China supplier H. B. Industrial Gearbox for Heavy Induistry Equipment, Gear Unit, Reducer, for Crane, Agitator, Mining, sequential gearbox

Product Description

Technical Parameter 

Housing material HT200 high-strength cast iron(EWR37, EWR47, EWR57, EWR67, EWR77, EWR87)
Housing material HT250 High strength cast iron(EWR97, EWR 107, EWR137, EWR147, EWR167)
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
Bearing brand NSK, SKF, HRB, ZWZ etc
Oil seal brand NAK, KSK etc
Lubricant VG220
Motor IP55, F class
Motor shaft 40Cr, Carburizing, Quenching etc
Warranty 12months
Color Blue, Grey

Model EWR37 EWR47 EWR57 EWR67 EWR77 EWR87 EWR97 EWR107 EWR137 EWR147 EWR167
Weight 9 14 24 27 33 60 110 150 255 365 615
Shaft Ф 25mm 30mm 35mm 35mm 40mm 50mm 60mm 70mm 90mm 110mm 120mmProdu


♦Specially designed for agitator. 
♦Compact structure, Integrated casting housing, low noise and long service life. 
♦High efficiency and low maintenance. 

♦ Reducing Ratio: 2 stage 5~24.8, 3 stage 27.2~264, EWR/EWR combination type can be up to 18125. 
♦ Mounting Type: Foot mounted, Flange mounted. 
♦ Output Shaft: CHINAMFG shaft. 
♦ Efficiency: Two-stage96%, three-stage 94%, and combination of EWR/EWR85%. 

Technical Data
♦Size EWR37-EWR167
♦ Output Torque 130~18000N. M
♦ Motor Power 0.18~160kw
♦ Ratio 5~264(imax: 18125)

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

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. 

1. Q: Can you make as per customer drawing? 
A: Yes, we offer customized service for customers. 

2. Q: Are you a factory or trading company? 
A. We are a manufacturer in ZheJiang , China. 

3. Q: What’s your MOQ? 
A: One piece. 

4. Q: Wha’s yout quality control system?
A: We are certified with CE,CCC,ISO 9001. We have own independent QC team * advanced equipments to ensure quality from material purchasing til goods delivery.

5. Q: What’s your production time? 
A: 15-35 working days after receiving payment. 

6. Q: What’s your payment terms? 
A: T/T, 30% payment in advance, 70% balance payment should be paid before shipping. 

7. Q: What’s your package? 
A: In wooden box packaging. 

Company information

ZheJiang CHINAMFG Gear Reducer Co., Ltd. is a large professional manufacturer & exporter of various helical gear reducers and specialize in the gear reducers area in China for 20 years. CHINAMFG 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.

We make and supply 6 series of speed reducer as follows:
EWK series helical-bevel gear reducers,
EWR series helical gear reducers,
EWF series helical gear reducers,
EWS series helical-worm gear reducers
HB series gearboxes,
P series planetary gear reducers,etc.

Our products have been exporting to many countries and regions, including but not limited Argentina , Brazil, Mexico, Columbia , Ecuador , USA, South Korea, Vietnam, Indonesia, Georgia, South Africa, China HK, China Taiwai,

Welcome to send us enquiry or drawing. Visit us in ZheJiang , China.

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Application: Motorcycle, Machinery, Marine, Toy, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Helical Gear
Step: Three-Step


Customized Request

industrial gearbox

Customization of Industrial Gearboxes for Specific Industrial Needs

Yes, industrial gearboxes can be customized to meet specific industrial needs and requirements. Manufacturers offer customization options to ensure that the gearbox design and specifications align with the unique demands of different applications:

1. Gear Ratio: Industrial gearboxes can be customized to achieve specific gear ratios, allowing precise control over speed reduction or increase according to the application’s requirements.

2. Torque Capacity: Gearboxes can be designed with varying torque capacities to handle different levels of load and stress in heavy-duty applications.

3. Mounting Configurations: Gearboxes can be customized with different mounting options, such as flange or shaft-mounted designs, to fit seamlessly into the existing machinery.

4. Lubrication: Manufacturers can tailor the lubrication system of the gearbox to suit the operating conditions and environmental factors of the specific application.

5. Materials and Coatings: Industrial gearboxes can be customized with specific materials and coatings to enhance corrosion resistance, wear resistance, and durability.

6. Accessories and Features: Customizable features may include input and output shaft configurations, enclosures, cooling systems, and additional accessories to optimize performance.

