Product Description

>>> Product overview
This pump is suitable for liquids with lubricant property. The temperature is not higher than 70 °C.  If customers ask for pumps for 300 °C medium, please inform us in advance. In order to meet the requirements, the pump will be equipped with high temperature resistant materials. Medium viscosity is from 5×10-5to 1.5×10-3m2/s.
The pump is not suitable for delivering corrosive liquids, liquids containing hard particles or fibers, highly volatile or low boiling point liquids , such as gasoline, benzene etc.

>>> Product Model Meaning
KCB-300
K: Safety valve
CB: Gear Pump
300: Capacity(l/min)

>>> Main Performance Parameters

Model Diameter  Flow
(L/min)
  Head
  (MPa)
 Suction  Height
   (m)
  Eff.
 (%)
       Motor
 Power
 (kw)
  Model  Speed
KCB-18.3
(2CY-1.1/14.5-2)
  3/4  18.3   1.45     5  ≥85   1.5 Y90L-4  1400
KCB-33.3
(2CY-3.3/3.3-2)
  3/4  33.3   1.45     5  ≥85   2.2 Y100L1-4  1420
KCB-55
(2CY-5/3.3-2)
   1   55   0.33     5  ≥85   1.5  Y90L-4  1400
KCB-83.3
(2CY-5/3.3-2)
 11/2  83.3   0.33     5  ≥85   2.2 Y100L1-4  1420
KCB-133.3
(2CY-8/3.3-2)
   2 133.3   0.33     5  ≥85    4 Y112M-4  1450
KCB-200
(2CY-12/3.3-2)
   2  200   0.33     5  ≥85    4 Y112M-4  1450
KCB-200
(2CY-12/6-2)
   2  200    0.6     5  ≥85   5.5 Y132S-4  1450
KCB-200
(2CY-12/10-2)
   2  200    1.0     5  ≥85   7.5 Y132M-4  1450
KCB-300
(2CY-18/6-2)
   3  300   0.36     5  ≥85   5.5 Y132M2-6 960~1000
KCB-483.3
(2CY-29/3.6-2)
   3 483.3   0.36     5  ≥85   7.5 Y132M-4 1440~1500
KCB-483.3
(2CY-29/10-2)
   3 483.3   0.36     5  ≥85   11 Y160M-4   1450
KCB-633
(2CY-38/2.8-2)
   4  633   0.28     5  ≥85   11 Y160L-6 960~1000
KCB-960
(2CY-60/3-2)
   4  960   0.3     5  ≥85  18.5 Y180M-4   1500
KCB-2000
(2CY-120/3-2)
   6 2000   0.3     5  ≥85   30 Y250M-8    750
KCB-2500
(2CY-150/3-2)
   6 2500   0.3     5  ≥85   37 Y280S-8    750

>>> Product Features
1. Simple and compact structure, convenient to use and maintain
2. Good self priming performance, not filling liquid before starting pump
3. Not adding extra lubricants

>>> Product Image

>>> Company Information&Advantages
ZheJiang HangZhou provides booster pumps, submersible pumps, sewage pumps, fire fighting pumps, multistage vertical (horizontal) water pumps, diesel engine water pumps, water supply equipment and other pumps. Here we have modern production base of 60000 square meters, and 3000 square CHINAMFG of office, professional R&D institution and technology team, which makes us a world-class company. At present, we have 2 factories, 1 is in Xihu (West Lake) Dis. District, ZheJiang City; the other is in HangZhou City, ZheJiang Province. So welcome to visit our factory.

1. Punctual delivery time:
We put your order into our tight production schedule, keep our client informed about production process, ensure your punctual delivery time.
Shipping notice/ insurance to you as soon as your order is shipped.
2. After sales service:
After receiving the goods, We accept ur feedback at first time.
We could provide installation guide, if you have need, we could give you global service.
Our Sales are 24-hours online for ur request.
3. Professional sales:
We value every inquiry sent to us and ensure quick competitive offer.
We cooperate with customer to bid tenders, and  provide all necessory document.
We are a sales team, with all techinical support from engineer team.

