Product Description
Technical Parameter
| Housing material | HT200 high-strength cast iron(EWK37, EWK47, EWK57, EWK67, EWK77, EWK87) |
| Housing material | HT250 High strength cast iron(EWK97, EWK107, EWK127, EWK157, EWK167, EWK187) |
| Gear material | 20CrMnTi |
| Gear Surface&hardness | HRC58°-62° |
| Gear core hardness | HRC33°-78° |
| Input/Output shaft material | 40Cr |
| Gear Machining precision | Accurate grinding 6-5 grade |
| Heat treatment | Carburizing, Quenching etc |
| Efficiency | Up to 92% |
| Noise(Max) | 60-67dB |
| Installation type | Foot mounted, flange mounted |
| Output type | Solid shaft, Hollow shaft, splined hollow shaft, shrink disk |
| Bearing brand | NSK, SKF, HRB, ZWZ etc |
| Oil seal brand | NAK, KSK etc |
| Lubricant | VG220 |
| Motor | IP55, FÂ class |
| Motor shaft | 40Cr, Carburizing, Quenching etc |
| Warranty | 12months |
| Color | Blue, Grey |
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Features
♦Specially designed for agitator.Â
♦Compact structure, Integrated casting housing, low noise and long service life.Â
♦High efficiency and low maintenance.Â
Technical Data
Ratio I=8.1~191, combination of EWK/EWR is up to13459
Efficiency: 94%, and combination of EWK/EWR85%.Â
Size EWK37~EWK187.Â
Industrial Application
Power Plant Equipment
Metallurgical Industry
Metal Forming Machinery
Petrochemical Industry
Mining Machine
Hoisting Machinery
Construction Industry
Environmental Protection Industry
Cable Industry
Food Machinery
Certificates
Passed ” ISO 9001 International Quality System Certificate”, “Europe CE Certificate”, ” Swiss SGS Certificate”, “High-tech enterprise certificate of ZheJiang city”, “Excellent performance management enterprise of ZheJiang city”, etc.Â
FAQ
1. Q: Can you make as per custom drawing?Â
A: Yes, we offer customized service for customers.Â
2. Q: Are you a factory or trading company?Â
A. We are manufacturer in ZheJiang China.Â
3. Q: What’s your MOQ?Â
A: One piece.Â
4. Q: What’s your production time?Â
A: 7-15 working days after receiving payment.Â
5. Q: What’s your payment terms?Â
A: T/T, 30% payment in advance, 70% balance payment should be paid before shipping.Â
6. Q: What’s your package?Â
A: In wooden box packaging.Â
ZheJiang CZPT Gear Reducer Co., Ltd., former a joint venture invested by is a ZheJiang CZPT GROUP and Well Company of America. We are professional manufacturer of the gear reducers and specialize in the gear reducers area in China for 20 years. CZPT has excellent R&D team, top-ranking production and test equipment. So we have the strong power in the developing and manufacturing the standards type as well as the customized type gear reducer for our customers. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | 90 Degree |
| Layout: | Right-Angle |
| Gear Shape: | Bevel Gear |
| Step: | Three-Step |
| Customization: |
Available
| Customized Request |
|---|
Key Factors for Selecting a Helical Gearbox
Choosing the right helical gearbox for an application involves considering several key factors:
- Load and Torque: Evaluate the maximum load and torque requirements to ensure the gearbox can handle the application’s demands.
- Speed Range: Determine the required speed range and ensure the gearbox’s gear ratios can accommodate it.
- Efficiency: Helical gearboxes are known for their high efficiency. Select a gearbox with efficiency ratings that meet your application’s needs.
- Space Constraints: Consider the available installation space and choose a compact gearbox that fits within the available dimensions.
- Mounting Position: The mounting position affects lubrication, cooling, and overall performance. Ensure the gearbox is suitable for the desired mounting orientation.
- Service Life: Choose a gearbox with a service life that matches your application’s expected lifespan.
- Backlash: Evaluate the allowable backlash, which affects precision and positioning accuracy.
- Noise and Vibration: Assess the acceptable noise and vibration levels and choose a gearbox with suitable characteristics.
- Environmental Conditions: Consider factors like temperature, humidity, and dust levels to ensure the gearbox can operate reliably in the application environment.
- Maintenance: Factor in maintenance requirements and choose a gearbox with manageable maintenance needs.
- Cost: Balance performance with budget constraints to find a gearbox that offers the best value for your application.
By carefully evaluating these factors, you can select a helical gearbox that optimally meets your application’s requirements and ensures efficient and reliable operation.
Materials Used in Manufacturing Helical Gears
Helical gears are commonly manufactured using a variety of materials to meet specific requirements for strength, durability, wear resistance, and other mechanical properties. Some of the materials commonly used for manufacturing helical gears include:
- Steel: Various types of steel, such as carbon steel, alloy steel, and stainless steel, are frequently used due to their high strength, durability, and wear resistance. They are suitable for a wide range of applications and provide excellent performance.
- Cast Iron: Cast iron gears are known for their cost-effectiveness and good wear resistance. They are often used in applications where heavy loads and moderate speeds are involved.
- Brass: Brass gears are chosen for applications that require quiet operation and low-speed applications. They offer good corrosion resistance and are commonly used in smaller machinery.
- Bronze: Bronze gears are valued for their excellent wear resistance and compatibility with lubricants. They are often used in heavy-duty applications and situations where high loads are encountered.
- Plastics and Polymers: Certain plastic materials, such as nylon and acetal, are used for gears that require low noise levels and resistance to chemicals and corrosion. They are suitable for applications where lightweight components are essential.
- Aluminum: Aluminum gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction and corrosion resistance are priorities.
The choice of material depends on factors such as the application’s load, speed, environment, and desired performance characteristics. Manufacturers select materials that best align with the specific requirements of the helical gear system, ensuring optimal function and longevity.
Limitations and Disadvantages of Helical Gear Systems
While helical gear systems offer numerous advantages, they also come with certain limitations and disadvantages:
- Axial Thrust: Helical gears generate axial thrust due to the helix angle of the teeth. This thrust can cause additional load on bearings and may require additional measures to counteract.
- Complex Manufacturing: The manufacturing process for helical gears is more complex than that of straight-toothed gears, which can lead to higher production costs.
- Axial Length: Helical gears require more axial space compared to spur gears with the same gear ratio. This can be a limitation in applications with space constraints.
- Sliding Contact: Helical gears have sliding contact between their teeth, which can result in higher friction and more heat generation compared to rolling contact gears.
- Efficiency: Although helical gears are generally efficient, their efficiency can be slightly lower than that of some other gear types, especially at high speeds.
- Complexity in Gearbox Design: The inclination of helical gear teeth introduces additional complexity in gearbox design and alignment.
- Reverse Thrust: In some cases, reverse thrust can occur when helical gears are subjected to high axial loads, leading to undesirable effects.
It’s important to consider these limitations and disadvantages when selecting gear systems for specific applications. Despite these challenges, helical gears remain a popular choice in various industries due to their benefits and overall performance characteristics.
editor by CX 2024-04-11