1. Technical Specifications & Performance Metrics
| Technical Parameter | Specification Value | Standard / Protocol |
|---|---|---|
| Torque Capacity (Nominal) | 45 Nm – 120 Nm | ISO 6336 Class 6 |
| Gear Ratio Range | 1:1.5 to 1:4.2 (Adjustable) | Manufacturer Internal |
| Input Shaft Diameter | 19mm / 25mm Keyed | DIN 6885 |
| Lubrication Type | Synthetic PAO ISO VG 220 | Food-Grade Compatible |
| Ingress Protection | IP65 | IEC 60529 |
| Casing Material | ADC12 Die-Cast Aluminum | ASTM B85 |
| Operating Temperature | -10°C to +85°C | Field Tested (Colombia) |
| Fatigue Life (L10) | 15,000 Hours | SKF Calculation Method |
| Gear Material | 20CrMnTi Alloy Steel | GB/T 3077 |
| Hardness (Teeth) | HRC 58-62 | Carburizing Treatment |
| Vibration Threshold | < 2.5 mm/s RMS | ISO 10816 |
| Weight | 3.2 kg – 5.8 kg | Ergonomic Optimized |
| Output Interface | Bayonet Lock / Splined | Global Standards |
| Surface Coating | Electrophoretic Painting | Salt Spray 500h |
| Backlash | < 8 Arcmin | Precision Grade |
| Efficiency | 94% – 97% | Mechanical Power Test |
| Noise Level | < 65 dB(A) | 1 Meter Distance |
| Mounting Orientation | Universal (360 Degrees) | Sealed Unit |
| Shock Load Factor | 1.8 FS | Safety Integrated |
| Thermal Capacity | High (Finned Housing) | Natural Convection |
| Bearing Brand | NSK / NTN (Optional) | P6 Precision |
| Seal Material | Fluorine Rubber (FKM) | High Temp Resistance |
| Input Speed (Max) | 3,600 RPM | Electric Motor Std |
| Lubricant Life | Lifetime Sealed (Optional) | Condition Monitoring |
| Compliance | CE, REACH, RoHS | European Directives |
The Shearing Machine Gearbox is typically located within the overhead drive unit or integrated into the handheld clipper body (for portable units). Its primary function is to transform the high-velocity, low-torque output of a standard motor into a high-torque reciprocating motion. This is achieved through an internal eccentric crank system. As the input shaft rotates the internal gears, an offset pin or cam converts the rotary path into a back-and-forth oscillation.
In the context of Colombian agriculture, where machines must often run off portable generators with fluctuating voltage, the gearbox acts as a mechanical buffer. The flywheel effect of the internal rotating masses helps maintain blade speed when encountering tough fleece knots or “tags” (fecal matter embedded in wool). Without this high-quality agricultural gear reducer, the clipper would stall, causing discomfort to the sheep and potential damage to the shearing equipment.
Colombia’s agricultural zones vary from the humid lowlands of the Llanos Orientales to the high-altitude, cold paramos. A standard shearing machine gearbox would fail under these conditions due to condensation or lubrication breakdown. Our units feature:
When comparing our Shearing Machine Gearbox to mainstream brands like Lister, Heiniger, or Oster, several key advantages emerge from an engineering perspective. While these brands are leaders in handheld design, our gearbox units focus on robustness for continuous industrial shearing.
| Feature | Common Retail Brands | Our Industrial Solutions |
|---|---|---|
| Housing | High-impact plastic / Thin alloy | Heavy-duty ADC12 Die-cast |
| Gear Treatment | Standard induction hardening | Deep carburizing & quenching |
| Serviceability | Difficult to repair (proprietary) | Modular design, easy bearing access |
Disclaimer: All manufacturer names, trademarks, and part numbers mentioned (Lister, Heiniger, Oster) are for reference purposes only. Our products are aftermarket compatible solutions and not original equipment manufactured by these brands.
Selection of the right agricultural gearbox involves ensuring compatibility with existing shearing plants. Our units are designed to be drop-in replacements for drive systems found on:
Note: Our gearboxes are engineered to fit most global interfaces. We provide custom adapter flanges for older machinery models common in the Latin American market.
For B2B importers in Bogotá or Medellín, compliance with local safety regulations is non-negotiable. Colombia adheres to Resolución 90708 (RETIE) for electrical components, and although a gearbox is mechanical, its integration with motors must meet these safety thresholds.
