China wholesaler Factory Manufacturing Nonstander Gear CNC Machining Turning Parts OEM Custom Precise CNC Machined Double Helical Gear gear cycle

Product Description

We Are Precision Metal Parts Manufacturer And We Providing Custom Processing Service. Send Us Drawings, We Will Feedback You Quotation Within 24 Hours

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Our Advantages

 

Equipment
3-axis, 4-axis and full 5-axis processing equipment, CNC lathe, centering machine, turning and milling compound, wire cutting, EDM, grinding, etc

Processing
CNC machining, CNC Turning, CNC Milling, Welding, Laser Cutting, Bending, Spinning, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding

Materials
Aluminum, metal, steel, metal, plastic, metal, brass, bronze, rubber, ceramic, cast iron, glass, copper, titanium, metal, titanium, steel, carbon fiber, etc

Tolerance
+/-0.01mm, 100% QC quality inspection before delivery, can provide quality inspection form

Quality Assurance
ISO9001:2015, ISO13485:2016, SGS, RoHs, TUV
Tolerance

Surface Treatment

Aluminum parts Stainless Steel parts Steel parts Brass parts
Clear Anodized Polishing Zinc Plating Nickel Plating
Color Anodized Passivating Oxide black chrome plating
Sandblast Anodized Sandblasting Nickel Plating Electrophoresis black
Chemical Film Laser engraving Chrome Plating Oxide black
Brushing Electrophoresis black Carburized Powder coated
Polishing Oxide black Heat treatment  

 

Machining Workshop

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Application industry

CNC Machining Parts Can Be Used in Many Industry

Aerospace/ Marine/ Metro/ Motorbike/ Automotive industries, Instruments & Meters, Office equipments, Home appliance, Medical equipments, Telecommunication, Electrical & Electronics, Fire detection system, etc

 

Areospace

Cylinder Heads, Turbochargers, Crankshafts, Connecting Rods Pistons, Bearing Caps, CV Joints, Steering Knuckles, Brake Calipers,Gears,Differential Housing, Axle Shafts

 

Auto&Motorcycle

Cylinder Heads, Turbochargers, Crankshafts, Connecting Rods Pistons,Bearing Caps, CV Joints, Steering Knuckles, Brake Calipers,Gears, Differential Housing, Axle Shafts

 

Energy

Drill Pipes and Casing, Impellers Casings, Pipe Control Valves, Shafts, Wellhead Equipment, Mud Pumps, Frac Pumps, Frac Tools,Rotor Shafts and disc

 

Robotics

Custom robotic end-effectors, Low-volume prototype, Pilot, Enclosures, Custom tooling, Fixturing

 

Medical Industry

Rotary Bearing Seal Rings for CHINAMFG Knife,CT Scanner Frames,Mounting Brackets,Card Retainers for CT Scanners,Cooling Plenums for CT Scanners,Brackets for CT Scanners,Gearbox Components,Actuators,Large Shafts

 

Home Appliances

Screws, hinges, handles, slides, turntables, pneumatic rods, guide rails, steel drawers

 

Certifications

FAQ

Q1. What kind of production service do you provide?
CNC machining, CNC Turning, CNC Milling, Welding, Laser Cutting, Bending, Spinning, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding, Simple Assembly and Various Metal Surface Treatment.

Q2. How about the lead time?
Mould : 3-5 weeks
Mass production : 3-4 weeks

Q3. How about your quality?
♦Our management and production executed strictly according to ISO9001 : 2008 quality System.
♦We will make the operation instruction once the sample is approval. 
♦ We will 100% inspect the products before shipment.
♦If there is quality problem, we will supply the replacement by our shipping cost.

Q4. How long should we take for a quotation?
After receiving detail information we will quote within 24 hours

Q5. What is your quotation element?
Drawing or Sample, Material, finish and Quantity.

Q6. What is your payment term?
Mould : 50% prepaid, 50% after the mould finish, balance after sample approval.
Goods : 50% prepaid, balance T/T before shipment.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Aerospace/ Marine/Automotive/Medical Equipments
Hardness: Soft Tooth Surface
Gear Position: External Gear
Manufacturing Method: Machining,Milling,Stamping,Laser Cutting,etc
Toothed Portion Shape: Spur Gear
Material: Stainless Steel
Samples:
US$ 0.8/Piece
1 Piece(Min.Order)

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Customization:
Available

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helical gear

Are helical gears suitable for high-torque applications?

