Product Description
SWC-I Series-Light-Duty Designs Cardan shaft
Designs
Data and Size of SWC-I Series Universal Joint Couplings
| Type | Desian Data Item |
SWC-I 58 |
SWC-I 65 |
SWC-I 75 |
SWC-I 90 |
SWC-I 100 |
SWC-I 120 |
SWC-I 150 |
SWC-I 180 |
SWC-I 200 |
SWC-I 225 |
| A | L | 255 | 285 | 335 | 385 | 445 | 500 | 590 | 640 | 775 | 860 |
| Lv | 35 | 40 | 40 | 45 | 55 | 80 | 80 | 80 | 100 | 120 | |
| m(kg) | 2.2 | 3.0 | 5.0 | 6.6 | 9.5 | 17 | 32 | 40 | 76 | 128 | |
| B | L | 150 | 175 | 200 | 240 | 260 | 295 | 370 | 430 | 530 | 600 |
| m(kg) | 1.7 | 2.4 | 3.8 | 5.7 | 7.7 | 13.1 | 23 | 28 | 55 | 98 | |
| C | L | 128 | 156 | 180 | 208 | 220 | 252 | 340 | 348 | 440 | 480 |
| m(kg) | 1.3 | 1.95 | 3.1 | 5.0 | 7.0 | 12.3 | 22 | 30 | 56 | 96 | |
| Tn(N·m) | 150 | 200 | 400 | 750 | 1250 | 2500 | 4500 | 8400 | 16000 | 22000 | |
| Tf(N·m) | 75 | 100 | 200 | 375 | 630 | 1250 | 2250 | 4200 | 8000 | 11000 | |
| β(°) | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 25 | 25 | 25 | |
| D | 52 | 63 | 72 | 92 | 100 | 112 | 142 | 154 | 187 | 204 | |
| Df | 58 | 65 | 75 | 90 | 100 | 120 | 150 | 180 | 200 | 225 | |
| D1 | 47 | 52 | 62 | 74.5 | 84 | 101.5 | 130 | 155.5 | 170 | 196 | |
| D2(H9) | 30 | 35 | 42 | 47 | 57 | 75 | 90 | 110 | 125 | 140 | |
| D3 | 38 | 38 | 4 | 50 | 60 | 70 | 89 | 102 | 114 | 140 | |
| Lm | 32 | 39 | 45 | 52 | 55 | 63 | 85 | 87 | 110 | 120 | |
| k | 3.5 | 4.5 | 5.5 | 6.0 | 8.0 | 8.0 | 10.0 | 12.0 | 14.0 | 15.0 | |
| t | 1.5 | 1.7 | 2.0 | 2.5 | 2.5 | 2.5 | 3.0 | 4.0 | 4.0 | 5.0 | |
| n | 4 | 4 | 6 | 4 | 6 | 8 | 8 | 8 | 8 | 8 | |
| d | 5.1 | 6.5 | 6.5 | 8.5 | 8.5 | 10.5 | 13 | 15 | 17 | 17 | |
| MI(kg) | 0.14 | 0.16 | 0.38 | 0.38 | 0.53 | 0.53 | 0.87 | 0.87 | 1.65 | 2.14 | |
| Flange bolt | size | M5 | M6 | M6 | M8 | M8 | M10 | M12 | M14 | M16 | M16 |
| Tightening torque(N·m) | 7 | 13 | 13 | 32 | 32 | 64 | 110 | 180 | 270 | 270 |
1. Notations:
L=Standard length, or compressed length for designs with length compensation;
LV=Length compensation;
M=Weight;
Tn=Nominal torque(Yield torque 50% over Tn);
TF=Fatigue torque, I. E. Permissible torque as determined according to the fatigue strength
Under reversing loads;
β=Maximum deflection angle;
MI=weight per 100mm tube
2. Millimeters are used as measurement units except where noted;
3. Please consult us for customizations regarding length, length compensation and
Flange connections.
Brief Introduction
Processing flow
Applications
Quality Control
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| Condition: | New |
|---|---|
| Color: | Red |
| Certification: | ISO |
| Structure: | Double |
| Material: | Alloy Steel |
| Type: | Retractable |
| Customization: |
Available
| Customized Request |
|---|
How do tractor PTO shafts handle variations in load and torque during operation?
