Product Description
INTRODUCTIN FOR GEARBOX TMG5713
1.Over view
The CHINAMFG 5713 type hydraulic transmission (hereinafter referred to as the transmission) consists of a YJH315 type hydraulic torque converter and a transmission with 4 CHINAMFG gears and 3 backward gears.
YJH315 The hydraulic torque converter is a single-stage two-phase integrated torque converter, with the characteristics of high efficiency and large torque change ratio. The gearbox is downshaft type, with the front 4 and rear 3 shift function, built-in working oil pump, external force port.
2. Main technical parameters
Rated input power of the matching engine | 75kW |
Rated input speed of the matching engine | 2400r / min |
Input shaft steering (facing the transmission output) | counter clock wise |
Working fluid | No.6 or No.8 hydraulic transmission oil |
Main oil pressure and retaining oil pressure | 1.6MPa~1.9MPa |
Torque converter oil inlet pressure | 0.4MPa~0.8MPa |
Torque converter oil return pressure | 0.22MPa~0.4MPa |
Working oil temperature | 80ºC ~100ºC |
Rated voltage of the solenoid valve | DC24V |
About TMG
CHINAMFG is a professional trackless mining equipment, engineering equipment manufacturer.Our production base is located in HangZhou, ZheJiang .
Our products include: underground trackless mining equipment (underground loaders, underground mining trucks, utility vehicles, drill jumbos, drivetrain system transmission, torque converter, axle); engineering equipment ( wheel loaders, backhoe loaders, excavators, telescopic handlers,graders, articulated dump trucks); drive-train system (transmission, torque converter, axle).
Besides,as a technology oriented enterprise, we also provide customers with solutions including drive-train system customization, vehicle transformation and project contracting etc.
Improvement | |||||||
The torque converter is easy to heat up | |||||||
Inability to climb hills | |||||||
Climbing long slopes is prone to overheating | |||||||
Punch | |||||||
Easy to burn the friction plate | |||||||
Loud noise | |||||||
Cause Analysis | |||||||
Small horse-drawn cart | |||||||
The hydraulic flow of the charging oil is low and the pressure fluctuates greatly | |||||||
Comparison with Top Euro brand | |||||||
Customized design to solve customer pain points | |||||||
Short lead time, 3 months | |||||||
Electrically controlled shifting and automatic shifting mode are adopted to reduce shifting impact and protect gears from damage | |||||||
Hydraulic torque converter has large circulation, large transmitted torque, large traction and strong climbing ability. Change | |||||||
Torque is not easy to heat up. | |||||||
The clutch structure is improved to reduce the friction plate burning phenomenon caused by the inaccurate control of the engagement time of the 2 clutches during the shifting process. | |||||||
The gear is thickened to improve the reliability of the gearbox. Higher reliability and longer life. |
Payload 6~7 ton Calculation details | ||||||||
Diesel Engine Model | kW | Torque Converter |
Transmission | Traction kN | 1st km/h | 2nd km/h | 3rd km/h | 4th km/h |
Deutz BF6M 1013EC165KW |
165 | YJ330 (C273.1) |
RC33429 | 175.53 | 4.87 | 9.68 | 18.28 | 25.66 |
Deutz BF6M 1013EC165KW |
165 | YJ330 (C273.1) |
RC33428 | 178.74 | 4.79 | 9.52 | 17.97 | 24.57 |
CUMMIS B67CS4 | 162 | YJ330 (C273.1) |
RC33429 | 156.47 | 4.84 | 9.63 | 17.12 | 25.04 |
CUMMIS B67CS4 | 162 | YJ330 (C273.1) |
RC33428 | 166.15 | 4.56 | 9.08 | 17.19 | 23.59 |
Volvo TAD850VE | 162 | YJ330 (C273.1) |
RC33429 | 159.71 | 5.06 | 10.28 | 18.82 | 27.53 |
Volvo TAD850VE | 162 | YJ330 (C273.1) |
RC33428 | 169.57 | 4.76 | 9.44 | 17.72 | 24.11 |
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Application: | Machinery, Wheel Loader;Backhoe Loader |
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Function: | Change Drive Torque, Speed Changing, Speed Reduction, Speed Increase |
Layout: | Cycloidal |
Hardness: | Hardened Tooth Surface |
Installation: | Horizontal Type |
Step: | Four-Step |
Customization: |
Available
| Customized Request |
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Efficiency of Cycloidal Gearboxes in Power Transmission
Cycloidal gearboxes offer relatively high power transmission efficiency compared to other types of gearboxes. The efficiency of a cycloidal gearbox depends on various factors, including the design, quality of components, lubrication, and load conditions.
