Product Description
| Description | 1″, 2″, 3″Pulley |
| struction | The pulley is 2pcs of 1.2mm cold rolled stel sheet riveted together, 6 rivets preportionally spaced. Inner ring heat treated. |
| Thickness | 1.2mm |
| Clamp | 2.0mm |
| Finish | zinc plated |
HangZhou Rongli Metal Products Co., Ltd founded in 1998, it is an enterprise with the qualification of import and export, integrating design, production and trading various metal products. Our factory is located in HangZhou, and covers an area of 40, 000 metre square.
We have the complete production equipment and machines: CNC Laser cutting machine, CNC punching machine, CNC bending machine, CNC shearing machine, High speed punching machines, milling machine, grinding machine and a 2000 metre square big Automatic painting line.
The main products scope are Garage door hardwares, industrial door hardwares, furniture hardware, truck hardware, elevator accessory, cleaning products and safety boxes etc.
Our customers are from all over the world, especially from North American, European, Australia. We have more experiences and abilities to provide our customers, the good service, higher quality goods, better prices, and reliable supply chain in China.
Welcome to our company and build new business with us, if you have any question and inquiries, please do not hesitate to contact us!
| After-sales Service: | 1 Year |
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| Warranty: | 1 Year |
| Certification: | ISO |
| Splittable: | Unsplittable |
| Surface Treatment: | Zinc Plated |
| Material: | Steel |
| Samples: |
US$ 0.2/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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In which types of garage door setups are pulleys typically used?
Pulleys are typically used in certain types of garage door setups to facilitate the lifting and lowering of the door. Here are the common types of garage door setups where pulleys are typically employed:
1. Torsion Spring Systems:
Torsion spring systems are a common type of garage door setup, especially in residential applications. In this setup, pulleys are used to guide and support the lifting cables that are attached to the bottom corners of the garage door. The cables pass through the pulleys and connect to the torsion springs, which store and release energy to lift and lower the door.
2. Extension Spring Systems:
Extension spring systems are another type of garage door setup found in many residential and some commercial applications. These systems use pulleys to guide and support the lifting cables that are attached to the bottom corners of the door. The cables extend from the door, run through the pulleys, and connect to extension springs that stretch and contract to facilitate door movement.
3. Manual Garage Doors:
Pulleys are also commonly used in manual garage door setups, where the door is operated by hand without the assistance of a motorized opener. In these setups, pulleys play a crucial role in guiding and supporting the lifting cables, allowing users to manually lift and lower the door with less effort.
4. Some Commercial and Industrial Doors:
In certain commercial and industrial garage door setups, especially those with larger and heavier doors, pulleys may be used to assist in the lifting process. These setups often incorporate high-lift or vertical-lift systems where pulleys play a crucial role in guiding the lifting cables and supporting the weight of the door.
5. Custom or Specialty Garage Doors:
In custom or specialty garage door setups, pulleys may be used based on the specific design and requirements of the door. These setups can include unique configurations or unconventional lifting mechanisms where pulleys are utilized for cable guidance and support.
It’s important to note that not all garage door setups utilize pulleys. Some modern garage door systems, such as those with direct-drive or belt-drive openers, may employ alternative mechanisms that eliminate the need for traditional pulleys.
In summary, pulleys are typically used in garage door setups with torsion spring systems, extension spring systems, manual operation, certain commercial and industrial doors, and custom or specialty garage doors.
editor by CX
2023-10-06