Tractor power take-off (PTO) shafts are designed to handle variations in load and torque during operation. They incorporate several mechanisms and features to ensure efficient power transfer and adaptability. Here’s a detailed explanation:
1. Slip Clutches: Many PTO shafts are equipped with slip clutches, which are designed to slip or disengage when the torque exceeds a certain threshold. This helps protect the PTO shaft and the driven implement from damage caused by sudden increases in load or torque. Slip clutches provide a level of safety by allowing the shaft to slip momentarily and absorb the excess torque, preventing breakage or overload.
2. Shear Pins: Some PTO shafts use shear pins as a safety mechanism. Shear pins are designed to break when the torque exceeds a specific limit. By breaking, the shear pin disconnects the PTO shaft from the driven implement, protecting the shaft and the implement from damage. Shear pins are replaceable, and their purpose is to safeguard the PTO system from excessive loads or unexpected obstructions.
3. Overrunning Clutches: Overrunning clutches, also known as freewheeling clutches, allow the PTO shaft to rotate freely in one direction while preventing reverse rotation. This feature is particularly useful when the driven implement’s inertia creates a lag in stopping or when the implement decelerates faster than the tractor. Overrunning clutches prevent the PTO shaft from transmitting reverse torque to the tractor, reducing stress on the transmission and improving safety and efficiency.
4. PTO Shaft Torque Limiters: Some PTO shafts incorporate torque limiters, which are devices that regulate the torque transmitted by the shaft. Torque limiters protect both the tractor and the implement by controlling the torque within a safe range. When the torque exceeds the set limit, the torque limiter disengages or slips, preventing damage to the PTO system and the driven implement. Torque limiters are adjustable and allow for customization based on the specific load requirements of different implements.
5. PTO Shaft Friction Plates: Friction plates are often used in PTO shafts to enhance the system’s ability to handle variations in load and torque. These plates provide additional frictional resistance, allowing the PTO shaft to transmit torque effectively while absorbing and dampening sudden changes in load. Friction plates minimize slippage and help maintain a consistent power transfer between the tractor and the implement.
6. Tractor Engine Power and Speed Control: Tractor PTO shafts handle variations in load and torque by allowing the tractor’s engine power and speed to be adjusted. By increasing the engine speed, the PTO shaft’s rotational speed can be adjusted to match the load requirements of the implement. This flexibility enables the tractor operator to optimize power delivery based on the specific task, ensuring efficient operation and preventing overload.
These mechanisms and features enable tractor PTO shafts to handle variations in load and torque during operation. Slip clutches, shear pins, overrunning clutches, torque limiters, friction plates, and the ability to control the tractor’s engine power and speed all contribute to the safe and efficient operation of the PTO system.
What maintenance practices are essential for prolonging the lifespan of tractor PTO shafts?
Proper maintenance is essential for prolonging the lifespan and ensuring the reliable performance of tractor PTO shafts. By following these maintenance practices, you can maximize the durability and functionality of your PTO shaft:
- Regular Lubrication: Lubrication is crucial for reducing friction and wear in PTO shafts. Follow the manufacturer’s recommendations for the type of lubricant and the frequency of lubrication. Apply lubrication to the PTO shaft’s moving components, such as universal joints and splines. Regular lubrication helps prevent corrosion, reduces heat generation, and ensures smooth operation.
- Inspection and Cleaning: Regularly inspect the PTO shaft for any signs of damage, wear, or misalignment. Look for worn-out or damaged components, loose connections, or bent shafts. Clean the PTO shaft to remove dirt, debris, and any buildup that may affect its performance. Use a soft brush or cloth to clean the shaft thoroughly.
- Check Safety Shields and Guards: Inspect the safety shields and guards that cover the rotating components of the PTO shaft. Ensure they are securely in place and free from any cracks, breaks, or missing parts. Damaged or missing shields should be replaced immediately to maintain operator safety.
- Verify Torque-Limiting Devices: If your PTO shaft incorporates torque-limiting devices such as shear pins or slip clutches, regularly check their functionality. Inspect shear pins for signs of damage or wear and replace them as needed. Test slip clutches to ensure they engage and disengage properly. These devices are crucial for protecting the PTO shaft and equipment from excessive torque, so they should be in good working condition.
- Inspect Universal Joints: Universal joints are critical components in PTO shafts. Inspect them for any signs of wear, such as loose or worn-out bearings, excessive play, or rust. Replace any damaged or worn universal joints promptly to prevent further damage to the PTO shaft.
- Ensure Proper Alignment: Misalignment can lead to vibration, increased wear, and reduced power transmission efficiency. Check the alignment between the tractor’s PTO output shaft and the implement’s input shaft. Ensure that the PTO shaft is properly aligned and engaged. Adjust the length or position of the PTO shaft if necessary to maintain proper alignment.
