China wholesaler Hb Series Helical Gearbox Heavy Industry Speed Reducer differential gearbox

Product Description

Features of H. B Series Gear Units/ Gear speed reducer/ Gear Motor/ Gearbox:
1. H. B series gear units adopt currency layout and may transform into special reducer according to customer’s requirement.
2. The housing of 1 size can realize parallel shaft, right-angle shaft modes and horizontal, vertical mounting modes. Variety of components is reducible; The number of reducer’s mode is augmentable.
3. Sound-absorbable structure, lager surface, big fan reduce temperature and noise, advanced grinding process of cylindrical gear and bevel gear improve stability and transmit power more efficiently.
 

Housing material     HT250 High strength cast iron
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 Horizontal mounting position,Vertical mounting position
Output type Solid shaft,Hollow shaft,hollow shaft with shrink disk,flanged 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

 

Characteristic advantage

1.It adopts new modular design and is convenient for mass production; combining the flexible installation site and varied output types, it can meet the demands of most applications and installation sites; 
2.It adopts various cooling and lubricating modes to ensure reliable meet heat dissipation in different environments, additionally, varied sealing modes can also be applied. 

Specification parameter

Installation:      horizontal and vertical
Drive Grade:      Single-stage, 2, 3 and 4-stage drives are available
Output Torque:      3~900kNm
Drive ratio:      1.25 ~450
Efficiency:      Single-stage 98%, 2-stage 96%, 3-stage 94%, 4-stage 92%

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.
FAQ 
1. Q: Can you make as per custom drawing? 
A: Yes, we offer customized service for customers. 
2. Q: Are you a factory or trading company? 
A. We are manufacturer in ZheJiang China. 
3. Q: What’s your MOQ? 
A: One piece. 
4. Q: What’s your production time? 
A: 7-15 working days after receiving payment. 
5. Q: What’s your payment terms? 
A: T/T, 30% payment in advance, 70% balance payment should be paid before shipping. 
6. Q: What’s your package? 
A: In wooden box packaging. 

ZheJiang CHINAMFG Gear Reducer Co.,Ltd., former a joint venture invested by is a ZheJiang CHINAMFG 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. 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.

Application: Machinery
Function: Change Drive Torque, Speed Changing, Speed Reduction
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Type: Helical Gear
Customization:
Available

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Customized Request

speed reducer gearbox

Ensuring Precision of Gear Tooth Profiles in Speed Reducer Gearboxes

Manufacturers employ several techniques to ensure the precision of gear tooth profiles in speed reducer gearboxes, which is crucial for optimal performance and longevity:

  • High-Quality Materials: Manufacturers use high-quality materials for gear manufacturing, such as hardened steel or specialized alloys, to enhance durability and minimize wear.
  • Precision Machining: Advanced machining processes, including CNC (Computer Numerical Control) machining and grinding, ensure accurate tooth profiles and precise gear dimensions.
  • Tooth Profile Design: Detailed tooth profile designs based on mathematical calculations and engineering principles help optimize meshing and minimize stress concentration.
  • Tooth Forming Techniques: Various tooth forming methods, such as hobbing, shaping, and broaching, are employed to create accurate gear tooth profiles with minimal deviations.
  • Heat Treatment: Heat treatment processes like carburizing, quenching, and tempering are used to achieve the desired hardness and strength, ensuring gear teeth can withstand operational stresses.
  • Quality Control: Rigorous quality control measures, including inspection using precision tools like coordinate measuring machines (CMMs), ensure compliance with design specifications.
  • Lubrication and Surface Coatings: Proper lubrication and specialized surface coatings help reduce friction and wear, maintaining accurate tooth profiles during operation.

By implementing these techniques and adhering to stringent quality standards, manufacturers can achieve the required precision in gear tooth profiles, resulting in smooth and efficient operation of speed reducer gearboxes.

speed reducer gearbox

Factors to Consider When Selecting the Right Speed Reducer Gearbox

Choosing the appropriate speed reducer gearbox for an application involves considering several key factors to ensure optimal performance and efficiency. Here are the factors to take into account:

Torque and Speed Requirements: Determine the required torque output and speed reduction or increase for your specific application. Select a gearbox that can handle the desired torque and provide the necessary speed output.

