China wholesaler Customized Forging Various Gear Used Automobile, Construction Machinery, Agricultural Machinery spurs gear

Product Description

HangZhou lianggong forging co.,ltd. located in HangZhou economy and technology development zone, just 10 km away from HangZhou longwan international airport. The factory was founded in 1985,is a private factory with more than 200 people, of which,2 are senior engineer, 30 are technician, it takes 30000 square meters of floor space, the annual production of the factory reach 9000 tons, annual sales volume amout to USD16 million in 2015.

After more than 30 years of development, the factory has grown into one of the largest china forging factory which is integrated with forging,machining,heat treatment and surface treatment, it has passed ISO9001:2008 and ISO/TS16949 certification of quality management system, the products are exported to USA,Japan,Spain,Germany,Russia,Thailand and so on, these products can be applied in the field of construction machinery,agriculture machinery,mining equipment,railway,automobile,Petrochemical  etc, receiving highlevel recognition from the endusers, regarding the detailed information of our factory, welcome you to contact with us, thank you!

1.   Product Application Fields          
Construction Machinery                  
Agriculture Machinery                 
Mining Equipment                    
High-Speed Rail                       
Automobile Industry                   
Petrochemical                         
Energy                                  
Shipbuilding                          
General Machinery                    
2.  Research and Development                                             
   CAD Software                                                 
   3D CHINAMFG Modeling                              
DEFORM Simulation Software                        
3.  Material                               
Carbon Steel                           
Alloy Steel                             
Stainless Steel                          
Aluminum                             
4.  Heating Equipment                       
Electric Intermediate Frequency Furnace    
5.   Forging Equipment                     
2500Ton Double Disc Friction Press        
1600Ton Double Disc Friction Press        
1000Ton Double Disc Friction Press        
630Ton Double Disc Friction Press          
400Ton Double Disc Friction Press          
Sawing Machine                           
Shot Blasting Machine                      
Air Hammer                            
Punch                                   
6.  Forging Weight Range:0.05kg-100kg          
7.  Heat Treatment Equipment                                
Electric heating furnaces with precise computerized        
temperature control to achieve desired hardness and     
mechanical properties.                           
 
Water/Oil/Polymer quenching pool with mechanical  
Propeller agitation.
Induction/Flame hardening equipment.               
8.  Machining Equipment                              
CNC Center                                      
CNC Milling Machine                              
CNC Drilling Machine                              
CNC Lathe                                        
Grinding Machine                                   
Wire Cutting Machine                              
Electric Pulse Machine                             
EDM                                             

9.Inspection Equipment
Direct-Reading Spectrometer                              
Hydraulic Universal Testing Machine                                                 
Rockwell Hardness Tester                                
Brinell Hardness Tester                                 
CHINAMFG Hardness Tester                                
Metallographic Analyzer                                   
   Magnetic Particle Tester                                    
Ultrasonic Tester                                       
CMM                                                 
Infrared Thermometer                                   
10.Certification of Quality Management System   
ISO9001:2008                                        
ISO/TS16949                                          

FAQ:  

1. Are you a genuine manufacturer?Yes, all products showed in our website are produced in our ISO9001:2015 certified factory; We are also a company registered by China Customs with the right to export and import.  

2. I want to keep our design in confidence; can we CHINAMFG NDA?Sure, to protect customers’ profit is our obligatory responsibility, signed NDA would be valid to both of us.. 

3. What should I offer to get your quotation?Please offer us your detailed information for the product, such as drawings with 2D/3D by software Pro/E, Auto CAD, SolidWorks, UG etc; as well as materials, surface treatment, quantity, package. Any special requirements should be highlighted especially for tolerance.  

4.How long does it take to receive samples?
20 working days,the lead time is the general production period and does not include the transportation time.
we can supply free samples with less quantity,but customers need to pay shipping cost.

5.How long is the manufacturing lead time?
Mass Production:30-45 working days after sample approval by yours.The lead time is the general production period without the transportation time.
We could make some special production arrangement effectively if customer has urgent need.

6.How long does it take to ship goods from China by sea?
It takes about 5 weeks to European ports plus 1 week customs clearance, so you can get the container within 6 to 7 weeks.It takes about 2 weeks to east coast and 3 weeks to west coast US ports.All sea goods are shipped from HangZhou Port.

7.How long does it take to ship goods from China by air?
It takes about 7 days to all major destinations.

8.What are the payment terms?
Payment terms are negotiable and will improve for long term customers.During the initial stages, we request 50% of tooling fee in advance with the balance payable on acceptance of samples.Production orders can be negotiable.We prefer 30% deposit and the balance by T/T before sails.But sometimes T/T15 days after sails would also acceptable.

