Product Description
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Material: |
Stainless steelSS201,SS303,SS304,SS316,SS416,SS420,17-4PH,SUS440C |
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AluminumAL2571,AL5754(Almg3),AL5083,AL6061,AL6063,AL5052,AL7075 |
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Carbon steelQ235,S235JR,1571, 1015, 1571, 1571, 1030, 1035, 1040, 1045 |
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Alloy steel40Cr,15CrMo,4140,4340,35CrMo,16MnCr5 |
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Brass/Copper/BronzeC11000, C15710, C12000, C26000, C36000, etc.etc… |
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Stainless Steel (201, 302, 303, 304, 316, 420, 430) etc… |
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Steel (mild steel, Q235, 20#, 45#) etc… |
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Process: |
CNC Machining, turning,milling, lathe machining, boring, grinding, drilling,broaching, stamping,etc… |
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Surface treatment: |
Clear/color anodized; Hard anodized; Powder-coating;Sand-blasting; Painting; |
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Nickel plating; Chrome plating; Zinc plating; Silver/gold plating; |
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Black oxide coating, Polishing etc… |
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Gerenal Tolerance:(+/-mm) |
Gear grade :7Gread (ISO) |
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Run Out:0.005mm |
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Roundness:0.001mm |
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ID/OD Grinding: 0.002 |
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Roughness : Ra 0.05 Rz 0.2 |
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Certification: |
IATF 16949, ISO140001 |
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Experience: |
16 years of machining products |
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Packaging : |
Standard: carton with plastic bag protecting |
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For large quantity: pallet or wooden box as required |
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Lead time : |
In general:30-60days |
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Term of Payment: |
T/T, L/C, etc |
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Minimum Order: |
Comply with customer’s demand |
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Delivery way: |
Express(DHL,Fedex, UPS,TNT,EMS), By Sea, By air, or as required |
Our advantage: *Specialization in CNC formulations of high precision and high quality *Independent quality control department *Control plan and process flow sheet for each batch *Quality control in all whole production *Meeting demands even for very small quantities or single units *Short delivery times *Excellent price-quality ratio *Absolute confidentiality *Various materials (stainless steel, iron, brass, aluminum, titanium, special steels, industrial plastics)
FAQ: Q1: How can I get the samples? A: If you need some samples to test, you should pay for the transportation freight of samples and our samples cost. Q2: Can we have our marking,Logo or company name to be printed on your products or package? A: Sure. Your marking,logo,or company name can be put on your products by Laser machine Q3: How to order? A: Please send us your purchase order by Email, or you can ask us to send you a Performa invoice for your order. We need to know the following information for your order. 1) Product information-Quantity, Specification ( Size, Material, Technological and Packing requirements etc.) 2) Delivery time required 3) Shipping information-Company name, Street address, Phone&Fax number, Destination sea port. 4) Forwarder’s contact details if there’s any in China. Q4: When can you get the price? We usually quote within 48 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority. Kindly note that if your inquiry is with more details then the price we quote will be more accurate .Q5: How can you get a sample to check our quality? After price confirmation, you can require for samples to check our quality .Q6: What kind of files do we accept for drawing? A: PDF, CAD,STP,STEP Q7: What about the lead time for mass production? Honestly, it depends on the order quantity and the season you place the order. Generally speaking,it would need about 30-60days to finish the sample. Q8: What is our terms of delivery? We accept EXW, FOB, CFR, CIF, DDU, DDP, etc. You can choose the 1 which is the most convenient or cost effective for you.
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| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
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| Hardness: | Hardened Tooth Surface |
| Gear Position: | Internal Gear |
| Customization: |
Available
| Customized Request |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.
How do spiral gears differ from other types of gears?
Spiral gears, also known as helical gears, have distinct differences compared to other types of gears. These differences primarily stem from the helical tooth arrangement in spiral gears. Here’s how spiral gears differ from other gear types:
- Helical Tooth Arrangement: Spiral gears have teeth that are curved in a spiral pattern, forming a helix. This is different from straight-cut gears, which have teeth parallel to the gear axis, or bevel gears, which have teeth on conical surfaces. The helical tooth arrangement in spiral gears provides various advantages such as smoother operation, increased load capacity, and improved efficiency.
- Gradual Tooth Engagement: Due to the helical tooth arrangement, spiral gears have a gradual tooth engagement as the gears rotate. This gradual contact reduces impact and noise during gear meshing, resulting in smoother and quieter operation compared to straight-cut gears.
- Axial Thrust Compensation: Spiral gears can be designed with opposite helix angles on mating gears, which helps in canceling out the axial thrust generated during gear meshing. This feature eliminates the need for additional thrust bearings and simplifies the gear design, reducing complexity.
- Load Distribution: The helical tooth arrangement in spiral gears allows the load to be distributed over multiple teeth. This enables spiral gears to handle higher torque transmission and carry heavier loads compared to straight-cut gears.
- Efficiency: Spiral gears exhibit higher efficiency due to reduced sliding friction between the teeth. The helical tooth arrangement helps minimize sliding friction, resulting in lower power losses during gear operation.
- Versatility: Spiral gears can be manufactured in various configurations, including spur, helical, and double helical designs. This versatility allows for their application in a wide range of machinery and systems, providing flexibility in gear design and usage.
These differences make spiral gears well-suited for applications that require smooth operation, high load capacity, and efficient power transmission. They are commonly used in gearboxes, automotive differentials, machine tools, and various industrial machinery.
In summary, spiral gears stand out from other gear types due to their helical tooth arrangement, resulting in smoother operation, increased load capacity, improved efficiency, and versatility.
editor by Dream 2024-04-22