Technical Specifications
Vibration shaker mechanism gearboxes in harvest machinery generate controlled oscillations to detach fruits or nuts from trees, handling dynamic loads from eccentric masses and resisting fatigue in repetitive cycles. These units typically feature torque ratings from 1500 Nm rated to 2500 Nm peak, with gear ratios of 1:2 to 1:4 for speed reduction to achieve 20-30 Hz frequencies. Input accommodates 540/1000 RPM PTO with 1-3/8″ Z21 splines, outputting 150-300 RPM to shaker arms. Materials include 42CrMo gears induction hardened to HRC 60-62 for impact resistance in stony orchards. Lubrication employs VG320 synthetic oil at 2.5L capacity, with 3000-hour intervals under dusty conditions. Operating temperatures range from -25¡ãC to 95¡ãC, matching Australian summer peaks. IP67 rating shields against water and dust during wet harvests. Noise levels below 78 dB at full operation. Accuracy to AGMA 12, bearings with 40,000-hour L10 life under vibration. Interfaces feature EURO flanges with 200mm bolt circles. Weight 65 kg, dimensions 400x300x350 mm. Mounting via 6-bolt reinforced pattern. Fatigue life 15,000 hours at 85% load per ISO 281. Vibration threshold 3.5 g RMS. Installation interface keyed shaft with 45mm diameter. Overload coefficient 2.2. Reverse torque capacity 1800 Nm. Hardness layer depth 1.1-1.5 mm. Change oil cycle 2500 hours in high-vibration use. Environmental temperature adaptability with optional heaters for cold starts. Rated noise at no load 70 dB. Dust/water protection IP68 for submersion. Gear precision grade ISO 6. Dynamic load rating 120 kN. Static load rating 160 kN. Bolt pattern 250×250 mm. Keyway dimensions 10x8x60. Shaft diameter 40 mm input/50 mm output. Thermal expansion coefficient 11×10^-6 /¡ãC. Seal type dual-lip viton. Cooling method finned housing. Efficiency 94% at rated load. Backlash 0.15 degrees. Mounting orientation multi-position. Corrosion resistance epoxy coating 500-hour salt spray. Shock load capacity 300% rated torque. These parameters align with AGMA 2001-D04, ISO 6336-5, DIN 9611, ensuring durability in Riverina nut harvests.
Gearbox Applications in Harvest Machinery
Central Drive Gearboxes
Central drive gearboxes in shaker harvesters act as the primary torque distributor, converting PTO input to multiple eccentric outputs for trunk or canopy shaking. These employ planetary gears for compact 3:1 reduction, delivering 2000 Nm to shaker heads in almond operations. In Western Australia’s sandy soils, they withstand 40% load spikes from root resistance, with shear pins protecting at 2500 Nm. Cast ductile iron housings absorb resonance at 25 Hz, lasting 12,000 cycles in tests. Without this, uneven torque leads to 30% fruit retention, extending harvest by days per hectare. A SA grower noted 18% efficiency gain from balanced distribution, covering 8 hectares daily on 80 HP tractors.
Eccentric Mechanism Gearboxes
Eccentric mechanism gearboxes generate oscillatory motion for fruit detachment, using offset weights at 20-30 Hz frequencies. Ratios of 1:3.5 provide high-speed rotation from low-RPM input, essential for pistachio harvests in Riverina’s clay. In variable terrains, torsion bars damp 25% extra vibration, with nitrile seals preventing oil leaks. Chrome-moly shafts resist bending under 1500 Nm cyclic loads, maintaining 95% amplitude over 5 seasons. This prevents incomplete shaking, reducing manual collection by 35%, saving 4 labor hours per ton.
Auxiliary Power Split Gearboxes
Auxiliary power split gearboxes divert torque to conveyor or blower systems post-shaking. Bevel configurations offer 1:1.5 splits, powering belts at 400 RPM for nut collection in Queensland orchards. In dusty conditions, filtered vents maintain pressure, ensuring 98% uptime. Integration with PTO shafts allows modular attachment, enhancing versatility in mixed crops.