9.New product development process
Got tooling order and sample order with 50% deposit—Hold a meeting with the relation dept.To ensure the developing schedule—Design mould, fixture and gauge and making them in our factory—mould.fixture and gauge making—producing samples—approved from customer-purchasing material-forging-heat treatment-shot blasting-machining-Inspection-package—delievry

10.Which countries do you export to?
Now mainly export to U.S.A, Germany, France, Italy, UK, Brazil, Swedish, Japan, Korea, Middle east of Asia, Thailand and so on.

11.Can we visit the factory to conduct an audit?
Yes, you are welcome to visit our factory.

12.How to handle the complains?
–If happen any complaints after delivery,please just show us photos and detail compliants points, we will check with the production department and QC department Immediately and give you best solving solution which agreed by both of us,moreover we will bear all the cost (including shipping cost).

All parts are made according to customer’s drawings or samples.If you have any parts to be made, please feel free to send your kind drawings/samples to us.Technical drawings including material mark, Product weight, Purchase quantity.The comprehensive information will help us quickly calculate the accurate and reasonable price for you.

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Application: Industry
Hardness: Hardened
Manufacturing Method: Sintered Gear
Toothed Portion Shape: Double Helical Gear
Material: Steel
Type: Worm And Wormwheel
Samples:
US$ 2/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

helical gear

How does a helical gear impact the overall efficiency of a system?

A helical gear has a significant impact on the overall efficiency of a system. Due to their unique design and characteristics, helical gears offer several advantages that contribute to improved efficiency. Here’s a detailed explanation of how a helical gear impacts the overall efficiency of a system:

  1. Power Transmission: Helical gears provide efficient power transmission due to their inclined tooth design. The helical teeth engage gradually, resulting in a smooth transfer of torque between the gears. This gradual engagement reduces impact and shock loads, minimizing energy losses and improving overall efficiency.
  2. Load Distribution: The helical tooth profile allows for increased contact area between the gear teeth compared to other gear types. This larger contact area results in improved load distribution across the gear teeth. By distributing the load more evenly, helical gears can handle higher loads without excessive wear and reduce the risk of tooth failure, leading to increased efficiency and reliability.
  3. Noise and Vibration Reduction: Helical gears operate with less noise and vibration compared to other gear types, such as spur gears. The inclined tooth profile of helical gears helps to minimize gear meshing noise and vibration by distributing the forces along the gear teeth over a larger contact area. Reduced noise and vibration levels contribute to a quieter and smoother operation, indicating lower energy losses and improved overall efficiency.
  4. Higher Gear Ratios: Helical gears can achieve higher gear ratios compared to other gear types. This capability allows for more precise speed control and torque conversion in various applications. By providing the desired gear ratios, helical gears enable the system to operate at optimal speeds and torque levels, maximizing efficiency and performance.
  5. Efficient Lubrication: The helical gear design allows for effective lubrication of the gear teeth. The continuous sliding action between the helical teeth assists in distributing the lubricant evenly along the gear contact surfaces. Proper lubrication reduces friction and wear, minimizing energy losses and enhancing the overall efficiency of the gear system.
  6. Compact Design: Helical gears have a compact design that allows for efficient use of space within a system. The inclined tooth profile enables multiple gear sets to be positioned on parallel or intersecting shafts, facilitating compact gear arrangements. This compactness reduces the overall size and weight of the system while maintaining high efficiency.
  7. High Precision: Helical gears offer excellent positional accuracy and repeatability. The helical tooth profile ensures precise and consistent gear meshing, resulting in accurate motion control and minimal backlash. This precision contributes to efficient operation, especially in applications requiring precise positioning and synchronization of components.
  8. Wear Resistance: Helical gears exhibit good wear resistance due to the larger contact area and gradual tooth engagement. The inclined tooth profile helps distribute the load, reducing localized wear and extending the gear’s service life. Reduced wear translates to sustained gear efficiency over time, minimizing the need for frequent replacements and maintenance.

Overall, the design characteristics of helical gears, including smooth power transmission, load distribution, noise reduction, higher gear ratios, efficient lubrication, compactness, precision, and wear resistance, collectively contribute to improved system efficiency. By choosing helical gears appropriately for a given application, engineers can enhance the overall performance, reliability, and energy efficiency of the system.

helical gear

What are the environmental considerations when using helical gears?

