Product Description

marine gearbox ADVANCE HCT400A HCT400A/1 HC600A HCD600A HCT600A for ship and boat 
marine gearbox ADVANCE Z300 T300/1 HCG403 J300 HC400 HCD400A for ship and boat 
marine gearbox ADVANCE MB242 MB270A 300 HC300 D300A T300 for main propulsion
marine gearbox ADVANCE MB170 120B 120C 135A HC138 HCD138 for small boat engine
marine gearbox ADVANCE 06 16A 26 MA100A MA125A MA142A 40A for small boat engine
ADVANCE marine gearbox HCT600A/1 HCD800 HCT800 HCT800/1 HCT800/2 for ship and boat 
ADVANCE marine gearbox HCT800/3 HC1000 HCD1000 HCT1100 HC1200 for ship and boat 
ADVANCE marine gearbox HC1200/1 HCT1200 HCT1200/1 HC1250 HCD1400 for ship and boat 
ADVANCE marine gearbox HCT1400 HCT1600 HCD2000 HCT200 HCD2700 for ship and boat 
ADVANCE marine gearbox JL250 JL320 JL360 HC200P for ship and boat marine engine
Multi-functional multi-output auxiliary box(speed up)
ADVANCE marine gearbox 4LZF1100A 2LZF650 for ship and boat marine engine
Hybrid gearbox (with PTO/PTI)
ADVANCE marine gearbox HCT601P HCD450P for ship and boat marine engine
ADVANCE marine gearbox HC038A HC65 MV100A HCQ138 HCA138 HC200 for ship and boat marine engine
ADVANCE marine gearbox HC201 HCQ300 HCA300 HCQ401 HCQ501 HCQ502 for ship and boat marine engine
ADVANCE marine gearbox HCQ700 HCQ701 HCQ1000 HCQ1400 HCA1400 for ship and boat marine engine  
ADVANCE marine gearbox HCM1400 HCQ1600 HCQH1600 HCQH1601 for ship and boat marine engine
ADVANCE marine gearbox HCL30S HCL30F HCL100S HCL100F HCL250S for ship and boat marine engine
ADVANCE marine gearbox HCL250F HCL320S HCL320F HCL600S HCL600F for ship and boat marine engine

ZheJiang STONE DIESEL ENGINE CO.,LTD supply CHINAMFG marine engine and other brand engine with marine gearbox. Marine gearbox brand, ADVANCE, FADA, CHONGCHI, NGC,etc. 
 

mairne gearbox ADVANCE 06 2.52 3.05 3.5 1000 to 2100rpm
mairne gearbox ADVANCE 16A 2.07 2.48 2.95 3.35 3.83 2000rpm
mairne gearbox ADVANCE 26 2.50 3.00 3.50 4.00 2500rpm
mairne gearbox ADVANCE MA100A 1.60 2.00 2.55 3.11 3.59 3.88 3000rpm
mairne gearbox ADVANCE MA125A 2.03 2.46 3.04 3.57 4.05 4.39 4.70 3000rpm
mairne gearbox ADVANCE MA142A 1.97 2.52 3.03 3.54 3.95 4.50 5.06 5.47 2500rpm
mairne gearbox ADVANCE 40A 2.07 2.96 3.44 2000rpm
mairne gearbox ADVANCE MB170 1.97 2.52 3.04 3.54 3.96 4.50 5.06 5.47 5.88 2500rpm
mairne gearbox ADVANCE 120B 2.03 2.81 3.73 1800rpm
mairne gearbox ADVANCE 120C 1.36 1.48 1.61 1.94 2.45 2.96 3.35 2500rpm
mairne gearbox ADVANCE 135A 2.03 2.59 3.04 3.62 4.11 4.65 5.06 5.47 5.81 2000rpm
mairne gearbox ADVANCE HC138 2.00 2.52 3.00 3.57 4.05 4.45 2500rpm
mairne gearbox ADVANCE HCD138 5.05 5.63 6.06 6.47 2500rpm
mairne gearbox ADVANCE MB242 200 2.54 3.04 3.52 3.95 4.53 5.12 5.56 5.88 2500rpm
mairne gearbox ADVANCE MB270A 3.00 4.05 4.53 5.12 5.50 5.95 6.39 6.82 2500rpm
mairne gearbox ADVANCE 300 1.54 1.75 1.87 2.04 2.54 3.00 3.35 3.53 4.10 4.47 4.61 4.94 5.44 2300rpm
mairne gearbox ADVANCE HC300 1.50 1.87 2.04 2.23 2.54 3.00 3.53 4.10 4.47 4.61 4.94 5.44 2500rpm
mairne gearbox ADVANCE D300A 4.00 4.48 5.05 5.52 5.90 6.56 7.06 7.63 2300rpm
mairne gearbox ADVANCE T300 4.73 4.95 5.51 6.03 6.65 7.04 7.54 8.02 8.47 2300rpm
mairne gearbox ADVANCE Z300 1.54 1.75 1.87 2.04 2.54 3.00 3.35 3.53 4.10 4.47 4.61 4.94 5.44  
mairne gearbox ADVANCE T300/1 8.94 9.45 2300rpm
mairne gearbox ADVANCE HCG403 6.21 6.40 7.01 7.45 7.92 8.43 8.97 9.32 9.94 10.43 10.87 10.61 2400rpm
mairne gearbox ADVANCE J300 2.04 2.54 3.0 3.47 3.95 2500rpm
mairne gearbox ADVANCE HC400 1.5 1.77 2.04 2.5 2.86 3 3.25 3.33 3.42 4.06 4.61 4.94 1800rpm
mairne gearbox ADVANCE HCD400A 3.96 4.33 4.43 4.7 5 5.53 5.71 5.89 1800rp,
mairne gearbox ADVANCE HCT400A 6.09 6.49 6.93 7.42 7.96 8.40 9 9.47 2100rpm
mairne gearbox ADVANCE HCT400A/1 8.15 8.69 9.27 9.94 10.6 11.37 12 12.5 13.96 2100rpm
ADVANCE marine gearbox HC600A 2 2.48 3 3.58 3.89  2100rpm
ADVANCE marine gearbox HCD600A 4.18 4.43 4.7 5 5.44 5.71 2100rpm
ADVANCE marine gearbox HCT600A 6.06 6.49 6.97 7.51 8.04 8.66 9.35 2100rpm
ADVANCE marine gearbox HCT600A/1 7.04 7.69 8.23 8.82 9.47 10.10 10.8 11.65 12.57 13.64 14.44 15.91 2100rpm

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Application: Motor, Marine
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Type: Worm Gear Box

worm gearbox

Self-Locking Properties in a Worm Gearbox

Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.

The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.

This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there’s a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.

However, it’s important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it’s actively transmitting motion.

When considering the use of a worm gearbox for a specific application, it’s crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.

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

What is a Worm Gearbox and How Does It Work?

A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.

The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.

One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.

China wholesaler Marine Gearbox Advance Hct400A  Hct400A/1  Hc600A  Hcd600A  Hct600A for Ship and Boat   supplier China wholesaler Marine Gearbox Advance Hct400A  Hct400A/1  Hc600A  Hcd600A  Hct600A for Ship and Boat   supplier
editor by CX 2024-04-09