Descripción del Producto
Agricultural PTO LF-139A Tractor Rotary Mower Gearbox
Descripción del Producto
The rotary mower gearbox LF-139A is a component of a rotary mower that helps transfer power from the mower’s engine to its blades. The gearbox typically contains gears and bearings that help to reduce the speed of the mower’s engine while increasing the torque applied to the blades. This allows the mower to cut through grass and other vegetation effectively.
The gearbox may also have additional features, such as a clutch, which can be engaged or disengaged to start or stop the blades, and a gear reduction system, which allows the mower to operate at different speeds to accommodate different types of terrain or grass thicknesses.
It’s important to maintain and periodically inspect the gearbox to ensure that it’s operating smoothly and efficiently. Regular maintenance may involve lubrication of the gears and bearings, an inspection of the seals and bearings for damage or wear, and replacement of any damaged or worn parts.
Product Parameters
| i | N1[rpm] | P1[kW] | M2[Nm] | Shaft Type | Input | |
| X | Z | |||||
| 1.50 | 540 | 66 | 755 | 1” 3/8 Z6
1” 3/4 Z20 |
Hub connection | X |
| 1.20 | 1000 | 66 | 509 | 1” 3/4 Z20 | Hub connection | X |
Perfil de la empresa
We are a professional company engaged in the R&D, design, and manufacturing of gearboxes. The company has introduced a number of sophisticated production and testing equipment. We have successfully developed 800Nm-11200Nm planetary gearboxes for construction machinery, special planetary gearboxes for mixers, special planetary gearboxes for buildings, special reducers for mines, wind power reducers, hydraulic rotary, winch series, gearboxes for rolling mills, and other series of gearboxes with hundreds of thousands of specifications. The products have been widely used in building materials, metallurgy, engineering machinery, hoisting, shipping, chemical, pharmaceutical, electric power, and other supporting units and engineering projects.
Since its establishment, the company has been accelerating the pace of scientific and technological innovation and independent brand construction to build its core competitiveness with new thinking and new manufacturing awareness.
Our Equipments
Proceso de dar un título
Packaging and Shipment
Related products
PTO Shaft
Agricultural gearbox:
Flail mower gearbox, rotary tiller gearbox, lawn mower gearbox, rotary cutter gearbox, agricultural sprayer gearbox, post hole digger gearbox, feed mixer gearbox, rotary mower gearbox, gearbox for circular saws, irrigation reels gearbox, agricultural generator gearbox, fertilizer spreader gearbox, hydraulic drive gearbox, manure spreader gearbox, rotary rakes gearbox, hay tedders gearbox, micro tiller gearbox, cutter bars gearbox, fertilizer mixer gearbox, agitators gearbox for sewage, round baler gearbox, snowblower gearbox
| Solicitud: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Función: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Disposición: | Three-Ring |
| Dureza: | Superficie del diente endurecida |
| Instalación: | Torque Arm Type |
| Paso: | Stepless |
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) | |
|---|
Limitations of Maximum Torque Handling in Miter Gearboxes
Miter gearboxes, like any mechanical component, have limitations to the maximum torque they can handle:
Material Strength: The torque-handling capacity of miter gearboxes is influenced by the strength and durability of the materials used in their construction. If the materials are not sufficiently strong, they may deform or fail under high torque loads.
Gear Tooth Design: The design and geometry of the gear teeth play a crucial role in torque transmission. In miter gearboxes, the size, shape, and angle of the gear teeth impact the torque-carrying capacity. Improper gear tooth design can result in premature wear and reduced torque handling.
Lubrication and Cooling: Adequate lubrication is essential to reduce friction and heat generated during operation. Inadequate lubrication can lead to increased friction, heat buildup, and potential damage to the gears, limiting the gearbox’s torque capacity.
Dynamic Load Factors: The type of load the gearbox experiences, such as shock loads or sudden changes in torque, can impact its torque-handling capability. High dynamic loads can exceed the gearbox’s capacity and lead to failure.
Mounting and Support: The mounting and support of the miter gearbox within the mechanical system can affect its torque-handling capacity. Poorly supported gearboxes may experience misalignment or excessive stress, leading to reduced torque capabilities.
Size and Configuration: The physical size and configuration of the miter gearbox can impact its torque-handling capacity. Larger gearboxes with more robust components may have higher torque limits compared to smaller or more compact designs.
Operating Conditions: Environmental factors such as temperature, humidity, and vibration can affect the torque capacity of miter gearboxes. Extreme conditions can cause material degradation or loss of lubrication efficiency, reducing the gearbox’s overall torque-handling ability.
Manufacturing Tolerances: Variations in manufacturing processes and tolerances can lead to differences in torque capacity between individual gearboxes. Tighter manufacturing tolerances generally result in higher torque handling.
It is important to consider these limitations when selecting and designing miter gearboxes for specific applications. Proper engineering, material selection, lubrication, and operating conditions play a critical role in ensuring that miter gearboxes operate within their intended torque limits and provide reliable performance.
Differences Between Miter Gearboxes and Other Types of Gearboxes
Miter gearboxes possess distinct characteristics that differentiate them from other types of gearboxes, such as helical, spur, and planetary gearboxes. These differences contribute to their unique capabilities and suitability for specific applications:
- Gear Arrangement: Miter gearboxes utilize bevel gears that intersect at a 90-degree angle. In contrast, helical and spur gearboxes use parallel or co-planar gear arrangements, and planetary gearboxes feature multiple gears arranged around a central sun gear.
- Motion Direction Change: Miter gearboxes excel at changing the direction of rotational motion by 90 degrees. Other gearboxes may change motion direction by different angles or maintain the same direction.
- Compactness: Miter gearboxes are known for their compact design, making them suitable for applications with limited space. Planetary gearboxes, while compact, have a different internal structure.
- Backlash Control: Miter gearboxes are designed to minimize backlash and ensure accurate motion transfer. Helical and spur gearboxes may have more backlash due to their gear arrangement, while planetary gearboxes can provide good backlash control.
- Torque and Speed: Different gearboxes vary in their torque and speed capabilities. Miter gearboxes are suitable for moderate torque and speed applications, while planetary gearboxes offer high torque density.
- Applications: Miter gearboxes are commonly used for applications requiring 90-degree changes in motion direction, such as conveyor systems, printing machinery, and some types of industrial equipment. Helical and spur gearboxes are prevalent in various machinery and equipment. Planetary gearboxes find use in robotics, aerospace, and heavy machinery.
Each type of gearbox has its own advantages and is chosen based on the specific requirements of the application, including space constraints, motion control precision, torque, and speed needs.
Transmission of Motion at a 90-Degree Angle by Bevel Gears in a Miter Gearbox
Bevel gears in a miter gearbox are specifically designed to transmit motion at a 90-degree angle between intersecting shafts. This is achieved through the unique tooth profile and arrangement of the bevel gears.
Bevel gears have conical-shaped teeth that taper towards the apex of the cone. In a miter gearbox, two bevel gears with identical tooth profiles are mounted on shafts that intersect at a 90-degree angle. The orientation of the teeth allows the gears to mesh smoothly and transmit motion from one shaft to another while changing the direction of rotation by 90 degrees.
As one bevel gear rotates, its conical teeth engage with the teeth of the second bevel gear, causing the second shaft to rotate perpendicular to the first shaft. The gear ratio and tooth configuration determine the speed and torque relationship between the input and output shafts.
Overall, the precise design of bevel gears and their arrangement in a miter gearbox enables efficient and reliable transmission of motion at a right angle, making them well-suited for applications that require changes in direction within mechanical systems.
editor by CX 2023-10-12
