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 contribute to reducing noise and vibration?
Spiral gears contribute significantly to reducing noise and vibration in gear systems. Their unique design and characteristics help minimize unwanted sound and vibrations. Here’s how spiral gears achieve noise and vibration reduction:
- Gradual Tooth Engagement: Spiral gears have a helical tooth arrangement, which results in gradual tooth engagement as the gears mesh. Unlike spur gears with instantaneous full tooth contact, the helical teeth of spiral gears gradually come into contact, reducing the impact and shock during gear meshing. This gradual engagement helps to minimize noise and vibration.
- Improved Contact Pattern: The helical tooth profile of spiral gears produces a favorable contact pattern between the teeth. The contact pattern is more evenly distributed across the tooth face compared to spur gears, which reduces stress concentration and potential noise generation. The improved contact pattern contributes to smoother and quieter gear operation.
- Load Distribution: Spiral gears distribute the load over multiple teeth due to their helical shape. This load distribution helps to minimize localized stresses and reduces the risk of tooth breakage or pitting, which can contribute to noise and vibration. By spreading the load across a larger contact area, spiral gears ensure smoother and more stable gear operation.
- Reduced Sliding Friction: The sliding friction between gear teeth can generate noise and vibration. Spiral gears, with their helical tooth profile, exhibit reduced sliding friction compared to spur gears. The sliding motion is distributed along the helical path, resulting in smoother tooth contact and reduced friction-induced noise and vibration.
Collectively, these factors—gradual tooth engagement, improved contact pattern, load distribution, and reduced sliding friction—contribute to the noise and vibration reduction achieved by spiral gears. This makes them particularly suitable for applications where quiet operation and minimal vibration are essential, such as precision machinery, automotive transmissions, and other noise-sensitive environments.
How do you calculate the gear ratio in a spiral gear system?
The gear ratio in a spiral gear system can be calculated by comparing the number of teeth on the driving gear (pinion) to the number of teeth on the driven gear (gear). The gear ratio represents the ratio of the angular velocity (speed) of the driving gear to the angular velocity of the driven gear. Here’s the formula to calculate the gear ratio:
Gear Ratio = Number of Teeth on Driven Gear / Number of Teeth on Driving Gear
For example, consider a spiral gear system where the driving gear (pinion) has 20 teeth, and the driven gear (gear) has 40 teeth. The gear ratio can be calculated as follows:
Gear Ratio = 40 / 20 = 2
In this example, the gear ratio is 2, which means the driven gear will rotate at half the speed of the driving gear. This calculation assumes that the gears have the same module (gear size) and that there are no additional gear stages in the system.
It’s important to note that the gear ratio determines the speed and torque relationship between the driving and driven gears. A gear ratio greater than 1 (e.g., 2, 3, etc.) indicates a reduction in speed and an increase in torque, while a gear ratio less than 1 (e.g., 0.5, 0.75, etc.) indicates an increase in speed and a reduction in torque.
When working with spiral gears, it’s essential to consider the helix angle and axial thrust in addition to the gear ratio to ensure proper gear design and performance.
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 2023-11-02
