China best Kf Series Precision Gear with Fine Output Shaft High Quality High Strength Helical Gear Reducer with Hot selling

Product Description

Product Description

Boqiang Drive K Series Helical -Bevel Geared Motor

Features:
High efficiency: 92%-93%;
-Vertical output, compact structure, hard tooth surface , large output torque, low noise and long service life.
-High precision: the gear is made of high-quality alloy steel forging, carbonitriding and hardening treatment, grinding process to ensure high precision and stable running.
-High interchangeability: highly modular, serial design, strong versatility and interchangeability.

Technical parameters

Ratio 5.36-197.37
Input power 0.12-200KW
Output torque 10-62800N.m
Output speed 7-415rpm
Mounting type Foot mounted, foot mounted with CHINAMFG shaft, output flange mounted, hollow shaft mounted, B5 flange mounted with hollow shaft, foot mounted with hollow shaft, B14 flange mounted with hollow shaft, foot mounted with splined hole, foot mounted with shrink disk, hollow shaft mounted with anti-torque arm.
Input Method Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor
Brake Release HF-manual release(lock in the brake release position), HR-manual release(autom-atic braking position)
Thermistor TF(Thermistor protection PTC thermisto)
TH(Thermistor protection Bimetal swotc
Ratio 5.36-197.37
Input power 0.12-200KW
Output torque 10-62800N.m
Output speed 7-415rpm
Mounting type Foot mounted, foot mounted with CHINAMFG shaft, output flange mounted, hollow shaft mounted, B5 flange mounted with hollow shaft, foot mounted with hollow shaft, B14 flange mounted with hollow shaft, foot mounted with splined hole, foot mounted with shrink disk, hollow shaft mounted with anti-torque arm.
Input Method Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor
Brake Release HF-manual release(lock in the brake release position), HR-manual release(autom-atic braking position)
Thermistor TF(Thermistor protection PTC thermisto)
TH(Thermistor protection Bimetal swotc

Specification
 

Model

Shaft Dia.

mm

Horizontal Center Height mm

External Flange Dia.

 mm

Power
(kw)

Ratio

(i)

Nominal Torque

(Nm)

CHINAMFG Shaft

Hollow Shaft

K/KF/KA/KAF37

ф25

ф30

100

160

0.12-2.2

8-102

180

K/KF/KA/KAF47

ф30

ф35

112

200

0.18-4

8-126

380

K/KF/KA/KAF57

ф35

ф40

132

250

0.25-5.5

8-143

580

K/KF/KA/KAF67

ф40

ф40

140

250

0.37-7.5

8-143

680

K/KF/KA/KAF77

ф50

ф50

180

300

0.75-11

8-175

1300

K/KF/KA/KAF87

ф60

ф60

212

350

1.5-18.5

8-197

2500

K/KF/KA/KAF97

ф70

ф70

265

450

2.2-30

8-197

3900

K/KF/KA/KAF107

ф90

ф90

315

450

4-45

8-197

6800

K/KF/KA/KAF127

ф110

ф100

375

550

7.5-90

8-197

11200

K/KF/KA/KAF157

ф120

ф120

450

660

11-110

8-198

11700

K/KF/KA/KAF167

ф160

ф135

500

15-160

8-186

32000

K/KF/KA/KAF187

ф190

ф155

600

18.5-200

8-186

50000

 

K series gear units are available in the following designs:

1.K.. Y.. Foot shaft extension mounted helical – spiral bevel gear reducer:
 

 

 

 

2.KAB or KW.. Y.. Foot hollow shaft mounted helical – spiral bevel gear reducer:

 

3.KA.. Y.. Hollow shaft mounted helical – spiral bevel gear reducer

4.KAZ.. Y.. Small flange hollow shaft mounted helical – spiral bevel gear reducer

5.KF.. Y.. Flange shaft extension mounted helical bevel gear reducer

6.KAF.. Y.. Flange hollow shaft mounted helical – spiral bevel gear reducer

7.KAT.. Y.. Helical bevel gear reducer mounted with hollow shaft with anti-swivel arm

 

