China Standard Advance Marine Gearbox 06 16A 120b 120c 135A 135 gearbox assembly

Product Description

ZheJiang STONE DIESEL ENGINE CO.,LTD supply Advance marine gearbox 06 16A 120B 120C 135A 135 .


06 marine gearbox      
Input speed 1000-2100r/min
Reduction ratio 2.52,3.05,3.50 Trans. capacity 0.004kw/r/min
Control way Manually
Rated thrust 1.8KN
Center distance 124mm
L×W×H 350×316×482mm
Net weight 58kg
Flywheel 195C
Bell housing 195C


16A marine gearbox      
Input speed 1000-2000r/min
Reduction ratio 2.07,2.48,2.95,3.35,3.83 Trans. capacity 0.012kw/r/min
Control way Manually
Rated thrust 3.5KN
Center distance 135mm
L×W×H 422×325×563mm
Net weight 84kg
Flywheel 2105C 395,SAE11.5,10
Bell housing 2105C 395,SAE3,4


120B marine gearbox      
Input speed 750-1800r/min
  2.03,2.81   0.088kw/r/min
Reduction ratio 3.73 Trans. capacity 0.044kw/r/min
Control way Push-and-pull flexible shaft, electrically
Rated thrust 25KN
Center distance 190mm
L×W×H 605×744×770mm
Net weight 400kg
Flywheel 6135Ca,4120,SAE14
Bell housing 6135Ca,4120,SAE1


135 marine gearbox      
Input speed 750-2000r/min
  2.03,2.59,3.04,3.62,4.11   0.10kw/r/min
  4.65   0.093kw/r/min
  5.06   0.088kw/r/min
  5.47   0.077kw/r/min
Reduction ratio 5.81 Trans. capacity 0.070kw/r/min
Control way Push-and-pull flexible shaft, electrically
Rated thrust 29.4KN
Center distance 225mm
L×W×H 578×744×830mm
Net weight 470kg
Flywheel 6135Ca,SAE14
Bell housing 6135Ca,SAE1


120C marine gearbox      
Input speed 1000-2500r/min
  1.48,1.94,2.45   0.10kw/r/min
  2.96   0.09kw/r/min
Reduction ratio 3.35 Trans. capacity 0.08kw/r/min
Control way Push-and-pull flexible shaft, electrically
Rated thrust 25KN
Center distance 180mm
L×W×H 432×440×650mm
Net weight 225kg
Flywheel 6135Ca,SAE14,11.5
Bell housing 6135Ca,SAE1,2,3

06 products description:

06 marine gearbox, gearbox, transmission.

China Top Brand.

The largest producer of gearbox in China.

Max12.5HP at 2100RPM.

Center distance: 124mm.

Engine Speed: 1000-2100 RPM

LxWxH: 350X 316 X482mm

Options /Comments: Mechanical -joint clutch

Engine: CZPT TS130; TS155; HATZ E786

Rated propeller thrust: 1.8KN


16A Marine Gearbox, gearbox

China Top Brand

The largest producer of gearbox in China

Max. 33HP at 2000RPM.

Engine speed 1000-2000 RPM

L X W xH: 422X 325 X563 mm

Options /comments: Mechanical -joint clutch

Centre distance: 135mm

Engine: MWM D226-2 HATZ 3M31

Rated propeller thrust: 3.5KN

Our promise:

Our advantages:

1. The Leading Companies of China’sIndustrial Sector

2. Top 100 Companies in China’s Mechanical Industry

3. Top 500 Competitiveness of China’s Large Enterprises Groups

4. Listed company in shanhai stock exchange

5. Our company passed the certificate of ISO9001 quality management system & ISO 14001 Environmental management system, OHSMS18001 occupational health and safety management system.

6. All the products have the approval of CCS.

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Application: Marine
Function: Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Single-Step

planetary gearbox

Challenges in Achieving High Gear Ratios with Compactness in Planetary Gearboxes

Designing planetary gearboxes with high gear ratios while maintaining compactness presents several challenges:

  • Space Constraints: As the gear ratio increases, the number of gear stages required also increases. This can lead to larger gearbox sizes, which may be challenging to accommodate in applications with limited space.
  • Bearing Loads: Higher gear ratios often result in increased loads on the bearings and other components due to the redistribution of forces. This can impact the durability and lifespan of the gearbox.
  • Efficiency: Each gear stage introduces losses due to friction and other factors. With multiple stages, the overall efficiency of the gearbox can decrease, affecting its energy efficiency.
  • Complexity: Achieving high gear ratios can require complex gear arrangements and additional components, which can lead to increased manufacturing complexity and costs.
  • Thermal Effects: Higher gear ratios can lead to greater heat generation due to increased friction and loads. Managing thermal effects becomes crucial to prevent overheating and component failure.

