Product Description
High Quality Metal rack gears worm pinion bevel motorcycle gear helical small CHINAMFG manufacture Module 1.25 Steel pinion gear with hub
Product Description
Click the picture to learn more
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Spur gear |
Helical gear |
Double helical gear |
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Miter gear |
Spiral Bevel Gear |
Straight bevel gear |
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Internal gear |
Worm gear & worm shaft |
Gear rack |
We can produce large forging,casting and welding gears according to customer’s drawings.According to the working conditions and clients’ request,we also can do gear grinding,surface hardening,cemented and quenching,Nitriding and quenching,etc.
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Material |
C45,40Cr,20CrMnTi,42CrMo, Copper, Stainless steel and so on as per your requests. |
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Processing |
F.orging, Machining, Hobbing, Milling, Shaving, Grinding, Heat treatment….… |
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Heat Treatment |
Carburizing,Induction,Flame,Nitriding….… |
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Main Machines |
NC Gear Hobbing Machines, NC Gear Shapers(Gealson, Moude), NC lathe, NC gear Shaving machines, NC gear milling, Nc gear grinding |
Our company specializes in manufacturing custom-made large-scale gears for various industrial applications, employing advanced forging, casting, and welding techniques as per our clients’ exact specifications and technical drawings. We take pride in our ability to create gears that not only meet but exceed expectations in terms of durability and performance under demanding working conditions.
In addition to precision fabrication, we offer an array of post-processing services tailored to enhance gear longevity and functionality. These value-added treatments include:
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Gear Grinding: Ensuring exceptional surface finish and high accuracy of tooth profiles for smoother operation and reduced noise.
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Surface Hardening: Applying processes like induction hardening or flame hardening to form a hardened wear-resistant surface layer while preserving a tough interior core, ideal for gears subject to high loads and surface wear.
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Cementation (Carburizing): A heat treatment process where carbon is diffused into the surface of the gear to increase its hardness, enhancing load-bearing capabilities without compromising toughness.
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Quenching: Rapid cooling after heating to achieve the desired microstructure and mechanical properties, thereby improving hardness and strength of the gears.
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Nitriding and Quenching: Nitriding involves introducing nitrogen into the surface layer to create a hard and wear-resistant case, often followed by quenching to further refine the material’s properties. This combination results in gears with superior fatigue resistance and improved service life.
Each of these processes is meticulously executed under strict quality control measures to ensure that every gear component produced meets stringent standards and client requirements. Our commitment to customization allows us to cater to diverse industries and unique operational environments, providing customers with gears that are specifically designed and treated to withstand their specific application demands.
Related products
Application of Metal rack gears
Metal rack gears, or straight teeth rack gears, are widely used in various industries and applications where linear motion and precise power transmission are required. Here are some typical applications of metal rack gears:
1. Machinery and Equipment: Metal rack gears find extensive use in various types of machinery and equipment. They are employed in linear actuators, CNC machines, printing presses, packaging machinery, and material handling systems. Rack gears provide a linear motion component that translates rotational motion from a pinion gear into linear movement, allowing precise positioning and control.
2. Robotics and Automation: Rack gears are crucial in robotics and automation. They are used in robotic arms, gantry systems, and linear motion modules, enabling precise and controlled movement along a linear axis. Rack gears provide the power transmission and positioning accuracy required for robotic applications.
3. Automotive Industry: Metal rack gears are used in automotive applications, particularly steering systems. They are used in rack and pinion steering systems to convert rotational motion from the steering wheel into linear motion for turning the wheels. Rack gears provide a reliable and efficient means of controlling the vehicle’s direction.
4. Industrial Automation: Metal rack gears are employed in industrial automation applications for material handling, assembly lines, and conveyor systems. They enable linear motion and precise positioning of components, ensuring smooth and efficient operation in automated processes.
5. Elevators and Lifts: Elevators and Lifts use Metal rack gears to provide vertical movement. They are an integral part of the elevator’s mechanical drive system, allowing for precise control and positioning of the elevator car. Rack gears ensure safe and reliable vertical transportation in buildings and other structures.
6. Warehouse and Storage Systems: Rack gears are used in warehouse and storage systems for pallet racking and shelving applications. They enable the movement of storage platforms or shelves along a linear axis, allowing for efficient storage and retrieval of goods in warehouses and distribution centers.
7. Printing and Paper Handling Equipment: Metal rack gears find application in printing presses and paper handling equipment. They control the movement of paper or printing plates, ensuring precise registration and alignment during printing.
8. Medical Equipment: Rack gears are employed in various medical equipment and devices, including diagnostic machines, imaging systems, and patient positioning systems. They enable linear motion and precise adjustment of components, contributing to accurate medical diagnostics and treatments.
These are just a few examples of the applications of metal rack gears. Their ability to provide linear motion, precise power transmission, and positioning control makes them essential components in many industries and systems where linear movement is required.
Company Profile
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| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
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| Hardness: | Hardened Tooth Surface |
| Gear Position: | Internal Gear |
| Manufacturing Method: | Cast Gear |
| Toothed Portion Shape: | Bevel Wheel |
| Material: | Stainless Steel |
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) | |
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Can you provide examples of machinery that use worm gears?
