Product Description
OEM ODM Stainless Steel Brass Aluminum Worm Wheel Gear
Synchronous belt pulley transmission is composed of an annular belt with equidistant teeth on the inner peripheral surface and a belt pulley with corresponding teeth. During operation, the belt teeth mesh with the tooth slots of the belt pulley to transmit motion and power. It is a new belt transmission that integrates the respective advantages of belt transmission, chain transmission and gear transmission.
Product Parameters
| Product name | Spur Gear & Helical Gear |
| Customized service | OEM, drawings or samples customize |
| Materials Available | Stainless Steel, Carbon Steel, S45C, SCM415, 20CrMoTi, 40Cr, Brass, SUS303/304, Bronze, Iron, Aluminum Alloy etc |
| Heat Treatment | Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding…… |
| Surface Treatment | Conditioning, Carburizing and Quenching,Tempering ,High frequency quenching, Tempering, Blackening, QPQ, Cr-plating, Zn-plating, Ni-plating, Electroplate, Passivation, Picking, Plolishing, Lon-plating, Chemical vapor deposition(CVD), Physical vapour deposition(PVD)… |
| BORE | Finished bore, Pilot Bore, Special request |
| Processing Method | Molding, Shaving, Hobbing, Drilling, Tapping, Reaming, Manual Chamfering, Grinding etc |
| Pressure Angle | 20 Degree |
| Hardness | 55- 60HRC |
| Size | Customer Drawings & ISO standard |
| Package | Wooden Case/Container and pallet, or made-to-order |
| Certificate | ISO9001:2008 |
| Machining Process | Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding and Gear Lapping |
| Applications | Printing Equipment Industry, Laser Equipment Industry, Automated Assemblyline Industry, Woodening Industry, Packaging Equipment Industry, Logistics storage Machinery Industry, Robot Industry, Machine Tool Equipment Industry |
Company Profile
Hefa Group was born in HangZhou in 1998 and has more than 23 years of experience in the gear manufacturing field. It has established HangZhou CHINAMFG Gear Machinery Co., Ltd., HangZhou CHINAMFG Planetary Transmission Equipment Co., Ltd., CHINAMFG Industrial Transmission Technology (ZheJiang ) Co., Ltd., CHINAMFG Industrial Technology(HangZhou) Co.,Ltd and CHINAMFG gear college.The 4 companies have more than 40000 square CHINAMFG of standard plants, more than 600 professional technicians, more than 500 sets of precision equipment and 19 related technical patents, forming a complete production, sales and service integration system. The company passed ISO9000 quality management system certification in 2009. Its main products include timing belt pulley series, precision gear grinding series, planetary reducer series, and its own brands iHF and NEWGEAR.
FAQ
| Main markets | North America, South America,Eastern Europe,Weat Europe,North Europe.South Europe,Asia |
| How to order | *You send us drawing or sample |
| *We carry through project assessment | |
| *We give you our design for your confirmation | |
| *We make the sample and send it to you after you confirmed our design | |
| *You confirm the sample then place an order and pay us 30% deposit | |
| *We start producing | |
| *When the goods is done,you pay us the balance after you confirmed pictures or tracking numbers | |
| *Trade is done,thank you! |
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| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Textile Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| Manufacturing Method: | Rolling Gear |
| Toothed Portion Shape: | Bevel Wheel |
| Material: | Cast Steel |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the considerations for maintaining and servicing gear pumps?
Maintaining and servicing gear pumps is essential to ensure their optimal performance, longevity, and reliability. Here are some considerations for maintaining and servicing gear pumps:
1. Regular Inspection:
Perform regular visual inspections of the gear pump to check for any signs of wear, leakage, or damage. Inspect the gears, shafts, housing, seals, and any other components for wear, corrosion, or misalignment. Detecting and addressing potential issues early can prevent further damage and costly repairs.
2. Lubrication:
Proper lubrication is crucial for gear pumps to minimize friction, wear, and overheating. Follow the manufacturer’s recommendations for lubrication frequency and use the recommended lubricants. Ensure that lubricant levels are maintained within the specified range and monitor for any contamination or degradation of the lubricant.
3. Filter Maintenance:
Keep the system’s filters clean and replace them as required. Filters help prevent debris, contaminants, and particles from entering the gear pump and causing damage. Regularly inspect and clean or replace the filters to maintain proper fluid flow and prevent clogging.
