1. Technical Specifications: Chain Drive Performance Data
Calibrated for Heavy-Duty Flat Chain Systems in Tropical Climates.
| Parameter Description | Spécification Technique | Unit / Standard |
|---|---|---|
| Rated Output Torque | 180 – 650 | Nm (High Start-up) |
| Chain Speed Options | 12 / 18 / 36 | Meters/Minute |
| Motor Power | 0.75 – 2.2 | kW (1.0 – 3.0 HP) |
| Vitesse d'entrée | 1450 / 1750 | RPM (4 Pole) |
| Reduction Ratio | 1:10 – 1:40 | Personnalisable |
| Matériaux de construction | Cast Iron HT250 / Ductile Iron | Shock Resistant |
| Gear Type | Helical-Bevel / Helical-Worm | High Efficiency |
| Output Shaft Diameter | 25mm / 30mm / 35mm | Keyed Solid Shaft |
| Shaft Material | 42CrMo Alloy Steel | Quenched & Tempered |
| Protection Class | IP66 | Washdown Safe |
| Insulation Class | H (180°C) | Tropicalized Winding |
| Voltage Compatibility | 220V / 380V / 440V | Dual Frequency 50/60Hz |
| Service Factor | 2.0 | Continuous Duty |
| Lubrication | Synthetic Gear Oil (ISO VG 220) | Long Life |
| Oil Seal Type | Double Lip Viton (FKM) | Chemical Resistant |
| Mounting Position | Universal (Horizontal/Vertical) | Versatile Fit |
| Max Chain Length | Up to 350 | Meters (per drive) |
| Noise Level | < 65 | dB (Low Noise) |
| Paint Coating | Anti-Corrosive Epoxy | Ammonia Proof |
| Bearing Brand | C&U / NSK / SKF | Premium Quality |
2. Reinventing the Chain Feeding Drive with Marine Winch Engineering
In the specialized sector of broiler breeder and layer housing in Brazil, the flat chain feeding system remains the gold standard for rapid and uniform feed distribution. However, the Chain Feeding Gearbox responsible for dragging hundreds of meters of steel chain loaded with feed is often the weakest link. Standard agricultural gear motors frequently fail due to the intense start-up torque required to move a fully loaded stationary chain, combined with the corrosive effects of ammonia accumulating in the pit or drive corners. To combat this, Agrinulear Nucleo Agro (Agence Ever-power Brésil) has introduced a paradigm shift by adapting the ultra-durable architecture of our **Offshore Anchor Winch Gearbox** platform for the poultry industry. The logic is simple yet profound: an offshore winch is designed to hold immense loads under constant salt spray and humidity without slipping or corroding. By transferring this sealed, high-load gearing technology to our agricultural gearbox line, we have created a drive unit that is virtually impervious to the humid, ammonia-rich atmosphere of a Brazilian poultry house. This “Marine-Grade” engineering ensures that our gearboxes deliver consistent, non-slip power to the drive sprocket, maintaining precise chain speeds of up to 36 meters per minute, which is critical for preventing competitive feeding stress among the birds.
The operational cycle of a chain feeder involves frequent starts and stops, creating shock loads that can shatter standard gear teeth and overheat motor windings. Agrinulear’s agricultural gear reducer units address this by utilizing oversized, case-hardened helical-bevel gears typically found in heavy industrial mining conveyors. This robust internal geometry allows our gearboxes to absorb the kinetic shock of starting a 300-meter feed loop without mechanical fatigue. Furthermore, considering the strict sanitary washdown protocols in Brazil (often involving high-pressure caustic cleaners), our units feature a fully encapsulated “Submarine” housing design with IP66 protection. This prevents water ingress into the oil sump, a common cause of bearing failure in competitor models. By integrating this level of industrial durability, Agrinulear ensures that major integrators like Aurora and BRF can rely on their feeding systems to perform flawlessly through countless flock cycles, reducing maintenance costs and improving the Feed Conversion Ratio (FCR) across their operations.