8.K(KF  KA  KAF  KAZ)K.. AD.. Shaft input helical bevel gear reducer

9.KA(KF  K  KAF  KAZ).. R.. Y.. Combined helical bevel gear reducer

10.KA(KF  K  KAF  KAZ).. R.. Y.. Shaft input for combined helical – spiral bevel gear reduction

11.K(KF  KA  KAF  KAZ)K.. P/SF.. Coupling flange input type helical bevel gear reducer

Mounting poKition:

PoKition of the motor thermal box:
Input power rating and permissible torque:

Gear unit weight:

 

Photos of the factory area

ZHangZhoug Boqiang Transmission Co., Ltd. was established in 2002 and is a high-tech enterprise that integrates design, development, manufacturing, and operation, producing and selling reduction motors and power transmission equipment. The company is located in Oubei Town, HangZhoua County, at the forefront of national reform and opening up, known as the “Little Xihu (West Lake) Dis.” of HangZhou. Close to National Highway 104 and east to HangZhou International Airport and Xihu (West Lake) Dis. International Container Terminal; South to HangZhou Railway Station and Passenger Transport Center; There are also many national tourist attractions such as Yandang Mountain and Xihu (West Lake) Dis. River. With convenient transportation and unique geographical location, it is highly welcomed by domestic and foreign users.
Our company produces 12 series of helical gear reducers for various purposes, including shaft mounted helical gear reducers, helical bevel gear reducers, helical worm gear reducers, spiral bevel gear steering boxes, worm gear reducers, continuously variable transmissions, spiral elevators, and large gearboxes. The power coverage is 0.12-2000kw, with a reduction ratio of 1.25-30000. Various combinations, deformations, and specialized products can meet most industrial requirements. The R, K, F, and S series reducers adopt the modular design principle of unit structure, greatly reducing the types of components and inventory, and greatly shortening the delivery cycle. The components have strong universality and low maintenance costs.

Boqiang has a leading position in China in terms of technology level and product market share. The products are widely used in various fields such as metallurgy, light industry, packaging, medicine, petroleum, chemical industry, lifting and transportation, three-dimensional parking, printing and dyeing, elevators, wind power, etc. Boqiang Company has excellent performance. The transmission technology experts from the headquarters and numerous application engineers and after-sales service technicians from various regional offices provide you with rapid and comprehensive technical consultation and comprehensive services.

Looking back at the past and looking CHINAMFG to the future, Boqiang has always been on the way forward, constantly improving and surpassing itself with high-quality products and comprehensive services, and winning the favor of the market and customers. We are willing to work together with people of insight from all walks of life to create a more brilliant tomorrow.
Processing equipment

Testing equipment and quality control
Quality:Insist on Improvement,Strive for CHINAMFG With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission  
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value

Packaging And Transportation

FAQ
Q1: I want to buy your products, how can I pay?
A: You can pay via T/T(30%+70%), L/C ,D/P etc. 

Q2: How can you guarantee the quality?
A: One year’s warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection. 

Q3: How we select models and specifications?
A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application…as much data as possible. If you can supply some pictures or drawings,it is nice. 

Q4: If we don’t find what we want on your website, what should we do?
A: We offer 3 options:
1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our
standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on. 

Q5: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Q6: How about your product delivery time?
A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors.

 

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Application: Motor, Machinery
Layout: Coaxial
Hardness: Hardened Tooth Surface
Customization:
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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

helical gear

How does a helical gear impact the overall efficiency of a system?

A helical gear has a significant impact on the overall efficiency of a system. Due to their unique design and characteristics, helical gears offer several advantages that contribute to improved efficiency. Here’s a detailed explanation of how a helical gear impacts the overall efficiency of a system:

