Product Description
Pinion Rack Round Worm Screw Helical Hypoid Straight Ring Spiral Forged Bevel Spur Differential Steering Internal Box Spline Plastic Nylon Stainless Steel Gear
Gears:
The processing production line we see can produce the following gears: spur gears, helical gears, bevel gears, spiral bevel gears, straight bevel gears, internal gears, worm gears, gear rack
| Process | CNC machining,CNC milling, cnc lathe machining |
| Available Material | 1.Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420,etc. |
| 2.Steel: C45, 40Cr, 42CrMo, 20CrNiMo, 20CrMnTi, etc. (AISI 1045, 5140, 4140/4142, 8620 etc.) | |
| 3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40),etc. | |
| 4.Bronze: C51000, C52100, C54400, etc. | |
| 5. Iron: 1213, 12L14,1215,etc. | |
| 6. Aluminum: Al6061, Al6063,Al2571,Al7075 etc | |
| 7. Carbon steel:AISI1006,AISI1571,AISI1571,etc. | |
| 8.Nylon PA66,MC901,POM plastic ects | |
| Hardness | HRC50~55 |
| Quality Control | ISO9001 and ISO14001 |
| Dimension bore tolerances | -/+0.01mm |
| Quality standard | AGMA, JIS, DIN |
| Size/Color | Gears and parts dimensions are according to drawings from customer, and colors are customized |
| Surface treatment | black oxide,Zn-plated,ni-plated,tin-plated,chrome plated,passivated,sandblast and anodize,chromate,polish,electro painting,black anodize,plain,H.D.G,etc. |
| Dimensions Tolerance | ±0.01mm or more precise |
| Samples confirmation and approval | samples shipped for confirmation and shipping cost paid by customers |
| Package | Inner clear plastic bag/outside carton/wooden pallets/ or any other special package as per customer’s requirements. |
We also have injection molding machines, which can produce plastic nylon gears according to your needs
Related products
Transmission products:
Gearbox/gear reducer:
Click here for more details!
Customization process
Support Customized Gears from Customers’ drawings and samples and Various non-standard customization
1.Products Discussions
Customers send drawings oramples, and quote according to customers’ requirements.
2.Molds designing
Designing 3D drawings and optimizing the products.
3.Drawing confirmation
Sending the mold drawing tothe customers , and the customers CHINAMFG for confirmation.
4.Molds Construction
Manufacture molds accurately and accurately according to the drawings.
5.Moulds Inspection and Moulds Test
Detect various indicators of molds and optimization of inner cavities.
6.Sample Aprroval from Customer
Customers approve the samples and confirm them for bulk production.
7.Mass Production
Bulk production according to customers’s PO
8.PO Finished
Shipping to the customer andthe customers receive the gears.
If you need other customized requirements, please click here to contact us!
Why Choose Us
We enthusiastically provide sincere and prompt service to our customers and establish sustainable business relationship with them.
100% Factory inspection, we are responsible for any problems subjected to malfunction in warranty period.
We Can Provide You:
- On-time Delivery with More Choice
- Product Solutions and Service
- Long Quality Guarantee
- Local Technical Support
- Fast Response to Customers’ Feedbacks in 24 hours
Also I would like to take this opportunity to give a brief introduction of our CHINAMFG company:
Our company is a famous manufacturer of agriculture gearbox,worm reduce gearbox, PTO shafts, Sprockets ,rollar chains, bevel gear, pulleys and racks in china.
We have exported many products to our customers all over the world, we have long-time experience and strong technology support.
You also can check our website to know for more details, if you need our products catalogue, please contact with us.
Company information
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| Manufacturing Method: | Cast Gear |
| Toothed Portion Shape: | Bevel Wheel |
| Material: | Cast Iron |
| Samples: |
US$ 999/Piece
1 Piece(Min.Order) | |
|---|
How do spiral gears handle changes in direction and torque transmission?
Spiral gears are well-suited to handle changes in direction and torque transmission due to their unique design and characteristics. Here’s how spiral gears handle these aspects:
- Smooth Direction Changes: Spiral gears excel at transmitting power smoothly even during changes in direction. The helical tooth arrangement allows for gradual tooth engagement and disengagement as the gears rotate. This gradual engagement minimizes the impact and shock typically associated with sudden direction changes in gear systems. As a result, spiral gears provide smoother and more reliable power transmission during both forward and reverse rotations.
- Torque Transmission: Spiral gears are capable of transmitting high torque loads. The helical tooth profile and increased tooth contact area allow for efficient torque transfer between the driving and driven gears. The load distribution across multiple teeth helps to minimize stress concentration and maximize the gear’s torque-carrying capacity. This makes spiral gears suitable for applications requiring high torque transmission, such as heavy machinery and industrial equipment.
- Axial Thrust Compensation: Spiral gears can be designed with opposite helix angles on mating gears, resulting in axial thrust cancellation. This feature is particularly beneficial when dealing with bidirectional torque transmission. By canceling out the axial thrust, spiral gears can operate with reduced axial forces, ensuring smoother gear operation and minimizing the need for additional thrust bearings or complicated gear arrangements.
