Product Description
High Precision Polishing Casting CNC Machining Stainless Steel Worm Wheel Gear
Transmission signal: rely on the teeth of the driving wheel to push the teeth of the driven wheel in turn to transmission the motion and power between the 2 shafts.
Features of bevel gears:
1.Mesh transmission , accurate transmission ratio, stable transmission and low noise.
2. It is applicable to a wide range of power and speed.
3.High efficiency, long life, safe and reliable work.
4. The cost is not very high and needs special equipment for processing.
Product Description
| Product name | Worm Gear and Worm Wheel |
| Materials Available | Stainless Steel, Carbon Steel, Brass, Bronze, Iron, Aluminum Alloy,Copper,Plastic etc |
| Heat Treatment | Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding…… |
| Surface Treatment | Carburizing and Quenching,Tempering ,Tooth suface high quenching Hardening,Tempering |
| BORE | Finished bore, Pilot Bore, Special request |
| Processing Method | Molding, Shaving, Hobbing, Drilling, Tapping, Reaming, Manual Chamfering, Grinding etc |
| Pressure Angle | 20 Degree |
| Hardness | 55- 60HRC |
| Size | Customer Drawings & ISO standard |
| Package | Wooden Case/Container and pallet, or made-to-order |
| Certificate | ISO9001:2008 |
| Applications | Electric machinery, metallurgical machinery, environmental protection machinery, electronic and electrical appliances, road construction machinery, chemical machinery, food machinery, light industrial machinery, mining machinery, transportation machinery, construction machinery, building materials machinery, cement machinery, rubber machinery, water conservancy machinery and petroleum machinery |
| Machining Process | Material preparation, normalizing, rough turning, quenching and tempering, semi fine turning outer circle, rough turning spiral surface, fine turning (fine grinding) inner hole end face, keyway, semi fine turning spiral surface, pliers (rest incomplete teeth), semi fine grinding outer circle, semi fine grinding spiral surface, grinding center hole, fine grinding outer circle, fine grinding spiral surface, finished product inspection |
| Advantages | 1. Produce strictly in accordance with ANSI or DIN standard dimension 2. Material: SCM 415 steel 3. Bore: Finished bore 4. Precision grade: DIN 5 to DIN 7 5. Surface treatment: Carburizing and Quenching 6. Module: From 1 to 4 7. Tooth: From Z15 to Z70 |
Specifction:
| Number | Number of Teeth | Shaft Bore Dia. AH7 (1mm Increment) | Twisting Direction | B | C | D | E | F | G | ||
| Type | Module | Straight Bore Straight Bore+Tap | Keyway+Tap | ||||||||
| Straight Bore
Straight Bore+Tap Keyway+Tap |
1.0 | 20 | 6 | 8 | L(Left)
R(Right) |
17 | 20 | 22 | 8 | 10 | 18 |
| 22~ 28 | 8 | 8~13 | 18~20 | 22~28 | 24~30 | ||||||
| 30~48 | 10 | 10~17 | 25~30 | 30~48 | 32~50 | ||||||
| 50~70 | 12 | 12~17 | 35~40 | 50~70 | 52~72 | ||||||
| 80~100 | 15 | 15~30 | 50 | 80~100 | 82~102 | ||||||
| 1.5 | 20~26 | 12 | 12~17 | 24~32 | 30~39 | 33~42 | 12 | 12 | 24 | ||
| 28~44 | 15 | 15~30 | 36~50 | 42~67.5 | 45~70.5 | ||||||
| 45~52 | 18 | 18~40 | 50~60 | 72~78 | 75~81 | ||||||
| 60~100 | 20 | 20-50 | 60~70 | 90~150 | 93·153 | ||||||
| 2.0 | 15~18 | 12 | 12~17 | 24~30 | 30~36 | 34~40 | 16 | 13 | 29 | ||
| 20~28 | 15 | 15·22 | 32~45 | 40~56 | 44~60 | ||||||
| 30~36 | 18 | 18~40 | 50 | 60~72 | 64~76 | ||||||
| 40~48 | 20 | 20~44 | 60 | 80~96 | 84~100 | ||||||
| 50~100 | 25 | 25~60 | 60~100 | 100~200 | 104~204 | ||||||
| 2.5 | 15~18 | 15 | 15~30 | 30~38 | 37.5~45 | 42.5~50 | 20 | 14 | 34 | ||
| 20~24 | 18 | 18~40 | 40~48 | 50~60 | 55~65 | ||||||
| 25~36 | 20 | 20~50 | 50~70 | 62.5~90 | 67.5~95 | ||||||
| 40~60 | 25 | 25~70 | 70~80 | 90~150 | 95~155 | ||||||
| 3.0 | 15~18 | 18 | 18~22 | 36~40 | 45~54 | 51~60 | 25 | 16 | 4 | ||
Company Profile
Packaging & Shipping
| Packaging | Polyethylene bag or oil paper for each item; Pile on carton or as customer’s demand |
| Delivery of Samples | By DHL, Fedex, UPS, TNT, EMS |
| Lead time | 10-15 working days as usual, 30days in busy season, it will based on the detailed order quantity. |
FAQ
| Main Markets? | North America, South America, Eastern Europe , West Europe , North Europe, South Europe, Asia |
| How to order? | * You send us drawing or sample |
| * We carry through project assessment | |
| * We give you our design for your confirmation | |
| * We make the sample and send it to you after you confirmed our design | |
| * You confirm the sample then place an order and pay us 30% deposit | |
| * We start producing | |
| * When the goods is done, you pay us the balance after you confirmed pictures or tracking numbers. | |
| * Trade is done, thank you!! |
