Product Description
High Precision High Transmission Power Straight Teethed Worm Gear
Gear transmission relies on the thrust between gear teeth to transmit motion and power, also known as meshing transmission. With this gradual meshing, helical gears operate much more smoothly and quietly than spur gears. Therefore, almost all automobile transmissions use helical gears.Since the teeth on the helical gear present a certain angle, the gears will be under a certain amount of stress when they mesh. Equipment using helical gears is equipped with bearings to withstand this pressure.
Product Description
| Product name | Worm Gear and Worm Wheel & Plastic Gear & Nylon Gear |
| Materials Available | Stainless Steel, Carbon Steel, Brass, Bronze, Iron, Aluminum Alloy,Copper,Plastic etc |
| Heat Treatment | Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding…… |
| Surface Treatment | Carburizing and Quenching,Tempering ,Tooth suface high quenching Hardening,Tempering |
| 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 |
| Applications | Electric machinery, metallurgical machinery, environmental protection machinery, electronic and electrical appliances, road construction machinery, chemical machinery, food machinery, light industrial machinery, mining machinery, transportation machinery, construction machinery, building materials machinery, cement machinery, rubber machinery, water conservancy machinery and petroleum machinery |
| Machining Process | Material preparation, normalizing, rough turning, quenching and tempering, semi fine turning outer circle, rough turning spiral surface, fine turning (fine grinding) inner hole end face, keyway, semi fine turning spiral surface, pliers (rest incomplete teeth), semi fine grinding outer circle, semi fine grinding spiral surface, grinding center hole, fine grinding outer circle, fine grinding spiral surface, finished product inspection |
| Advantages | 1. Produce strictly in accordance with ANSI or DIN standard dimension 2. Material: SCM 415 steel 3. Bore: Finished bore 4. Precision grade: DIN 5 to DIN 7 5. Surface treatment: Carburizing and Quenching 6. Module: From 1 to 4 7. Tooth: From Z15 to Z70 |
Company Profile
Packaging & Shipping
FAQ
| Main Markets? | North America, South America, Eastern Europe , West 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!! |
If you are interested in our products, please tell us which materials, type, width, length u want.
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| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, New Energy Industry |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| Manufacturing Method: | Rolling Gear |
| Toothed Portion Shape: | Spur Gear |
| Material: | Stainless Steel |
| Samples: |
US$ 15/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Can gear pumps be used in hydraulic systems?
Yes, gear pumps can be used in hydraulic systems. Here’s a detailed explanation:
1. Positive Displacement Operation:
Gear pumps operate on the principle of positive displacement, which makes them suitable for hydraulic applications. In hydraulic systems, a pump is required to deliver a consistent flow of fluid to actuate various components such as cylinders or motors. Gear pumps provide a steady and predictable flow rate, ensuring reliable operation of hydraulic systems.
2. Compact and Lightweight:
Gear pumps are often compact and lightweight compared to other types of hydraulic pumps. This makes them suitable for applications where space is limited or weight needs to be minimized. Gear pumps can be easily incorporated into hydraulic systems without adding excessive bulk or weight.
3. Cost-Effective:
Gear pumps are generally more cost-effective compared to other types of hydraulic pumps. They have a simple design with fewer components, which makes them easier to manufacture and maintain. This cost-effectiveness makes gear pumps a popular choice for a wide range of hydraulic applications.
4. Reliability:
Gear pumps are known for their reliability and durability. They have a robust construction with fewer moving parts, which reduces the chances of mechanical failure. Gear pumps can withstand high pressures and provide consistent performance over a long service life, making them well-suited for demanding hydraulic systems.
5. Viscosity Range:
Hydraulic systems may involve fluids with varying viscosities. Gear pumps are capable of handling a wide range of fluid viscosities, from low-viscosity hydraulic oils to more viscous fluids. The positive displacement action of gear pumps ensures a consistent flow rate regardless of the fluid viscosity, allowing them to adapt to different hydraulic fluid requirements.
6. Limitations:
While gear pumps offer several advantages, they also have some limitations in hydraulic systems. Gear pumps are generally not suitable for high-pressure applications where more precise flow control is required. They may produce higher levels of noise and have lower overall efficiency compared to some other types of hydraulic pumps.
In summary, gear pumps can be effectively used in hydraulic systems due to their positive displacement operation, compactness, cost-effectiveness, reliability, and ability to handle a range of fluid viscosities. However, for specific high-pressure or precision flow control requirements, alternative hydraulic pump technologies may be more suitable.
Can gear pumps handle abrasive and corrosive fluids effectively?
Gear pumps are generally not the most suitable choice for handling abrasive and corrosive fluids effectively. Here’s a detailed explanation:
1. Abrasive Fluids:
Abrasive fluids contain solid particles that can cause wear and damage to pump components. Gear pumps have tight clearances between the gear teeth and the pump housing, and the presence of abrasive particles can lead to accelerated wear and reduced pump efficiency. The abrasive particles can cause erosion of the gears, housing, and other internal surfaces, leading to increased clearances and decreased pump performance over time. While gear pumps may be able to handle some mildly abrasive fluids, they are not designed for heavy-duty abrasive applications.
2. Corrosive Fluids:
Corrosive fluids can chemically attack and degrade the materials used in gear pumps. Many gear pumps are constructed using materials such as cast iron, stainless steel, or bronze, which offer good resistance to corrosion in a wide range of fluids. However, highly corrosive fluids, such as strong acids or alkalis, can still cause damage to these materials over time, leading to leaks, reduced performance, or even pump failure. In corrosive fluid applications, it is often necessary to use specialized materials or corrosion-resistant coatings to protect the pump components.
3. Alternative Options:
For handling abrasive and corrosive fluids effectively, alternative pump technologies are often preferred. Some options include:
- Diaphragm Pumps: Diaphragm pumps use a flexible diaphragm to handle abrasive and corrosive fluids. The diaphragm separates the fluid from the pump components, protecting them from direct contact with the fluid.
- Peristaltic Pumps: Peristaltic pumps use a flexible tube or hose to transport fluids. The fluid only comes into contact with the tube, which can be made from materials resistant to abrasion and corrosion.
- Centrifugal Pumps: Centrifugal pumps are often used for abrasive and corrosive fluids. They rely on the centrifugal force generated by a rotating impeller to move the fluid, and they can be constructed with materials that withstand the corrosive effects of the fluid.
- Progressive Cavity Pumps: Progressive cavity pumps use a rotating screw-like rotor inside a rubber stator to transfer fluids. The design allows for gentle handling of abrasive and corrosive fluids without significant wear or damage.
In summary, while gear pumps can handle some mildly abrasive fluids and certain corrosive fluids, they are not typically the most effective choice for handling highly abrasive or corrosive fluids. For such applications, alternative pump technologies that are specifically designed to handle abrasive or corrosive fluids should be considered to ensure optimal performance, longevity, and reliability.
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.
editor by CX 2024-03-30