Product Description
Metric Self Locking Steel Brass Pinion Wheel Steering Screw Shaft Worm Gear
Product Description
Operating principle
A special design of the CHINAMFG is the so-called worm. In this case, the tooth winds around the worm shaft like the thread of a screw. The mating gear to the worm is the worm gear. Such a gearbox, consisting of worm and worm wheel, is generally referred to as a worm drive.
Power transmission
In worm drives, power is transmitted almost exclusively through sliding between the flanks of the worm and the worm gear, i.e. the flanks slide CHINAMFG each another as a screw. Worms are ultimately a special case of screw gears. In contrast to screw gears, which generate a point-shaped flank contact, worms have a linear flank contact. This results in the advantage of transmitting higher power at higher transmission ratios.
Due to the sliding processes and the associated friction on the flanks, the efficiency of worm drives is generally lower than wirh spur gear drives or bevel gear drives. Due to the heat generated by friction, worm drives must be cooled at high power transmissions in addition to lubrication.
1.High skilled and well-trained working team under good management environment;
2. Quick response and support for any inquiries;
3. Over 10 years professional manufacture experience to ensure high quality of your products;
4. Large and strong production capacity to meet your demand;
5. High Quality standard and hygienic environment;
6. We have very strict quality control process:
a. In coming Quality control (IQC) – All incoming raw material are checked before used.
b. In process quality control (IPQC) – Perform inspections during the manufacturing process.
c. Final quality control (FQC) – All finished goods are inspected according to our quality
standard for each products.
d. Outgoing Quality Control (OQC) – Our QC team will 100% full inspection before it goes
out for shipment.
7. Good after sales services;
Material Available:
| Stainless Steel | SS201,SS301, SS303, SS304, SS316, SS416 etc. |
| Steel | mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# etc. |
| Brass | HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90 etc. |
| Copper | C11000,C12000,C12000 C36000 etc. |
Our Advantages
| Advantages | »Reliable CNC service »Good machining quality »Reasonable Pricing provided »Competitive shipping cost service »MOQ 1PCS and small quantity order accepted »Professional engineering service when any modification required »Any turnkey assembly or customized package requirements, we’ll meet your demands! |
| RFQ | Customer Inquiry →Engineering Communication →Cost Analysis →Sales Analysis →Quote to Customer » 1-3 Work Days Only » Submit RFQ with complete commercial terms |
| Sample Making | Sample Order → Engineering Review → Sample Plan to Customer → Sample Status Tracking → Submit Samples with Doc. » Tooling L/T: 2-4 weeks, Sample L/T: 1 week » Continuous Sample Status Tracking » Complete Documents for sample approval |
| Order Management | CRM System → Open Order Confirm → Logistic Arrangement. » Production L/T: 2-4 wks » Weekly Open Order Confirm » Preferred 3PL Service to Customers |
| Quality Control | Certificates: RoHS, ISO9001:2008, SGS. IQC → IPQC → OQC/FQC → Quality Complain Feedback → Audit & Training. » Plant Audit and Qualified by world famous company » Strict Quality Management Procedure with Traceability |
| Application | »Aerospace »Marine »Motorbike »Automotive »PhotoGear »EDC Tools » lighting fittings »Office equipment »Home appliance »Medical equipment »Telecommunication »Electrical & Electronics »Fire detection system, etc. |
Inspections:
3D instruments, 2D instruments, Projectors, Height Gauges, Inner diameter dial indicators, Dial gaues,
Thread and Pin gauges, Digital calipers,Micro calipers, Thickness testers, Hardness testers Roughness
testers, etc.( Detection accuracy to 0.001 millimetre )
FAQ
Q: Why choose CHINAMFG product?
A: We CHINAMFG have our own plant– HangZhou CHINAMFG machinery Co.,Ltd, therefore, we can surely
promise the quality of every product and provide you comparable price.
Q: Do you provide OEM Service?
A: Yes, we provide OEM Service.
Q: Do you provide customized precision machining parts?
A: Yes. Customers give us drawings and specifications, and we will manufact accordingly.
Q: What is your payment term?
A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.
Quality First,Price Best,Service Foremost!
We assure you of our best services at all times !
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| Standard or Nonstandard: | Nonstandard |
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| Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car |
| Spiral Line: | Right-Handed Rotation |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | Order Sample as custom required
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.
Can worm gears be used in both horizontal and vertical orientations?
