Tag Archives: hydraulic gear box

China OEM Four CZPT Gears and Three Backward Gears Hydraulic Transmission Gear Box gearbox engine

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
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

cycloidal gearbox

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.

cycloidal gearbox

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.

cycloidal gearbox

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.

China OEM Four CZPT Gears and Three Backward Gears Hydraulic Transmission Gear Box   gearbox engineChina OEM Four CZPT Gears and Three Backward Gears Hydraulic Transmission Gear Box   gearbox engine
editor by CX 2024-04-22

China Hot selling Weiyou New Excavator Hydraulic Swing Gearbox Part Swing Reducer Rotary Gear Box For CZPT Dh500 with Best Sales

Condition: New
Applicable Industries: Building Material Shops, Machinery Repair Shops, Manufacturing Plant, Popular Cargo Motorcycles Newest High Power Electric Tricycle Three Wheel Trike made in China for Selling Retail, Construction works , Other
Showroom Location: None
Video outgoing-inspection: Not Available
Machinery Test Report: Not Available
Marketing Type: New Product 2571
Warranty: 1 Year, bldc motor factory supply field hay mower brushless motor 18v USA Australia market 1 Year
Application: Replacement
Product name: Ring Gear
Quality: High-Quality
Delivery time: 1-3 Days
Material: Steel
Apply to: Swing Gearbox
Packing: Wooden Case
After-sales service provided: Free replacement
After-sales Service Provided: Free spare parts
Packaging Details: Wooden Case
Port: HuangPu

Products Description TitleSwing Gearbox Used For CZPT DH500 Excavator Swing ReductionApplicable Industries:Manufacturing Plant, Machinery Repair Shops, OtherPlace of Origin:ZheJiang , High Torque Km Series Helical-Hypoid Gearbox From CZPT ChinaGearing Arrangement:Ring GearApplication:ReplacementWarranty:1 yearPacking:Wooden CaseMOQ:1 PieceQuality:High-QualityCustomized support:OEMBrand Name:WeiyouProduct name:Final Drive Motor HousingMaterial:Cast IronPayment:T/T,Master card,Alipay…etc.Delivery time:1 days since getting the payment, Powerful Reducer Gearmotor Motor High Torque Low Speed Worm Gear Self-lock Motor Long Life Metal DC 6-24V 30W 12V 24V IE 2 Brush not the customized itemCompatible Brand:For DOOSAN,other ProcessingCasting Company Profile Certificate Packing&Logistics

Types of Gearboxes

There are several types of gearboxes. Some are known as helical gear reducers, while others are called planetary gearboxes. The article also discusses Continuously Variable Transmission (CVT) and helical gear reducer. If you are interested in purchasing a new gearbox, make sure to read our articles on these different types. If you are confused, consider reading our articles on planetary gearboxes and helical gear reducers.
gearbox

planetary gearbox

The planetary gearbox has several advantages. Its compact design and light weight allows it to transmit high torques while remaining quiet. The gears are connected to one another through a carrier, which is typically fixed and helps transmit torques to the output shaft. Its planetary structure arrangement also reduces backlash and provides high rigidity, which is important for quick start and stop cycles and rotational direction change. Depending on the design and performance desired, planetary gearboxes are categorized into three main types:
The type of planetary gears used in a given application determines the overall cost of the unit. Manufacturers offer a range of prices, and they can help you determine which gearbox is right for your needs. You should also ask a manufacturer for the cost of a planetary gearbox. By asking about price and specs, you can avoid wasting money and time on a planetary gearbox that does not perform up to its potential.
A planetary gearbox is probably installed in your new car’s automatic transmission. For more information, consult your owner’s manual or call the dealer’s service department. This type of gearbox is more complex than other types of gearboxes, so if you don’t know much about them, do an internet search for “planetary gearbox.”
The teeth of a planetary gearbox are formed by the stepping motion of two gears: the sun gear and the inner ring. The sun gear is the input, while the planetary gears rotate around the sun gear. Their ratio depends on the number of teeth and the space between the planets. If you have a 24 tooth sun gear, the planetary gears’ ratio will be -3/2. The sun gear is also attached to the axle.
Another advantage of a planetary gear system is that it can generate high torques. The load is shared among multiple planet gears. This makes the gears more resilient to damage. A planetary gearbox can be as high as 332,000 Nm, and can be used in vehicles and industrial applications requiring medium to high torque. A planetary gear system is a great alternative to a traditional transmission. So, how does it work?