ZheJiang  HangZhou Pump have many global clients, we offer professional service to them.  With the aim of”to establish a close strategic partnership and develop together with customers”.  we will work whole heartedly to improve our products and service. We will also pledge to work jointly with businese partners to elevate our cooperation to a higher level and share businese together with our customers. We are looking CHINAMFG to establishing to a higher level and share success together with our customers. We are looking CHINAMFG to establishing relationships with you and your esteemed company in the near future. 

>>> Contact Details

 

Mesh Form: Internal Engaged
Tooth Flank: Herringbone Tooth
Tooth Curve: Cycloid
Power: Electric
Type: Normal Line Gear Pump
Applications: Machinery Manufacturing
Customization:
Available

|

Customized Request

herringbone gear

What is the lifespan of a typical herringbone gear?

The lifespan of a typical herringbone gear can vary depending on various factors such as operating conditions, load requirements, material quality, maintenance practices, and the specific application. While it is challenging to provide an exact lifespan, here’s a detailed explanation of factors that can influence the lifespan of a herringbone gear:

  • Material Quality: The choice of material for herringbone gears greatly affects their lifespan. High-quality materials with excellent mechanical properties, such as alloy steels or through-hardened steels, are commonly used for herringbone gears. These materials offer good wear resistance, high strength, and improved durability, contributing to a longer gear lifespan.
  • Load and Torque: The magnitude and type of load applied to herringbone gears impact their lifespan. Higher loads and torque levels can accelerate wear and fatigue, shortening the gear lifespan. Properly selecting herringbone gears with an appropriate torque capacity for the specific application is essential to ensure optimal gear performance and longevity.
  • Operating Conditions: The operating conditions, such as temperature, speed, lubrication, and environmental factors, play a significant role in determining the gear lifespan. Adequate lubrication with the right type and amount of lubricant helps reduce friction, wear, and heat generation, extending the gear lifespan. Harsh operating conditions, such as high temperatures or corrosive environments, can accelerate wear and decrease the lifespan of herringbone gears.
  • Maintenance Practices: Regular maintenance and inspection procedures are crucial for maximizing the lifespan of herringbone gears. Scheduled maintenance activities, including lubricant replacement, gear tooth inspection, and alignment checks, help identify and address any potential issues before they can cause significant damage. Timely maintenance and prompt resolution of detected problems contribute to extending the gear lifespan.
  • System Design: The overall system design, including factors such as gear alignment, stiffness, and load distribution, can impact the gear lifespan. Proper gear alignment ensures even load distribution and reduces unnecessary stress on the gear teeth, enhancing their durability. A well-designed gearbox with adequate housing support, shafts, and bearings contributes to a longer gear lifespan by minimizing vibrations, deflection, and misalignment.

Considering the above factors, herringbone gears are known for their durability and ability to handle high loads. With proper material selection, suitable operating conditions, regular maintenance, and a well-designed system, herringbone gears can have a long lifespan. However, it is important to note that the lifespan of a herringbone gear is highly dependent on the specific application and operating conditions, and it may vary from one situation to another.

herringbone gear

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

Herringbone gears can have a significant impact on the overall efficiency of a mechanical system. Their unique design and characteristics contribute to improved efficiency in several ways. Here’s a detailed explanation of how herringbone gears can influence the efficiency of a system:

