China factory Machining Stainless Steel Materials Worm Gear Shaft Forging Pinion Shaft gear box

Product Description

Product Description

Product Parameters

Item Spur Gear Axle Shaft
Material 4140,4340,40Cr,42Crmo,42Crmo4,20Cr,20CrMnti, 20Crmo,35Crmo
OEM NO Customize
Certification ISO/TS16949
Test Requirement Magnetic Powder Test, Hardness Test, Dimension Test
Color Paint , Natural Finish ,Machining All Around
Material Aluminum: 5000series(5052…)/6000series(6061…)/7000series(7075…)
Steel: Carbon Steel,Middle Steel,Steel Alloy,etc.
Stainess Steel: 303/304/316,etc.
Copper/Brass/Bronze/Red Copper,etc.
Size According to Customer’s drawing or samples
Process CNC machining,Turning,Milling,Stamping,Grinding,Welding,Wire Injection,Cutting,etc.
Tolerance ≥+/-0.03mm
Surface Treatment (Sandblast)&(Hard)&(Color)Anodizing,(Chrome,Nickel,Zinc…)Plating,Painting,Powder Coating,Polishing,Blackened,Hardened,Lasering,Engraving,etc.
File Formats ProE,SolidWorks,UG,CAD,PDF(IGS,X-T,STP,STL)
Sample Available
Packing Spline protect cover ,Wood box ,Waterproof membrane; Or per customers’ requirements.


Our Advantages

Why Choose US ???


 1. Equipment :

Our company boasts all necessary production equipment,
including Hydraulic press machines, Japanese CNC lathe (TAKISAWA), Korean gear hobbing machine (I SNT), gear shaping machine, machining center, CNC grinder, heat treatment line etc. 



2. Processing precision:

We are a professional gear & gear shafts manufacturer. Our gears are around 6-7 grade in mass production.

3. Company:

We have 90 employees, including 10 technical staffs. Covering an area of 20000 square meters.

4. Certification :

Oue company has passed ISO 14001 and TS16949

5.Sample service :

We provide free sample for confirmation and customer bears the freight charges

6.OEM service :

Having our own factory and professional technicians,we welcome OEM orders as well.We can design and produce the specific product you need according to your detail information


Cooperation Partner

Company Profile

Our Featured Products



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Material: Alloy Steel
Load: Drive Shaft
Axis Shape: Straight Shaft
Appearance Shape: Round
Rotation: Cw
Yield: 5, 000PCS / Month
US$ 0/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

gear pump

How do gear pumps contribute to reliable and continuous fluid transfer?

Gear pumps play a crucial role in achieving reliable and continuous fluid transfer in various applications. Here’s a detailed explanation:

1. Positive Displacement Operation:

One of the key factors contributing to the reliability of gear pumps is their positive displacement operation. Gear pumps trap and displace a fixed volume of fluid with each revolution of the gears. This ensures a consistent flow rate and accurate fluid delivery, making gear pumps reliable for applications that require precise and continuous transfer of fluids.

2. Minimal Slippage:

Gear pumps have tight tolerances between the gears and the pump housing, resulting in minimal slippage of fluid during operation. The close clearance between the gears and the housing prevents fluid from bypassing the gears, ensuring efficient transfer without significant leakage. This minimizes fluid loss and contributes to continuous and reliable fluid transfer.

3. Self-Priming Capability:

Many gear pumps have self-priming capability, allowing them to draw fluid into the pump without the need for external priming mechanisms. This feature is particularly beneficial when starting or restarting the pump after a period of inactivity or when dealing with fluids that may have air pockets or low inlet pressures. The self-priming capability helps ensure uninterrupted fluid transfer and enhances the reliability of the system.

4. Versatility:

Gear pumps are versatile and can handle a wide range of fluids, including liquids with varying viscosities. They can efficiently transfer low-viscosity fluids as well as more viscous substances. This versatility makes gear pumps suitable for diverse applications, such as chemical processing, lubrication systems, fuel transfer, and hydraulic systems, contributing to reliable and continuous fluid transfer in different industries.

5. Robust Construction:

Gear pumps are typically manufactured with robust materials such as cast iron, stainless steel, or bronze. These materials provide excellent durability and resistance to wear, corrosion, and high pressures. The sturdy construction of gear pumps enables them to withstand demanding operating conditions and ensures long-term reliability in fluid transfer applications.

6. Ease of Maintenance:

Gear pumps are relatively simple in design, consisting of few moving parts. This simplicity makes maintenance and repair procedures straightforward. Routine maintenance tasks such as lubrication, inspection, and seal replacement can be easily performed, minimizing downtime and contributing to continuous fluid transfer.

In summary, gear pumps contribute to reliable and continuous fluid transfer through their positive displacement operation, minimal slippage, self-priming capability, versatility, robust construction, and ease of maintenance. These features make gear pumps a dependable choice for a wide range of applications where consistent and uninterrupted fluid transfer is essential.

gear pump

How does a gear pump handle variations in flow rates and pressures?

A gear pump is capable of handling variations in flow rates and pressures due to its inherent design characteristics. Here’s a detailed explanation:

1. Positive Displacement Operation:

One of the key features of a gear pump is its positive displacement operation. Regardless of the flow rate or pressure, a gear pump displaces a fixed volume of fluid with each revolution of its gears. This means that the pump delivers a consistent flow rate, irrespective of changes in pressure or viscosity. The positive displacement action allows gear pumps to maintain a steady flow even when faced with variations in system demands.