To address these challenges, gearbox designers use advanced materials, precise machining techniques, and innovative bearing arrangements to optimize the design for both compactness and performance. Computer simulations and modeling play a critical role in predicting the behavior of the gearbox under different operating conditions, helping to ensure reliability and efficiency.

planetary gearbox

Signs of Wear or Damage in Planetary Gearboxes and Recommended Service

Planetary gearboxes, like any mechanical component, can exhibit signs of wear or damage over time. Recognizing these signs is crucial for timely maintenance to prevent further issues. Here are some common signs of wear or damage in planetary gearboxes:

1. Unusual Noise: Excessive noise, grinding, or whining sounds during operation can indicate worn or misaligned gear teeth. Unusual noise is often a clear indicator that something is wrong within the gearbox.

2. Increased Vibration: Excessive vibration or shaking during operation can result from misalignment, damaged bearings, or worn gears. Vibration can lead to further damage if not addressed promptly.

3. Gear Tooth Wear: Inspect gear teeth for signs of wear, pitting, or chipping. These issues can result from improper lubrication, overload, or other operational factors. Damaged gear teeth can affect the gearbox’s efficiency and performance.

4. Oil Leakage: Leakage of gearbox oil or lubricant can indicate a faulty seal or gasket. Oil leakage not only leads to reduced lubrication but can also cause environmental contamination and further damage to the gearbox components.

5. Temperature Increase: A significant rise in operating temperature can suggest increased friction due to wear or inadequate lubrication. Monitoring temperature changes can help identify potential issues early.

6. Reduced Efficiency: If you notice a decrease in performance, such as decreased torque output or inconsistent speed, it could indicate internal damage to the gearbox components.

7. Abnormal Gear Ratios: If the output speed or torque does not match the expected gear ratio, it could be due to gear wear, misalignment, or other issues affecting the gear engagement.

8. Frequent Maintenance Intervals: If you find that you need to service the gearbox more frequently than usual, it could be a sign that the gearbox is experiencing excessive wear or damage.

When to Service: If any of the above signs are observed, it’s important to address them promptly. Regular maintenance checks are also recommended to detect potential issues early and prevent more significant problems. Scheduled maintenance should include inspections, lubrication checks, and replacement of worn or damaged components.

It’s advisable to consult the gearbox manufacturer’s guidelines for recommended service intervals and practices. Regular maintenance can extend the lifespan of the planetary gearbox and ensure it continues to operate efficiently and reliably.

planetary gearbox

Impact of Gear Ratio on Output Speed and Torque in Planetary Gearboxes

The gear ratio of a planetary gearbox has a significant effect on both the output speed and torque of the system. The gear ratio is defined as the ratio of the number of teeth on the driven gear (output) to the number of teeth on the driving gear (input).

1. Output Speed: The gear ratio determines the relationship between the input and output speeds of the gearbox. A higher gear ratio (more teeth on the output gear) results in a lower output speed compared to the input speed. Conversely, a lower gear ratio (fewer teeth on the output gear) leads to a higher output speed relative to the input speed.

2. Output Torque: The gear ratio also affects the output torque of the gearbox. An increase in gear ratio amplifies the torque delivered at the output, making it higher than the input torque. Conversely, a decrease in gear ratio reduces the output torque relative to the input torque.

The relationship between gear ratio, output speed, and output torque is inversely proportional. This means that as the gear ratio increases and output speed decreases, the output torque proportionally increases. Conversely, as the gear ratio decreases and output speed increases, the output torque proportionally decreases.

It’s important to note that the gear ratio selection in a planetary gearbox involves trade-offs between output speed and torque. Engineers choose a gear ratio that aligns with the specific application’s requirements, considering factors such as desired speed, torque, and efficiency.

China Standard Advance Marine Gearbox 06 16A 120b 120c 135A 135   gearbox assembly	China Standard Advance Marine Gearbox 06 16A 120b 120c 135A 135   gearbox assembly
editor by CX 2024-04-17