3. Working Principle: Driving the Flat Chain Circuit
The Chain Feeding System operates on a closed-loop circuit where a flat steel chain runs inside a metal trough, dragging feed from a central hopper to the entire flock. The heart of this system is the drive unit, comprising an electric motor coupled to a heavy-duty **agricultural gearbox**. The gearbox’s output shaft connects to a hardened drive sprocket, which engages the links of the chain. As the **Chain Feeding Gearbox** rotates, it pulls the chain through the trough at a calibrated speed. This pulling action creates significant tension, especially at the corners (90-degree turns). Our gearbox is designed to handle this “drag load” efficiently. The internal helical gearing reduces the high RPM of the motor to the low RPM required by the sprocket, multiplying the torque output. This ensures that even when the trough is fully loaded with heavy mash or pellet feed, the chain moves smoothly without surging or jerking, protecting the mechanical integrity of the entire feeding line.
4. Engineered for Brazil: Battling Heat, Humidity, and Voltage Spikes
In Brazil’s major egg-producing regions like Bastos (SP) and Santa Maria de Jetibá (ES), the poultry equipment faces a unique set of challenges. High ambient temperatures combined with the corrosive ammonia generated by accumulated manure create a harsh environment for any metal component. Agrinulear Nucleo Agro’s **agricultural manufacturer** team has “tropicalized” our gearboxes to survive here. We utilize Class H insulation for our motors, allowing them to withstand internal temperatures of up to 180°C, which is crucial during Brazil’s hot summers. Additionally, rural power grids in Brazil are prone to voltage fluctuations. Our drive units are equipped with robust capacitors and phase-protection systems to prevent burnout during brownouts. The gearbox housing is coated with a specialized epoxy paint that resists the acidic nature of poultry manure, ensuring that the unit remains structurally sound even after years of exposure in a deep-pit layer house.
5. Seamless Compatibility: The Universal Drive Solution
We understand that replacing a complete feeding system is costly. That is why Agrinulear Nucleo Agro gearboxes are engineered as universal replacement units. Our mounting footprints and shaft dimensions are designed to match the most common systems found in Brazil. Whether you are running a vertically integrated farm or an independent operation, our **pto gearbox** inspired durability is available as a direct upgrade for:
- Big Dutchman™: High-torque drives for CHAMPION Chain systems.
- Cumberland™: Compatible replacement units for chain feeder drives.
- Facco™: Precision gearboxes for layer cage feeding systems.
- Chore-Time™: Heavy-duty retrofit options for breeder chain loops.
- Local Brazilian Brands: Custom shaft adapters available for regional equipment.
Disclaimer: All original equipment manufacturer (OEM) names, trademarks, and model numbers mentioned are for reference and identification purposes only. Agrinulear Nucleo Agro is an independent manufacturer and is not affiliated with, endorsed by, or sponsored by these entities.
6. [Engineer’s Log] Brazilian Field Performance Report
Case 1: Brazil (Bastos, SP) – Commercial Layer Farm
“The ammonia levels in our pit houses destroy normal motors in 6 months. We tested the Agrinulear ‘Marine-Grade’ unit. It’s been running for 2 years now with zero corrosion on the shaft. The epoxy coating really works.”
– Maintenance Chief, Carlos M.
Case 2: Brazil (Chapecó, SC) – Broiler Breeder House
“We need fast feeding to stop the males from stealing the females’ feed. The 36m/min Agrinulear gearbox gives us that speed with incredible torque. The chain tension is high, but the gearbox doesn’t overheat.”
– Production Manager, Ricardo L.
Case 3: Brazil (Espírito Santo) – High Altitude Layers
“Voltage drops are common in the mountains. Our old drives would stall and burn capacitors. The Agrinulear units have heavy-duty capacitors that handle the fluctuations perfectly. No more burnt motors.”