4. Alignment and Clearance Adjustment:
Check and adjust the gear pump’s alignment and clearances as needed. Misalignment or excessive clearances can cause increased wear, reduced efficiency, and potential pump failure. Follow the manufacturer’s guidelines for proper alignment procedures and clearance adjustments.
5. Seal Replacement:
Monitor the condition of seals and gaskets, such as shaft seals and O-rings. Replace any worn or damaged seals to prevent fluid leaks and maintain proper pump performance. Use compatible seals that are designed for the specific fluid and operating conditions.
6. Scheduled Maintenance:
Adhere to a regular maintenance schedule for the gear pump. This may include activities such as cleaning, lubrication, inspection, and component replacement. Follow the manufacturer’s recommendations for the frequency and type of maintenance tasks required for the specific gear pump model.
7. Training and Expertise:
Ensure that personnel responsible for maintaining and servicing gear pumps have the necessary training and expertise. They should be familiar with the pump’s operation, maintenance procedures, and safety precautions. Proper training can help identify potential issues, perform maintenance tasks correctly, and ensure the safety of personnel and equipment.
8. Documentation and Record-Keeping:
Maintain accurate records of maintenance activities, including dates, tasks performed, and any observations or findings. This documentation can help track the pump’s maintenance history, identify recurring issues, and plan future maintenance tasks.
9. Manufacturer Guidelines:
Always refer to the manufacturer’s guidelines, instructions, and specifications for maintaining and servicing the gear pump. The manufacturer’s recommendations are specific to the pump model and can provide valuable guidance on maintenance intervals, required procedures, and any unique considerations.
In summary, maintaining and servicing gear pumps involves regular inspection, proper lubrication, filter maintenance, alignment and clearance adjustment, seal replacement, scheduled maintenance, training and expertise, documentation, and adherence to manufacturer guidelines. By following these considerations, gear pumps can remain in optimal condition, perform reliably, and have an extended service life.
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.
What is a gear pump and how does it work in fluid systems?
A gear pump is a type of positive displacement pump used to transfer fluids in various industrial applications. Here’s a detailed explanation of how it works in fluid systems:
A gear pump consists of two or more meshing gears, typically cylindrical or helical in shape, enclosed within a housing or casing. The gears rotate within the casing, creating chambers between the gear teeth and the casing walls.
As the gears rotate, fluid enters the pump through an inlet port. The rotating gears trap the fluid in the gear teeth chambers and carry it around the outer periphery of the gears. The fluid is then forced through the outlet port as the gear teeth mesh and reduce the volume of the chambers.
The operation of a gear pump can be summarized in the following steps:
1. Inlet Phase:
Fluid enters the pump through the inlet port as the gears rotate. The expanding chambers between the gear teeth and the casing create a low-pressure zone, drawing fluid into the pump.
2. Meshing Phase:
As the gears continue to rotate, the gear teeth mesh, reducing the volume of the chambers. This meshing action traps the fluid within the gear teeth chambers.
3. Discharge Phase:
As the meshed gear teeth move towards the outlet port, the volume of the chambers decreases, causing the trapped fluid to be pushed towards the outlet. The increasing pressure forces the fluid out of the pump through the outlet port.
The continuous rotation of the gears creates a steady flow of fluid, making gear pumps suitable for applications requiring a constant and uniform flow rate.
There are a few key characteristics and considerations related to gear pumps:
1. Positive Displacement:
Gear pumps are positive displacement pumps, meaning they deliver a fixed volume of fluid for each revolution of the gears. This makes them suitable for applications that require precise flow control.
2. Viscosity Range:
Gear pumps can handle a wide range of fluid viscosities, from low-viscosity liquids to thicker fluids and even some non-lubricating liquids. However, the efficiency of gear pumps may decrease with higher viscosity fluids.
3. Pressure Limitations:
The pressure capabilities of gear pumps are typically limited compared to other pump types. High-pressure applications may require additional components, such as pressure relief valves, to protect the pump and the system.
4. Noise and Vibration:
Gear pumps can generate significant noise and vibration due to the meshing action of the gears. Proper design, material selection, and installation techniques can help mitigate these effects.
5. Material Compatibility:
The materials used for the gears, casing, and seals of the pump should be compatible with the fluid being pumped. This ensures proper functionality, longevity, and resistance to corrosion or chemical reactions.
Overall, gear pumps are widely used in fluid systems for applications such as hydraulic systems, lubrication systems, fuel transfer, chemical processing, and many others. Their simplicity, reliability, and ability to handle a range of fluid viscosities make them a popular choice in various industrial sectors.
editor by CX 2024-04-17