China high quality High Precision CNC Brass Copper Round Bore Transmission Worm Spur Gears by Customer′s Design gear box

Product Description

   High Precision CNC Brass Copper Round Bore Transmission Worm Spur Gears by Customer’s Design

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.

 

 

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 )

     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 !

After-sales Service: as Per Your Specification
Warranty: 6 Months
Condition: New
Certification: CE, RoHS, ISO9001
Standard: DIN, ASTM, GOST, GB, JIS, ANSI, BS
Customized: Customized
Samples:
US$ 5/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

worm gear

How do you prevent backlash and gear play in a worm gear mechanism?

Preventing backlash and gear play is essential for maintaining the accuracy and performance of a worm gear mechanism. Here’s a detailed explanation of how to prevent backlash and gear play in a worm gear mechanism:

Backlash refers to the play or clearance between the teeth of the worm and the worm wheel in a worm gear mechanism. It can result in inaccuracies, positioning errors, and reduced efficiency. Here are some measures to prevent or minimize backlash and gear play:

  • Precision manufacturing: Accurate and precise manufacturing of the worm and worm wheel is crucial to minimize backlash. High-quality machining techniques, such as grinding, can be employed to achieve precise tooth profiles and minimize any gaps between the teeth. Careful attention to the design and manufacturing tolerances can help reduce backlash.
  • Tight meshing clearance: Proper adjustment of the meshing clearance between the worm and the worm wheel can help minimize backlash. The meshing clearance should be set as small as possible without causing interference or excessive friction. Close clearance ensures a tighter fit between the teeth, reducing the amount of play or backlash.
  • Anti-backlash mechanisms: Anti-backlash mechanisms can be incorporated into the worm gear system to reduce or eliminate backlash. These mechanisms typically consist of spring-loaded components or adjustable devices that help compensate for any clearance between the teeth. They apply a constant pressure to keep the teeth engaged tightly, reducing the effects of backlash.
  • Preload: Applying a preload to the worm gear system can help minimize backlash. Preload involves applying a slight compressive force or tension to the components, ensuring they remain engaged and eliminating any clearance. However, it is important to apply the appropriate preload to avoid excessive friction and wear.
  • Lubrication: Proper lubrication is crucial for minimizing backlash and reducing gear play. Lubricants with suitable viscosity and properties should be used to ensure smooth and consistent operation of the worm gear mechanism. Good lubrication helps reduce friction, wear, and any potential clearance that can contribute to backlash.
  • Regular maintenance: Regular inspection and maintenance of the worm gear mechanism can help detect and address any developing backlash or gear play. Routine checks can identify signs of wear, misalignment, or improper lubrication, allowing for timely adjustments or replacements to minimize backlash and maintain optimal performance.

It’s important to note that completely eliminating backlash in a worm gear mechanism may not always be possible or desirable. Some applications require a certain level of backlash to accommodate thermal expansion, compensate for positional errors, or allow for smooth operation. The acceptable level of backlash depends on the specific requirements of the application.

When implementing measures to prevent backlash and gear play, it is crucial to strike a balance between minimizing backlash and ensuring smooth, reliable operation. The specific techniques and approaches used to minimize backlash may vary depending on the design, manufacturing, and application requirements of the worm gear mechanism.

worm gear

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.

worm gear

What is the purpose of a self-locking feature in a worm gear?

A self-locking feature in a worm gear serves the purpose of preventing reverse motion or backdriving of the gear system. When a worm gear is self-locking, it means that the worm can rotate the worm wheel, but the reverse action is hindered or restricted, providing a mechanical holding or braking capability. This self-locking feature offers several advantages and is utilized in various applications. Here are the key purposes of the self-locking feature:

  • Mechanical Holding: The self-locking capability of a worm gear allows it to hold a specific position or prevent unintended movement when the worm is not actively driving the system. This is particularly useful in applications where it is necessary to maintain a fixed position or prevent the gear from rotating due to external forces or vibrations. Examples include elevators, lifts, and positioning systems.
  • Backdriving Prevention: The self-locking feature prevents the worm wheel from driving the worm in the reverse direction. This is advantageous in applications where it is crucial to prevent a load or external force from causing the gear to rotate backward. For instance, in a lifting mechanism, the self-locking feature ensures that the load remains suspended without requiring continuous power input.
  • Enhanced Safety: The self-locking property of a worm gear contributes to safety in certain applications. By preventing unintended or undesired motion, it helps maintain stability and reduces the risk of accidents or uncontrolled movement. This is particularly important in scenarios where human safety or the integrity of the system is at stake, such as in heavy machinery or critical infrastructure.

It’s important to note that not all worm gears are self-locking. The self-locking characteristic depends on the design parameters, specifically the helix angle of the worm’s thread. A higher helix angle increases the self-locking tendency, while a lower helix angle reduces or eliminates the self-locking effect. Therefore, when selecting a worm gear for an application that requires the self-locking feature, it is essential to consider the specific design parameters and ensure that the gear meets the necessary requirements.

China high quality High Precision CNC Brass Copper Round Bore Transmission Worm Spur Gears by Customer′s Design gear boxChina high quality High Precision CNC Brass Copper Round Bore Transmission Worm Spur Gears by Customer′s Design gear box
editor by CX 2023-09-25