A universal joint, also known as a U-joint, is a mechanical device used to transmit rotational motion between two shafts that are not in a straight line but are at an angle to each other. It is designed to accommodate misalignment and allow for smooth rotation and torque transfer. Here is a description of a universal joint:
Construction: A universal joint consists of two yoke-shaped or forked ends connected by a cross-shaped component called the spider. The yokes are connected to the shafts that need to be joined, while the spider sits in between them.
Cross and Bearings: The spider has four arms, each of which has a bearing at its end. The bearings fit into grooves in the yokes, allowing the spider to rotate freely.
Bearings: The bearings in a universal joint are typically needle bearings or roller bearings, which reduce friction and enable smooth rotation. They are housed within the yokes and provide support for the rotating components.
Lubrication: Universal joints require appropriate lubrication to reduce friction and wear. Grease or oil is applied to the bearings to ensure smooth rotation and prevent damage due to heat and friction.
Universal joints (U-joints) possess several features that contribute to their effectiveness and versatility in transmitting rotational motion between misaligned shafts. Here are some key features of universal joints:
Flexibility: Universal joints are designed to accommodate angular misalignment between the connected shafts. They can handle changes in angle and axial movement, allowing for flexibility in the system.
Compact Design: Universal joints have a relatively compact design, making them suitable for applications with limited space. Their compact size allows for easy integration into various mechanical systems.
Torque Transmission: Universal joints are capable of transmitting torque between shafts. When one shaft rotates, the U-joint transfers the rotational force to the other shaft, allowing for power transmission even in non-linear configurations.
High Load Capacity: Universal joints are designed to handle significant loads and torque. They are constructed with durable materials and incorporate robust bearings that can withstand the forces involved in transmitting power between shafts.
| Part Name | Universal Joint |
|---|---|
| OEM number | 37126-01G25 37126-01G26 37126-01GX5 |
| Car Model | Nissan Patrol Pickup Terrano TD25 TD27 VG30 RD28 |
| Size | 27mmx46m |
| Quality | 100% Quality Tested |
| Warranty | 1 Year |
| Package | Rexwell Or As Customers' Requests |
| Shipment | DHL/UPS/FEDEX/Air Cargo/Sea Shipping |
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Universal joints (U-joints) have numerous applications across various industries and mechanical systems. Here are some common applications of universal joints:
Automotive Drivelines: Universal joints are widely used in automotive drivelines, particularly in rear-wheel-drive and four-wheel-drive vehicles. They are used in propeller shafts (driveshafts) to transmit power from the transmission to the rear differential or front axle, allowing the wheels to rotate while accommodating suspension movement and driveline misalignment.
Industrial Machinery: Universal joints find application in various industrial machinery and equipment. They are used in power transmission systems, conveyors, printing presses, pumps, and other rotating machinery where misalignment between shafts may occur.
Agricultural Equipment: Universal joints are employed in agricultural machinery such as tractors, combines, and harvesters. They are used in power take-off (PTO) shafts to transfer power from the engine to attachments like mowers, balers, and sprayers, while allowing for movement and misalignment between the tractor and the implement.
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