2. Adjustable Speed:

Gear pumps can handle variations in flow rates by adjusting the rotational speed of the gears. By increasing or decreasing the pump’s speed, the volumetric output can be adjusted accordingly. This speed adjustment allows gear pumps to accommodate different flow rate requirements, providing flexibility in various applications. However, it’s important to note that excessive speed changes can affect the pump’s efficiency and may require additional considerations such as pressure limitations and heat generation.

3. Pressure Relief Mechanisms:

To handle variations in pressure, gear pumps can incorporate pressure relief mechanisms such as relief valves or bypass valves. These valves are designed to open and divert excess fluid when the system pressure exceeds a predetermined limit. By releasing the excess fluid, the pressure is regulated and maintained within the desired range. Pressure relief mechanisms protect the pump from potential damage caused by excessive pressure and ensure safe and efficient operation across a wide range of pressure conditions.

4. Material Selection and Design:

The choice of materials and the design of the pump can also impact its ability to handle variations in flow rates and pressures. Gear pumps can be constructed using different materials such as cast iron, stainless steel, or specialized alloys, depending on the application requirements. The selection of appropriate materials ensures the pump’s durability, resistance to corrosion, and compatibility with varying pressure and temperature conditions.

5. System Integration:

Gear pumps can be integrated into complex fluid systems that include additional components such as valves, regulators, and control devices. These components help regulate and control the flow rates and pressures within the system. By incorporating proper system integration and control mechanisms, gear pumps can effectively handle variations in flow rates and pressures, ensuring optimal performance and protection of the pump and the entire system.

6. Application Considerations:

It’s important to consider the specific requirements of the application when selecting a gear pump. Factors such as desired flow rates, pressure ranges, viscosity of the fluid, and system dynamics should be taken into account. Proper sizing, material selection, and integration with the overall system are crucial to ensure that the gear pump can handle variations in flow rates and pressures effectively.

In summary, gear pumps handle variations in flow rates and pressures by virtue of their positive displacement operation, adjustable speed, pressure relief mechanisms, appropriate material selection, and integration with the overall system. These features make gear pumps versatile and reliable in various industrial applications that require adaptability to changing flow and pressure conditions.

gear pump

How does a gear pump differ from other types of pumps?

A gear pump differs from other types of pumps in several ways. Here’s a detailed explanation of the differences:

1. Operating Principle:

A gear pump operates based on the principle of positive displacement. It uses rotating gears to trap and transfer fluid, delivering a fixed volume of fluid for each revolution of the gears. In contrast, other types of pumps, such as centrifugal pumps, operate based on dynamic principles, using impellers or rotors to impart velocity and convert it into pressure to move the fluid.

2. Flow Characteristics:

Gear pumps provide a relatively constant and uniform flow rate, thanks to their positive displacement nature. The flow rate is directly proportional to the speed of the gears, making it easier to control and measure. In contrast, centrifugal pumps typically exhibit a nonlinear flow rate that varies with the pump’s head (pressure) and system resistance.

3. Pressure Capability:

Gear pumps generally have lower pressure capabilities compared to centrifugal pumps. They are more suitable for applications with moderate pressure requirements. Centrifugal pumps, on the other hand, can handle higher pressures by efficiently converting velocity into pressure using the impeller.

4. Viscosity Range:

Gear pumps are well-suited for a wide range of fluid viscosities, making them versatile for handling both low-viscosity and higher-viscosity fluids. They can handle fluids with viscosities ranging from thin liquids to thicker oils. Centrifugal pumps are generally more effective at moving low-viscosity fluids efficiently.

5. Efficiency:

Gear pumps tend to have higher efficiencies at lower flow rates and higher pressures. They are more efficient in applications where there is a need for precise flow control. Centrifugal pumps, on the other hand, are more efficient at higher flow rates and lower pressures.

6. Size and Compactness:

Gear pumps are relatively compact and have a simple design, consisting of fewer components compared to centrifugal pumps. This makes them suitable for applications with space constraints or where portability is important. Centrifugal pumps tend to be larger and more complex due to the impeller design and the need for additional components like volutes or diffusers.

7. Noise and Vibration:

Gear pumps can generate more noise and vibration compared to centrifugal pumps. The meshing action of the gears can produce sound and mechanical vibrations. Centrifugal pumps, especially those with well-balanced impellers, generally operate with less noise and vibration.

8. Applications:

Due to their positive displacement nature and ability to handle a wide range of viscosities, gear pumps are commonly used in applications such as hydraulic systems, lubrication systems, fuel transfer, chemical processing, and metering applications. Centrifugal pumps find extensive use in applications like water supply, irrigation, HVAC systems, wastewater treatment, and industrial processes.

It’s important to consider these differences when selecting a pump for a specific application, as each pump type has its strengths and limitations. Factors such as desired flow rate, pressure requirements, fluid characteristics, and system design considerations play a significant role in determining the most suitable pump type.

China factory Machining Stainless Steel Materials Worm Gear Shaft Forging Pinion Shaft gear boxChina factory Machining Stainless Steel Materials Worm Gear Shaft Forging Pinion Shaft gear box
editor by CX 2024-04-17

gear pump

As one of leading gear pump manufacturers, suppliers and exporters of products, We offer gear pump and many other products.

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