Product Description
ADVANCE marine gearbox 2F700 2LZF650 LJF720 LJS650 LZ880 LZ1000 LZ3000 2LZF1100 Marine Gearbox
LZF series marine gearbox possesses functions of single input and double output, and clutching and de-clutching. It is designed as external cylindrical helical gear transmission, manual or hydroelectric or pneumatic control. It is used to drive hydraulic pump.
2F700 Marine Gearbox
Input speed | 900r/min | ||
Reduction ratio | 1 | Trans. capacity | 0.25kw/r/min |
Control way | Push-and-pull flexible shaft, electrically | ||
Center distance | 2×500mm | ||
L×W×H | 1540×1571×1550mm | ||
Net weight | 1190kg | ||
Bell housing | NO |
2LZF650 marine gearbox possesses functions of single input and double output, and clutching and de-clutching. The output drives driving motor and hydraulic pump, with the former output having fast and slow speed. Control ways: manually, hydroelectrically and pneumatically.
Input speed | 900r/min | ||
Reduction ratio | 2.005(Fast-speed motor) | Trans. capacity | 0.138kw/r/min |
1.71(Slow-speed motor) | 0.131 kw/r/min | ||
2.01(Driving oil pump) | 0.122 kw/r/min | ||
Control way | Push-and-pull flexible shaft, electrically | ||
Center distance | 403mm(Pump output)310mm(motor output) | ||
L×W×H | 834×999×935mm | ||
Net weight | 650kg | ||
Bell housing | NO |
LJF720 marine gearbox possesses functions of speed reduction (for main transmission), clutching and de-clutching and speed increasing (for PTO), respectively driving propeller and hydraulic pump. Control ways: hydroelectrically for main transmission and mechanically for PTO.
Input speed | 1950r/min | ||
Reduction ratio | 1.63 | Trans. capacity | 0.735kw/r/min(main transmission) |
1.4 | 0.012kw/r/min | ||
Control way | Manually, electrically | ||
Center distance | 300mm(main transmission),260mm(PTO) | ||
L×W×H | 935×795×870mm | ||
Net weight | 1000kg | ||
Bell housing | NO |
LJS650 marine gearbox possesses functions of clutching and de-clutching and dual-ratio speed reduction. Control ways: manually, hydroelectrically or pneumatically.
Input speed |
1800r/min |
||
Reduction ratio |
i=1.2 or 1.38:1 |
Trans. capacity |
0.65 kw/ r/min |
Control way |
Push-and-pull flexible shaft, electrically |
||
Center distance |
275mm |
||
L×W×H |
1095×1195×1000mm |
||
Bell housing |
NO |
LZ880 marine gearbox possesses functions of clutching and de-clutching and speed increasing. Control ways: manually, hydroelectrically or pneumatically.
Input speed | 170r/min | ||
Reduction ratio | i=8.8 | Trans. capacity | 0.88 kw/r.min-1 |
Control way | Push-and-pull flexible shaft, electrically | ||
Center distance | 840mm | ||
L×W×H | 907×1344×1702mm | ||
Net weight | 2000kg | ||
Bell housing | NO |
LZ1000 marine gearbox possesses functions of clutching and de-clutching and speed increasing. Control ways: manually, hydroelectrically or pneumatically.
Input speed | 445r/min | ||
Reduction ratio | i=3.708 | Trans. capacity | 0.743 kw/ r/min |
Control way | Push-and-pull flexible shaft, electrically | ||
Center distance | 294mm | ||
L×W×H | 1150×1571×720mm | ||
Net weight | 700kg | ||
Bell housing | NO |
LZ3000 marine gearbox possesses functions of clutching and de-clutching and speed increasing. Control ways: manually, hydroelectrically or pneumatically. It is used to drive large-power oil pump.
Input speed | 370-600r/min | ||
Reduction ratio | 2.97 | Trans. capacity | 2.9kw/r/min |
Control way | Push-and-pull flexible shaft, electrically | ||
Center distance | 490mm | ||
L×W×H | 1395×1230×1550mm | ||
Net weight | 1550kg | ||
Bell housing | NO |
2LZF1100 marine gearbox possesses functions of speed increasing and clutching and de-clutching. The gearbox has 1 input and 2 outputs to drive 2 vane pumps. It applies electrically controlled shifting clutch structure, featuring in quick in gear shifting, soft and smooth in engagement.
Input speed | 1000r/min | ||
Reduction ratio | 2.98 | Trans. capacity | 0.257kw/r/min |
Control way | Push-and-pull flexible shaft, electrically | ||
Center distance | 406mm | ||
L×W×H | 922×1018×946mm | ||
Net weight | 650kg | ||
Bell housing | NO |
ADVANCE marine gearbox HCT1400 HCT1600 HCD2000 HCT200 HCD2700 for ship and boat
ADVANCE marine gearbox HC1200/1 HCT1200 HCT1200/1 HC1250 HCD1400 for ship and boat
ADVANCE marine gearbox HCT800/3 HC1000 HCD1000 HCT1100 HC1200 for ship and boat
ADVANCE marine gearbox HCT600A/1 HCD800 HCT800 HCT800/1 HCT800/2 for ship and boat
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 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 |
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.
Energy Efficiency of a Worm Gearbox: What to Expect
The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:
- Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
- Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
- Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
- Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
- Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.
When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.
Preventing Backlash in a Worm Gearbox
Backlash in a worm gearbox can lead to reduced accuracy, positioning errors, and decreased overall efficiency. Here are steps to prevent or minimize backlash:
- High-Quality Components: Use high-quality worm gears and worm wheels with tight manufacturing tolerances. Precision components will help reduce backlash.
- Proper Meshing: Ensure the worm gear and worm wheel are properly aligned and meshed. Improper meshing can lead to increased backlash.
- Preload: Applying a small amount of preload to the worm gear can help reduce backlash. However, excessive preload can increase friction and wear.
- Anti-Backlash Mechanisms: Consider using anti-backlash mechanisms, such as spring-loaded systems or adjustable shims, to compensate for any inherent backlash.
- Lubrication: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
- Maintenance: Regularly inspect and maintain the gearbox to identify and address any changes in backlash over time.
It’s important to strike a balance between reducing backlash and maintaining smooth operation. Consulting with gearbox experts and following manufacturer guidelines will help you optimize your worm gearbox’s performance while minimizing backlash.
editor by CX 2024-04-11
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