Why use cardan shaft drive

Because the direction of rotation of the custom universal joints shaft is perpendicular to the forward direction of the car, lateral torque will appear when rotating, causing the car to tilt in the opposite direction of the rotation of the car’s image shaft. The higher the speed, the greater the torque, so shaft transmission is not suitable for high-speed cars.

The direction of rotation of the sprocket and the forward direction of the car are the same, and the torque generated only raises the front of the car, which has little effect on high-speed driving. The shaft transmission is characterized by durability, high manufacturing cost, high material requirements, and difficult processing. The chain drive is characterized by low cost, simple maintenance and not durable.

The biggest advantage of the shaft drive is that it will not be stretched and the wheel track needs to be adjusted, no oil pollution can basically be maintenance-free, and low loss and high drive efficiency. But there is no shock absorption effect of the chain, and the vibration of the car body is directly transmitted to the rider's body.

A very important point in shaft transmission is the decomposition of the drive shaft assembly. The steps are divided into the following points:

1. Take out the elastic retaining ring for the hole with needle-nose pliers, and tap the threaded head of the steering shaft gently and evenly with a copper hammer until the outer ring of the bearing comes out of the inner hole of the support, and the steering shaft with bearing assembly is pulled out from the lower end of the support. to make. Note that when the copper hammer hits the threaded head of the steering shaft, measures to protect the thread should be taken to prevent the thread from deforming.

2. Check whether the sliding fork assembly and the universal joint fork assembly rotate flexibly, whether they are rusted or pinched. If there is one of the defects, disassemble the cross shaft with grease nipple assembly.

3. The bearing on the other axis is also operated according to the direction and procedure shown in the figure.

4. Remove the bearing. Note that the parts are not damaged and rotate flexibly after inspection, and the bearing does not need to be disassembled.

5. Clean the parts with clean gasoline and kerosene. Be careful not to use gasoline to clean rubber oil seals, and do not use steam or alkaline cleaning fluid to clean the U-Joint With 2 Welder Plate Type And 2 Plain Round Bearings. After cleaning, blow the parts with dry, clean compressed air.

 

[Swaswati Borpuzari]

Okay, here's an article exploring the reasons for using a cardan shaft drive, aimed at a general audience but with enough detail to be informative:

The Mighty Cardan Shaft: Why It's Crucial in Power Transmission

We might not think about them much, but cardan shafts (also known as driveshafts or universal joint shafts) are essential components in a huge variety of machinery, from cars and trucks to industrial equipment. But what exactly is a cardan shaft, and why are they so crucial? Let's dive into the world of power transmission and uncover the reasons behind their widespread use.

What is a Cardan Shaft?

At its core, a cardan shaft is a mechanical component designed to transmit rotational power between two parts that aren't necessarily aligned. Imagine trying to spin a wheel with a crank that's at an angle – that's where a cardan shaft comes in. It consists of a rotating shaft, typically made of steel, with universal joints (also known as U-joints or cardan joints) at one or both ends. These joints allow the shaft to transmit torque even when the connected components are at varying angles.

The Key Reasons for Using a Cardan Shaft:

Here are the primary reasons why cardan shafts are employed:

• Transmitting Power Across Angles: This is perhaps the most significant advantage. In many applications, the engine (or power source) isn't directly aligned with the wheels, gears, or other components that need to be driven. For example, in a rear-wheel-drive car, the engine is typically positioned in the front, while the power needs to reach the rear axle. The cardan shaft bridges this gap, transmitting the engine's rotation through the vehicle's chassis and around corners. Without it, power transfer would be extremely difficult and inefficient.
• Accommodating Movement and Suspension: Vehicles, in particular, experience a lot of movement, especially when encountering bumps or turns. The suspension system allows the wheels to move up and down, altering the angles between the engine and the wheels (or other components). The cardan shaft, with its flexible joints, can accommodate these changes in angle, maintaining power transmission even during these movements.
• Handling High Torque: Cardan shafts are typically designed to handle significant amounts of torque, which is the rotational force that causes movement. This is vital in applications where large amounts of power need to be transferred, such as in heavy-duty trucks, construction equipment, and industrial machinery.
• Durability and Reliability: Constructed from strong materials like steel, cardan shafts are built to withstand the rigors of constant use and exposure to various environmental conditions. Their robust design ensures they can operate reliably for extended periods with minimal maintenance.
• Versatility: Cardan shafts are adaptable and can be configured in various lengths and with different joint types to suit a wide range of application requirements. This versatility makes them suitable for many different industries and machines.
• Efficiency in Power Transfer: While there can be some minor power loss through the universal joints, cardan shafts generally provide an efficient way to transfer rotational power compared to other methods of angled transmission. They do this in a controlled and predictable manner.

