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China supplier Chinese Marine Gear Box 300 Gearbox for Sales gearbox and motor

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 300 – 3,00:1

MEDIUM/HEAVY DUTY GEARBOX

Reference number A-300-3,00
Brand Advance
Model 300
Ratio 3:1
Power 594 HP @ 1800 RPM
Max. Power 825 HP @ 2500 RPM
RPM Range 1000-2500
Rated propeller thrust 50 kn
N/n 0,33 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 264 mm
LxWxH 638x870x864 mm
Net. weight 740 kg

AVAILABLE ARRANGEMENTS

Ratio 1,87:1 2,04:1 2,54:1 3:1 3,53:1 4,1:1 4,47:1 4,61:1 4,94:1 5,44:1
Rate 0,35 hp/rpm 0,33 hp/rpm 0,30 hp/rpm 0,25 hp/rpm 0,20 hp/rpm 0,17 hp/rpm

Marine propeller

Our Service

 

Pre-Sales Service

* Inquiry and consulting support. 
* Sample testing support. 
* View our Factory.

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
 
 

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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

What are the Noise Levels Associated with Worm Gearboxes?

The noise levels associated with worm gearboxes can vary depending on several factors, including the design, quality, operating conditions, and maintenance of the gearbox. Here are some key points to consider:

  • Design and Quality: Well-designed and high-quality worm gearboxes tend to produce lower noise levels. Factors such as gear tooth profile, precision manufacturing, and proper alignment can contribute to reduced noise.
  • Gear Engagement: The way the worm and worm wheel engage and mesh with each other can impact noise levels. Proper tooth contact and alignment can help minimize noise during operation.
  • Lubrication: Inadequate or improper lubrication can lead to increased friction and wear, resulting in higher noise levels. Using the recommended lubricant and maintaining proper lubrication levels are important for noise reduction.
  • Operating Conditions: Operating the gearbox within its specified load and speed limits can help prevent excessive noise generation. Overloading or operating at high speeds beyond the gearbox’s capabilities can lead to increased noise.
  • Backlash: Excessive backlash or play between the gear teeth can lead to impact noise as the teeth engage. Proper backlash adjustment can help mitigate this issue.
  • Maintenance: Regular maintenance, including gear inspection, lubrication checks, and addressing any wear or damage, can help keep noise levels in check.

It’s important to note that while worm gearboxes can produce some noise due to the nature of gear meshing, proper design, maintenance, and operation can significantly reduce noise levels. If noise is a concern for your application, consulting with gearbox manufacturers and experts can provide insights into selecting the right gearbox type and implementing measures to minimize noise.

worm gearbox

How to Calculate the Efficiency of a Worm Gearbox

Calculating the efficiency of a worm gearbox involves determining the ratio of output power to input power. Efficiency is a measure of how well the gearbox converts input power into useful output power without losses. Here’s how to calculate it:

  • Step 1: Measure Input Power: Measure the input power (Pin) using a power meter or other suitable measuring equipment.
  • Step 2: Measure Output Power: Measure the output power (Pout) that the gearbox is delivering to the load.
  • Step 3: Calculate Efficiency: Calculate the efficiency (η) using the formula: Efficiency (η) = (Output Power / Input Power) * 100%

For example, if the input power is 1000 watts and the output power is 850 watts, the efficiency would be (850 / 1000) * 100% = 85%.

It’s important to note that efficiencies can vary based on factors such as gear design, lubrication, wear, and load conditions. The calculated efficiency provides insight into how effectively the gearbox is converting power, but it’s always a good practice to refer to manufacturer specifications for gearbox efficiency ratings.

worm gearbox

How to Select the Right Worm Gearbox for Your Application

Selecting the right worm gearbox for your application involves careful consideration of various factors:

  • Load Requirements: Determine the torque and load requirements of your application to ensure the selected gearbox can handle the load without compromising performance.
  • Speed Reduction: Calculate the required gear reduction ratio to achieve the desired output speed. Worm gearboxes are known for high reduction ratios.
  • Efficiency: Consider the gearbox’s efficiency, as worm gearboxes typically have lower efficiency due to the sliding action. Evaluate whether the efficiency meets your application’s needs.
  • Space Constraints: Assess the available space for the gearbox. Worm gearboxes have a compact design, making them suitable for applications with limited space.
  • Mounting Options: Determine the mounting orientation and configuration that best suits your application.
  • Operating Environment: Consider factors such as temperature, humidity, and exposure to contaminants. Choose a gearbox with appropriate seals and materials to withstand the environment.
  • Backlash: Evaluate the acceptable level of backlash in your application. Worm gearboxes may exhibit more backlash compared to other gear types.
  • Self-Locking: If self-locking capability is required, confirm that the selected gearbox can prevent reverse motion without the need for external braking mechanisms.
  • Maintenance: Consider the maintenance requirements of the gearbox. Some worm gearboxes require periodic lubrication and maintenance to ensure proper functioning.
  • Cost: Balance the features and performance of the gearbox with the overall cost to ensure it aligns with your budget.

Consult with gearbox manufacturers or experts to get recommendations tailored to your specific application. Testing and simulations can also help validate the suitability of a particular gearbox for your needs.

China supplier Chinese Marine Gear Box 300 Gearbox for Sales   gearbox and motor	China supplier Chinese Marine Gear Box 300 Gearbox for Sales   gearbox and motor
editor by CX 2024-03-02

Gearbox-worm

As one of leading gearbox worm manufacturers, suppliers and exporters of mechanical products, We offer gearbox worm and many other products.

Please contact us for details.

Mail: [email protected]

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