Опис
EP-RPR3046 Planetary Gearbox
EVER POWER 3-Stage Compact Planetary Gearbox ?? Higher Reduction for Automation
The EP-RPR3046 adds a third planetary stage to the RPR046 housing, raising peak output torque to 7,800 Nm and ratio range to 100:1 while maintaining the same external footprint as the 2-stage RPR2046. This makes it the first choice when servo or induction motors need a high reduction ratio ?? such as slow-speed rotary tables, indexing mechanisms and material handling lifts ?? without enlarging the machine frame.
Technical Parameters
| Parameter | Value |
|---|---|
| Model | EP-RPR3046 |
| Replaces | Brevini riduttori RPR3046 |
| Max Output Torque | 7,800 Nm |
| Gear Stages | 3 |
| Ratio Range | 20:1 – 100:1 |
| Max Input Speed | 3,500 rpm |
| Protection Class | IP65 |
| Approx. Weight | ~24 kg |
Working Principle
Three sequential planetary stages share the same concentric axis. Stage 1 handles the high-speed motor input at up to 3,500 rpm. Stage 2 and 3 multiply torque further with each reducing input speed proportionally. The floating sun gear in stage 2 compensates for carrier concentricity errors between stages, eliminating the need for precision alignment at assembly and improving load sharing across all planet gears simultaneously.
Core Advantages
|
▲ 100:1 High Ratio
3-stage design covers slow-speed applications that a 2-stage cannot reach. |
▲ Same Footprint as RPR2046
No machine redesign needed when upgrading from 2-stage to 3-stage. |
|
▲ Floating Sun Stage 2
Compensates inter-stage concentricity, improving load sharing and life. |
▲ Angular Contact Output
Handles combined axial and radial loads from cantilevered drive elements. |
|
▲ Direct RPR3046 Replacement
Identical flange dimensions ?? bolt-in replacement. |
Structure and Material Technology
The 3-stage housing is cast from GGG40 ductile iron for stiffness. Planet gears throughout all three stages use 17CrNiMo6 steel, carburised and ground to DIN 5 accuracy. Angular contact ball bearings support the output shaft, providing combined axial and radial load capacity for cantilevered gear or sprocket loads.
Typical Application Scenarios
| Industry | Application | Key Requirement |
|---|---|---|
| Automation | Slow-speed rotary table drive | 100:1 ratio provides smooth, precise table rotation from a standard motor. |
| Material Handling | Goods lift / vertical conveyor | High reduction allows small motor to drive heavy loads at low speed. |
| Printing | Web tension control dancer roll | 3-stage accuracy maintains consistent web tension across print width. |
| Food Processing | Mixing and dosing conveyor | IP65 sealing handles food-grade wash-down on external surfaces. |
Selection Guide
- Required Output Torque (Nm) ?? Confirm peak and continuous torque requirement with appropriate safety factor.
- Gear Ratio ?? Motor speed (rpm) divided by required output speed (rpm).
- Duty Cycle ?? Continuous S1 or intermittent S3/S6; affects thermal de-rating.
- Motor Interface ?? Flange type (SAE/ISO), shaft diameter, keyway or spline specification.
- Environment ?? IP class, ambient temperature, corrosion zone, orientation.
Contact our engineering team for a free application sizing review.
Brevini RPR3046 vs. EVER POWER EP-RPR3046
Important Notice: EVER POWER references the Brevini riduttori RPR3046 model number solely to assist customers in identifying a compatible replacement. We do not manufacture, sell, or claim any affiliation with Brevini. No trademarks or intellectual property of Brevini are reproduced or infringed. Our EP-RPR3046 is an independently designed and manufactured product that is dimensionally and functionally compatible.
| Aspect | Brevini RPR3046 | EVER POWER EP-RPR3046 |
|---|---|---|
| Price | OEM premium | Competitive |
| Lead Time | 6-12 weeks | 2-4 weeks |
| Floating Sun | Not standard | Stage 2 standard |
| Output Bearing | Radial only | Angular contact std |
| Warranty | 12 months | 18 months |
EVER POWER also supplies matched electric and hydraulic motors for complete drive system packages. Enquire about motor pairing.
Quality Certifications and Service Commitment
- ISO 9001:2015 certified manufacturing and quality management.
- CE Marking ?? EU Machinery Directive 2006/42/EC compliant.
- 18-month warranty from shipment date on all EP-RPR3046 units.
- Technical response within 48 hours for field issues.
- Spare parts and seal kits stocked for rapid dispatch.
Learn more at EVER POWER About Us.
Case Studies ?? Engineer Field Notes
| Country | Application | Feedback |
|---|---|---|
| Italy | Rotary table drive for CNC machining centre | “100:1 ratio from a standard servo motor eliminated the need for a gearmotor package. Space saving was significant.” ?? Machine Builder, Turin. |
| South Korea | Vertical goods lift, electronics factory | “3-stage torque capacity handled our 800 kg load with a 0.75 kW motor. Energy saving versus previous larger motor was immediately measurable.” ?? Plant Engineer, Suwon. |
| Brazil | Mixing conveyor, sugar mill dosing system | “IP65 sealing handled the sugar dust environment well. No seal failure after 18 months continuous operation.” ?? Process Engineer, Sao Paulo. |
Frequently Asked Questions
Q: What is the efficiency of the 3-stage design?
A: Each stage has >= 96% efficiency. Three stages combined: >= 88.5% overall. This is suitable for most continuous industrial duty applications.
Q: Can I use the same motor as my existing RPR2046 installation?
A: Yes, provided the motor speed and torque are within the EP-RPR3046 input rating. The input flange dimensions match the RPR2046 family.
Partner With EVER POWER
EVER POWER supports OEM machine builders, engineering contractors and maintenance teams worldwide. Browse our full replacement range, explore our manufacturing capabilities, or contact us today for a fast quotation. Visit planetary-gear-box.top for the complete EVER POWER portfolio.
