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GPRO DRIVES

Worm Planetary Gearbox

Leading Worm Planetary Gearbox Manufacturer in India

Planetary gearbox with lifting eyebolt and output flange
Planetary gearbox rear view showing input shaft and mounting flange

Overview


GPRO Drives is a leading manufacturer of Worm Planetary Gearboxes, engineered to deliver smooth, high-torque power transmission for demanding industrial applications. Manufactured with precision-machined, case-hardened sun and planet gears supported by heavy-duty anti-friction bearings, our worm planetary gearboxes provide superior load capacity, reliable performance, and extended service life. Available in a wide range of gear ratios, mounting options, and input/output configurations, they are designed to meet the diverse requirements of modern industries.

Key Benefits of Worm Planetary Gearbox :

  • Deliver high torque at low operating speeds for heavy-duty industrial machinery.
  • Ensure smooth, quiet, and reliable power transmission with minimal maintenance.
  • Optimize performance and operational efficiency while maintaining a compact and space-saving design.

Get the Right Worm Planetary Gearbox for Your Application

Features Of These Worm Planetary Gearboxes


● Optimum Performance:

Our Worm Planetary Gearboxes are engineered to deliver smooth, efficient, and consistent performance, ensuring reliable power transmission across demanding industrial applications.

● Lightweight & Highly Reliable:

Designed with a compact and lightweight construction, these gearboxes offer exceptional reliability, reduced installation space, and dependable long-term operation.

● Extended Service Life:

Manufactured using premium-quality materials and precision-engineered components, our gearboxes provide outstanding durability with a long operational lifespan.

● High Torque & Wide Gear Ratios:

Available with torque capacities ranging from 4 Kg.m to 10,000 Kg.m and gear ratios from 3:1 to 15,000:1, making them suitable for diverse industrial applications.

● Flexible Power & Mounting Options:

Supports input power from fractional HP up to 100 HP and offers multiple mounting configurations, including Foot, Flange, and Agitator mounting.

● High Efficiency & Low Maintenance:

Engineered for precise functionality, our Worm Planetary Gearboxes deliver efficient performance, require minimal maintenance, and ensure reliable operation in continuous-duty applications.

Technical Data



Mounting

Options: Foot & Flange.

Input Configuration

Input: Hollow Shaft for Electric/Hydraulic Motor & Male Free Shaft

Orientation

B3 – Horizontal
V5 – Vertical Downward
V6 – Vertical Upward

Cooling & Lubrication

Cooling: Splash-type air cooling (forced cooling available on request).

Performance

Ambient Temperature: 40°C. Allowable Temperature Rise: 45°C above ambient.

Key Advantages

Benefits: Right-angle input/output design for compact installation.


Standards & Applications

Standards: AGMA, ISO & IS.

Accessories & Finish

Accessories: Oil Cup Assembly for V5 & V6 orientations.
Paint Finish: Standard RAL Blue; custom colors available on request.

Technical specification

We Give Best Business Solution — we cater to the needs of our clients by manufacturing, exporting and supplying various equipment such as Planetary Gearboxes, Hydraulic Winch, Screw Jack, Bevel Drives, Worm Drives, and more.

Mounting Foot / Flange
Input Hollow to suit Electric / Hydraulic Motor
Male free shaft (for mounting coupling, pulley, sprocket etc.)
Orientation B3 (Horizontal)
V5 (Vertically Downward)
V6 (Vertically Upward)
Efficiency 98% per stage
Ambient temp. 40 °C
Allowable temperature rise 45 °C above ambient temp.
Ratio range From 27:1 up to customer requirement
Output torque range From 12 kg·m to 60,000 kg·m
Input power From 0.16 Hp / 0.12 kW to 500 Hp / 375 kW
Max. input speed 1440 rpm (for higher/lower speed, consult GPRO)
Paint shade Standard: RAL Blue; Special: Other colours available upon request.
Method of cooling STD: splash-type lubrication, air-cooled · SPL: forced cooling can be provided against specific customer requirement
Lubrication Model 501 gearbox is filled with grease; ISO VG 220/320 synthetic base oil. STD: gearbox supplied without oil · SPL: gearbox supplied with oil against specific customer requirement
Standard accessories For orientation V5 & V6, oil cup assembly will be provided
Applicable standards AGMA, ISO, IS
Advantage Input & output are at right angle to each other, hence occupies less length; low noise
Disadvantage Low efficiency (60% for single stage, 45–50% for multistage gearbox)
Application Material handling, Paper, Rubber, Food Industry, Automation, Textile

FAQs


Q1. What is the advantage of combining a worm gear stage with a planetary stage?

Combining a worm gear stage with planetary gearing allows a single unit to achieve a high reduction ratio (from the worm stage) along with strong torque-handling capacity (from the planetary stage), in one compact housing.

Many worm gear configurations offer a degree of self-locking (resisting back-drive from the output side), depending on the lead angle and gear ratio — useful in holding or anti-reverse applications, though this shouldn’t be relied on as a sole safety mechanism without engineering confirmation.

Worm gear stages generally have lower mechanical efficiency (often 50-90% depending on ratio and lead angle) compared to helical or planetary stages, due to the sliding contact between worm and wheel — a trade-off for high single-stage reduction and compact design.

GPRO’s worm planetary gearboxes are configured to combine high worm-stage ratios with planetary-stage torque multiplication — contact our team with your input speed and required output torque for exact ratio options.

 This configuration suits applications needing high reduction ratios with strong torque output in a single unit, such as certain material handling and industrial rotary drives where space and ratio requirements rule out simpler gear stages alone.