Worm gears are utilized in various machinery and mechanical systems where precise motion control, high gear reduction ratios, and self-locking capabilities are required. Here are some examples of machinery that commonly use worm gears:
- Elevators: Worm gears are commonly employed in elevator systems to control the vertical movement of the elevator car. The high gear reduction ratio provided by worm gears allows for smooth and controlled lifting and lowering of heavy loads.
- Conveyor systems: Worm gears are used in conveyor systems to drive the movement of belts or chains. The self-locking nature of worm gears helps prevent the conveyor from back-driving when the power is turned off, ensuring that the materials or products being transported stay in place.
- Automotive applications: Worm gears can be found in automotive steering systems. They are often used in the steering gearboxes to convert the rotational motion of the steering wheel into lateral movement of the vehicle’s wheels. Worm gears provide mechanical advantage and precise control for steering operations.
- Milling machines: Worm gears are utilized in milling machines to control the movement of the worktable or the spindle. They offer high torque transmission and accurate positioning, facilitating precise cutting and shaping of materials during milling operations.
- Lifts and hoists: Worm gears are commonly employed in lifting and hoisting equipment, such as cranes and winches. Their high gear reduction ratio allows for the lifting of heavy loads with minimal effort, while the self-locking property prevents the load from descending unintentionally.
- Rotary actuators: Worm gears are used in rotary actuators to convert linear motion into rotary motion. They are employed in various applications, including valve actuators, robotic arms, and indexing mechanisms, where controlled and precise rotational movement is required.
- Packaging machinery: Worm gears find application in packaging machinery, such as filling machines and capping machines. They assist in controlling the movement of conveyor belts, rotating discs, or cam mechanisms, enabling accurate and synchronized packaging operations.
- Printing presses: Worm gears are utilized in printing presses to control the paper feed and the movement of the printing plates. They provide precise and consistent motion, ensuring accurate registration and alignment of the printed images.
These are just a few examples, and worm gears can be found in many other applications, including machine tools, textile machinery, food processing equipment, and more. The unique characteristics of worm gears make them suitable for various industries where motion control, high torque transmission, and self-locking capabilities are essential.
How do you calculate the efficiency of a worm gear?
Calculating the efficiency of a worm gear involves analyzing the power losses that occur during its operation. Here’s a detailed explanation of the process:
The efficiency of a worm gear system is defined as the ratio of output power to input power. In other words, it represents the percentage of power that is successfully transmitted from the input (worm) to the output (worm wheel) without significant losses. To calculate the efficiency, the following steps are typically followed:
- Measure input power: Measure the input power to the worm gear system. This can be done by using a power meter or by measuring the input torque and rotational speed of the worm shaft. The input power is usually denoted as Pin.
- Measure output power: Measure the output power from the worm gear system. This can be done by measuring the output torque and rotational speed of the worm wheel. The output power is usually denoted as Pout.
- Calculate power losses: Determine the power losses that occur within the worm gear system. These losses can be classified into various categories, including:
- Mechanical losses: These losses occur due to friction between the gear teeth, sliding contact, and other mechanical components. They can be estimated based on factors such as gear design, materials, lubrication, and manufacturing quality.
- Bearing losses: Worm gears typically incorporate bearings to support the shafts and reduce friction. Bearing losses can be estimated based on the bearing type, size, and operating conditions.
- Lubrication losses: Inadequate lubrication or inefficient lubricant distribution can result in additional losses. Proper lubrication selection and maintenance are essential to minimize these losses.
- Calculate efficiency: Once the power losses are determined, the efficiency can be calculated using the following formula:
Efficiency = (Pout / Pin) * 100%
The efficiency is expressed as a percentage, indicating the proportion of input power that is successfully transmitted to the output. A higher efficiency value indicates a more efficient gear system with fewer losses.
It is important to note that the efficiency of a worm gear can vary depending on factors such as gear design, materials, lubrication, operating conditions, and manufacturing quality. Additionally, the efficiency may also change at different operating speeds or torque levels. Therefore, it is advisable to consider these factors and conduct efficiency calculations based on specific gear system parameters and operating conditions.
How do you calculate the gear ratio of a worm gear?
Calculating the gear ratio of a worm gear involves determining the number of teeth on the worm wheel and the pitch diameter of both the worm and worm wheel. Here’s the step-by-step process:
- Determine the number of teeth on the worm wheel (Zworm wheel). This information can usually be obtained from the gear specifications or by physically counting the teeth.
- Measure or determine the pitch diameter of the worm (Dworm) and the worm wheel (Dworm wheel). The pitch diameter is the diameter of the reference circle that corresponds to the pitch of the gear. It can be measured directly or calculated using the formula: Dpitch = (Z / P), where Z is the number of teeth and P is the circular pitch (the distance between corresponding points on adjacent teeth).
- Calculate the gear ratio (GR) using the following formula: GR = (Zworm wheel / Zworm) * (Dworm wheel / Dworm).
The gear ratio represents the speed reduction and torque multiplication provided by the worm gear system. A higher gear ratio indicates a greater reduction in speed and higher torque output, while a lower gear ratio results in less speed reduction and lower torque output.
It’s worth noting that in worm gear systems, the gear ratio is also influenced by the helix angle and lead angle of the worm. These angles determine the rate of rotation and axial movement per revolution of the worm. Therefore, when selecting a worm gear, it’s important to consider not only the gear ratio but also the specific design parameters and performance characteristics of the worm and worm wheel.
editor by Dream 2024-04-19