Neighboring markets like Brazil (INMETRO) and the Andean Community (CAN) standards (Ecuador, Peru, Bolivia) emphasize operator safety. Our gearboxes include integrated guards and vibration-damping mounts to comply with ISO 12100 (Safety of Machinery).
Agricultural Context: In the Department of Boyacá, the shearing season peaks between May and August, coinciding with the dry spell before the mid-year rains. During this period, machines run up to 12 hours a day. Our gearbox’s high thermal capacity is essential for this heavy-duty cycle.
Customer: Alejandro R., Sheep Farmer in Colombia (Boyacá)
Scenario: High-altitude shearing at 2,800m where motors lose efficiency.
Feedback: “We replaced our old worn-out units with these gearboxes. The efficiency gain was noticeable immediately. Even when the generator voltage dipped, the torque stayed consistent.”
Customer: Liam W., Contract Shearer in Australia (New South Wales)
Scenario: Mass shearing of Merinos (high grease wool).
Feedback: “I’ve run these gearboxes through 50,000 head. No leaks, no excessive heat. The splined output fits my existing shafts perfectly.”
Customer: Santiago M., Importer in Argentina (Patagonia)
Scenario: Extremely dusty and windy conditions.
Feedback: “The IP65 sealing is the real deal. In Patagonia, dust gets into everything. These gearboxes have stayed clean internally for two full seasons.”
Customer: Johan S., Cooperative Manager in South Africa (Karoo)
Scenario: High ambient temperatures during shearing.
Feedback: “We previously had issues with oil thinning out and leaking. The synthetic lube in these units holds up even in 40°C heat.”
Customer: Thomas B., Equipment Distributor in United Kingdom (Wales)
Scenario: Compliance with strict CE machinery directives.
Feedback: “The documentation and safety features made it easy to integrate these into our custom shearing rigs. Highly reliable pto gearbox alternative.”
Heavy-duty power take-off shafts with safety covers, perfect for driving large-scale shearing rigs from tractor systems.
Precision-engineered drive chains for conveyor systems and auxiliary equipment in wool processing plants.
High-wear resistant sprockets designed for synchronized transmission in multi-shearer overhead setups.
Q1: How do I select the right shearing machine gearbox for high-altitude Colombian farms?
A1: Look for units with oversized cooling fins and high-efficiency gear ratios (like 1:3.5) to compensate for motor power loss at altitude.
Q2: What is the estimated cost of maintaining these gearboxes over a five-year period?
A2: Our gearboxes are largely maintenance-free; only periodic seal checks and lubrication top-ups are required, making the lifetime cost very low.
Q3: Can these gearboxes handle the unique requirements of the Mora Colombiana sheep wool?
A3: Yes, the high torque reserve is designed specifically for dense, long-staple wool found in indigenous Colombian breeds.
Q4: Where can I find a reliable supplier for bulk agricultural gearboxes in South America?
A4: We ship directly to ports in Buenaventura and Cartagena, providing full technical support for our regional B2B partners.
Q5: How does the IP65 rating benefit my outdoor shearing operations during the rainy season?
A5: It ensures that no moisture or mud enters the gear chamber, preventing internal corrosion and lubricant emulsification.
Q6: Are the input shafts compatible with standard NEMA or IEC motor frames?
A6: Our input flanges are designed for universal compatibility, fitting most 0.5HP to 1.5HP agricultural motors seamlessly.
Q7: What is the warranty policy for industrial-grade shearing reducers in international markets?
A7: We provide a comprehensive 12-month industrial warranty against manufacturing defects, backed by global technical consultants.
Q8: Which materials are used to ensure the gearbox remains lightweight yet durable?
A8: We use aerospace-grade ADC12 aluminum for the housing and vacuum-hardened steel alloys for all internal rotating components.
Q9: Does your factory provide custom gear ratios for specialized shearing equipment?
A9: Yes, for large-scale OEM orders, we can customize the gear geometry to meet specific Strokes Per Minute (SPM) requirements.
Q10: How do I properly lubricate the gearbox in a tropical climate like Colombia?
A10: We recommend using high-viscosity synthetic oils that maintain their film strength even in high ambient temperatures.
Editor: PXY
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