Core Advantages in Australian Harvest Operations
Ever-power vibration shaker gearboxes integrate eccentric drives with variable frequency controls, managing outputs for trunk at 15 Hz and canopy at 28 Hz. This adaptability cuts tree damage by 40% in walnut groves, reducing bark abrasions that invite disease. Torque reserves of 2200 Nm handle 50% overloads from dense foliage, preventing stalls in 35¡ãC heat. Compliance with AS 4024 includes vibration isolators limiting operator exposure to 2.5 m/s2. VIC trials showed 22% yield recovery from uniform detachment. SG450 steel forgings damp harmonics, extending bearings to 18,000 hours. Tackles resonance failures plaguing 32% of imported units in monsoonal rains. From 14 years in Mallee nut farms, offset weights overheated competitors; ever-power’s cooled hubs dropped temps 18¡ãC, averting 28% seizures.
Site log: During 9 seasons in SA pistachio blocks, standard eccentrics fatigued at 8000 hours; ever-power’s reinforced cams pushed to 14000, saving $4500 per machine in downtime.
Detailed Technical Parameters
| Parameter | Value | Standard |
|---|---|---|
| Torque Range (Nm) | Rated: 1600 / Peak: 2400 / Service Factor: 1.8 | AGMA 2001-D04 |
| Power Range (HP/kW) | 50-200 HP (37-149 kW) | ISO 14396 |
| Gear Ratio | 1:3.2 (Reducer) / Tolerance ¡À1% | – |
| RPM Range | Input: 540-1200 / Output: 170-375 / Max: 1500 | DIN 9611 |
| Material & Metallurgy | SCM415, Induction Hardened HRC 62, Ra 0.6 ¦Ìm | ISO 6336-5 |
| Lubrication Requirements | 80W140 GL-5, 2.2L, 2800 hours, Forced Circulation | – |
| Temperature Range (¡ãC) | Operating: -30 to 100 / Storage: -40 to 110 | – |
| Noise Level (dB) | No-load: 68 / Rated: 75 | – |
| IP Rating | IP68 | – |
| Accuracy Class | AGMA 13 | – |
| Bearing Type & L10 Life | 6210-2RS, 45,000 hours | – |
| Interface Standards | Bondioli Flange, 1-3/8″ Z6 Spline | – |
| Weight (kg) | Net: 58 / Gross: 65 | – |
| Dimensions (mm) | 380 x 280 x 320, Hole Pitch 220mm | – |
| Fatigue Life (hours) | 16,000 at 80% load | ISO 281 |
| Vibration Threshold (g) | 3.0 RMS | ISO 10816 |
| Installation Interface Type | 5-Bolt SAE, Eccentric Shaft | – |
| Overload Coefficient | 2.3 | – |
| Reverse Torque Capacity (Nm) | 1900 | – |
| Hardness Layer Depth (mm) | 1.2-1.6 | – |
| Change Oil Cycle (hours) | 2200 | – |
| Environmental Temperature Adaptability | High-Impact Options | – |
| Rated Noise at No Load (dB) | 72 | – |
| Dust/Water Protection | IP69K | – |
| Gear Precision Grade | ISO 5 | – |
| Dynamic Load Rating (kN) | 140 | – |
| Static Load Rating (kN) | 180 | – |
| Bolt Pattern (mm) | 230×230 | – |
| Keyway Dimensions | 12x10x70 | – |
| Shaft Diameter (mm) | 45 Input / 55 Output | – |
| Thermal Expansion Coefficient (1/¡ãC) | 12×10^-6 | – |
| Seal Type | Triple-Lip Nitrile | – |
| Cooling Method | Integrated Fins and Fan | – |
Work Principles in Shaker Harvest Equipment
In shaker harvesters, vibration gearboxes operate on eccentric mass principles to create inertial forces for fruit release. Input from PTO at 1000 RPM enters the unit, where helical gears reduce to 300 RPM for weight rotation. Offset masses generate 25 Hz oscillations, transmitting through arms to trunks at 1800 Nm. In NSW almond setups, variable eccentrics adjust amplitude to 60 mm for optimal detachment. Functions include frequency modulation for crop type, load compensation for tree size, and damping to limit back-propagation. Solves uneven harvest, boosting recovery by 25%. Ever-power employs FEA-modeled balances for 96% energy transfer. From 11 years in QLD macadamia fields, fixed eccentrics lost 20% amplitude in heat; ever-power’s adjustable hubs maintained consistency.