Typically, the power transmission efficiency of a cycloidal gearbox ranges from 85% to 95%. However, this can vary based on several factors:
- Number of Reduction Stages: Multi-stage cycloidal gearboxes may experience slightly lower efficiency due to multiple gear meshing interactions.
- Quality and Design: Well-designed and precision-manufactured cycloidal gearboxes tend to exhibit higher efficiency.
- Lubrication: Proper lubrication is crucial for reducing friction and enhancing efficiency. Insufficient or deteriorated lubrication can lead to efficiency losses.
- Load Conditions: Higher loads and torque levels can lead to higher friction and lower efficiency. Properly matching the gearbox to the application is essential.
Despite minor efficiency losses compared to some other gearbox types, the benefits of compactness, high torque density, and precise motion control often outweigh the efficiency considerations in many applications.
Maintenance Requirements for Cycloidal Gearboxes
Maintaining cycloidal gearboxes is essential to ensure their optimal performance and longevity. Here are some maintenance practices to consider:
- Lubrication: Regular lubrication is crucial to prevent wear and friction between moving parts. Use high-quality lubricants recommended by the gearbox manufacturer.
- Inspections: Regularly inspect the gearbox for signs of wear, damage, or oil leakage. Address any issues promptly to prevent further damage.
- Cleaning: Keep the gearbox clean and free from debris that could interfere with its operation. Cleanliness helps prevent contamination and wear.
- Torque Checks: Periodically check the tightness of fasteners and bolts to ensure they are properly secured. Loose fasteners can lead to misalignment and reduced performance.
- Seal Maintenance: Check and maintain seals to prevent oil leakage. Damaged seals should be replaced promptly to avoid lubricant loss.
- Temperature Monitoring: Monitor the operating temperature of the gearbox to ensure it remains within the recommended range. Excessive heat can lead to premature wear.
- Alignment: Ensure that the gearbox is properly aligned with other components to prevent misalignment-related issues.
- Regular Service: Follow the manufacturer’s recommended service intervals for more in-depth inspections and maintenance tasks.
Regular and proactive maintenance can extend the lifespan of cycloidal gearboxes, minimize downtime, and maintain their efficiency and performance over time.
Principle of Cycloidal Gearing
Cycloidal gearing is a mechanism that utilizes the unique shape of cycloidal discs to achieve motion transmission. The principle involves the interaction between two main components: the input disc and the output disc.
The input disc has lobes with pins, while the output disc has lobes with matching holes. The lobes on both discs are not perfectly circular but are shaped in a cycloidal profile. As the input disc rotates, the pins on its lobes engage with the holes in the output disc’s lobes.
As the input disc rotates, the pins move along the cycloidal paths, causing the output disc to rotate. The interaction between the pins and the holes results in smooth and continuous motion transfer. The unique shape of the cycloidal profile ensures that there is always at least one point of contact between the pins and the holes, allowing for efficient torque transmission and reduced wear.
Cycloidal gearing provides advantages such as high torque capacity, compact size, and precision motion. However, due to the complex shape of the components and the continuous engagement, manufacturing and assembly of cycloidal gearboxes can be intricate.
editor by CX 2024-04-22