- Follow Manufacturer’s Recommendations: Always refer to the manufacturer’s guidelines for specific maintenance instructions and intervals. They provide valuable information on lubrication, inspection, adjustment, and replacement procedures specific to your PTO shaft model. Adhering to these recommendations helps ensure that you are following the best practices for maintaining your tractor PTO shaft.
By implementing these maintenance practices, you can significantly prolong the lifespan of your tractor PTO shaft. Regular lubrication, inspection, cleaning, checking safety shields and guards, verifying torque-limiting devices, inspecting universal joints, ensuring proper alignment, and following manufacturer’s recommendations are all vital steps in keeping your PTO shaft in optimal condition and maximizing its longevity.
What Is a Tractor PTO Shaft and How Does It Contribute to Farm Machinery Operations?
A tractor power take-off (PTO) shaft is a key component of farm machinery that allows power to be transferred from the tractor’s engine to various implements and attachments. It plays a crucial role in enabling the operation of a wide range of farm equipment, such as mowers, balers, tillers, spreaders, and many others. Here’s a detailed explanation of what a tractor PTO shaft is and how it contributes to farm machinery operations:
1. Definition and Function:
A tractor PTO shaft is a mechanical device that connects to the rear of a tractor and transfers power from the tractor’s engine to an attached implement. It typically consists of a rotating shaft with splines or a keyway that engages with a corresponding input on the implement. The PTO shaft is driven by the tractor’s powertrain, converting the rotational motion of the engine into the desired speed and torque required by the implement to perform its specific task.
2. Power Transfer:
The primary function of a tractor PTO shaft is to transfer power from the tractor’s engine to farm machinery. The PTO shaft connects directly to the tractor’s power source, allowing the implement to utilize the engine’s power output. This eliminates the need for a separate engine on each individual piece of equipment, making farm operations more efficient and cost-effective. The PTO shaft provides a standardized and easily interchangeable power transfer mechanism, enabling compatibility with a wide range of implements.
3. Versatility and Flexibility:
Tractor PTO shafts contribute to farm machinery operations by offering versatility and flexibility. Since the PTO shaft is detachable and interchangeable, farmers can quickly switch between different implements, adapting to various tasks and seasonal requirements. This flexibility allows for efficient utilization of the tractor’s power, maximizing productivity and reducing downtime. Farmers can easily connect and disconnect implements as needed, providing them with greater control and efficiency in their operations.
4. Speed and Power Control:
The PTO shaft allows for speed and power control, enabling farmers to adjust the rotational speed and torque delivered to the implement. Tractors typically offer multiple PTO speed options, such as 540 or 1,000 revolutions per minute (RPM), allowing compatibility with implements that have different speed requirements. By selecting the appropriate PTO speed, farmers can optimize the performance and efficiency of the attached equipment, ensuring proper operation and achieving desired outcomes.
5. Compatibility with Various Implements:
Tractor PTO shafts are designed to be compatible with a wide range of implements used in farming operations. The PTO shaft’s standardized connection interface ensures that implements from different manufacturers can be easily connected to the tractor. This compatibility allows farmers to utilize specialized equipment tailored for specific tasks, such as mowing, tilling, planting, harvesting, or baling. The PTO shaft serves as the critical link between the tractor and the implement, enabling seamless integration and operation.
6. Safety Considerations:
When using a tractor PTO shaft, safety is of utmost importance. PTO shafts are equipped with protective guards or shields to prevent accidental contact with the rotating shaft. These guards protect operators and bystanders from potential hazards and entanglement. It is essential to ensure that the PTO shaft and its associated safety features are properly maintained and used according to recommended guidelines to minimize the risk of accidents or injuries.
7. Enhanced Efficiency and Productivity:
By facilitating the use of various implements, providing power transfer capabilities, and offering speed and power control, tractor PTO shafts significantly contribute to enhancing efficiency and productivity in farm machinery operations. Farmers can accomplish a wide range of tasks with a single tractor, reducing the need for multiple machines and manual labor. The ability to quickly attach and detach implements allows for seamless transitioning between different farming activities, resulting in improved overall productivity.
In summary, a tractor PTO shaft is a mechanical device that transfers power from a tractor’s engine to attached implements. It enables versatile and flexible operation, provides speed and power control, ensures compatibility with various implements, and enhances efficiency and productivity in farm machinery operations. The PTO shaft is a crucial component that simplifies and streamlines agricultural tasks, contributing to the overall effectiveness of modern farming practices.
editor by CX 2024-03-15