Product Description
HangZhou CHINAMFG POWER TECHNOLOGYCO.,LTD. is located in HangZhou, China and started the business of CHINAMFG spare parts since 2006, as the dealer of CHINAMFG spare parts we offer the full range of spare parts for CHINAMFG vehicles like CHINAMFG series, A7 series, CHINAMFG prince series,Sitrak series. At the same time, we also deal heavy machinery spare parts for HITACHI,SHXIHU (WEST LAKE) DIS.l .
Our strength is that we got professional study of CHINAMFG vehicle and specialize in the spare parts support service for the Engine,
Gearbox, Axle, Chassis and Cabin and all of the rest, there are more than 200 OEM suppliers of CHINAMFG are in the partnership with us which help us to offer the accurate high-quality original spare parts to our client and end-users at competitive price in short delivery period.
The principle we always hold since the founding of our business is that to promote the success of client to help the team members grow up and achieve the development of our cause.The benefit of client is the basis of our company running policy which is also the foundation for mutual benefit success with our client.
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FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral carton, wooden case and tray. We also can pack the goods according to your instruction including out package and kinds of labels.
Q2. How about your delivery time?
A: Generally, it will take 1 to 7 working days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q3.What is your terms of payment?
A: Usually do T/T, L/C or Western Union,
T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q4. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings.
Q5. Do you test all your goods before delivery?
A: Yes, but you will be always welcome to our company to inspect the goods before delivery
Q6. What is your sample policy?
We can supply the samples if the samples are in stock,but the customers will pay the sample cost and the delivery cost(or freight collect)
Q7. What the quality of your goods ?
A: We have different qualities, including Original, OEM, High copy, Copy. We can quote according to your real requirements and according to our experiences about your market requirements.
Q8, How do you make a price offer and how long is the validity period??
A: Generally we quote prices according to goods’ part number , if you don’t have , please provide us name plate , we can confirm the exactly goods according to your name plate. About the inquiry list, we usually finish the quotation within 24 hours . If you are very urgent ,please inform us earlier. The prices are valid within 30 days.
Q9: Do you have warranty ?
Yes, of course . We will replace the damaged and wrong parts directly .Parts with quality problems will be directly replaced after customers’ verification.
Q10: whats your advantages ?
1.We have morethan15 years truck parts experiences. We can provide professional suggestions to customers.
2.Perfect After-sales service.
3.Honest and responsible.
| After-sales Service: | Professional |
|---|---|
| Warranty: | One Year |
| Type: | Engine |
| Certification: | ISO9001 |
| Color: | Grey |
| Main Market: | Africa, South America, Southeast Asia, MID East |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
Can you provide examples of machinery that use helical gears?
Helical gears are widely used in various types of machinery and mechanical systems. Their unique tooth geometry and smooth operation make them suitable for applications that require high torque transmission, precision, and low noise levels. Here are some examples of machinery and equipment that commonly utilize helical gears:
- Industrial Gearboxes: Helical gears are extensively employed in industrial gearboxes used in various industries such as manufacturing, mining, oil and gas, and power generation. These gearboxes are responsible for transmitting power and adjusting rotational speed in large machinery and equipment, including conveyors, mixers, crushers, extruders, and heavy-duty pumps.
- Automotive Transmissions: Helical gears play a crucial role in automotive transmissions, both manual and automatic. They facilitate the smooth shifting of gears and the transfer of power from the engine to the wheels. Helical gears are commonly found in the main transmission system, differential gears, and gear sets used in the gearbox.
- Machine Tools: Many types of machine tools, such as milling machines, lathes, and grinding machines, rely on helical gears for precise motion control and power transmission. Helical gears are used in the spindle drives, feed mechanisms, and gearboxes of these machines, enabling accurate and efficient metal shaping, cutting, and finishing operations.
- Rotary Compressors: Helical gears are employed in rotary compressors, which are widely used in industries such as refrigeration, HVAC, and pneumatic systems. The helical gears in these compressors help to compress and transfer gases or fluids, generating the desired pressure and flow rates.
- Printing Presses: High-speed printing presses utilize helical gears in their drive systems. The gears enable the precise synchronization of various components, such as rollers, cylinders, and plate cylinders, ensuring accurate paper feeding, ink distribution, and image transfer during the printing process.
- Paper and Pulp Industry: Helical gears are utilized in machinery used in the paper and pulp industry, including paper mills and paperboard manufacturing plants. They are employed in equipment such as pulpers, refiners, stock pumps, and paper machine drives, facilitating the processing, refining, and transportation of pulp and paper materials.
- Construction Equipment: Helical gears are found in various construction machinery, such as cranes, excavators, loaders, and bulldozers. They are used in the drivetrains, swing mechanisms, and hydraulic systems of these machines, providing the necessary torque, speed control, and power transmission capabilities.
- Marine Propulsion Systems: Helical gears are utilized in marine propulsion systems, including marine engines, outboard motors, and ship propulsion systems. They enable efficient power transmission from the engine to the propeller, ensuring smooth and reliable operation of watercraft.
