Produkt Beskriuwing
Detaillearre Photos
Produkt Beskriuwing
| Artikelnr. | Door and Window Plastic Bearing Pulley |
| Dimensions | OEM ODM |
| Materiaal | Bearing -Chrome steel, carbon steel, stainless steel Plastic part- POM/ Nylon6 /Nylon66 +GF/PU/Rubber Housing part – Plastic(Nylon)/ Steel/ Zinc alloy die casting / Aluminium profile/ alu. Alloy die casting |
| Kleur | Original/black/white/Red/ Green/ Orange, or per customers’ requirement |
| Surface Treatment | Zinc plated/Nickle Plated/Black treatment/ Painting/Electrophoretic treatment |
| Features | heavy-duty,adjustable,low noise,easy installation,sliding smoothly,long life,standard,customized,etc. |
| Oanfraach | Sliding window and door, Sliding accessories, furniture accessories etc. |
| Packaing | Foil bag+Neutral Carton+Pallet, or per customers’ requirement |
| MOQ | 1000 pcs |
| Trochrintiid | According to the order q’ty |
| OEM& ODM | Technical drawing or sample is needed |
Company Profile
ABOUT US
Haibite was set up in 1996 and located at HangZhou, a beautiful city in China. Our company is bearing manufacturer&bearing distributor. Since it was first established, CHINAMFG was dedicated in research, development and manufacture of bearings. Now, CHINAMFG has become main and 1 of the first grade suppliers of all kinds of bearings. We could develop the products constructed from different materials, structures, shapes, colors etc.
WELCOME TO THE CLUB!
1. Our rollers are in stable quality with smooth rotation, long life operation, small movement, advanced injection technology engineering etc.
2. The Adjustable Rollers with smooth and long lasting operation, higher performing features like wider adjustment ranges, long rolling life performance, easy installment. It’s available in multiple housing choices with any wheels to fit different aluminnum. Our roller ensure alignment across the full adjustment ranges within built-in retention system.
3. The customized hardware, like plastic parts, stamping patrs, cold forging steel patrs are widely applied in the window and doors, furniture, householders, transmission system, industrial drive system etc.
We are constantly improving and striving for excellent service. We hold a very high regard for our customers, the quality of our products, and our level of customer service.
FAQ
1. who are we?
We are based in ZheJiang , China, start from 2017,sell to North America(1.00%),Africa(1.00%),Western Europe(1.00%),Southern Europe(1.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Bearing cage,Bearing pulley,Plastic products,Miniature bearing,Needle roller bearing
4. why should you buy from us not from other suppliers?
Hardware pulley source factory,20 years professional bearing pulley experience
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR,JPY,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A;
Language Spoken:English,Chinese,Spanish,Japanese,French.
Us Foardielen
Sliding glass doors are becoming more and more popular, because of the view and natural lighting that they provide. But there can be some difficulty when it comes to maintaine them, such as the rollers have worn out. The key part is knowing which roller matches the original. Many people believe that alternatives can be found by identifying the door manufacturer individually. Actually, Most rollers are generic and used by various door manufacturers.
As the professional manufacturer of sliding rollers, we use various identifying characteristics to determine the best replacement option for your door. In addition to the number of wheels your roller uses to support the door, the presence of dimples, bumps, cut-outs and flared edges on the rollers housing will narrow down replacement options substantially. The way that the assembly installs in the door frame is also vital. The key dimensions to confirm a replacement include the width and height of the roller’s outer housing, as well as the diameter of the wheel. In addition to the diameter of the wheels, the material that they’re made of, steel or nylon, is also a factor. Long-term, metal wheels are known to hold up better but they can also cause the track to wear out faster, especially on heavy doors. Nylon wheels tend to be kinder to the track but may not last as long as their steel counterparts.
Purchase Notice
1.Pls send us an inquiry or leave us a message, there will be a dedicated staff to serve you within 1 hours.
2.You can ask us to take actual photos of the products for you, and free samples would be provided.
