Rotary Kiln & Girth Gear Manufacturer – OP Engineering Group

Leading Rotary Kiln Manufacturer, Supplier & Exporter in India

OP Engineering Group is a trusted name in the field of Rotary Kiln manufacturing, Girth Gear production, and industrial kiln spare parts supply. We specialize in delivering high-performance, heavy-duty solutions for industries such as cement, sponge iron (DRI), steel, chemical, and mineral processing.

With advanced manufacturing technology and an experienced engineering team, we provide custom-built rotary kiln systems and precision-engineered components designed for long-lasting performance, efficiency, and reliability.

What is a Rotary Kiln?

A Rotary Kiln is a large rotating cylindrical furnace used for processing materials at high temperatures. It is one of the most critical machines in thermal industries, ensuring:

Uniform heating of raw materials
Controlled chemical reactions
Continuous production process
Consistent product quality

It is widely used for calcination, reduction, drying, and thermal processing applications.

Rotary Kiln Capacity & Design Specifications

At OP Engineering Group, we manufacture rotary kilns as per client-specific requirements:

Capacity Range: 50 TPD to 900 TPD
Fuel Options: Coal, Gas, Oil-fired systems
Design Standards: As per customer drawings (Lurgi, FLSmidth, Metso, etc.)
Material: High-grade alloy steel & cast steel
Application-Based Customization Available

Our kilns are designed for continuous heavy-duty industrial operations with minimal maintenance.

Rotary Kiln Girth Gear Manufacturer

We are a leading manufacturer and supplier of Rotary Kiln Girth Gears used in sponge iron plants, cement plants, and rotary coolers.

Importance of Girth Gear

The girth gear is a key component mounted on the kiln shell. It plays a vital role in:

Transmitting rotational motion
Ensuring smooth kiln operation
Handling heavy loads and high temperatures

Girth Gear Technical Specifications

We manufacture girth gears as per industry standards and client requirements:

Module: As per specification
Number of Teeth: Custom-designed
Material Grades: IS 2708 Grade 2/3, IS 2644 CS 700, Alloy Steel (GS34CrMo4)
Design Compatibility: POPURI, IPS, ITC, MEC, LURGI & others
Certification: As per required quality standards

Rotary Kiln & Cooler Spare Parts We Offer

OP Engineering Group provides a complete range of kiln and cooler spare parts:

Kiln Tyre (Riding Ring)
Girth Gear
Pinion Gear (Helical / Spur)
Support Roller
Thrust Roller Assembly
Bearing Housing / Plummer Block
Labyrinth Rings (Bearing Sleeves)
Spring Plates & End Covers
End Plates, Nut Bolts & Washery Pins
Kiln Shell
Gear Housing & Drive Components
Base Frame & Structural Parts

All parts are manufactured with high precision, durability, and strict quality control.

Advanced Manufacturing Process of Girth Gear

We follow a modern and systematic manufacturing process to ensure top-quality output:

1. Design & Engineering

Customized design using advanced CAD tools based on client requirements.

2. Casting Simulation

Simulation software is used to analyze material behavior, cooling rate, and defect prevention.

3. Casting Process

High-quality sand casting method is used to achieve accurate gear shape and strength.

4. Blanking & Gear Cutting

Initial shaping using processes like:

Hobbing
Milling
Broaching
Shaping

5. Heat Treatment

Enhancing mechanical properties through:

Carburizing
Quenching & Tempering
Normalizing
Annealing

6. Gear Machining & Finishing

Precision machining ensures:

Accurate tooth profile
Smooth operation
Long service life

7. Quality Testing & Inspection

Dimensional inspection
Hardness testing
Performance checks

8. Packaging & Delivery

Heavy-duty wooden packaging ensures safe transportation across India and international markets.

Key Features of Our Rotary Kiln & Girth Gears

Designed for heavy load and high temperature conditions
High-strength cast steel construction
Smooth and efficient power transmission
Long operational life with low maintenance
Precision tooth design for vibration-free operation
Reliable performance in continuous industrial use

Applications of Rotary Kiln & Spare Parts

Our products are widely used in:

Sponge Iron (DRI) Plants
Cement Plants
Steel & Metallurgical Industries
Chemical Processing Plants
Activated Carbon Plants
Fertilizer Plants
Sugar & Paper Mills
Mineral Processing Industries

Pan India & Global Supply

OP Engineering Group supplies across India including:

Maharashtra, गुजरात, Karnataka
Tamil Nadu, Odisha, Jharkhand
Chhattisgarh, West Bengal, Telangana
Haryana, Himachal Pradesh & more

We are also expanding our reach in international markets, serving clients with high-quality industrial components globally.

Why Choose OP Engineering Group?

✔ Complete Rotary Kiln Solution (Kiln + Girth Gear + All Spares)
✔ Custom Manufacturing as per client design
✔ Advanced Manufacturing Process (Simulation to Testing)
✔ High-Quality Raw Materials
✔ Competitive Pricing
✔ Timely Delivery & Strong Logistics
✔ Experienced Engineers & Technical Support

Conclusion

OP Engineering Group is your reliable partner for Rotary Kiln systems, Girth Gear manufacturing, and industrial spare parts solutions.

With a strong focus on quality, engineering excellence, and customer satisfaction, we deliver products that ensure maximum efficiency, durability, and productivity.