Applications of Cardan Shafts:

The applications of cardan shafts are vast and varied, including:

• Automotive: Rear-wheel-drive and four-wheel-drive vehicles rely heavily on cardan shafts to transmit power from the engine to the rear or all axles.
• Trucking & Commercial Vehicles: Heavy-duty trucks, buses, and agricultural machinery use cardan shafts for their robust power transmission requirements.
• Industrial Machinery: From manufacturing equipment to mining machinery and construction vehicles, cardan shafts play a pivotal role in powering various systems.
• Aerospace: Some aircraft utilize cardan shafts in their power systems.
• Marine: Boats and ships often use cardan shafts in their drive systems.

In Conclusion:

The cardan shaft is a deceptively simple yet remarkably effective piece of engineering. Its ability to transmit power across angles, accommodate movement, handle high torque, and provide reliable performance make it an indispensable component in a vast array of machines and vehicles. Next time you see a truck drive by or a piece of heavy machinery in operation, remember the humble cardan shaft, tirelessly working to keep everything moving smoothly. Its presence is a testament to the ingenuity of mechanical engineering and its vital role in powering our world.

 

[Dhruv Bindhani]

Because the direction of rotation of the custom universal joints shaft is perpendicular to the forward direction of the car, lateral torque will appear when rotating, causing the car to tilt in the opposite direction of the rotation of the car’s image shaft. The higher the speed, the greater the torque, so shaft transmission is not suitable for high-speed cars.

The direction of rotation of the sprocket and the forward direction of the car are the same, and the torque generated only raises the front of the car, which has little effect on high-speed driving. The shaft transmission is characterized by durability, high manufacturing cost, high material requirements, and difficult processing. The chain drive is characterized by low cost, simple maintenance and not durable.

The biggest advantage of the shaft drive is that it will not be stretched and the wheel track needs to be adjusted, no oil pollution can basically be maintenance-free, and low loss and high drive efficiency. But there is no shock absorption effect of the chain, and the vibration of the car body is directly transmitted to the rider's body.

A very important point in shaft transmission is the decomposition of the drive shaft assembly. The steps are divided into the following points:

1. Take out the elastic retaining ring for the hole with needle-nose pliers, and tap the threaded head of the steering shaft gently and evenly with a copper hammer until the outer ring of the bearing comes out of the inner hole of the support, and the steering shaft with bearing assembly is pulled out from the lower end of the support. to make. Note that when the copper hammer hits the threaded head of the steering shaft, measures to protect the thread should be taken to prevent the thread from deforming.

2. Check whether the sliding fork assembly and the universal joint fork assembly rotate flexibly, whether they are rusted or pinched. If there is one of the defects, disassemble the cross shaft with grease nipple assembly.

3. The bearing on the other axis is also operated according to the direction and procedure shown in the figure.

4. Remove the bearing. Note that the parts are not damaged and rotate flexibly after inspection, and the bearing does not need to be disassembled.

5. Clean the parts with clean gasoline and kerosene. Be careful not to use gasoline to clean rubber oil seals, and do not use steam or alkaline cleaning fluid to clean the U-Joint With 2 Welder Plate Type And 2 Plain Round Bearings. After cleaning, blow the parts with dry, clean compressed air.

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