If you are interested in our products, please tell us which materials, type, width, length u want.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Textile Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| Manufacturing Method: | Rolling Gear |
| Toothed Portion Shape: | Spur Gear |
| Material: | Stainless Steel |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What is the lifespan of a typical worm gear?
The lifespan of a typical worm gear can vary depending on several factors, including the quality of materials, design, operating conditions, maintenance practices, and the specific application. Here’s a detailed explanation of the factors that influence the lifespan of a worm gear:
1. Quality of materials: The choice of materials used in the construction of the worm gear greatly impacts its lifespan. High-quality materials, such as hardened steel or bronze, offer better durability, wear resistance, and overall longevity compared to lower-quality materials. The selection of appropriate materials based on the application requirements is crucial for achieving a longer lifespan.
2. Design considerations: The design of the worm gear, including factors such as tooth profile, size, and load distribution, can influence its lifespan. Well-designed worm gears with optimized tooth geometry and proper load-carrying capacity tend to have longer lifespans. Additionally, features like lubrication systems and anti-backlash mechanisms can also contribute to improved durability and extended lifespan.
3. Operating conditions: The operating conditions under which the worm gear operates play a significant role in determining its lifespan. Factors such as load magnitude, speed, temperature, and environmental conditions can affect the wear and fatigue characteristics of the gear. Properly matching the worm gear to the application requirements and ensuring that it operates within specified limits can help prolong its lifespan.
4. Maintenance practices: Regular maintenance and proper lubrication are essential for maximizing the lifespan of a worm gear. Adequate lubrication helps reduce friction, wear, and heat generation, thereby extending the gear’s life. Regular inspections, lubricant replenishment, and timely replacement of worn or damaged components are important maintenance practices that can positively impact the lifespan of the worm gear.
5. Application-specific factors: The specific application in which the worm gear is used can also influence its lifespan. Factors such as operating cycles, torque levels, shock loads, and duty cycles vary between applications and can impact the wear and fatigue experienced by the gear. Understanding the unique requirements and demands of the application and selecting a worm gear that is appropriately rated and designed for those conditions can contribute to a longer lifespan.
Given the variations in materials, designs, operating conditions, and maintenance practices, it is challenging to provide a specific lifespan for a typical worm gear. However, with proper selection, installation, and maintenance, worm gears can have a lifespan ranging from several years to decades, depending on the factors mentioned above.
It is worth noting that monitoring the performance of the worm gear through regular inspections and addressing any signs of wear, damage, or excessive backlash can help identify potential issues early and extend the gear’s lifespan. Additionally, following the manufacturer’s guidelines and recommendations regarding maintenance intervals, lubrication types, and operating limits can significantly contribute to maximizing the lifespan of a worm gear.
What are the potential challenges in designing and manufacturing worm gears?
Designing and manufacturing worm gears can present several challenges due to their unique characteristics and operating conditions. Here’s a detailed explanation of the potential challenges involved:
- Complex geometry: Worm gears have complex geometry with helical threads on the worm shaft and corresponding teeth on the worm wheel. Designing the precise geometry of the gear teeth, including the helix angle, lead angle, and tooth profile, requires careful analysis and calculation to ensure proper meshing and efficient power transmission.
- Gear materials and heat treatment: Selecting suitable materials for worm gears is critical to ensure strength, wear resistance, and durability. The materials must have good friction and wear properties, as well as the ability to withstand the sliding and rolling contact between the worm and the worm wheel. Additionally, heat treatment processes such as carburizing or induction hardening may be necessary to enhance the gear’s surface hardness and improve its load-carrying capacity.
