China Standard Advanced Nmrv063 Sequential Gearbox with Hot selling

Product Description

 HangZhou ADVANCE Gearbox

 

Product Description

ADVANCE 120C marine gearbox

This series of Marine gear box has the functions of decelerating, reversing, CHINAMFG clutch and bearing propeller thrust. It has the characteristics of compact structure, small volume, light weight and high speed. It can be matched with high speed engine to form a Marine power unit, of which the input and output Angle of HCV120 gearbox is 7° on the same side.

Successful Project

 

 

Product Parameters

Input Speed  1500~3000r/min
Reduction Ratio (i) 2.03,2.46 Transmission Capacity  (kW/r/min) 0.02
3.04 0.018
3.57 0.016
4.05 0.014
4.39 0.013
4.7 0.011
Maneuver Type  Push-pull flexible Shaft 
Center Distance  125mm
Rated Thrust  5.5KN
L×W×H  291*454*485mm
Net Weight   115kg
Coupling Flywheel  SAE 11.5/10
Coupling Housing  SAE 2/3/4

Product Configuration

CUSTOMIZE YOUR MACHINE

Oil Pressure Gauge and Alarm Device

Oil Temperature Gauge and Alarm Device

SAE Flywheel Housing Options

Hydraulic Pressure Low Alarm

Solenoid Controlled Switch

…….

 

CONTACT US FOR MORE DETAILS YOU NEED!

Company Profile

Certifications

Packaging & Shipping

FAQ

 

1. Processing
Orders are usually packed and ready to ship in 1 to 3 business days if the products are in stock. However shipments are subiect to required manufacturing time and customs clearance procedures. which can cause delays beyond original delivery estimates. For detailed delivery information, please contact customer service.
2. Packing Methods
Normally we use wooden boxes for packaging or we can pack it according to your special needs.
3. Shipping Methods
We are happy to offer a variety of shipping methods. Shipping methods available: EXW.FOB.CER. CIF
4. International Returns & Exchanges
Unfortunately we can’t accept retums on intemational orders. We will test each product before dellverv One-year manufacturer warranty is quaranteed on our complete machines and 3 months on spare parts. 1 you have any concerns with your order, please reach out to customer service
5. Payment Methods
We sugqest 50/50 T/T payment method: 50 percent down payment on placement of the order, with the remaining 50% due CHINAMFG shipment. We also accept L/C, Trade Assurance, Visa transfer and Paypal 

 

Application: Machinery, Marine
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Type: Worm Gear Box
Certificate: CCS

worm gearbox

Can a Worm Gearbox be Used for High-Speed Applications?

Worm gearboxes are generally not recommended for high-speed applications due to their inherent design characteristics. Here’s why:

  • Efficiency: Worm gearboxes tend to have lower efficiency compared to other gearbox types, which means they can generate more heat and experience more energy loss at high speeds.
  • Heat Generation: The sliding contact between the worm and worm wheel in a worm gearbox can lead to significant friction and heat generation, especially at high speeds. This heat can cause thermal expansion, affecting the gearbox’s performance and longevity.
  • Wear and Noise: High speeds can exacerbate wear and noise issues in worm gearboxes. Increased friction and wear can lead to faster degradation of components, resulting in reduced lifespan and increased maintenance needs.
  • Backlash: Worm gearboxes may have higher backlash compared to other gearbox types, which can impact precision and accuracy in high-speed applications.

While worm gearboxes are more commonly used in applications requiring high torque and moderate speeds, they may not be the best choice for high-speed scenarios. If high-speed operation is a requirement, other gearbox types such as helical, spur, or planetary gearboxes are often better suited due to their higher efficiency, lower heat generation, and reduced wear at elevated speeds.

worm gearbox

How to Calculate the Input and Output Speeds of a Worm Gearbox?

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:

  • Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
  • Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:

    N2 = N1 / (Z1 * i)

Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.

worm gearbox

How Does a Worm Gearbox Compare to Other Types of Gearboxes?

Worm gearboxes offer unique advantages and characteristics that set them apart from other types of gearboxes. Here’s a comparison between worm gearboxes and some other common types:

  • Helical Gearbox: Worm gearboxes have higher torque multiplication, making them suitable for heavy-load applications, while helical gearboxes are more efficient and offer smoother operation.
  • Bevel Gearbox: Worm gearboxes are compact and can transmit motion at right angles, similar to bevel gearboxes, but worm gearboxes have self-locking capabilities.
  • Planetary Gearbox: Worm gearboxes provide high torque output and are cost-effective for applications with high reduction ratios, whereas planetary gearboxes offer higher efficiency and can handle higher input speeds.
  • Spur Gearbox: Worm gearboxes have better shock load resistance due to their sliding motion, while spur gearboxes are more efficient and suitable for lower torque applications.
  • Cycloidal Gearbox: Cycloidal gearboxes have high shock load capacity and compact design, but worm gearboxes are more cost-effective and can handle higher reduction ratios.

While worm gearboxes have advantages such as high torque output, compact design, and self-locking capability, the choice between gearbox types depends on the specific requirements of the application, including torque, efficiency, speed, and space limitations.

China Standard Advanced Nmrv063 Sequential Gearbox   with Hot selling		China Standard Advanced Nmrv063 Sequential Gearbox   with Hot selling
editor by CX 2023-09-21