  1. Power Transmission: Helical gears provide efficient power transmission due to their inclined tooth design. The helical teeth engage gradually, resulting in a smooth transfer of torque between the gears. This gradual engagement reduces impact and shock loads, minimizing energy losses and improving overall efficiency.
  2. Load Distribution: The helical tooth profile allows for increased contact area between the gear teeth compared to other gear types. This larger contact area results in improved load distribution across the gear teeth. By distributing the load more evenly, helical gears can handle higher loads without excessive wear and reduce the risk of tooth failure, leading to increased efficiency and reliability.
  3. Noise and Vibration Reduction: Helical gears operate with less noise and vibration compared to other gear types, such as spur gears. The inclined tooth profile of helical gears helps to minimize gear meshing noise and vibration by distributing the forces along the gear teeth over a larger contact area. Reduced noise and vibration levels contribute to a quieter and smoother operation, indicating lower energy losses and improved overall efficiency.
  4. Higher Gear Ratios: Helical gears can achieve higher gear ratios compared to other gear types. This capability allows for more precise speed control and torque conversion in various applications. By providing the desired gear ratios, helical gears enable the system to operate at optimal speeds and torque levels, maximizing efficiency and performance.
  5. Efficient Lubrication: The helical gear design allows for effective lubrication of the gear teeth. The continuous sliding action between the helical teeth assists in distributing the lubricant evenly along the gear contact surfaces. Proper lubrication reduces friction and wear, minimizing energy losses and enhancing the overall efficiency of the gear system.
  6. Compact Design: Helical gears have a compact design that allows for efficient use of space within a system. The inclined tooth profile enables multiple gear sets to be positioned on parallel or intersecting shafts, facilitating compact gear arrangements. This compactness reduces the overall size and weight of the system while maintaining high efficiency.
  7. High Precision: Helical gears offer excellent positional accuracy and repeatability. The helical tooth profile ensures precise and consistent gear meshing, resulting in accurate motion control and minimal backlash. This precision contributes to efficient operation, especially in applications requiring precise positioning and synchronization of components.
  8. Wear Resistance: Helical gears exhibit good wear resistance due to the larger contact area and gradual tooth engagement. The inclined tooth profile helps distribute the load, reducing localized wear and extending the gear’s service life. Reduced wear translates to sustained gear efficiency over time, minimizing the need for frequent replacements and maintenance.

Overall, the design characteristics of helical gears, including smooth power transmission, load distribution, noise reduction, higher gear ratios, efficient lubrication, compactness, precision, and wear resistance, collectively contribute to improved system efficiency. By choosing helical gears appropriately for a given application, engineers can enhance the overall performance, reliability, and energy efficiency of the system.

helical gear

How do you address thermal expansion and contraction in a helical gear system?

Addressing thermal expansion and contraction in a helical gear system is crucial to ensure proper operation and prevent potential issues such as misalignment, increased backlash, or premature wear. Thermal expansion and contraction occur when temperature changes cause the gear components to expand or contract, affecting the gear meshing and overall performance. Here is a detailed explanation of how to address thermal expansion and contraction in a helical gear system:

  1. Material Selection: Choose materials for the gear components that have a similar coefficient of thermal expansion. Matching the coefficients of thermal expansion helps minimize the differential expansion and contraction between the gears, reducing the potential for misalignment or excessive clearance. Consult material suppliers or engineering references for guidance on selecting compatible materials.
  2. Design Considerations: Incorporate design features that account for thermal expansion and contraction. For example, provide adequate clearance between gear components to accommodate expansion without causing interference. Use proper tolerances and fits to allow for thermal variations. Consider incorporating expansion joints or flexible couplings in the system to absorb thermal movements and prevent stress concentrations.
  3. Operating Temperature Range: Determine the expected operating temperature range for the helical gear system. Consider the ambient temperature as well as any temperature fluctuations that may occur during operation. Understanding the temperature range helps in selecting appropriate materials and designing for thermal expansion and contraction effects.
  4. Lubrication: Proper lubrication is essential to address thermal expansion and contraction. Select lubricants that have good thermal stability and can maintain their viscosity within the expected temperature range. Lubricants with high thermal stability can help minimize the risk of viscosity changes, which can affect gear meshing characteristics and increase friction and wear.
  5. Preheating or Precooling: In some cases, preheating or precooling the gear components before assembly can help minimize the effects of thermal expansion and contraction. By bringing the components to a uniform temperature, the differential expansion can be reduced, resulting in better gear meshing alignment. However, this approach may not be suitable for all applications and should be evaluated based on the specific system requirements.
  6. Thermal Analysis and Simulation: Conduct thermal analysis and simulation of the helical gear system to evaluate the effects of temperature changes on gear performance. Finite element analysis (FEA) or specialized gear design software can be used to model the gear system and simulate thermal expansion and contraction. This analysis can provide insights into potential issues and guide design modifications or material selection.
  7. Monitoring and Maintenance: Regularly monitor the helical gear system for any signs of abnormal wear, noise, or misalignment. Implement a maintenance program that includes periodic inspections, lubricant analysis, and gear condition monitoring. Detecting early signs of thermal expansion- or contraction-related issues allows for timely corrective actions to be taken, minimizing the risk of equipment failure or reduced performance.