- Lubrication and cooling: Worm gears operate under high contact pressures and sliding velocities, resulting in significant heat generation and lubrication challenges. Proper lubrication is crucial to reduce friction, wear, and heat buildup. Ensuring effective lubricant distribution to all contact surfaces, managing lubricant temperature, and providing adequate cooling mechanisms are important considerations in worm gear design and manufacturing.
- Backlash control: Controlling backlash, which is the clearance between the worm and the worm wheel, is crucial for precise motion control and positional accuracy. Designing the gear teeth and adjusting the clearances to minimize backlash while maintaining proper tooth engagement is a challenge that requires careful consideration of factors such as gear geometry, tolerances, and manufacturing processes.
- Manufacturing accuracy: Achieving the required manufacturing accuracy in worm gears can be challenging due to their complex geometry and tight tolerances. The accurate machining of gear teeth, maintaining proper tooth profiles, and achieving the desired surface finish require advanced machining techniques, specialized tools, and skilled operators.
- Noise and vibration: Worm gears can generate noise and vibration due to the sliding contact between the gear teeth. Designing the gear geometry, tooth profiles, and surface finishes to minimize noise and vibration is a challenge. Additionally, the selection of appropriate materials, lubrication methods, and gear housing design can help reduce noise and vibration levels.
- Efficiency and power loss: Worm gears inherently have lower efficiency compared to other types of gear systems due to the sliding contact and high gear ratios. Minimizing power loss and improving efficiency through optimized gear design, material selection, lubrication, and manufacturing accuracy is a challenge that requires careful balancing of various factors.
- Wear and fatigue: Worm gears are subjected to high contact stresses and cyclic loading, which can lead to wear, pitting, and fatigue failure. Designing the gear teeth for proper load distribution, selecting appropriate materials, and applying suitable surface treatments or coatings are essential to mitigate wear and fatigue issues.
- Cost considerations: Designing and manufacturing worm gears can be cost-intensive due to the complexity of the gear geometry, material requirements, and precision manufacturing processes. Balancing performance requirements with cost considerations is a challenge that requires careful evaluation of the gear’s intended application, performance expectations, and budget constraints.
Addressing these challenges requires a comprehensive understanding of gear design principles, manufacturing processes, material science, and lubrication technologies. Collaboration between design engineers, manufacturing experts, and material specialists is often necessary to overcome these challenges and ensure the successful design and production of high-quality worm gears.
How does a worm gear differ from other types of gears?
A worm gear differs from other types of gears in several ways. Here are the key differences:
- Gear Configuration: A worm gear consists of a threaded worm and a mating gear, known as the worm wheel or worm gear. The worm has a helical thread that meshes with the teeth of the worm wheel. In contrast, other types of gears, such as spur gears, bevel gears, and helical gears, have parallel or intersecting axes of rotation.
- Gear Ratio: Worm gears provide high gear reduction ratios compared to other types of gears. The ratio is determined by the number of teeth on the worm wheel and the number of threads on the worm. This high reduction ratio allows worm gears to transmit more torque while maintaining a compact size.
- Direction of Rotation: In a worm gear system, the worm can drive the worm wheel, but the reverse is not true. This is due to the self-locking nature of worm gears. The angle of the worm’s helical thread creates a wedging action that prevents the worm wheel from backdriving the worm. This characteristic makes worm gears suitable for applications requiring a mechanical brake or holding position.
- Efficiency: Worm gears typically have lower efficiency compared to other types of gears. This is primarily due to the sliding action between the worm’s threads and the worm wheel’s teeth, which leads to higher friction and energy losses. Therefore, worm gears are not ideal for applications that require high efficiency or continuous, high-speed operation.
- Lubrication: Worm gears require proper lubrication to reduce friction and wear. The sliding action between the worm and the worm wheel generates heat, which can affect the performance and lifespan of the gear system. Lubricants help to dissipate heat and provide a protective film between the mating surfaces, reducing friction and extending the gear’s life.
- Applications: Worm gears are commonly used in applications that require high gear reduction, compact size, and self-locking capabilities. They are found in various industries, including elevators, automotive steering systems, machine tools, robotics, and winding mechanisms.
Overall, the unique design and characteristics of worm gears make them suitable for specific applications where high torque, compactness, and self-locking features are essential, even though they may have lower efficiency compared to other types of gears.
editor by CX 2024-04-02