– Farm Owner, Eduardo S.
Case 4: Brazil (Goiás) – Free Range Setup
“Dust is a big issue here during the dry season. The sealed housing on these gearboxes keeps the dust out of the bearings. We’ve seen a huge reduction in noise and vibration since switching.”
– Operations Lead, Ana P.
Case 5: Brazil (Paraná) – Automated Pullet Rearing
“We utilize a very long chain loop, over 300 meters. The starting torque required is massive. The Agrinulear gearbox handles that initial pull smoothly without jerking the chain, which saves us from breaking shear pins.”
– Technical Director, Roberto G.
7. Comprehensive Drivetrain Solutions for Poultry Farms
Agrinulear Nucleo Agro is dedicated to supplying every component needed to keep your automated systems running. Alongside our robust gearboxes, we provide high-quality PTO Shafts for your tractor-driven cleaning equipment. For the feeding line itself, the drive system relies on precision Sprockets to engage the chain links without slipping. We also manufacture durable Chains designed to withstand the tension and friction of continuous operation in a feed trough. Rely on us for a complete, compatible drivetrain package.
Q1: How does your gearbox withstand the ammonia in a Brazilian poultry house?
A1: We use a specialized “Marine-Grade” epoxy coating on the cast iron housing and stainless steel for exposed fasteners. Combined with Viton double-lip seals, this prevents the corrosive ammonia gas from penetrating the unit and damaging the internals.
Q2: What is the maximum chain length this gearbox can drive?
A2: Our heavy-duty 2.2kW models are capable of driving chain loops up to 350 meters (1150 feet) in length, depending on the number of corners and the feed density. We recommend consulting our engineering charts for specific layout calculations.
Q3: Can I get a custom output shaft size for my Facco system?
A3: Yes, we offer customizable output shafts. While our standard sizes (25mm, 30mm) fit most systems, we can machine shafts to specific imperial or metric dimensions to ensure a perfect fit for your existing Facco equipment.
Q4: How often should I change the oil in the chain feeding gearbox?
A4: Our gearboxes come pre-filled with long-life synthetic oil. For standard poultry operations, we recommend an oil change every 2 years or 10,000 hours of operation. However, in extremely hot environments, checking the oil level every 6 months is advised.
Q5: Do you have a distribution partner in Paraná for quick replacements?
A5: Yes, Agrinulear Nucleo Agro maintains a central warehouse in São Paulo with logistics partners capable of delivering to Paraná, Santa Catarina, and Rio Grande do Sul within 24-48 hours, minimizing your system downtime.
Q6: Is the motor compatible with Brazilian 60Hz power grids?
A6: Absolutely. Our electric motors are wound specifically for dual-frequency operation (50/60Hz). When running on Brazil’s 60Hz grid, they perform optimally with the correct RPM to deliver the specified chain speed.
Q7: Can this gearbox be used for vertical egg collection systems as well?
A7: While this specific model is optimized for horizontal chain feeding, the high-torque characteristics make it suitable for some egg collection conveyors. However, we have a dedicated range for egg collection that offers smoother start-up to prevent egg breakage.
Q8: What happens if the chain jams? Will the gearbox break?
A8: Our gearboxes are built with a safety factor of 2.0, meaning they can handle significant overload. However, for system protection, we recommend installing a shear pin on the sprocket or a thermal overload relay on the motor to cut power in case of a hard jam.
Q9: Are your prices competitive with imported European gearboxes?
A9: Yes, our goal is to provide superior value. By leveraging our global manufacturing capabilities, we offer a “Premium Heavy-Duty” product that often costs 20-30% less than comparable European brands, without sacrificing quality or durability.
Q10: Can I wash this gearbox with a high-pressure jet?
A10: Yes, our units are rated IP66, which specifically protects against powerful water jets. You can include the gearbox in your regular sanitary washdown routine without fear of water entering the housing or terminal box.
Éditeur : PXY
