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

What lubrication is required for herringbone gears?

Proper lubrication is essential for the smooth and efficient operation of herringbone gears. The lubricant used in herringbone gear systems plays a crucial role in reducing friction, minimizing wear, dissipating heat, and protecting the gear surfaces. Here’s a detailed explanation of the lubrication requirements for herringbone gears:

  • Lubricant Selection: When selecting a lubricant for herringbone gears, it is important to consider factors such as load, speed, operating temperature, and environmental conditions. The lubricant should have suitable viscosity and additives to provide adequate film thickness and maintain lubrication under the anticipated operating conditions. Commonly used lubricants for herringbone gears include mineral oils, synthetic oils, and specialty lubricants formulated for gear applications.
  • Viscosity: The viscosity of the lubricant is crucial for ensuring proper lubrication and film formation between the gear teeth. The lubricant should have sufficient viscosity to create an effective lubricating film that separates the gear surfaces and reduces friction. It should be able to maintain this film under the operating conditions, ensuring smooth gear engagement and minimizing wear. The appropriate viscosity grade is typically specified by the gear system manufacturer based on the gear design, load, and speed.
  • Lubricant Application: The lubricant should be applied to the gear system in the appropriate manner to ensure uniform coverage and distribution. In most cases, herringbone gears are lubricated by immersion or splash lubrication, where the gears partially or fully submerge in the lubricant or have the lubricant splashed onto their surfaces. The lubricant should be directed towards the gear meshing area to ensure proper lubrication of the gear teeth and contact surfaces.
  • Lubricant Maintenance: Regular lubricant maintenance is essential to ensure the continued performance and longevity of herringbone gears. This includes monitoring the lubricant condition, checking for contamination, and replenishing or replacing the lubricant as necessary. Over time, the lubricant may degrade, become contaminated with particles or moisture, or lose its effectiveness. Regular inspections and lubricant analysis can help identify any issues and determine the appropriate maintenance intervals for lubricant replacement or replenishment.
  • Sealing and Contamination Prevention: Proper sealing of the gear housing or enclosure is important to prevent the ingress of contaminants, such as dust, dirt, or moisture, into the gear system. Contaminants can degrade the lubricant and lead to increased wear and damage to the gear surfaces. Seals, gaskets, or other appropriate sealing mechanisms should be employed to minimize the risk of contamination and maintain the integrity of the lubricant.

It is important to consult the gear system manufacturer’s recommendations and specifications regarding lubrication requirements. The manufacturer may provide specific guidelines regarding lubricant type, viscosity, application methods, and maintenance procedures based on the gear design and intended operating conditions. Adhering to these guidelines will help ensure optimal lubrication and maximize the performance and service life of herringbone gears.

herringbone gear

What is a herringbone gear and how does it work?

A herringbone gear, also known as a double helical gear, is a specialized type of gear with a unique tooth design. Here’s a detailed explanation of what a herringbone gear is and how it works:

A herringbone gear consists of two helical gear sections that are mirror images of each other and are joined together to form a V-shaped or herringbone-shaped tooth profile. Unlike conventional helical gears, which have a single helix angle and a continuous spiral tooth profile, herringbone gears have two opposing helix angles, resulting in a “V” shape when viewed from the end.

The primary advantage of the herringbone gear design is its ability to eliminate axial thrust or end thrust forces that are generated in helical gears. In a conventional helical gear, the helix angle of the teeth causes an axial force along the gear’s axis during rotation. This axial force can create significant thrust loads that need to be counteracted using thrust bearings or other mechanisms.

By using the double helix design of herringbone gears, the opposing helix angles cancel out the axial forces generated by each helical section. This cancellation of axial forces eliminates the need for thrust bearings and allows herringbone gears to transmit torque smoothly without axial movement or thrust loads.

When a herringbone gear is in operation, the angled teeth of the two helical sections engage with each other, similar to how helical gears mesh. The contact between the teeth occurs gradually, starting from one end of the gear and progressing towards the other end. The overlapping or interlocking tooth profiles ensure a continuous and smooth transfer of power.

The herringbone gear design offers several advantages:

  • Axial Load Balancing: The opposing helix angles in herringbone gears balance out the axial forces, eliminating the need for thrust bearings and reducing wear on the gear teeth.
  • Increased Load Capacity: The V-shaped tooth profile of herringbone gears provides increased tooth contact area compared to a single helix gear. This leads to improved load distribution and higher load-carrying capacity.
  • Reduced Vibration and Noise: The double helix design of herringbone gears helps cancel out vibrations and reduce noise during operation. The opposing helix angles minimize tooth deflection and ensure smoother engagement between the gear teeth.
  • Bidirectional Power Transmission: Herringbone gears can transmit power in both directions due to their symmetrical tooth profiles. This makes them suitable for applications where reversing or bidirectional power transmission is required.
  • High Efficiency: The continuous and gradual engagement of the herringbone gear teeth results in improved efficiency by reducing sliding friction and minimizing backlash.

Herringbone gears are commonly used in various industrial applications, including power transmission systems, heavy machinery, oil and gas equipment, marine propulsion systems, and high-speed gearboxes. Their unique design and benefits make them well-suited for applications that require high torque transmission, smooth operation, and minimal axial thrust.

China factory KCB 2cy Double Rotary Gear Pump cycle gearChina factory KCB 2cy Double Rotary Gear Pump cycle gear
editor by CX 2023-10-07

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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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