helical gearbox

The main difference between the helical gearbox and the spur gear is the center distance between the teeth. The helical gearbox has a larger pitch circle than the spur gear and thus requires a radial module. In addition, the two types of gears can only be made with the same tooth-cutting tool as the spur gear. However, the helical gearbox is more efficient in terms of production costs.
The helical gearbox is a low-power consumption, compact type of gearbox that is used for a wide range of industrial applications. They are highly durable and withstand high loads with utmost efficiency. The helical gearbox can be manufactured in cast steel and iron for small and medium units. This type of gearbox is also commonly used for crushers, conveyors, coolers, and other applications that need low power.
The helical gear has many advantages over the spur gear. It produces less noise. It has less friction and is less likely to wear out. It is also quieter than spur gears. This is because multiple teeth are in mesh. Because the teeth are in mesh, the load is distributed over a larger area, resulting in a smoother transition between gears. The reduction in noise and vibration reduces the risk of damaging the gear.
The helical gear’s axial excitation force is obtained using a linearized equation of motion in the rotational direction. The damping coefficient of the equation is 0.07. The helical gear is made up of a steel shaft with a diameter of 20 mm and a 5 mm thick aluminum plate. The stiffness of the bearing is 6.84 x 107 N/m. The damping force of the plate is 2,040 kg/m2/s.
The worm gearbox has a better efficiency ratio than the helical one, but it is less efficient in low-ratio applications. In general, worm gearboxes are more efficient than helical gearboxes, although there are some exceptions to this rule. A helical gearbox is better for applications that require high torque. It may also be more economical in the long run. If you are considering a helical gearbox, consider the advantages it has over worm gearboxes.
gearbox

helical gear reducer

A helical gear reducer for a machine’s gearbox is an integral component of the drive system. This unit amplifies torque and controls speed and, therefore, compliments the engine by rotating slower than the engine’s input shaft. A helical gear reducer is a compact gearbox component that is used in industrial applications. A variety of sizes is available to suit various machine configurations. The following sections will discuss some of the different types available.
Designed by experts and engineers, a helical gear reducer is a surprisingly small and light gear that satisfies the needs of many machine applications. It features a large transmission torque, a low starting and running speed, and a fine classification of transmission ratios. A helical gear reducer is lightweight and easily connected to other gears, and it features a high technical content.
In order to avoid errors and poor performance, regular maintenance is a must. The proper lubrication of the gear reducer can minimize failures, errors, and poor performance. Every gear reducer manufacturer sells a suitable lubricant, which must match the properties of the machine’s drive mechanism. It is also advisable to check the lubrication regularly to avoid any deterioration of the unit’s performance.
While the worm gearbox may be better for applications where torque is high, the helical gear reducer offers greater efficiency at lower cost. Although worm gearboxes may be cheaper initially, they are less effective at higher ratios. Even if the worm gear is more expensive to buy, it still offers 94% efficiency, which makes it more cost-effective. There are some significant advantages to both types of gearboxes.
The main advantage of a helical gear reducer over a spur gear is its smoother operation. Unlike spur gears, which have teeth that are straight, helical gears have angled teeth that gradually engage with each other. This helps ensure that the gear does not grind or make excessive noise when it turns. Additionally, they are less commonly used in automation and precision machinery. They are often used in industrial applications.
gearbox

Continuously variable transmission

A Continuously Variable Transmission (CVT) is an automatic transmission that can run through a vast number of gears. Unlike a standard automatic transmission, it can run at any speed, even at a low rev. The CVT is also capable of running at infinitely low gears. Its basic function is to provide different torque ratios to the engine. In addition to delivering power, CVTs have other benefits.
One of the major advantages of a CVT is its simplicity. Its simplicity translates into fewer moving parts, which means less maintenance. The CVT’s simplicity also means that it can handle a wide variety of different types of road conditions and driving styles. In addition to being a great alternative to a traditional automatic transmission, CVTs can be used on many other types of vehicles, including tractors, snowmobiles, motor scooters, and power tools.
A CVT is much smoother than a conventional automatic transmission. It never has to hunt for a gear. It also responds well to throttle inputs and speed changes. Both of these technologies are available on many modern vehicles, including the Nissan Rogue and Mazda CX-5. It’s important to note that each of these transmissions has its pros and cons. So, if you’re looking for a car with a CVT, make sure to read the reviews. They’ll help you decide which transmission is right for you.
Another advantage of a CVT is its fuel efficiency. Many cars now feature CVTs, and they’re becoming increasingly popular with automakers. In addition to fuel efficiency, most cars with CVTs also have a smoother ride. There’s no more sudden downshifts or gear hunting. This makes driving a lot easier. And, the added benefits of smoother driving make CVTs the ideal choice for many drivers.
Although a CVT is more common among Japanese car manufacturers, you’ll find CVTs on European car models as well. The Mercedes-Benz A-Class, B-Class, and Megane are some examples of vehicles that use this technology. Before making a decision, consider the reliability of the model in question. Consumer Reports is a good resource for this. It also offers a history of use and reliability for every type of car, including the Honda Accord.

China Hot selling Weiyou New Excavator Hydraulic Swing Gearbox Part Swing Reducer Rotary Gear Box For CZPT Dh500  with Best SalesChina Hot selling Weiyou New Excavator Hydraulic Swing Gearbox Part Swing Reducer Rotary Gear Box For CZPT Dh500  with Best Sales