By considering these measures, it is possible to address thermal expansion and contraction in a helical gear system and ensure its reliable and efficient operation. Proper material selection, design considerations, lubrication, and monitoring contribute to minimizing the potential adverse effects of temperature variations on gear performance and extending the system’s lifespan.

helical gear

What industries commonly use helical gears?

Helical gears are widely utilized in various industries due to their versatility and advantageous characteristics. Here’s a detailed explanation of the industries that commonly use helical gears:

  • Automotive Industry: Helical gears find extensive application in the automotive industry. They are used in transmissions, differentials, and powertrain systems to transmit power efficiently and achieve the desired gear ratios. Helical gears help ensure smooth and reliable operation while reducing noise and vibration in vehicles.
  • Industrial Machinery: Helical gears are commonly employed in industrial machinery across multiple sectors. They are used in gearboxes, conveyors, pumps, compressors, and various other mechanical systems that require power transmission between parallel shafts. Helical gears provide reliable and efficient motion control in industrial applications.
  • Aerospace and Defense: The aerospace and defense industries utilize helical gears in various applications. They are found in aircraft engines, helicopter transmissions, missiles, radar systems, and other critical components. Helical gears play a crucial role in ensuring reliable and precise motion control in aerospace and defense systems.
  • Power Generation: Helical gears are utilized in power generation systems such as turbines, generators, and wind turbines. They transmit rotational motion from the turbine or generator shaft to the electrical generator, contributing to efficient electricity production. Helical gears are integral to power generation in hydroelectric, thermal, and renewable energy plants.
  • Robotics and Automation: Helical gears are extensively used in robotics and automation systems. They provide accurate motion control and power transmission in robotic arms, CNC machines, automated assembly lines, and other robotic applications. Helical gears enable precise positioning and efficient operation of robotic systems.
  • Machine Tools: The machine tool industry relies on helical gears for accurate motion control and power transmission. Helical gears are used in milling machines, lathes, gear hobbing machines, and other machine tools. They enable precise cutting, shaping, and machining operations in the production of various components.
  • Mining and Construction: Helical gears are well-suited for heavy-duty applications in the mining and construction industries. They are used in mining equipment, excavators, bulldozers, and other machinery that operates under high loads and requires reliable power transmission. Helical gears help handle the demanding conditions of mining and construction operations.
  • Oil and Gas: The oil and gas industry utilizes helical gears in various equipment and machinery. They are found in pumps, compressors, drilling rigs, and offshore platforms. Helical gears enable efficient power transmission and motion control in oil and gas exploration, extraction, and refining processes.
  • Printing and Packaging: Helical gears are employed in the printing and packaging industry. They are used in printing presses, packaging machines, and other equipment that requires precise motion control and reliable power transmission. Helical gears contribute to accurate registration and high-quality printing and packaging operations.
  • Textile Industry: In the textile industry, helical gears are utilized in various machinery and equipment. They are found in spinning machines, weaving machines, and textile processing equipment. Helical gears enable precise motion control and power transmission, contributing to efficient textile production.

These are just a few examples of the industries that commonly use helical gears. Helical gears’ versatility, load-carrying capacity, and smooth operation make them suitable for numerous applications across different sectors where reliable power transmission and precise motion control are essential.

China best Kf Series Precision Gear with Fine Output Shaft High Quality High Strength Helical Gear Reducer with Hot sellingChina best Kf Series Precision Gear with Fine Output Shaft High Quality High Strength Helical Gear Reducer with Hot selling
editor by CX 2024-04-10