Product Description
Quick Details
- Type: Other Door & Window Accessories
- Place Of Origin: ZheJiang , China (Mainland)
- Brand Name: QY
- Model Number: QY1532
- Material: Nylon ,Carbon Steel
- Finish: Zinc Plated
- Usage: Orbit
- Name: 4 Inch Galvanized Nylon Roller
FAQ:
Q: Are you a manufacturer ? Do you Accept OEM?
A: Yes, as a professional manufacturer, we have been in spring field for over 11 years and we accept OEM! Just give us your design, we will make samples for you soon.
Q: Can you do design for me?
A: Yes. We have a professional team having rich experience in spring design and manufacturing.Just tell us your door dimension(door width&height, door weight and lifting systerm), we can custom designed spring size and spring weight.
Q:What is your strengths?
A: Competitive price
High quality
Good communication with customers
Best after-sales service
Q:What is your packing?
A: a, Standard packing,PE bags, plywood cases, wooden carton, pallet.
b, Based on your requirements.
Q: How long is your delivery time?
A: Within 3-5 days after order confirmed. Of course, it depends on the actual quantity.
Q: What payment method do you accept?
A: we accept T/T, western union or paypal before production. Other payments are negotiable
Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shipment.
Q: What is your sea shiping port?
A: ZheJiang port usually; any problems contact us ASAP.
Q: What is your warranty?
A: One year after sale service.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Certification: | CE |
|---|---|
| Splittable: | Splittable |
| Surface Treatment: | Polished |
| Material: | Metal |
| Transport Package: | Standard Package, Pallet |
| Specification: | GB |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Can you explain the primary functions and components of a garage door pulley?
The primary functions and components of a garage door pulley are essential to the proper operation of a garage door system. Here’s an explanation of these functions and components:
1. Cable Support:
A garage door pulley provides support for the lifting cables of the garage door. The cables are attached to the bottom corners of the door and run through the pulleys, allowing for smooth and controlled movement.
2. Cable Direction:
The pulleys play a role in changing the direction of the lifting cables. As the cables extend from the bottom corners of the garage door, they pass through the pulleys, redirecting their path toward the garage door opener or torsion spring system.
3. Cable Tension:
Garage door pulleys help maintain proper tension in the lifting cables. They distribute the weight of the door evenly, ensuring that the cables remain taut and balanced during operation.
4. Wheel or Sheave:
The main component of a garage door pulley is the wheel or sheave. It is typically made of metal or durable plastic and features a grooved rim that allows the lifting cables to fit securely into the groove.
5. Bracket or Shaft:
The wheel or sheave of the pulley is mounted on a bracket or shaft. This provides a stable and secure position for the pulley, allowing it to rotate smoothly as the cables pass over it.
6. Ball Bearings:
High-quality garage door pulleys often incorporate ball bearings within the wheel or sheave. These bearings reduce friction and facilitate smooth rotation of the pulley, contributing to efficient door operation.
7. Pulley Housing:
In some garage door systems, the pulley may be enclosed within a housing. The housing serves to protect the pulley components from dust, debris, and moisture, promoting longevity and reliable performance.
8. Lubrication Points:
Garage door pulleys may have designated lubrication points to ensure smooth movement and reduce friction. Regular lubrication of these points helps maintain optimal performance and prolong the lifespan of the pulley.
Overall, the primary functions of a garage door pulley include cable support, cable direction, and cable tension. The main components of a pulley are the wheel or sheave, bracket or shaft, ball bearings, pulley housing (if applicable), and lubrication points. Understanding these functions and components is crucial for proper maintenance and troubleshooting of the garage door pulley system.
editor by CX
2024-01-24