China factory K Series Bevel-Helical 90 Degree Gear Motor spiral bevel gear

Product Description

 

Detailed Photos

Product Description

High modular design, biomimetic surface with owned intellectual property right.Adopt German worm hob to process the worm wheel.
With the special gear geometry, it gets high torque, efficiency and long life circle.It can achieve the direct combination for two
sets of gearbox.
Mounting mode: foot mounted, flange mounted, torque arm mounted.Output shaft: CHINAMFG shaft, hollow shaft.

 

Product Parameters

 

Technical data:

Housing material

Cast iron/Ductile iron

Housing hardness

HBS190-240

Gear material

20CrMnTi alloy steel

Surface hardness of gears

HRC58°~62 °

Gear core hardness

HRC33~40

Input / Output shaft material

42CrMo alloy steel

Input / Output shaft hardness

HRC25~30

Machining precision of gears

accurate grinding, 6~5 Grade

Lubricating oil

GB L-CKC220-460, Shell Omala220-460

Heat treatment

tempering, cementiting, quenching, etc.

Efficiency

94%~96% (depends on the transmission stage)

Noise (MAX)

60~68dB

Temp. rise (MAX)

40°C

Temp. rise (Oil)(MAX)

50°C

Vibration

≤20µm

Backlash

≤20Arcmin

Brand of bearings

China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, SKF, FAG, INA, NSK.

Brand of oil seal

NAK — ZheJiang or other brands requested

Our Advantages

 

Packaging & Shipping

 

 

Certifications

Company Profile

Xihu (West Lake) Dis.ng Transmission Equipment Co., Ltd. located HangZhou city, ZHangZhoug, as 1 professional manufacturer
and exporter of cycloidal pin wheel reducer,worm reducer, gear reducer, gearbox , AC motor and relative spare
parts, owns rich experience in this line for many years.

We are 1 direct factory, with advanced production equipment, the strong development team and producing
capacity to offer quality products for customers.

Our products widely served to various industries of Metallurgy, Chemicals, textile,medicine,wooden etc. Main
markets: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to ask us any questions, good offer always for you for long term business.

 

FAQ

Q: Are you trading company or manufacturer?
A: We are factory.
 

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock.
 

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

Q:How to choose a gearbox which meets your requirement?
A:You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

Q: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

Application: Motor, Machinery, Marine, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Coaxial
Gear Shape: Worm Gear
Step: Single-Step

bevel gear

What is the lifespan of a typical bevel gear?

The lifespan of a typical bevel gear can vary depending on several factors, including the quality of the gear, the operating conditions, maintenance practices, and the specific application. Here’s a detailed explanation:

Bevel gears, like any mechanical component, have a finite lifespan. The lifespan of a bevel gear is influenced by the following factors:

  • Quality of the Gear: The quality of the gear itself is a significant factor in determining its lifespan. Bevel gears manufactured using high-quality materials and precise manufacturing processes tend to have longer lifespans. Gears made from durable materials and manufactured with tight tolerances and accurate tooth profiles are more resistant to wear and fatigue, resulting in extended lifespans.
  • Operating Conditions: The operating conditions under which the bevel gear operates greatly affect its lifespan. Factors such as torque levels, rotational speed, temperature, and shock loads can impact the wear and fatigue characteristics of the gear. Gears subjected to high torque, high-speed rotation, excessive heat, or frequent heavy loads may experience accelerated wear and reduced lifespan compared to gears operating under milder conditions.
  • Maintenance Practices: Proper maintenance practices can significantly extend the lifespan of a bevel gear. Regular inspection, lubrication, and preventive maintenance help identify and address potential issues before they escalate. Adequate lubrication, cleanliness, and alignment contribute to reducing wear, minimizing the risk of damage, and prolonging the gear’s lifespan. Neglecting maintenance or improper maintenance practices can lead to premature wear, failure, and reduced lifespan.
  • Application Specifics: The specific application in which the bevel gear is used plays a vital role in determining its lifespan. Different applications impose varying loads, speeds, and operating conditions on the gear. Gears used in heavy-duty industrial applications, such as mining or heavy machinery, may experience more significant wear and have shorter lifespans compared to gears used in lighter-duty applications.
  • Load Distribution: Proper load distribution among the gear teeth is critical for ensuring longevity. Evenly distributed loads help prevent localized wear and ensure that no individual teeth are subjected to excessive stress. Factors such as gear design, tooth profile, and accurate alignment influence load distribution and can impact the gear’s lifespan.

Due to the complex interplay of these factors, it is challenging to provide a specific lifespan for a typical bevel gear. However, with proper design, high-quality manufacturing, suitable operating conditions, regular maintenance, and appropriate load distribution, bevel gears can have a lifespan ranging from several thousand to tens of thousands of operating hours.

It is important to note that monitoring the gear’s condition, including wear patterns, tooth damage, and any signs of failure, is crucial for ensuring safe and reliable operation. When signs of wear or damage become significant or when the gear no longer meets the required performance criteria, replacement or refurbishment should be considered to maintain the overall system’s integrity and performance.

bevel gear

What are the potential challenges in designing and manufacturing bevel gears?

