توضیحات
EP-EQ4155 4-Stage Ultra-High Ratio Planetary Gearbox
Brevini Riduttori EQ4155 Compatible Replacement | EVER POWER
The EQ4-series achieves ratio ranges up to 500:1 in a single housing by stacking four planetary stages ?? the highest reduction option in the EC/EM family. Designed for very slow-speed drives, large industrial positioning systems, antenna and telescope slew drives, kiln and furnace car drives, and large-scale material handling applications where output speed is measured in RPM fractions and maximum torque is non-negotiable.
The EP-EQ4155 replaces the Brevini riduttori EQ4155 ?? a 4-stage planetary gearbox delivering approximately 59,500 Nm output torque, ratio range 50:1 – 500:1, and IP rating IP66.

پارامترهای فنی
| پارامتر | ارزش |
|---|---|
| مدل | EP-EQ4155 |
| جایگزینها | Brevini riduttori EQ4155 |
| Output Torque | 59,500 Nm |
| مراحل دنده | 4 |
| محدوده نسبت | 50:1 – 500:1 |
| حداکثر سرعت ورودی | 3,000 rpm |
| کارایی | >= 92% |
| کلاس حفاظت | IP66 |
| وزن تقریبی | ~354 kg |
اصل کار

Four coaxial planetary stages cascade speed reduction and torque multiplication. Stage 1 handles the high-speed motor input; each successive stage multiplies torque while halving speed. The 4-stage design uses a dual-seal output shaft arrangement ?? a primary FKM lip seal plus a labyrinth ?? providing redundant protection against dust and slurry ingress in the slow-speed, high-torque industrial environments where EQ4 units are most commonly deployed.
مزایای اصلی
|
● Up to 500:1 Single Housing
Eliminates tandem gearbox arrangements for extreme ratios. |
● Dual-Seal Output Shaft
Primary FKM seal plus labyrinth ?? redundant ingress protection. |
|
● IP66 Standard Sealing
Outdoor and wet industrial environment rated. |
● 4-Stage Torque Density
Maximum torque for given housing size in the EC/EM range. |
|
● Direct EQ4-Series Replacement
Identical flange and port dimensions. |
فناوری سازه و مواد

All four stages use 17CrNiMo6 carburised and ground steel gears. Output stage planet journals run on needle roller bearings with hardened pins for maximum radial stiffness. The housing is cast from چدن داکتیل GGG50 with H7 bore tolerances throughout. External coating is epoxy-chromate primer for C4 corrosion zone service.
سناریوهای کاربردی معمول
| صنعت | کاربرد | مزیت کلیدی |
|---|---|---|
| فراساحلی | Deck crane main drive | High torque for offshore crane main hoist and travel drives. |
| کاغذ | Large web tension drive | Precise torque for winding tension control on wide paper webs. |
| معدنکاری | Large scraper conveyor | High starting torque for fully-loaded scraper chain conveyor. |
| انرژی | Hydroelectric gate drive | Reliable slow-speed drive for large penstock gate actuation. |
راهنمای انتخاب
- گشتاور خروجی مورد نیاز (نیوتن متر) ?? Confirm peak and continuous with safety factor (1.3-2.0 typical).
- نسبت دنده ?? Motor speed (rpm) / required output speed (rpm).
- تعداد مرحله ?? 4-stage (4-stage) provides ratio 50:1 – 500:1.
- رابط موتور ?? Flange type (SAE/ISO metric), shaft diameter and key.
- محیط عملیاتی ?? IP class, ambient temperature, mounting orientation.
Contact our engineers for a free application sizing review.
Brevini EQ4155 vs. EVER POWER EP-EQ4155
Notice: EVER POWER references Brevini riduttori EQ4155 solely for customer cross-reference. We are not affiliated with Brevini. Our EP-EQ4155 is an independently designed product that is dimensionally and functionally compatible. No Brevini trademarks or intellectual property are reproduced.
| جنبه | Brevini EQ4155 | EVER POWER EP-EQ4155 |
|---|---|---|
| قیمت | OEM European premium | Competitive ?? 30-45% saving typical |
| زمان سرب | 6-16 weeks depending on size | 2-6 weeks |
| مراحل دنده | 4 | 4 |
| گارانتی | استاندارد ۱۲ ماهه | استاندارد ۱۸ ماهه |
| سفارشیسازی | Limited | نقشه های OEM/ODM پذیرفته شده است |

EVER POWER همچنین تأمین میکند matched electric and hydraulic motors برای بستههای کامل سیستم محرکه. Enquire about motor pairing.
گواهینامههای کیفیت و تعهد به خدمات
- ایزو ۹۰۰۱:۲۰۱۵ certified manufacturing and quality management.
- نشان CE ?? EU Machinery Directive 2006/42/EC compliant.
- گارانتی ۱۸ ماهه from shipment date covering all EP-EQ4155 manufacturing defects.
- 48-hour technical response for field issues.
- Seal kits and wear parts stocked for rapid dispatch.
Learn more at قدرت ابدی درباره ما.
Case Studies ?? Engineer Field Notes
| کشور | کاربرد | بازخورد مشتری |
|---|---|---|
| USA | Wind turbine yaw drive replacement, wind farm | “18-month warranty accepted by our turbine OEM. Zero failures across 12 units in first year.” ?? O&M Manager, Texas. |
| Germany | Large belt conveyor overland drive, mine | “Efficiency match with original spec confirmed on our test bench. Lead time was half of OEM.” ?? Technical Director, Cologne. |
| شیلی | درایو آسیاب غلتکی عمودی، کارخانه سیمان | “Energy saving versus our previous inefficient gearbox was measurable on the monthly electricity bill.” ?? Plant Manager, Antofagasta. |
سوالات متداول
Q: What is the minimum output speed achievable?
A: With a 3,000 rpm input and the 500:1 maximum ratio, minimum output speed is 6 rpm. Lower speeds require a proportional reduction in input speed.
Q: Can the EQ4-series handle reversing loads?
A: Yes. All four stages are rated for equal forward and reverse torque. Fatigue life calculations assume 50/50 direction split.
با EVER POWER همکاری کنید
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