Helical gears are indeed well-suited for high-torque applications. Their design features and characteristics make them capable of handling significant torque loads without compromising performance or durability. Here’s a detailed explanation of why helical gears are suitable for high-torque applications:

  • Inclined Tooth Profile: Helical gears have teeth with an inclined profile, which allows for greater tooth engagement compared to other gear types. This increased contact area spreads the load over multiple teeth, distributing the torque more evenly. As a result, helical gears can handle higher torque levels without exceeding the strength limits of the gear teeth.
  • Large Contact Ratio: The inclined tooth design of helical gears also contributes to a large contact ratio, which refers to the number of teeth in contact at any given moment. The large contact ratio enables helical gears to transmit torque more smoothly and efficiently. It reduces localized stress on individual teeth, minimizing the risk of tooth failure and enhancing the gear’s ability to handle high-torque loads.
  • High Load-Carrying Capacity: Helical gears are known for their high load-carrying capacity. The inclined tooth profile and larger contact area allow helical gears to distribute the torque load over a broader surface, reducing the stress on individual teeth. This design feature enables helical gears to handle higher torque levels without experiencing premature wear or failure.
  • Gradual Tooth Engagement: During gear meshing, the inclined teeth of helical gears gradually engage, resulting in a smooth and gradual transfer of torque. This gradual engagement helps to reduce impact and shock loads, which can be detrimental to gear performance. By minimizing sudden torque spikes, helical gears maintain a consistent and reliable torque transmission, making them suitable for high-torque applications.
  • Efficient Power Transmission: Helical gears offer efficient power transmission, even in high-torque applications. The inclined tooth design reduces sliding friction between the gear teeth, resulting in lower energy losses and improved overall efficiency. This efficiency is particularly beneficial in high-torque applications where power consumption and heat generation need to be minimized.
  • Ability to Handle Variable Torque: Helical gears are capable of handling variable torque loads effectively. The gradual tooth engagement and larger contact area allow helical gears to accommodate fluctuations in torque without compromising performance. This flexibility makes helical gears suitable for applications where torque requirements may vary during operation.

In summary, helical gears are well-suited for high-torque applications due to their inclined tooth profile, large contact ratio, high load-carrying capacity, gradual tooth engagement, efficient power transmission, and ability to handle variable torque. These characteristics make helical gears reliable and durable in demanding industrial scenarios where high torque levels are encountered.

helical gear

What are the potential challenges in designing and manufacturing helical gears?

Designing and manufacturing helical gears can present various challenges that need to be addressed to ensure optimal performance and durability. Here’s a detailed explanation of the potential challenges encountered in designing and manufacturing helical gears:

  1. Complex Geometry: The geometry of helical gears is more complex compared to other gear types. The helical tooth profile requires precise calculations and manufacturing techniques to achieve the desired gear performance. Designers must account for factors such as helix angle, lead angle, tooth shape modification, and tooth contact pattern optimization. The complex geometry adds challenges to both the design and manufacturing processes.
  2. Manufacturing Accuracy: Achieving the required manufacturing accuracy for helical gears can be challenging. The gear teeth must have precise profiles and dimensions to ensure proper meshing and load distribution. The manufacturing processes, such as gear cutting (e.g., hobbing or grinding), must be carefully controlled to achieve the desired tooth geometry, surface finish, and dimensional accuracy. Maintaining tight tolerances and minimizing manufacturing variations are crucial to ensure the gears meet the design specifications.
  3. Axial Thrust and Bearing Considerations: Helical gears generate axial thrust forces due to the helix angle. The axial thrust can affect gear performance and may require additional measures to properly manage. Adequate bearing selection and support systems must be designed to accommodate the axial loads and ensure smooth gear operation. Consideration should also be given to the potential thrust-induced axial movement and its impact on gear alignment and system performance.
  4. Noise and Vibration: Helical gears can produce noise and vibration during operation, particularly if not designed or manufactured correctly. Factors such as improper tooth contact, misalignment, or excessive gear backlash can contribute to increased noise and vibration levels. Designers and manufacturers must carefully analyze and optimize the gear geometry, tooth contact patterns, and manufacturing processes to minimize noise and vibration and ensure quieter operation.
  5. Lubrication Challenges: Proper lubrication is critical for the smooth operation and longevity of helical gears. However, the helical tooth profile can pose challenges for lubricant distribution. The inclined teeth create a sliding action that may affect lubricant film formation and retention. Ensuring adequate lubrication to all gear surfaces, including the tooth flanks and root fillets, becomes important. Designing efficient lubrication systems and selecting appropriate lubricants that can withstand the sliding action and provide sufficient film thickness is crucial.
  6. Heat Dissipation: Helical gears can generate significant heat during operation, especially at high speeds or under heavy loads. Effective heat dissipation is essential to prevent overheating and premature wear. Designers and manufacturers need to consider heat dissipation mechanisms, such as proper housing design, cooling methods, and suitable materials with good thermal conductivity. Adequate ventilation and lubrication systems should also be designed to facilitate heat dissipation and maintain optimum operating temperatures.
  7. Tooling and Equipment: Manufacturing helical gears often requires specialized tooling and equipment. The gear cutting processes, such as hobbing or grinding, may necessitate specific tools, cutters, or grinding wheels. These tools must be properly selected, calibrated, and maintained to achieve accurate tooth profiles and finishes. The availability of suitable tooling and equipment, as well as the expertise to operate and maintain them, can be a challenge for gear manufacturers.
  8. Cost Considerations: Designing and manufacturing helical gears can involve higher costs compared to simpler gear types. The complexity of gear geometry, precision manufacturing requirements, specialized tooling, and additional considerations such as bearing support or noise reduction measures can contribute to increased production costs. Balancing the desired gear performance with cost considerations can be challenging for designers and manufacturers.