  • Reduced Friction: Herringbone gears are designed to minimize friction between the gear teeth during operation. The double helical arrangement of the teeth allows for opposing helix angles, which helps to cancel out the axial thrust generated by the gear meshing. This results in reduced sliding friction and less energy loss due to frictional forces, thereby improving overall efficiency.
  • Smooth Operation: The herringbone gear design enables smooth and precise gear engagement. The opposing helix angles of the teeth facilitate the gradual meshing and unmeshing of the gears, reducing impact and shock loads. The smooth operation minimizes vibrations and noise levels, eliminating energy losses associated with excessive vibrations and improving the overall efficiency of the system.
  • Higher Torque Capacity: Herringbone gears have a larger surface area of contact between the gear teeth compared to conventional spur gears. This increased contact area allows for higher torque transmission capabilities. By efficiently transmitting higher torque loads, herringbone gears help reduce the need for additional gear stages or larger gear sizes, resulting in a more compact and efficient system.
  • Better Load Distribution: The double helical arrangement of the teeth in herringbone gears helps distribute the load more evenly across the gear face. This improved load distribution minimizes localized stress concentrations and wear on the gear teeth, leading to enhanced durability and reduced energy losses due to gear wear and failure.
  • Efficient Power Transmission: Herringbone gears facilitate efficient power transmission by ensuring a high degree of gear meshing contact and proper alignment. The precise gear engagement reduces backlash and ensures optimal power transfer between the gears, resulting in higher transmission efficiency and minimal power losses within the system.
  • Reduced Heat Generation: Herringbone gears’ smooth operation and reduced friction contribute to lower heat generation during gear meshing. The reduced heat generation helps to minimize thermal losses within the system. Additionally, the improved load distribution and larger contact area of herringbone gears help dissipate heat more effectively, further enhancing the overall efficiency of the system.

It’s important to note that the overall efficiency of a system is influenced by various factors, including gear design, lubrication, alignment, and the specific application and operating conditions. While herringbone gears offer several advantages that contribute to improved efficiency, it’s crucial to consider the entire system design and optimize other components and parameters accordingly to achieve the highest overall efficiency.

herringbone gear

Can you explain the unique shape of herringbone gear teeth?

The unique shape of herringbone gear teeth is a defining characteristic of herringbone gears, also known as double helical gears. Here’s a detailed explanation of the unique shape of herringbone gear teeth:

Herringbone gears have a V-shaped or herringbone-shaped tooth profile, which is formed by two helical gear sections that are mirror images of each other. This tooth profile is distinct from the straight or helical tooth profiles found in other types of gears such as spur gears or helical gears.

When viewed from the end, the teeth of a herringbone gear resemble the letter “V”. This shape is created by the combination of two opposing helix angles, one on each side of the gear. The helix angle refers to the angle at which the teeth are inclined relative to the gear’s axis.

In a herringbone gear, the helix angle of one helical section is opposite in direction to the helix angle of the other helical section. This means that as the gear rotates, the teeth on one side lean in one direction, while the teeth on the other side lean in the opposite direction.

The opposing helix angles of the two gear sections in herringbone gears serve several important purposes:

  • Axial Thrust Elimination: One of the main advantages of the herringbone gear design is the elimination of axial thrust or end thrust forces. In helical gears, the helix angle of the teeth generates an axial force along the gear’s axis during rotation. However, in herringbone gears, the opposing helix angles cancel out these axial forces, resulting in a balanced gear that does not experience significant axial movement or require thrust bearings.
  • Smooth Engagement: The opposing helix angles of herringbone gears facilitate smooth and gradual tooth engagement. As the gear rotates, the teeth on one side gradually come into contact with the teeth on the other side. This gradual meshing reduces sliding friction, minimizes backlash, and ensures a continuous and smooth transfer of power between the gear sections.
  • Increased Load Capacity: The V-shaped tooth profile of herringbone gears provides increased tooth contact area compared to gears with straight or helical teeth. This increased contact area improves load distribution and allows herringbone gears to handle higher torque loads, resulting in an increased load-carrying capacity.

The unique shape of herringbone gear teeth requires precise manufacturing techniques to ensure proper meshing and alignment of the gear sections. The teeth must be accurately machined to achieve the correct helix angles and tooth profiles, ensuring smooth operation and efficient power transmission.

In summary, the unique shape of herringbone gear teeth, with their V-shaped or herringbone-shaped profile formed by opposing helix angles, enables axial thrust elimination, smooth engagement, and increased load capacity. These characteristics make herringbone gears well-suited for applications where efficient torque transmission, balanced operation, and high load-carrying capacity are essential.

China OEM KCB 2cy Double Rotary Gear Pump bevel spiral gearChina OEM KCB 2cy Double Rotary Gear Pump bevel spiral gear
editor by CX 2023-10-08

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Herring Bone Gear

As one of the herringbone gear manufacturers, suppliers, and exporters of mechanical products, We offer herringbone gear and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of herringbone gear.

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