Ratio: The gear ratio determines the relationship between input and output speeds. Choose a gearbox with the appropriate gear ratio to achieve the desired speed reduction or increase.

Efficiency: Consider the efficiency of the gearbox, as higher efficiency results in less energy loss and heat generation. Choose a gearbox with a high efficiency rating for improved energy savings.

Load Type: Identify whether the application involves constant, intermittent, or shock loads. Different gearbox designs are better suited for specific load types.

Space and Mounting Constraints: Evaluate the available space for installing the gearbox and ensure that the selected design fits within the allotted area. Consider mounting options and alignment requirements.

Environmental Conditions: Take into account factors such as temperature, humidity, dust, and corrosive environments. Choose a gearbox with appropriate sealing and protection to withstand the operating conditions.

Service Life and Maintenance: Consider the expected service life of the gearbox and its maintenance requirements. Select a gearbox with durable components and minimal maintenance needs.

Backlash: Backlash refers to the amount of play or clearance between gear teeth. Depending on the application’s precision requirements, choose a gearbox with low backlash for accurate motion control.

Noise and Vibration: Some applications require low noise and vibration levels. Choose a gearbox with features to minimize noise and vibration if necessary.

Cost: Factor in the cost of the gearbox and its long-term operational expenses. Balance the initial investment with the expected benefits and performance improvements.

Compatibility: Ensure that the gearbox is compatible with the existing components and systems in your application.

Manufacturer and Supplier: Choose a reputable manufacturer or supplier with a track record of delivering high-quality, reliable gearboxes.

By carefully considering these factors, you can select the right speed reducer gearbox that meets the specific requirements of your application, ensuring efficient and reliable operation.

speed reducer gearbox

Handling Variations in Input and Output Speeds with Speed Reducer Gearboxes

Speed reducer gearboxes are designed to efficiently handle variations in input and output speeds, ensuring that mechanical systems can operate at desired levels of torque and rotational motion. Here’s how they accomplish this:

Versatile Gear Ratios: Speed reducer gearboxes are equipped with a combination of gears, typically including multiple stages of gear reduction. Each stage contains gears with specific gear ratios. By strategically selecting gear ratios for each stage, the gearbox can adjust the speed and torque output according to the input from the motor or initial power source.

Multi-Stage Reduction: In many speed reducer gearboxes, the input shaft connects to a series of gears, each progressively smaller in size. As the input gear turns, it drives the next gear in the sequence. This process continues through multiple stages, resulting in a significant reduction in rotational speed while increasing torque output.

Helical and Planetary Gears: Some speed reducer gearboxes use helical gears or planetary gear sets. Helical gears have angled teeth that engage gradually, reducing noise and providing smoother transitions between gears. Planetary gears consist of a central sun gear, multiple planet gears, and an outer ring gear. They allow for compact designs and efficient speed reduction.

Frictional and Mechanical Efficiency: Speed reducer gearboxes are designed to minimize friction and mechanical losses during operation. High-quality materials, precision manufacturing, and proper lubrication contribute to higher efficiency and reduced energy waste.

Adjustable Configurations: Speed reducer gearboxes can be configured to achieve different output speeds and torque levels based on the specific requirements of the application. This adjustability allows for customization and fine-tuning of performance.

Torque and Speed Ratings: Manufacturers provide torque and speed ratings for their speed reducer gearboxes, indicating the maximum torque load they can handle while maintaining specified speed reductions. These ratings guide the selection of an appropriate gearbox for a given application.

Overall, speed reducer gearboxes effectively manage variations in input and output speeds through the use of gear ratios, multi-stage reduction, specialized gear designs, and careful engineering. This enables them to adapt to the changing demands of mechanical systems while providing precise control over motion and torque.

China wholesaler Hb Series Helical Gearbox Heavy Industry Speed Reducer   differential gearbox	China wholesaler Hb Series Helical Gearbox Heavy Industry Speed Reducer   differential gearbox
editor by CX 2023-10-26