain aligned. This configuration avoids directional change during transmission, which keeps torque flow direct and reduces structural complexity within the system.
Inline Gear Arrangement For Stable Shaft Alignment
- Input and output shafts remain on the same axis
- Direct transmission path reduces internal deviation
- Hardened gear surfaces support repeated load transfer
- Compact layout supports long-cycle operation
The transmission path follows a linear direction from input to output. This arrangement changes how forces move through the gearbox. Instead of redirecting motion, the system carries torque forward, which helps maintain alignment between connected components.
Shaft alignment influences how the gearbox behaves under load. When the load increases, force remains distributed along the same axis, which reduces bending effects on internal components. This keeps rotation stable and limits unnecessary mechanical variation during operation.
Gear surface treatment supports long-term performance under repeated cycles. The material maintains strength during continuous use, while the internal structure keeps motion consistent across different operating conditions.
The gearbox adapts to systems where layout simplicity and stable inline motion matter. External helical gearbox fits applications that require direct transmission, steady rotation, and consistent output without directional conversion.
Technical Specifications
Industry Applications
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Food & Beverage Processing
Mixers, filling machines, bottling lines -
Packaging & Automation Equipment
Packaging lines, assembly machines, automated sorters -
Material Handling & Conveying
Conveyors, hoists, cranes, automated transfer systems -
Metalworking & Machine Tools
CNC machines, lathes, presses, milling machines
Browse our case studies or talk directly with our engineers to discuss your application.
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