- Wind Turbines: In wind energy applications, helical gears are commonly used in wind turbine gearboxes. They help convert the low-speed rotation of the turbine blades into higher rotational speeds required by the electrical generators, enabling efficient energy generation from wind power.
- Food Processing Machinery: Helical gears find applications in the food processing industry, where they are used in equipment such as mixers, conveyors, extruders, and packaging machines. They facilitate the movement of ingredients, blending, and precise control of processing parameters.
These examples demonstrate the versatility and widespread use of helical gears across various industries and applications. The unique characteristics of helical gears make them suitable for a wide range of machinery that requires smooth, efficient, and reliable power transmission.
How do you calculate the efficiency of a helical gear?
The efficiency of a helical gear can be calculated by comparing the power input to the gear with the power output. The efficiency represents the ratio of the output power to the input power, expressed as a percentage. Here’s a detailed explanation of how to calculate the efficiency of a helical gear:
The formula for calculating gear efficiency is:
Efficiency = (Power Output / Power Input) * 100%
To calculate the efficiency, you need to determine the power input and power output values. Here are the steps involved:
- Power Input: The power input to the gear is the amount of power supplied to the gear system. It can be determined by multiplying the input torque (Tin) by the input rotational speed (Nin) in radians per second. The formula for power input is:
Power Input = Tin * Nin
- Power Output: The power output from the gear is the amount of power delivered by the gear system. It can be calculated by multiplying the output torque (Tout) by the output rotational speed (Nout) in radians per second. The formula for power output is:
Power Output = Tout * Nout
- Calculate Efficiency: Once you have determined the power input and power output values, you can calculate the gear efficiency using the formula mentioned earlier:
Efficiency = (Power Output / Power Input) * 100%
The resulting efficiency value will be a percentage, representing the proportion of input power that is effectively transmitted as output power by the helical gear system. A higher efficiency value indicates a more efficient gear system, with less power loss during the gear transmission.
It’s important to note that gear efficiency can be influenced by various factors, including gear design, tooth profile, operating conditions, lubrication, and manufacturing quality. Therefore, the calculated efficiency represents an estimate based on the given input and output power values, and it may vary in real-world applications.
What are the applications of helical gears?
Helical gears find wide-ranging applications in various mechanical systems due to their advantageous characteristics and capabilities. Here’s a detailed explanation of the applications of helical gears:
1. Power Transmission: Helical gears are commonly used for power transmission in a wide range of industries. They are employed in machinery and equipment where rotational motion needs to be transmitted between parallel shafts. Examples include gearboxes, industrial machinery, conveyors, and automotive transmissions.
2. Rotary Motion Control: Helical gears are used in applications where precise rotary motion control is required. They provide smooth and accurate motion transfer, making them suitable for applications such as robotics, precision equipment, machine tools, and positioning systems.
3. High Torque Applications: Due to their design and tooth engagement characteristics, helical gears are well-suited for high torque applications. They can efficiently transmit substantial power and handle heavy loads. This makes them suitable for heavy machinery, construction equipment, mining machinery, and marine propulsion systems.
4. Automotive Industry: Helical gears are extensively used in automotive applications. They are found in transmissions, differentials, and powertrain systems, where they facilitate smooth and efficient power transmission while reducing noise and vibration. Helical gears help achieve the desired gear ratios and torque multiplication in vehicles.
5. Machine Tools: Machine tools, such as milling machines, lathes, and gear hobbing machines, utilize helical gears for precise motion control and power transmission. Helical gears enable accurate and smooth rotation of cutting tools and workpieces, contributing to the high precision and quality of machined components.
6. Printing Industry: Helical gears are used in printing presses and other printing equipment. They facilitate the precise movement of paper and printing plates, ensuring accurate registration and high-quality printing results.
7. Textile Industry: In the textile industry, helical gears are employed in various machinery and equipment. They are used in spinning machines, weaving machines, and other textile processing equipment that require precise motion control and power transmission for efficient textile production.
8. Oil and Gas Industry: Helical gears are utilized in oil and gas equipment and machinery. They are found in pumps, compressors, drilling rigs, and other critical components where high torque transmission and reliable motion control are essential for efficient operations.
9. Power Generation: Helical gears play a crucial role in power generation systems. They are employed in wind turbines, hydroelectric generators, and other power generation equipment to transmit rotational motion from the turbine or generator shaft to the electrical generator, ensuring efficient electricity production.
10. General Machinery: Helical gears have diverse applications in general machinery across various industries. They are used in packaging equipment, food processing machinery, material handling systems, and numerous other mechanical systems that require reliable power transmission and precise motion control.
The versatility, load-carrying capacity, and smooth operation of helical gears make them suitable for numerous applications in different industries. The specific design, tooth profile, helix angle, and material selection can be tailored to meet the requirements of each application, ensuring optimal performance and longevity of the gear system.
editor by CX 2023-10-12