- Load Sharing: Spiral gears naturally distribute the load across multiple teeth due to their helical tooth arrangement. This load sharing capability helps to minimize tooth wear and fatigue, ensuring long-term durability and reliability, especially when subjected to varying torque conditions. By distributing the load, spiral gears can handle torque variations more effectively and maintain uniform tooth contact, resulting in improved performance and extended gear life.
These characteristics of spiral gears—smooth direction changes, efficient torque transmission, axial thrust compensation, and load sharing—make them highly suitable for applications that require reliable and precise power transmission in both directions. Spiral gears are commonly used in various industries, including automotive, aerospace, and heavy machinery, where the ability to handle changes in direction and torque is crucial.
What is the impact of helix angle on spiral gear performance?
The helix angle plays a crucial role in determining the performance characteristics of spiral gears. It affects various aspects of gear operation and functionality. Here’s the impact of the helix angle on spiral gear performance:
- Load-Carrying Capacity: The helix angle influences the load-carrying capacity of spiral gears. A larger helix angle results in a more pronounced helical shape of the teeth, providing a larger contact area between the gears. This increased contact area allows spiral gears to distribute the load over more teeth, thereby increasing their load-carrying capacity. Gears with larger helix angles can handle higher loads and transmit more torque.
- Smoothness of Operation: The helix angle significantly affects the smoothness of gear operation. A larger helix angle leads to a more gradual tooth engagement as the gears mesh. This gradual engagement reduces impact and vibration during gear meshing, resulting in smoother operation and reduced noise levels. Spiral gears with larger helix angles are known for their quiet operation and enhanced gear meshing characteristics.
- Efficiency and Power Transmission: The helix angle also influences the efficiency of power transmission in spiral gears. A larger helix angle reduces sliding friction between the teeth during meshing. This reduction in friction results in improved power transmission efficiency and reduced energy losses. Gears with larger helix angles are more efficient in transmitting power, making them suitable for applications where power efficiency is a critical factor.
- Axial Thrust and Thrust Load: The helix angle affects the axial thrust and thrust load in spiral gears. Axial thrust is the force generated in the axial direction due to the helical tooth arrangement. A larger helix angle produces a higher axial thrust, while a smaller angle generates a lower axial thrust. The axial thrust must be considered and managed in gear design to ensure proper gear support and minimize the need for additional thrust bearings.
- Contact Pattern and Gear Meshing: The helix angle influences the contact pattern between the teeth during gear meshing. A larger helix angle shifts the contact pattern across the tooth face, allowing for more even distribution of the load and reduced stress concentration. The contact pattern also affects the gear meshing characteristics, such as tooth wear and noise generation. Proper selection of the helix angle ensures optimal contact pattern and improved gear meshing performance.
The choice of helix angle in spiral gears depends on the specific application requirements, including load capacity, smoothness of operation, power transmission efficiency, and axial thrust considerations. By selecting an appropriate helix angle, engineers can optimize spiral gear performance for different applications, ensuring reliable and efficient gear operation.
Can you describe the unique tooth profile of spiral gears?
The unique tooth profile of spiral gears, also known as helical gears, sets them apart from other gear types. Here is a description of the key characteristics of the tooth profile:
- Helical Shape: The teeth of spiral gears are helically shaped, meaning they have a curved or slanted form. This helical shape is a result of the helix angle, which is the angle between the tooth surface and the gear axis. The helical shape allows for gradual tooth engagement and smooth gear operation.
- Curved Tooth Surface: The tooth surface of spiral gears is curved or oblique due to the helical shape. This curved profile enables the teeth to engage gradually and smoothly as the gears rotate, reducing impact and noise during gear meshing.
- Lead: The lead of a spiral gear refers to the distance the gear advances axially in one complete revolution. The lead is determined by the helix angle and the number of teeth on the gear. The lead affects the contact pattern and gear meshing characteristics.
- Contact Pattern: When spiral gears mesh, the contact pattern between the teeth changes as the gears rotate. Initially, the contact starts near the smaller end of the tooth and gradually moves across the tooth face as the gears rotate. This shifting contact pattern helps distribute the load over multiple teeth and reduces localized stresses.
- Helix Angle: The helix angle is the angle between the tooth surface and the gear axis. It determines the amount of helical shape in the tooth profile. A larger helix angle results in a more pronounced helical shape, while a smaller angle produces a shallower helix. The helix angle affects the load-carrying capacity, smoothness of operation, and axial thrust characteristics of the spiral gears.
These unique characteristics of the tooth profile in spiral gears, such as the helical shape, curved tooth surface, lead, contact pattern, and helix angle, contribute to their smooth operation, efficient power transmission, and ability to handle high loads. The tooth profile design of spiral gears is crucial in achieving reliable and effective gear meshing in various mechanical systems and applications.
editor by CX 2023-11-01