Yes, worm gears can be used in both horizontal and vertical orientations. Here’s a detailed explanation of the suitability of worm gears for different orientations:
1. Horizontal Orientation: Worm gears are commonly used in horizontal orientations and are well-suited for such applications. In a horizontal configuration, the worm gear’s weight is primarily supported by the bearings and housing. The lubrication and load-carrying capabilities of the gear design are optimized for horizontal operation, allowing for efficient power transmission and torque generation. Horizontal worm gear applications include conveyor systems, mixers, mills, and many other industrial machinery setups.
2. Vertical Orientation: Worm gears can also be used in vertical orientations, although there are some additional considerations to address in such cases. In a vertical configuration, the weight of the worm gear exerts an axial force on the worm shaft, which can introduce additional load and affect the gear’s performance. To ensure proper operation in a vertical orientation, the following factors should be considered:
- Thrust load handling: Vertical orientations impose a thrust load on the worm gear due to the weight of the gear and any additional external loads. The gear design should be capable of handling and transmitting this thrust load without excessive wear or deformation. Proper bearing selection and lubrication are crucial to support the axial load and maintain optimal performance.
- Lubrication: Lubrication becomes even more critical in vertical worm gear applications. Adequate lubrication ensures proper lubricant film formation to minimize friction, reduce wear, and dissipate heat generated during operation. Careful consideration should be given to the lubricant type, viscosity, and lubrication method to ensure effective lubrication, particularly in the upper parts of the gear where lubricant distribution may be more challenging.
- Backlash control: In vertical orientations, gravity can cause the load to act on the gear in the opposite direction, potentially leading to increased backlash. Proper gear design, including tooth geometry and clearance adjustments, can help minimize backlash and ensure precise motion control and positional stability.
- Bearing selection: The choice of bearings becomes crucial in vertical worm gear applications. Thrust bearings or combinations of thrust and radial bearings may be required to handle the axial and radial loads effectively. Bearings with appropriate load-carrying capacities and stiffness are selected to ensure smooth operation and minimize deflection under vertical loads.
- Sealing: Vertical orientations may require additional sealing measures to prevent lubricant leakage and ingress of contaminants. Proper sealing and protection mechanisms, such as seals or gaskets, should be implemented to maintain the integrity of the gear system and ensure reliable operation.
In summary, worm gears can be utilized in both horizontal and vertical orientations. However, certain considerations related to thrust load handling, lubrication, backlash control, bearing selection, and sealing should be taken into account for vertical applications. By addressing these factors appropriately, worm gears can effectively transmit power and torque, whether in horizontal or vertical configurations.
Can you explain the concept of worm and worm wheel in a worm gear?
In a worm gear system, the worm and worm wheel are the two primary components that work together to transmit motion and power. Here’s an explanation of the concept:
Worm:
The worm is a cylindrical shaft with a helical thread wrapped around it. It resembles a screw with a spiral groove. The helical thread is called the worm’s thread or worm thread. The worm is the driving component in the worm gear system.
When the worm rotates, the helical thread engages with the teeth of the worm wheel, causing the worm wheel to rotate. The angle of the helical thread creates a wedging action against the teeth of the worm wheel, resulting in a high gear reduction ratio.
One important characteristic of the worm is its self-locking nature. Due to the angle of the helical thread, the worm can drive the worm wheel, but the reverse is not true. The self-locking feature prevents the worm wheel from backdriving the worm, providing a mechanical brake or holding position in the system.
The worm can be made from various materials such as steel, bronze, or even plastics, depending on the application requirements. It is often mounted on a shaft and supported by bearings for smooth rotation.
Worm Wheel:
The worm wheel, also known as the worm gear, is the driven component in the worm gear system. It is a gear with teeth that mesh with the helical thread of the worm. The teeth on the worm wheel are typically helical and cut to match the angle and pitch of the worm’s thread.
As the worm rotates, its helical thread engages with the teeth of the worm wheel, causing the worm wheel to rotate. The rotation of the worm wheel is in the same direction as the worm’s rotation, but the speed is significantly reduced due to the high gear reduction ratio of the worm gear system.
The worm wheel is usually larger in diameter compared to the worm, allowing for a higher gear reduction ratio. It can be made from materials such as steel, bronze, or cast iron, depending on the application’s torque and durability requirements.
Together, the worm and worm wheel form a compact and efficient gear system that provides high gear reduction and self-locking capabilities. They are commonly used in various applications where precise motion control, high torque, and compactness are required, such as elevators, steering systems, and machine tools.
editor by CX 2024-04-03