By addressing these potential challenges through careful design, precise manufacturing processes, and proper selection of materials and lubrication, engineers can overcome the complexities associated with designing and manufacturing helical gears and ensure high-quality gears that meet performance requirements and deliver long-term reliability.

helical gear

What is a helical gear and how does it work?

A helical gear is a type of cylindrical gear with teeth that are cut at an angle to the gear axis. It is widely used in various mechanical systems to transmit power and motion between parallel shafts. Here’s a detailed explanation of helical gears and their working principles:

A helical gear consists of a cylindrical shape with teeth that are cut in a helical pattern around the gear’s circumference. The teeth of a helical gear are not perpendicular to the gear axis but are instead aligned at an angle, forming a helix shape. This helix angle allows for gradual engagement and disengagement of the gear teeth, resulting in smoother and quieter operation compared to spur gears.

The working principle of a helical gear involves the transfer of rotational motion and power between parallel shafts. When two helical gears mesh together, their helical teeth gradually come into contact, causing a sliding action as the gears rotate. This sliding action creates both axial and radial forces on the teeth, resulting in a thrust load along the gear axis.

As the helical gears rotate, the sliding action between the teeth causes a force component along the gear axis. This axial force is responsible for generating the thrust load on the gear, which must be properly supported by suitable thrust bearings or other means to ensure smooth and efficient operation.

The helical gear design offers several advantages:

  1. Smooth and Quiet Operation: The helical teeth engagement allows for a gradual contact between the gear teeth, reducing impact and noise during operation. This results in smoother and quieter gear performance compared to spur gears.
  2. Increased Load-Carrying Capacity: The helical gear design provides greater tooth contact compared to spur gears. This increased contact area allows helical gears to transmit higher loads and handle greater torque without experiencing excessive wear or tooth failure.
  3. Parallel Shaft Operation: Helical gears are primarily used for transmitting power and motion between parallel shafts. By meshing two helical gears on parallel shafts, rotational motion can be efficiently transmitted from one shaft to the other with a constant speed ratio.
  4. Ability to Transmit Motion at Various Angles: While helical gears are commonly used for parallel shaft applications, they can also be used to transmit motion at non-parallel shaft angles by using a combination of helical gears or by incorporating additional components such as bevel gears.

It is important to consider a few factors when using helical gears:

  • Helix Angle: The helix angle determines the degree of tooth engagement and sliding action. A higher helix angle increases the smoothness of operation but also introduces a larger axial force and thrust load on the gear.
  • Direction of Helix: Helical gears can have either a right-hand or left-hand helix. When two helical gears mesh, they must have opposite helix directions to ensure proper engagement.
  • Lubrication: Due to the sliding action between helical gear teeth, proper lubrication is crucial to minimize friction, wear, and heat generation. Adequate lubrication helps ensure the longevity and efficiency of the gear system.

In summary, a helical gear is a cylindrical gear with teeth cut in a helical pattern. It operates by gradually engaging and disengaging the teeth, resulting in smooth and quiet operation. Helical gears are widely used in various mechanical systems for parallel shaft applications, providing high load-carrying capacity and efficient power transmission.

China wholesaler Factory Manufacturing Nonstander Gear CNC Machining Turning Parts OEM Custom Precise CNC Machined Double Helical Gear gear cycleChina wholesaler Factory Manufacturing Nonstander Gear CNC Machining Turning Parts OEM Custom Precise CNC Machined Double Helical Gear gear cycle
editor by CX 2023-12-04