Marine Electric Tunnel Thruster - Electric Tunnel Thruster - Hi-sea

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Marine Electric Tunnel Thruster

Marine Electric Tunnel Thruster

Marine Electric Tunnel Thruster



Application

A marine electric tunnel thruster is a type of propulsion system used in ships and boats to provide additional maneuverability and control. It is an electric motor-driven propeller that is mounted in a tunnel on the bow or stern of the vessel. The electric motor provides power to the propeller, which generates a sideways force that can be used to turn the ship. Electric tunnel thrusters are becoming increasingly popular in modern vessels due to their efficiency, reliability, and ease of maintenance. They are also more environmentally friendly than traditional diesel-powered thrusters, as they produce fewer emissions and have lower fuel consumption.

Features
1. Drive force: electric motor.

2. Installation type: installed vertically or horizontally.

3. Provide thrust to the vessel to move sideways.

4. Propeller dia: 250 mm to 3300 mm.

5. Input power:  20 KW to 3500 KW.

6. We can design and manufacture the product according to client's drawing or sample.


Marine Electric Tunnel Thruster Structure


We not only provide customers with high-quality products, but also provide complete system solutions and added services for specific customers. Therefore, There are  high competitiveness.

Configuration options

Part Name

Type/Material

Advantages/Disadvantages

Electric Motor Type

HENGLI and LANHAI brand

Good quality, cost-effective, long service life. Self-contained brake, high safety.

Other brands

High power consumption, relatively poor quality.

ABB/WEG/Siemens

Good quality, high cost, long delivery time.

Propeller

Ni-Al-Bronze (Cu3)

Excellent comprehensive mechanical properties and corrosion resistance.

Ni-Mn Bronze (Cu2)

High strength, good hardness, good wear resistance, good elasticity, no spark, corrosion resistance, non-magnetic, excellent cold working performance, excellent electroplating and welding performance.

Manganese Bronze (Cu1)

It has high strength, hardness and good plasticity, can well withstand pressure processing in hot and cold states, has good corrosion resistance, and has high thermal strength.

Stainless Steel

Good corrosion resistance, high hardness.

Tunnel

WANXIANG / HONGBO

Corrosion resistance, good quality, cost-effective

Due to the fierce market competition, the phenomenon of low quality of other winch suppliers is frequent. What is the difference between us and other low-quality suppliers?

The specific differences are as follows:

Part name

Other low quality suppliers

Result

Our factory

Consequence

Electric Motor Type

Other brands

High power consumption, relatively poor quality.

HENGLI or LANHAI brand

Cost-effective, good quality. Self-contained brake, high safety.

Propeller

Cast iron

Easy to corrode, easy to rust

Stainless steel

Good corrosion resistance, high hardness

Manganese Bronze (Cu1)

It has high strength, hardness and good plasticity, can well withstand pressure processing in hot and cold states, has good corrosion resistance, and has high thermal strength.

Brass

Dezincification is easy to occur in seawater, resulting in cavitation corrosion and affecting navigation safety.

Ni-Mn Bronze (Cu2)

High strength, good hardness, good wear resistance, good elasticity, no spark, corrosion resistance, non-magnetic, excellent cold working performance, excellent electroplating and welding performance.

Ni-Al-Bronze (Cu3)

Excellent comprehensive mechanical properties, resistance to stress corrosion cracking, corrosion fatigue resistance, cavitation corrosion resistance, erosion resistance, marine biofouling resistance. After heat treatment, it can reach the level of duplex stainless steel. Compared with brass, the corrosion resistance is three times that of brass, and the wear resistance is twice that of brass.

Tunnel

Other brands

Easy to corrode, relatively poor quality

WANXIANG / HONGBO

Corrosion resistance, good quality, cost-effective

Drawing of Marine Electric Tunnel Thruster



Technique Data

type Propeller Dia. Input power max.. Input rpm Max. thrust
Φ.mm Kw Hp rpm KN
SCT25-FP 250 20 50 1470 3.5
25 60 1750 4
SCT35-FP 350 36 50 1470 6
39 60 1750 6.5
SCT80-FP 800 185 50 1450 29.6
200 60 1750 32
SCT90-FP/ CP 900 235 50 1470 37.6
250 60 1750 40
SCT110-FP/ CP 1100 350 50 1450 56
380 60 1750 60.8
SCT165-FP/ CP 1650 680 50 1450 108.8
820 60 1750 131
SCT200-FP/ CP 2000 1250 50 1450 200
1150 60 1160 184
960 50 980 153.6
SCT300-FP/ CP 3000 2600 50 730 416
2800 60 880 448
SCT330-FP/ CP 3300 2900 50 730 464
3150 60 880 504

Tunnel Thruster of Precautions for Installation on Board (for reference only)

/uploads/soft/20220808/Tunnel Thruster of Precautions for Installation on Board (for reference only).pdf
Maintenance advice

1. Regularly check whether there is leakage of hydraulic oil in the side thruster of the ship, regularly add tallow to the moving bearings and couplings, and replenish the hydraulic oil of the system in time.

2. Clean the dust in the ship's thruster control panel in time and check the working condition of the ACB.

If the ACB fails to close there are several reasons:

2.1. The control circuit has no electricity;

2.2. The main switch energy storage motor does not store energy normally;

2.3. There is no closing signal to the main switch closing coil;

2.4. The main switch Undervoltage coil has no electricity.




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