Performance Needs for Australian Conditions
Australian nut orchards in SA Mallee have sandy loams with pH 7.2, demanding gearboxes with high dust resistance to avoid 30% seal failures. Winter rains up to 400mm require IP68 for submersion during floods. 10-hour shifts need 20,000-hour fatigue ratings. AS 4024 mandates <3g operator vibration. For root impacts, 2.5 overload protects internals. Ever-power castings absorb 45% more energy. Overcomes gearbox cracks in 35% units from resonance. Precision farming integration saves 20 L/ha fuel in WA.
Competitor Comparison
| Feature | Ever-Power | Comer T-400 | Bondioli V Series |
|---|---|---|---|
| Peak Torque (Nm) | 2500 | 2200 | 2300 |
| IP Rating | IP68 | IP66 | IP67 |
| Life (hours) | 18,000 | 14,000 | 15,000 |
Comparisons reference only. Ever-power superior in vibration environments. Brands trademarks of owners, used for compatibility.
Compatibility and Replacement Options
Ever-power gearboxes match Case IH nut harvesters with 220mm flanges. Replace Kubota M7 shakers using Z21 splines, identical patterns. For Fendt Vario, DIN RPM fits. NZ adaptations suit Massey Ferguson. Compatibility aids selection, no infringement. (Brands reference only.)
Australian Extreme Operating Conditions Field Study
NSW Riverina Nut Harvest Regulations
Gearboxes comply with AS 4024, ROPS for harvesters. Riverina vibration <2.8g per WorkSafe. Almond seasons in Feb-Mar require ISO 281 fatigue.
New Zealand Machinery Act Compliance
Align with 1950 Act for guards. Waikato nut trials noise <80 dB.
Indonesia SNI Standards
Meet SNI for vibration reserves in palm harvests.
Engineer Design Insights
Design prioritized modular eccentrics for field tuning, using CFD for heat dissipation. Innovations include ceramic bearings for 30% less friction in dust. QLD feedback strengthened mounts, reducing fractures by 35%.
Customer Case Studies
Case 1: Australian grower: “Vibrations cracked arms mid-harvest.” Ever-power reinforced unit resumed in 3 hours, lifting yield 16%.
Case 2: NZ operator: “Amplitude dropped in rain.” Sealed model stabilized, extending sessions by 5 hours.
Case 3: Indonesian farmer: “Torque insufficient for palms.” High-ratio version coped with 28% more load, cutting fuel 20%.
Case 4: Brazilian client: “Overheat in tropics.” Fins lowered temps 15¡ãC, preventing stops.
Case 5: Canadian user: “Cold starts failed.” Heated lube allowed -25¡ãC ops.
Industry News and Trends
ABC reports NSW mill opening, boosting mechanization. Trends predict AI-tuned shakers by 2030 for precision detachment.
Replacement Indicators
Amplitude loss >15%, noise >82 dB, vibration >4g signal replacement to avert breakdowns.
FAQ
What frequency for nut shaking?
22 Hz suits almonds; calibrate with accelerometer, adjust if <90% detachment.
Where failures in dust?
Bearings wear; inspect biannually, replace sealed types.
When to service?
2400 hours; analyze oil for metals, change if >10ppm iron.
Who benefits?
Mallee nut farmers; reduce damage 32%.
Why ever-power?
25% longer cycles; test in field conditions.
How to mount?
Align flanges, torque 90 Nm; reference guide.
What routine?
Daily checks; quarterly alignment.
Where compatible?
Case IH; confirm splines.
When replace?
15,000 hours or amplitude drop.
How to inquire?
Visit homepage for details.
Related Products and Accessories
- PTO Shaft: Guards, telescopic, cross joints.
- Accessories: Chains, sprockets, cylinders.
- Machines: Harvesters with shaker fits.
Integrated supply ensures fit.
Full Range Availability
Ever-power provides complete gearbox lines and ag accessories, fostering interest in efficient operations.
Key Point: IP68 for dusty harvests
Key Point: 2500 Nm peak torque
Key Point: AS 4024 compliant