Technical Specification

Manufactured by Gyros Gears Industries®

Product Overview

Gyros Gears Industries® designs and manufactures heavy-duty 2500 mm Diameter Ring Gears engineered for high-torque, large-diameter applications. Precision-machined on advanced CNC and German gear-cutting machines, these ring gears deliver exceptional load-carrying capacity, smooth transmission, and long operational life in the most demanding industrial environments.

Technical Specifications

1. General Parameters

• Product Type: External Ring Gear / Girth Gear
• Outer Diameter: 2500 mm (2.5 meters)
• Face Width: Customizable (typically 200–450 mm depending on application)
• Module Range: M8 to M30 (as per design requirement)
• Gear Accuracy Standard:
• AGMA 10–12
• DIN 8–10 (optional higher precision available)

2. Material Specifications

• Material Options:
• EN 8 / C45 (medium carbon steel)
• EN 19 / 42CrMo4 (alloy steel with higher tensile strength)
• EN 24 / 817M40 (for extreme shock & fatigue applications)
• Hardening Options:
• Induction hardened teeth
• Case hardening / Carburizing
• Nitriding
• Surface Hardness: 45–58 HRC (based on hardening process)

3. Manufacturing Process

• CNC turning of gear blank
• Stress relieving of forged/cast blanks
• Precision gear hobbing on LIEBHERR 2.5 m capacity machine
• OD/ID final machining for run-out accuracy
• Tooth profile grinding (optional)
• Dynamic balancing (if required)

4. Mechanical Properties

• Tooth Profile: Full-depth involute
• Pressure Angle: 20° / 22.5° / 25° (customer-specified)
• Run-Out Accuracy: ≤ 0.03–0.05 mm (depending on diameter)
• Concentricity: ≤ 0.02 mm
• Load Capacity: Engineered for heavy torque & continuous duty cycles
• Backlash: As per application (mill drives, rotary kilns, ball mills, mixers, cranes, etc.)

5. Application Suitability

Ideal for:

• Ball mills
• Rotary kilns
• Cement plants & steel mills
• Cranes & winches
• Heavy lifting mechanisms
• Mining equipment
• Industrial drives requiring large diameter gears

6. Quality & Testing

Every 2500 mm ring gear manufactured by Gyros Gears Industries® undergoes:

• Dimensional inspection on CMM
• Tooth profile measurement
• Hardness testing
• Crack detection test (MPI / Dye penetrant)
• Run-out and pitch testing
• Material chemical test (as required)

7. Customization Options

• Split type ring gear (2-piece / 4-piece)
• Custom bolt hole PCD
• Hub design as per drawing
• Special coatings: phosphating, shot-blasting, primer paint
• Matching pinions available (spur/helical)

8. Manufacturing Capabilities

• Max Diameter Capacity: Up to 2500 mm
• Max Module Capacity: Up to 30 Module
• Max Face Width: Up to 450 mm
• Advanced German machine infrastructure ensures precision, strength and durability.

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Applications of 2500 mm Ring Gear

The 2500 mm Ring Gear manufactured by Gyros Gears Industries® is engineered for heavy-duty power-transmission systems where large-diameter gears are essential for torque multiplication, load distribution, and precise rotary motion. These gears are trusted across core industries requiring high mechanical efficiency and long service life under extreme operating conditions.

Industrial Applications

• Cement Plants: For rotary kilns, ball mills, and coolers where continuous, high-torque transmission is required.
• Steel & Rolling Mills: Used in rotary drums, sintering machines, and furnace drives for heavy-load rotation.
• Mining & Mineral Processing: Ideal for ore crushers, grinding mills, and bucket wheel excavators.
• Power Generation: Employed in coal mills, ash handling systems, and rotary feeders.
• Material Handling Equipment: Suitable for cranes, winches, hoists, and slewing mechanisms.
• Sugar & Paper Industries: For rotary diffusers, dryers, and mixing drums.
• Wastewater & Environmental Systems: Used in clarifiers, agitators, and aeration drives where slow, steady rotation is needed.

At Gyros Gears Industries, every gearbox is Built to Rotate, Born to Last.

Explore our complete range at www.gyrosgears.com

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