China manufacturer Big Size Alloy Bevel Gear Wheel, Helical Gear Spiral Wheel top gear

Product Description

Product Description

Bevel Gear Processing
Bevel Pinion drawing CHECK, Make Forging Mold, Forging Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing. 
Spiral Bevel Gear Package
Spray anti-rust oil on Stone Crusher Gear Pinion, Wrap waterproof cloth around , Prepare package by shaft shape & weight to choose steel frame, steel support or wooden box etc.
OEM Customized Bevel Pinion
We supply OEM SERVICE, customized herringbone bevel gear with big module, more than 1tons big weight, more than 3m length, 42CrMo/35CrMo or your specified required material pinion. 
 

Detailed Photos

Product Parameters

Module m Range: 5~70
Gear Teeth Number z OEM/Customized
Teeth Height H OEM/Customized
Teeth Thickness S OEM/Customized
Tooth pitch P OEM/Customized
Tooth addendum Ha OEM/Customized
Tooth dedendum Hf OEM/Customized
Working height h’ OEM/Customized
Bottom clearance C OEM/Customized
Pressure Angle α OEM/Customized
Helix Angle,    OEM/Customized
Surface hardness HRC Range: HRC 50~HRC63(Quenching)
Hardness: HB Range: HB150~HB280; Hardening Tempering/ Hardened Tooth Surface 
Surface finish   Range: Ra1.6~Ra3.2
Tooth surface roughness Ra Range: ≥0.4
Gear Accuracy Grade   Grade Range: 5-6-7-8-9 (ISO 1328)
Diameter d Range: >1m
Weight Kg Range: >100kg/ Single Piece
Toothed Portion Shape   Bevel, Spiral etc
Material   Forging 42CrMo/40Cr or Customized
Gear Teeth Milling  
Gear Teeth Grinding  
Heat Treatment   Quenching /Carburizing
Sand Blasting   Null
Testing   UT\MT
Trademark   TOTEM/OEM
Application   Crusher, Gearbox, Reducer etc
Transport Package   Export package (steel frame, wooden box, etc.)
Origin   China
HS Code   8483409000

TOTEM SERVICE

TOTEM Machinery all the time works to supply GEAR SHAFT, ECCENTRIC SHAFT, HERRINGBONE GEAR, BEVEL GEAR, INTERNAL GEAR and other parts for transmission device & equipment (large industrial reducer & driver). Which mainly use to industrial equipment on fields of port facilities, cement, mining, metallurgical industry etc. 
TOTEM Machinery invests and becomes shareholders of several machine processing factories, forging factories, casting factories, relies on these strong reliable and high-quality suppliers’ network, to let customers worry-free purchase.  

TOTEM Philosophy: Quality-No.1, Integrity- No.1, Service- No.1 

24hrs Salesman on-line, guarantee quick and positive feedback. Experienced and Professional Forwarder Guarantee Log. transportation.
 

About TOTEM

1. Workshop & Processing Strength

2. Testing Facilities

3. Customer Inspection & Shipping

Contact TOTEM

ZheJiang CHINAMFG Machinery Co.,Ltd
  
Facebook: ZheJiang Totem

FAQ

What’s CHINAMFG product processing progress?
Drawing CHECK, Make Forging Mold, Forging Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing. 

How about TOTEM’s export package?
Spray anti-rust oil on Herringbone Gear Shaft, Wrap waterproof cloth around Gear Shaft for reducer, Prepare package by shaft shape&weight to choose steel frame, steel support or wooden box etc.

Could I customize gear\gear shaft on TOTEM?
We supply customized Gear Shaft,Eccentric Shaft,Herringbone Gear,Internal Gear,Bevel Gear with big module, more than 1tons big weight, more than 3m length, forging or casting 42CrMo/35CrMo or your specified required material. 

Why can I choose TOTEM?
TOTEM has 24hrs Salesman on-line, guarantee quick and positive feedback.
TOTEM Machinery invests and becomes shareholders of several machine processing factories, forging factories, casting factories, relies on these strong reliable and high-quality supplier’s network, to let customers worry-free purchase.
Experienced and Professional Forwarder Guarantee Log. transportation.

Application: Motor, Machinery, Agricultural Machinery, Gearbox
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Rolling Gear
Toothed Portion Shape: Bevel Wheel
Material: Cast Steel
Customization:
Available

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Customized Request

spiral gear

How do spiral gears handle variations in tooth engagement during operation?

Spiral gears are designed to handle variations in tooth engagement during operation effectively. The unique helical tooth arrangement of spiral gears allows them to accommodate these variations and provide several benefits. Here’s how spiral gears handle variations in tooth engagement:

  • Gradual Engagement: One of the key advantages of spiral gears is their ability to achieve gradual tooth engagement. As the gears rotate, the helical shape of the teeth allows them to come into contact gradually, starting from one end of the gear to the other. This gradual engagement minimizes the impact and shock that would occur with sudden full tooth contact in other gear types. It results in smoother and quieter operation, reducing noise, vibrations, and stress on the gear system.
  • Increased Tooth Contact Area: Spiral gears provide a larger tooth contact area compared to straight-cut or spur gears. The helical tooth profile extends the contact length along the gear face, distributing the load over multiple teeth at any given moment. This increased contact area enables spiral gears to handle higher loads and transmit torque more efficiently.
  • Load Sharing: Due to the helical arrangement, spiral gears naturally distribute the load across multiple teeth. This load-sharing characteristic helps to minimize tooth wear and fatigue. As the gears rotate, different teeth come into contact, ensuring that the load is distributed evenly. This load sharing capability enhances the gear system’s durability and extends its service life, particularly in applications with fluctuating loads.
  • Reduction of Side Thrust: Spiral gears generate an axial thrust force during operation. However, by using pairs of spiral gears with opposite helix angles, this side thrust force can be greatly reduced or even eliminated. When paired gears with opposite helix angles mesh together, the axial thrust forces cancel each other out. This eliminates the need for additional thrust bearings or complex gear arrangements to counteract the axial forces, simplifying the gear system design.
  • Improved Lubrication: The helical tooth profile of spiral gears promotes better lubrication. The continuous sliding motion between the teeth creates a pumping action that helps distribute lubricant along the tooth surfaces. This improved lubrication reduces friction, heat generation, and wear, enhancing the overall efficiency and longevity of the gear system.

These features of spiral gears—gradual engagement, increased tooth contact area, load sharing, reduction of side thrust, and improved lubrication—make them highly effective in handling variations in tooth engagement during operation. Spiral gears are commonly used in various applications such as automotive transmissions, industrial machinery, and power generation systems, where smooth and reliable power transmission is crucial.

spiral gear

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.

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 manufacturer Big Size Alloy Bevel Gear Wheel, Helical Gear Spiral Wheel top gearChina manufacturer Big Size Alloy Bevel Gear Wheel, Helical Gear Spiral Wheel top gear
editor by CX 2023-12-13

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Spiral Gears

As one of the leading spiral gear manufacturers, suppliers, and exporters of mechanical products, We offer spiral gear and many other products.

Please contact us for details.

Manufacturer supplier exporter of spiral gear.

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