China Standard CZPT Truck Parts Bevel Gear Pair Spiral Bevel Gear (199014320120) helical bevel gear

Product Description

 

Our main Overseas Business Scope

– All types of heavy duty truck
– Special modified vehicle
– All types of semitrailer
– Construction equipment&Machinery
– Pickup, VAN, Bus
– Spare parts- Service & Maintenance 

 FAQ

Q1: I don’t want this Dimension
A: The Dimension can be toatal customized.  
 
Q2: Minimum order quantity?
A: MOQ is 1 unit.  
 
Q3: Production period?   
A: Within 10 days since the moment we got your down payment. Except for large orders.  
 
Q4: Payment term?   
A: 1km, which comes the first.
(2) Other spare part could be supplied by OEM at cost prices. 
(3) Regularly callback to know the vehicle’s working status. 
(4) The overseas engineers are always ready to deal with unexpected needs. 

 Our Advantages

(1)Competitive Factory Price and Excellent Quality
(2)More than 20 years’ experience as a manufacturer
(3)Products Quality Certification SGS CCC ISO
(4)Perfect after-sale service
(5)Customized products available with us
(6)Export to more than 50 countries and regions

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 Our Parts Workshop

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Company information

China Truck International Ltd is 1 of the main exporters of Chinese trucks which is authorized by Ministry of Commerce
Our main products include full series products of CNHTC(HOWO,STR,Golden Prince,etc.), and spare parts for them. At the same time, we are always glad to provide professional suggestion for your orders,related technical support, and perfect after-sales services.
Staff of our company can provide the trucks meeting the requirement of customers at the best price. We have many years of experience in exporting trucks. We have not only the certificate and license of truck export and also strict quality management,fast and convenient channel of goods delivery, strict examination in quality and quantity of products, professional packing, professional and reliable loading goods,ontime delivery and competitive prices.if you want to buy tractor truck,please contact us.
We sincerely hope to cooperate with you to expand market in your country!

Contact person: Nancy
Tel 185626 0571 9

Type: Chassis
Certification: ISO9001
Driving System Parts: Frame
Electrical System Parts: Battery
Brake System Parts: Brake Control
Transmission System Parts: Clutch
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Customization:
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spiral gear

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.

spiral gear

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.

spiral gear

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.

China Standard CZPT Truck Parts Bevel Gear Pair Spiral Bevel Gear (199014320120) helical bevel gearChina Standard CZPT Truck Parts Bevel Gear Pair Spiral Bevel Gear (199014320120) helical bevel gear
editor by CX 2023-09-15