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China supplier Boat Use Chinese Marine Gear Box 300 Series Reduction Gearbox for Sale gearbox adjustment

Product Description

 

Product Description

 

Application

Marine Gearbox D300A is suitable for fishing, tug, engineering and transport boats.
 

 

Description

Marine Gearbox D300A possesses functions of speed reduction, ahead and astern clutching and bearing propeller thrust. It is designed of vertically offset and one-stage transmission, featuring in small in volume, large in ratio, light in weight and easy in dismantle & reassemble and maintain.

 

Main Data
 

Input speed

1000-2500r/min

Reduction ratio

4.00

Trans. capacity

0.257kw/r/min

4.48

0.243kw/r/min

5.05

0.221kw/r/min

5.52,5.90

0.184kw/r/min

6.56,7.06

0.147kw/r/min

7.63

0.125kw/r/min

Control way

Push-and-pull flexible shaft, electrically, pneumatically

Rated thrust

60KN

Center distance

355mm

L×W×H

786×980×1041mm

Net weight

940kg

Flywheel

12V135,SAE18,16,14

CHINAMFG housing

12V135,SAE0,1

 

 

 

ADVANCE D300A – 4:1

MEDIUM/HEAVY DUTY GEARBOX

Reference number A-D300A-4
Brand Advance
Model D300A
Ratio 4:1
Power 630 HP @ 1800 RPM
Max. Power 805 HP @ 2300 RPM
RPM Range 1000-2300
Rated propeller thrust 60 kn
N/n 0,35 hp/rpm

FEATURES & OPTIONS

Sae housing Without/sae-0/sae-1
Controls Mechanical/ electrical
Pto Available
Note If using flexible couping, rate will rise 8%
Coupling size 18 /16 /14 inch
Coupling type Rubber block drive, with alu. ring/(high) flexible coupling

DIMENSIONS

Vertical offset 355 mm
LxWxH 786x920x1040 mm
Net. weight 940 kg

AVAILABLE ARRANGEMENTS

Ratio 4,48:1 4:1 5,05:1 5,52:1 5,9:1 6,56:1 7,06:1 7,63:1
Rate 0,33 hp/rpm 0,35 hp/rpm 0,30 hp/rpm 0,25 hp/rpm 0,20 hp/rpm 0,17 hp/rpm

Marine Propeller

 

 

Our Service

 

1) Pre-Sales Service

* Inquiry and consulting support. 

* Sample testing support. 

* View our Factory.

2) After-Sales Service

* Training how to instal the machine, training how to use the machine. 

* Engineers available to service machinery overseas.

   

 

 

Company Profile

Our Company

We can provide:
WEICHAI
Sales of Chinese marine engines and gearboxes, generator sets, pump units, providing modification, upgrades, consulting services

Products China marine engine parts and engineering machinery parts. Products include: CHINAMFG HOWO, CHINAMFG Power,   SHXIHU (WEST LAKE) DIS.I, service
Provide cargo warehousing, packaging, transportation and export agency services
Agency procurement, inspection and inspection agency.

HangZhou CHINAMFG power Co., Ltd
Contaction Person: ceci lee
 

 

 

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Application: Motor, Marine
Function: Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Cycloidal
Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

worm gearbox

Maintenance Tips for Prolonging the Life of a Worm Gearbox

Proper maintenance is essential to ensure the longevity and reliable performance of a worm gearbox. Here are some maintenance tips to consider:

  • Lubrication: Regularly check and replenish the lubricant in the gearbox. Use the recommended lubricant type and quantity specified by the manufacturer.
  • Lubrication Schedule: Follow a lubrication schedule based on the operating conditions and manufacturer recommendations. Regular lubrication prevents friction, reduces wear, and dissipates heat.
  • Temperature Monitoring: Keep an eye on the operating temperature of the gearbox. Excessive heat can degrade the lubricant and damage components.
  • Cleanliness: Keep the gearbox and surrounding area clean from debris and contaminants. Regularly inspect and clean the gearbox exterior.
  • Seal Inspection: Check for any leaks or damage to seals and gaskets. Replace them promptly to prevent lubricant leaks and contamination.
  • Alignment: Ensure proper alignment between the worm and worm wheel. Misalignment can lead to increased wear and reduced efficiency.
  • Torque Monitoring: Monitor the torque levels during operation. Excessive torque can cause overloading and premature wear.
  • Regular Inspections: Periodically inspect all components for signs of wear, damage, or unusual noise. Replace worn or damaged parts promptly.
  • Proper Usage: Operate the gearbox within its specified limits, including load, speed, and temperature. Avoid overloading or sudden changes in operating conditions.
  • Expert Maintenance: If major maintenance or repairs are needed, consult the manufacturer’s guidelines or seek the assistance of qualified technicians.

By following these maintenance tips and adhering to the manufacturer’s recommendations, you can extend the lifespan of your worm gearbox and ensure its optimal performance over time.

worm gearbox

Worm Gearbox vs. Helical Gearbox: A Comparison

Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:

Aspect Worm Gearbox Helical Gearbox
Efficiency Lower efficiency due to sliding friction between the worm and worm wheel. Higher efficiency due to rolling contact between helical gear teeth.
Torque Transmission Excellent torque transmission and high reduction ratios achievable in a single stage. Good torque transmission, but may require multiple stages for high reduction ratios.
Noise and Vibration Generally higher noise and vibration levels due to sliding action. Lower noise and vibration levels due to smoother rolling contact.
Backlash Higher inherent backlash due to the design. Lower backlash due to meshing of helical teeth.
Efficiency at Higher Speeds Less suitable for high-speed applications due to efficiency loss. More suitable for high-speed applications due to higher efficiency.
Overload Protection Natural self-locking feature provides some overload protection. May not have the same level of inherent overload protection.
Applications Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. Widely used in various applications including automotive transmissions, industrial machinery, and more.

Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.

worm gearbox

Types of Worm Gear Configurations and Their Uses

Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:

  • Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
  • Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
  • Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
  • Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
  • Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
  • Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.

Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.

China supplier Boat Use Chinese Marine Gear Box 300 Series Reduction Gearbox for Sale   gearbox adjustment	China supplier Boat Use Chinese Marine Gear Box 300 Series Reduction Gearbox for Sale   gearbox adjustment
editor by CX 2024-03-13

Gearbox-worm

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