China Professional Cast Iron Housing RC-61 75 HP Ratio 1: 1.46 Pto Rotary Cutter Mower Gearbox with 1-3/8″ 6-Spline Input Shaft supplier

Product Description

Cast iron housing RC-61 75 HP ratio 1:1.46 PTO Rotary cutter Mower Gearbox with 1-3/8″ 6-spline input shaft 

75 HP Rotary cutter gearbox with 1-3/8″ 6-spline input shaft and a gear ratio of 1:1.46. Cast iron housing is sealed to protect the gears and bearings. The mounting plate has 4 bolt holes spaced 5.5″ square. Ships without oil (16 oz of 80-90 W)

Gearbox has a piloted flange bottom to fit in a 5-5/8″ pilot hole in the mower/cutter deck.

Model Unit RC-30 RC-33 RC-61 RC-81
Housing material / QT450
Shafts material / 20CRMNTI
Gears material / 20CRMNTI
Seals / Triple lipped, spring loaded
Bearings / Tampered roller
Oil / EP-90-470z,
Horse power hp 30hp 45hp 60-80hp 100-120hp
Net weight kgs 16.5 19.7 33.5 43
Ratio / (1).1:1. (2).1:1.93. (3). 1:1.71. (4). 1:1.46.

Application:
Replaces OEM gearboxes on 5′, 6′ and 7′ rotary cutters by these manufacturers: Worksaver, Hawkline, International, WAC, Big Bee, LMC, King Kutter, Midwest, Servis, Bush Hog, some Howse and others. Please check measurements for proper fitment.

GEAR MATERIALS
20CrMnTi/20CrMnMo for your choice

CASTINGS MATERIALS
Gray cast iron HT250 according to standard GB/T 1348-2009 Ductile iron QT450-10 according to standard GB/T 1348-2009 Cast steel ZG310-570 according to standard GB/T 5613-2014

SHAFTS MATERIALS
40Cr,45#,20CrMnTi,20CrMnMo for your choice according to your request.

POWER To ensure the correct use of the product we recommand to pay attention to the specifications mentioned on our technical sheet.Consider also the input rotation speed,the power input and the transmission ratios.Where the rotation or other working conditions are different,please contact LongQuan technical department.

LUBRICATION
The reducer is usually supplied without lubricant.The recommended quantity of lubricant is indicated on our catalogue and the first replaced must be done after 50-60 hours of running,then replaced after 600-800 working hours. The emptying of the gearbox should be made immediately after the working,with the oil still hot,in order to avoid the deposition of sludge.Check frequently the oil level and top up the oil whenever necessary.

 

Related Products

Factory

Extensive use for agricultural machines
Guarantee: High precision, high wear resistance, low noise, smooth and steady, high strength

Our factory

 

 

 

Type: Agricultural Gearbox
Usage: Farmland Infrastructure, Agricultural Machine
Material: Carbon Steel
Power Source: Electricity
Weight: OEM
After-sales Service: Installation Guide
Samples:
US$ 999/Piece
1 Piece(Min.Order)

|
Request Sample

pto gearbox

Challenges in Using Miter Gearboxes

While miter gearboxes offer various advantages, they also come with certain challenges that need to be addressed:

Lubrication: Proper lubrication is crucial for miter gearboxes to minimize friction, heat, and wear between gear teeth. Ensuring consistent and sufficient lubrication in the gearbox can be challenging, especially in enclosed or hard-to-reach spaces.

Maintenance: Miter gearboxes require periodic maintenance to ensure their optimal performance and longevity. Maintenance tasks may include checking and replenishing lubrication, inspecting gear teeth for wear, and addressing any misalignment or mounting issues that may arise over time.

Backlash: Backlash, or the clearance between gear teeth, can impact the accuracy of motion transfer. Excessive backlash can lead to reduced precision and positioning errors in applications that require high accuracy.

Complex Design: Miter gearboxes have a more intricate design compared to some other gearbox types, which can make manufacturing, assembly, and maintenance more complex. This complexity may also result in higher manufacturing and maintenance costs.

Efficiency Loss: Miter gearboxes can experience efficiency losses due to factors such as friction and misalignment. These losses can reduce the overall efficiency of power transmission, leading to energy wastage.

Space Constraints: In some applications, space limitations can pose a challenge when integrating miter gearboxes, especially when larger gear ratios are required to achieve the desired motion direction change.

Shock Loads: Applications subject to sudden shock loads or high impact forces can pose challenges for miter gearboxes. Adequate measures, such as using shock-absorbing components or designing for higher durability, may be required to address these challenges.

Alignment and Mounting: Proper alignment and mounting of miter gearboxes are critical to ensure smooth operation and prevent premature wear. Achieving precise alignment can be challenging, especially in installations with limited access or complex geometries.

Cost Considerations: The design complexity and manufacturing requirements of miter gearboxes can contribute to higher costs compared to simpler gearbox types. Balancing the benefits of miter gearboxes with the associated costs is essential during the selection process.

Addressing these challenges often requires careful engineering, proper maintenance practices, and consideration of specific application requirements. Despite the challenges, miter gearboxes remain valuable components in various industries where their unique motion direction-changing capabilities are advantageous.

pto gearbox

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.

pto gearbox

Advantages of Using a Miter Gearbox in Various Applications

Miter gearboxes offer several advantages in various mechanical applications:

  • Change of Motion Direction: One of the primary advantages of miter gearboxes is their ability to change the direction of rotational motion by 90 degrees. This allows for efficient power transmission and motion redirection in tight spaces or when components need to be oriented differently.
  • Space Efficiency: Miter gearboxes are compact and space-saving solutions for transmitting power around corners or obstacles. They eliminate the need for additional components or complex mechanisms to achieve a change in motion direction.
  • Torque Transmission: These gearboxes are capable of transmitting high levels of torque between intersecting shafts. The meshing of bevel gears provides a solid and reliable torque transfer, making miter gearboxes suitable for applications requiring substantial torque conversion.
  • Precision and Alignment: Miter gearboxes ensure accurate alignment and synchronization between input and output shafts. The conical shape of bevel gear teeth allows for smooth meshing and reduces the potential for backlash, ensuring precise motion transfer.
  • Wide Range of Applications: Miter gearboxes find utility in diverse industries, including robotics, automotive, aerospace, manufacturing, and machinery. Their flexibility and ability to redirect motion make them suitable for tasks ranging from conveyor systems to steering mechanisms.
  • Reduced Maintenance: The simplicity of the miter gearbox design often results in lower maintenance requirements. The robust construction and efficient power transmission contribute to extended operational lifetimes.

Overall, the advantages of using a miter gearbox make it a versatile and effective solution for applications that demand changes in motion direction, space-saving designs, and reliable torque transmission.

China Professional Cast Iron Housing RC-61 75 HP Ratio 1: 1.46 Pto Rotary Cutter Mower Gearbox with 1-3/8China Professional Cast Iron Housing RC-61 75 HP Ratio 1: 1.46 Pto Rotary Cutter Mower Gearbox with 1-3/8
editor by CX 2023-09-06

Recent Posts