Product Description
I-MAK IRO Series Gear Units
The I-MAK IRO Series Gear Units are shaft-mounted helical gearboxes designed for mining, quarrying and heavy bulk-material handling. Moreover, their compact mounting arrangement allows the gearbox to connect directly to the driven equipment shaft.
The range supports motor powers from 2.2 to 160 kW. In addition, published ratios extend from approximately 5:1 to 30:1, while maximum torque reaches 7,530 Nm.
Therefore, the IRO Series suits conveyors and industrial machinery that require high load resistance, reliable operation and straightforward maintenance.
Shaft-Mounted Helical Design
A shaft-mounted gearbox connects directly to the driven conveyor shaft. Consequently, the arrangement can reduce the need for a separate base, output coupling and complex alignment work.
Moreover, the helical gears transmit power smoothly between the input and output components. As a result, the gearbox provides dependable torque transmission for continuous industrial duties.
The official catalogue lists 16MnCr5 gear material. Therefore, the gears provide the hardness and wear resistance required for demanding applications.
Key Benefits of the IRO Series
- Shaft-mounted helical construction
- Motor powers from 2.2 to 160 kW
- Ratios from approximately 5:1 to 30:1
- Maximum torque up to 7,530 Nm
- Heavy-load resistance
- Optional backstop protection
- Easy mounting and quick maintenance
- Housing designed for easier cleaning
- Dust-resistant construction
- Torque-arm options
- Hollow-shaft mounting
- Shrink-disc option
- Special shaft and hollow-shaft options
- One-stage and two-stage configurations
- Suitable for harsh industrial environments
Together, these features provide a practical solution for heavy conveyor drives. Moreover, the broad range allows users to match the gearbox with different torque, shaft and motor requirements.
IRO Models and Torque Ratings
The official I-MAK range includes:
- IRO 41–42: Up to 930 Nm; 45 mm hollow shaft
- IRO 51–52: Up to 1,400 Nm; 50 mm hollow shaft
- IRO 61–62: Up to 2,700 Nm; 60 mm hollow shaft
- IRO 71–72: Up to 5,000 Nm; 70 mm hollow shaft
- IRO 81–82: Up to 7,530 Nm; 100 mm hollow shaft
Therefore, smaller models suit moderate conveyor duties. In contrast, larger IRO units support heavier loads and higher motor powers.
However, maximum torque depends on the selected ratio, motor power, service factor and operating conditions. Consequently, users should complete a proper drive calculation before choosing the final model.
Backstop Protection for Inclined Conveyors
Loaded inclined conveyors may move backwards when the drive stops. Therefore, I-MAK offers a backstop arrangement for suitable IRO configurations.
The backstop permits rotation in the operating direction while restricting reverse movement. As a result, it helps keep the conveyor load in position during shutdown.
Moreover, the feature can reduce uncontrolled rollback risks in quarry and mining systems. However, users must specify the required clockwise or counter-clockwise rotation direction when ordering.
Heavy-Load and Dust-Resistant Construction
Mining and quarrying equipment often operates around dust, aggregate and abrasive contamination. Consequently, the gearbox housing must protect its internal components.
The IRO housing is designed for dust resistance and straightforward cleaning. Therefore, maintenance teams can remove accumulated material more easily.
In addition, the robust construction supports heavy conveyor loads. As a result, the gearbox suits continuous material-handling applications in harsh environments.
Flexible Mounting Options
Available configuration options include:
- Hollow output shaft
- Torque arm
- Shrink disc
- Output protection cover
- Special hollow-shaft dimensions
- Hardened hollow shafts
- Splined-shaft options
- Special input-shaft arrangements
- Optional lubricant and seal materials
Therefore, users can adapt the gearbox to different conveyor shafts and operating environments. Moreover, direct shaft mounting can shorten installation time and simplify alignment.
IRO Series Applications in the UAE
The I-MAK IRO Series suits:
- Quarry conveyor systems
- Mining operations
- Aggregate-processing plants
- Inclined belt conveyors
- Crushers and screening plants
- Cement and concrete facilities
- Bulk-material handling
- Sand and gravel processing
- Stockyard conveyors
- Heavy manufacturing plants
- Loading and unloading systems
- Industrial material-transfer equipment
For example, a quarry can use an IRO gearbox on an inclined aggregate conveyor. Similarly, a mining facility can use a backstop-equipped configuration to reduce reverse movement after shutdown.
Selecting the Correct IRO Gear Unit
Correct selection depends on:
- Required output torque
- Required output speed
- Motor power and speed
- Conveyor incline
- Starting and shock loads
- Operating hours
- Hollow-shaft diameter
- Backstop direction
- Mounting arrangement
- Ambient and dust conditions
Therefore, users should calculate the required service factor before ordering. Otherwise, the gearbox may operate above its recommended mechanical capacity.
Why Choose I-MAK IRO Series Gear Units?
The IRO Series combines direct shaft mounting with high-load helical gearing. Moreover, its backstop, torque-arm and dust-resistant options support demanding conveyor installations.
Therefore, it is a strong choice for UAE mining, quarry and bulk-material facilities that require reliable operation, quick mounting and reduced maintenance downtime.
Request an I-MAK IRO Gear Unit in the UAE
Contact our drive specialists for technical selection, specifications and UAE pricing.
Please provide the motor power, input speed, required output speed, output torque, shaft diameter, conveyor angle, operating hours and backstop direction. With this information, our team can recommend the correct I-MAK IRO Series configuration.