Designing and manufacturing bevel gears can present several challenges due to their complex geometry, load requirements, and manufacturing processes. Here’s a detailed explanation of the potential challenges:

When it comes to designing and manufacturing bevel gears, the following challenges may arise:

  • Complex Geometry: Bevel gears have intricate geometry with non-parallel and intersecting tooth profiles. Designing bevel gears requires a thorough understanding of gear theory, tooth engagement, and load distribution. The complex geometry poses challenges in determining the optimal tooth profile, tooth contact pattern, and gear ratios for the specific application.
  • Load Analysis and Distribution: Determining the correct load analysis and distribution is crucial to ensure the gears can handle the anticipated forces and torques. Bevel gears often encounter varying loads, including radial loads, axial loads, and bending moments. Accurately predicting and distributing these loads across the gear teeth is essential for achieving proper gear strength, minimizing wear, and preventing premature failure.
  • Manufacturing Precision: Bevel gears require high manufacturing precision to ensure smooth operation, minimal backlash, and efficient power transmission. Achieving the required precision in gear manufacturing involves precise machining, grinding, and heat treatment processes. The complex geometry of bevel gears adds to the manufacturing complexity, necessitating specialized equipment and skilled operators.
  • Alignment Challenges: Proper alignment of bevel gears is critical for optimal performance and longevity. Achieving accurate alignment can be challenging due to the non-parallel shafts and intricate tooth profiles. Misalignment can lead to increased noise, vibration, and premature wear. Design considerations for alignment, as well as careful assembly and alignment procedures during manufacturing, are necessary to address this challenge.
  • Lubrication and Cooling: Bevel gears require effective lubrication to minimize friction, wear, and heat generation. Ensuring proper lubrication and cooling can be challenging due to the unique shape of bevel gears and the limited space available for lubricant circulation. Designing appropriate lubrication systems, selecting suitable lubricants, and considering heat dissipation methods are essential for maintaining optimal gear performance and preventing overheating.
  • Quality Control: Maintaining consistent quality during the manufacturing process is crucial for reliable bevel gears. Implementing robust quality control measures, including dimensional inspections, surface quality assessments, and gear testing, helps ensure that the manufactured gears meet the specified requirements. Consistency in gear quality is essential to minimize variations in performance and to ensure accurate gear meshing and load distribution.

Addressing these challenges requires a combination of engineering expertise, advanced manufacturing techniques, and quality control processes. Collaborating with experienced gear designers, employing state-of-the-art manufacturing technologies, and conducting thorough testing and analysis can help overcome these challenges and produce high-quality bevel gears that meet the performance and durability requirements of the intended application.

bevel gear

Can you explain the concept of straight and spiral bevel gears?

Straight and spiral bevel gears are two common types of bevel gears that have different tooth geometries and characteristics. Here’s a detailed explanation of the concept of straight and spiral bevel gears:

Straight Bevel Gears:

Straight bevel gears are a type of bevel gears with straight-cut teeth that are machined on the cone-shaped surface of the gears. The teeth of straight bevel gears are parallel to the gear axis and intersect at a 90-degree angle. These gears are often used when the intersecting shafts need to transmit rotational motion at a right angle.

Straight bevel gears have the following characteristics:

  • Tooth Engagement: In straight bevel gears, the tooth engagement occurs gradually as the gears rotate. This results in a relatively smooth and continuous transfer of power between the gears.
  • Noise and Vibration: Straight bevel gears can produce more noise and vibration compared to other types of bevel gears, particularly at higher speeds. The straight-cut teeth create impact and noise during the engagement process.
  • Efficiency: Straight bevel gears have relatively high efficiency due to their simple tooth geometry and direct engagement.
  • Applications: Straight bevel gears are commonly used in applications such as automotive differentials, hand drills, and other mechanical power transmission systems where a 90-degree change in direction is required.

Spiral Bevel Gears:

Spiral bevel gears are another type of bevel gears with curved teeth that are machined on the cone-shaped surface of the gears. The teeth of spiral bevel gears are cut in a spiral pattern, gradually curving along the gear surface. This spiral tooth geometry provides several advantages over straight bevel gears.

Spiral bevel gears have the following characteristics:

  • Tooth Engagement: Spiral bevel gears have a more gradual and smoother tooth engagement compared to straight bevel gears. The spiral-shaped teeth allow for progressive contact between the gears, resulting in reduced impact, noise, and vibration.
  • Noise and Vibration: Spiral bevel gears produce less noise and vibration compared to straight bevel gears due to their improved tooth engagement characteristics.
  • Load Capacity: Spiral bevel gears have higher load-carrying capacity compared to straight bevel gears due to the increased contact area between the gear teeth. This makes them suitable for applications that require higher torque transmission.
  • Efficiency: Spiral bevel gears have slightly lower efficiency compared to straight bevel gears due to the sliding action between the teeth during engagement. However, advancements in gear design and manufacturing techniques have improved their efficiency.
  • Applications: Spiral bevel gears are commonly used in applications where smooth and quiet operation is required, such as automotive rear axle drives, machine tools, and industrial machinery.

In summary, straight bevel gears have straight-cut teeth that intersect at a 90-degree angle, while spiral bevel gears have curved teeth that engage in a spiral pattern. Straight bevel gears are suitable for applications that require a right angle change in direction, while spiral bevel gears provide smoother engagement, reduced noise, and higher load-carrying capacity. The selection between straight and spiral bevel gears depends on the specific requirements of the application, including the desired level of noise, vibration, efficiency, and torque transmission.

China factory K Series Bevel-Helical 90 Degree Gear Motor spiral bevel gearChina factory K Series Bevel-Helical 90 Degree Gear Motor spiral bevel gear
editor by CX 2023-10-30