7. Noise and Vibration Control: Custom designs can incorporate features to reduce noise and vibration, ensuring quieter and smoother operation.

8. Integration with Control Systems: Gearboxes can be customized to seamlessly integrate with control systems and automation technologies.

Manufacturers work closely with customers to understand their unique requirements and tailor industrial gearboxes accordingly. Customization ensures that the gearbox effectively addresses the specific challenges and demands of various industries, enhancing overall system performance and efficiency.

industrial gearbox

Maintenance Practices for Extending the Lifespan of Industrial Gearboxes

Proper maintenance is essential for ensuring the longevity and reliable performance of industrial gearboxes. Here are some crucial maintenance practices to extend their lifespan:

  • Lubrication: Regularly inspect and maintain the gearbox’s lubrication system. Use the recommended lubricants and ensure proper oil levels to minimize friction, reduce wear, and dissipate heat effectively.
  • Temperature Monitoring: Keep track of the operating temperature of the gearbox using temperature sensors. Abnormal temperature increases can indicate issues such as inadequate lubrication or gear misalignment.
  • Vibration Analysis: Implement vibration analysis techniques to detect potential problems early. Excessive vibration may signal misalignments, gear damage, or other issues that require attention.
  • Visual Inspections: Conduct routine visual inspections of the gearbox for signs of oil leaks, corrosion, worn gears, or other visible abnormalities. Address any issues promptly to prevent further damage.
  • Alignment Checks: Regularly check and adjust the alignment of the gearbox and connected components. Misalignments can lead to increased wear and reduced efficiency.
  • Torque and Load Analysis: Monitor the gearbox’s torque and load conditions to ensure they remain within recommended limits. Excessive loads can accelerate wear and lead to premature failure.
  • Seal Maintenance: Inspect and maintain seals to prevent contaminants from entering the gearbox and to retain lubricants. Damaged seals can lead to contamination and lubrication breakdown.
  • Regular Cleaning: Keep the gearbox clean and free from debris, dust, and dirt. Cleanliness helps prevent abrasive particles from causing wear on gears and other components.
  • Periodic Overhaul: Plan for scheduled gearbox overhauls to replace worn or damaged parts. Follow manufacturer guidelines and recommended intervals for these overhauls.
  • Training and Documentation: Ensure that maintenance personnel receive proper training on gearbox maintenance and record all maintenance activities and findings. This documentation helps track the gearbox’s history and informs future maintenance decisions.

By adhering to these maintenance practices, industrial gearboxes can operate optimally, minimize downtime, and achieve their intended lifespan, contributing to the overall efficiency and reliability of the machinery they are a part of.

industrial gearbox

Handling Different Torque and Speed Requirements

Industrial gearboxes are designed to handle varying torque and speed requirements in mechanical systems. This versatility is achieved through the use of different gear configurations and ratios. Here’s how industrial gearboxes handle different torque and speed requirements:

  • Gear Ratios: Industrial gearboxes utilize different gear ratios to achieve the desired output speed and torque. By combining gears of different sizes, gearboxes can increase torque while reducing speed (low-speed, high-torque) or increase speed while reducing torque (high-speed, low-torque).
  • Planetary Gear Systems: Planetary gearboxes, also known as epicyclic gearboxes, offer multiple gear stages within a compact design. They use a central sun gear, planet gears, and a ring gear to achieve various speed and torque combinations.
  • Helical Gears: Helical gears are commonly used in industrial gearboxes to transmit power smoothly and efficiently. Their angled teeth help distribute the load more evenly, reducing noise and vibration.
  • Bevel Gears: Bevel gearboxes are suitable for transmitting power between non-parallel shafts. They can handle varying torque and speed requirements by changing the angle and size of the gear teeth.
  • Worm Gears: Worm gearboxes offer a high reduction ratio in a compact design. They are useful for applications requiring high torque and lower speed.

Industrial gearboxes are selected based on the specific requirements of the application. Factors such as input speed, desired output speed, torque load, and operating conditions are considered when choosing the appropriate gearbox type and configuration. This allows industrial gearboxes to efficiently handle a wide range of torque and speed requirements across different industrial applications.

China supplier H. B. Industrial Gearbox for Heavy Induistry Equipment, Gear Unit, Reducer, for Crane, Agitator, Mining,   sequential gearbox	China supplier H. B. Industrial Gearbox for Heavy Induistry Equipment, Gear Unit, Reducer, for Crane, Agitator, Mining,   sequential gearbox
editor by CX 2024-04-03