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EP-EQ4255 4-Stage Ultra-High Ratio Planetary Gearbox
Brevini Riduttori EQ4255 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-EQ4255 replaces the Brevini riduttori EQ4255 ?? a 4-stage planetary gearbox delivering approximately 119,000 Nm output torque, ratio range 50:1 – 500:1, and IP rating IP66.
Техникалық параметрлер
| Параметр | Құндылық |
|---|---|
| Модель | EP-EQ4255 |
| Алмастырады | Brevini riduttori EQ4255 |
| Шығыс моменті | 119,000 Nm |
| Беріліс кезеңдері | 4 |
| Арақатынас диапазоны | 50:1 – 500:1 |
| Максималды енгізу жылдамдығы | 3,000 rpm |
| Тиімділік | >= 92% |
| Қорғаныс класы | IP66 |
| Шамамен салмақ | ~627 kg |
Жұмыс принципі
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.
Негізгі артықшылықтары
|
● 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. |
Құрылым және материал технологиясы
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 GGG50 созылғыш темір with H7 bore tolerances throughout. External coating is epoxy-chromate primer for C4 corrosion zone service.
Әдеттегі қолдану сценарийлері
| Өнеркәсіп | Қолданба | Key Benefit |
|---|---|---|
| Теңіз жағалауы | Large AHC winch main drive | High torque and ratio for active heave compensation. |
| Тау-кен жұмыстары | SAG mill drive | Extreme continuous torque for semi-autogenous grinding mill. |
| Теңізші | Large propeller shaft drive | Reliable low-speed drive for large vessel shaft systems. |
| Sugar | Sugar mill crushing drive | Very high torque at slow speed for sugar cane crushing. |
Таңдау бойынша нұсқаулық
- Required Output Torque (Nm) ?? Confirm peak and continuous with safety factor (1.3-2.0 typical).
- Gear Ratio ?? Motor speed (rpm) / required output speed (rpm).
- Сахна саны ?? 4-stage (4-stage) provides ratio 50:1 – 500:1.
- Motor Interface ?? Flange type (SAE/ISO metric), shaft diameter and key.
- Жұмыс ортасы ?? IP class, ambient temperature, mounting orientation.
Contact our engineers for a free application sizing review.
Brevini EQ4255 vs. EVER POWER EP-EQ4255
Notice: EVER POWER references Brevini riduttori EQ4255 solely for customer cross-reference. We are not affiliated with Brevini. Our EP-EQ4255 is an independently designed product that is dimensionally and functionally compatible. No Brevini trademarks or intellectual property are reproduced.
| Аспект | Brevini EQ4255 | EVER POWER EP-EQ4255 |
|---|---|---|
| Бағасы | OEM European premium | Competitive ?? 30-45% saving typical |
| Тоқтау | 6-16 weeks depending on size | 2-6 weeks |
| Беріліс кезеңдері | 4 | 4 |
| Кепілдік | 12 months standard | 18 айлық стандарт |
| Customisation | Limited | OEM/ODM drawings accepted |
EVER POWER also supplies matched electric and hydraulic motors for complete drive system packages. Enquire about motor pairing.
Сапа сертификаттары және қызмет көрсетуге міндеттеме
- ISO 9001:2015 certified manufacturing and quality management.
- CE белгісі ?? EU Machinery Directive 2006/42/EC compliant.
- 18 айлық кепілдік from shipment date covering all EP-EQ4255 manufacturing defects.
- 48-hour technical response for field issues.
- Seal kits and wear parts stocked for rapid dispatch.
Learn more at Біз туралы EVERY POWER.
Кейс-стадилер ?? Инженердің далалық жазбалары
| Ел | Қолданба | Тұтынушы пікірлері |
|---|---|---|
| UAE | Cement mill main drive, large plant | “Extreme torque requirement met. CE documentation accepted by our local regulator without question.” ?? Plant Director, Abu Dhabi. |
| Australia | Large mining excavator travel drive, iron ore mine | “Class-leading torque handled the hardest magnetite bench conditions without overload.” ?? Equipment Director, Pilbara. |
| Нидерланды | Ship thruster drive, heavy offshore vessel | “EVER POWER delivered on a very tight shipyard schedule. The gearbox was dimensionally exact.” ?? Marine Engineer, Rotterdam. |
Жиі қойылатын сұрақтар
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.
EVER POWER-мен серіктес болыңыз
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