When using helical gears, several environmental considerations should be taken into account. These considerations primarily focus on reducing the environmental impact associated with gear manufacturing, operation, and maintenance. Here is a detailed explanation of the environmental considerations when using helical gears:

  • Material Selection: The choice of materials for helical gears can have an environmental impact. Opting for materials that are recyclable, have a low carbon footprint, or are sourced from sustainable and responsible suppliers can help minimize the environmental footprint of gear production.
  • Energy Efficiency: Helical gears can contribute to energy efficiency in machinery and equipment. By using helical gears with high efficiency, the overall energy consumption can be reduced, resulting in lower greenhouse gas emissions and energy-related environmental impacts.
  • Lubrication: Proper lubrication of helical gears is essential for efficient operation and reducing wear. Choosing environmentally friendly lubricants, such as biodegradable or low-toxicity options, can minimize the potential harm to the environment in case of leakage or disposal.
  • Maintenance and Inspection: Regular maintenance and inspection of helical gears can help identify and address issues such as misalignment, excessive wear, or inadequate lubrication. Promptly addressing these issues can extend the gear’s lifespan, reduce the need for replacements, and reduce waste generation.
  • Noise and Vibration: Helical gears are known for their smooth operation, which helps reduce noise and vibration. This can have environmental benefits by minimizing noise pollution and creating a more comfortable and sustainable working environment.
  • End-of-Life Considerations: When helical gears reach the end of their useful life, proper disposal or recycling practices should be followed. Recycling gears and their materials can help reduce waste and prevent the accumulation of non-biodegradable materials in landfills.
  • Life Cycle Assessment: Conducting a life cycle assessment (LCA) of helical gears can provide a comprehensive evaluation of their environmental impact throughout their life cycle. This assessment considers factors such as raw material extraction, manufacturing processes, energy consumption, transportation, use phase, and end-of-life disposal. LCA can help identify areas for improvement and guide decision-making towards more sustainable gear solutions.

By considering these environmental factors when using helical gears, manufacturers and users can minimize the environmental impact associated with gear production, operation, and disposal. Implementing sustainable practices not only helps protect the environment but also promotes resource efficiency and long-term economic viability.

helical gear

Can you explain the concept of helical gear teeth and their orientation?

The concept of helical gear teeth and their orientation is essential to understanding the design and operation of helical gears. Here’s a detailed explanation of helical gear teeth and their orientation:

A helical gear consists of teeth that are cut in a helical pattern around the gear’s circumference. Unlike spur gears, which have teeth that are perpendicular to the gear axis, helical gears have teeth that are angled or inclined with respect to the gear axis. This inclination gives the teeth a helix shape, resulting in the name “helical” gears.

The orientation of helical gear teeth is defined by two main parameters:

  1. Helix Angle: The helix angle represents the angle formed between the tooth surface and an imaginary line perpendicular to the gear axis. It determines the degree of inclination or spiral of the gear teeth. The helix angle is typically measured in degrees. Positive helix angles indicate a right-hand helix, where the teeth slope in a right-hand direction when viewed from the gear’s end. Negative helix angles represent a left-hand helix, where the teeth slope in a left-hand direction. The helix angle affects the gear’s performance characteristics, including tooth engagement, load distribution, and axial thrust.
  2. Lead Angle: The lead angle is the angle formed by the helical tooth and a plane perpendicular to the gear axis. It represents the angle of advance of the helix over one revolution of the gear. The lead angle is equal to the helix angle divided by the gear’s number of teeth. It is commonly used to define the helical gear’s size and pitch.

The helical tooth orientation offers several advantages over spur gears:

  • Smooth and Quiet Operation: The helical shape of the teeth allows for gradual engagement and disengagement during gear rotation. This results in smoother and quieter operation compared to spur gears, which often produce noise due to the sudden contact between teeth.
  • Increased Load-Carrying Capacity: The helical tooth design provides a larger contact area between meshing gears compared to spur gears. This increased contact area allows helical gears to transmit higher loads and handle greater torque without excessive wear or tooth failure.
  • Load Distribution: The helical orientation of the teeth enables load distribution along the tooth face. Multiple teeth are engaged simultaneously, distributing the load across a broader surface area. This characteristic helps minimize stress concentrations and increases the gear’s durability.
  • Axial Thrust Load: The helical tooth engagement introduces axial forces and thrust loads along the gear axis. These forces must be properly supported and managed in the gear system design to ensure smooth operation and prevent excessive wear or failure.

The design and manufacturing of helical gears require specialized cutting tools and machining processes. The helical teeth are typically generated using gear hobbing or gear shaping methods. The tooth profile is carefully designed to ensure proper meshing and minimize noise, vibration, and wear.

In summary, helical gear teeth have a helical or spiral shape, which distinguishes them from the perpendicular teeth of spur gears. The orientation of helical gear teeth is defined by the helix angle and lead angle. Helical gears offer advantages such as smooth operation, increased load-carrying capacity, load distribution, and axial thrust load. These characteristics make helical gears suitable for applications that require efficient power transmission, precise motion control, and reduced noise and vibration.

China wholesaler Customized Forging Various Gear Used Automobile, Construction Machinery, Agricultural Machinery spurs gearChina wholesaler Customized Forging Various Gear Used Automobile, Construction Machinery, Agricultural Machinery spurs gear
editor by Dream 2024-05-15

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Double Helical Gear

As one of the leading double helical gear manufacturers, suppliers, and exporters of mechanical products, We offer double helical gear and many other products.

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