3. Welcome to visit our factory to negotiate orders, we will do our best to protect the safety of your business journey.
4. Packaging can be customized according to customer requirements
Finally, Please be sure to click “Contact supplier” to contact us, or “Call us” with any questions that you may have.
| Nei-ferkeap tsjinst: | Provide After-Sales |
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| Garânsje: | Provide After-Sales |
| Sertifikaasje: | CE, ISO |
| Samples: |
US$ 0.01/Piece
1 stik (Min. folchoarder) | Bestel Sample |
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| Oanpassing: |
Beskikber
| Oanpast fersyk |
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Ferstjoerkosten:
Estimated fracht per ienheid. |
oer ferstjoerkosten en rûsde levertiid. |
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| Betelmetoade: |
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Inisjele betelling Folsleine betelling |
| Jildfoarm: | US$ |
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| Werom & werombetelling: | Jo kinne jilde foar in weromjefte oant 30 dagen nei ûntfangst fan de produkten. |
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Hoe wurkje meardere pulleys yn in blok- en tacklesysteem gear?
Yn in blok- en oanpaksysteem wurde meardere pulleys yn kombinaasje brûkt om in meganysk foardiel te meitsjen, wêrtroch it makliker opheffen fan swiere loads mooglik is. De pulleys yn in blok en tackle systeem wurkje gear op de folgjende wize:
1. Load Distribution: It gewicht fan 'e lading dy't opheven wurde wurdt ferdield oer meardere stringen fan tou of kabel dy't troch de pulleys passe. Dizze ferdieling fan gewicht helpt by it ferminderjen fan de krêft dy't nedich is om de lading op te heffen.
2. Mechanical Advantage: It meganyske foardiel yn in blok- en oanpaksysteem wurdt berikt troch it fergrutsjen fan it oantal tou segminten dy't de lading stypje. Eltse ekstra pulley fergruttet it oantal tou segminten, dy't op syn beurt ferleget it bedrach fan de krêft nedich te heffen de lading. It meganyske foardiel is gelyk oan it oantal segminten fan tou dy't de lading stypje.
3. Spanningsferdieling: As de lading opheft wurdt, feroaret de spanning yn 'e tou of kabel. Yn in blok- en oanpaksysteem wurdt de spanning ferdield oer de ferskate segminten fan tou of kabel dy't ferbûn binne mei de pulleys. Dizze ferdieling fan spanning soarget derfoar dat de lading evenredich wurdt opheft en foarkomt oermjittige stress op ien inkeld tousegment.
4. Rope Arrangement: De pulleys yn in blok en tackle systeem wurde regele yn twa sets: de fêste pulleys en de beweechbere pulleys. De fêste pulleys binne fêstmakke op in fêst punt, lykas in balke of in plafond, en net bewege. De beweechbere pulleys binne hechte oan 'e lading dy't opheft wurdt en kinne frij bewege. De opstelling fan 'e pulleys bepaalt it meganyske foardiel en de rjochting fan krêft nedich om de lading op te heffen.
Troch dizze prinsipes te kombinearjen, meitsje meardere pulleys yn in blok- en oanpaksysteem it effektyf opheffen fan swiere lesten mei minder ynspanning. It meganyske foardiel fan de pulleys makket it mooglik om loads op te heffen dy't oars te swier wêze om mei de hân op te heffen. Blok- en oanpaksystemen wurde faak brûkt yn ferskate tapassingen, ynklusyf bou, rigging, silen, en teatrale opstellingen.
How are pulleys used in theater and stage rigging?
Pulleys play a vital role in theater and stage rigging, enabling the movement of scenery, props, and equipment with precision and control. They are essential components of the rigging systems used in theaters and stages for lifting, flying, and manipulating various elements during performances. Here’s how pulleys are commonly used in theater and stage rigging:
1. Fly Systems: Fly systems are used to raise and lower scenery, backdrops, curtains, and other elements onto and off the stage. They consist of a series of pulleys, known as blocks, mounted on battens or grids. The pulleys allow the use of counterweights or motorized systems to control the movement of the loads. By changing the configuration of the pulleys and adjusting the counterweights, stage crews can achieve smooth and precise vertical movement of the flown elements.
2. Counterweight Systems: Counterweight systems, commonly employed in fly systems, utilize pulleys to guide the lift lines and distribute the load. The pulleys help reduce friction and ensure that the counterweights move smoothly and efficiently. By adjusting the number and arrangement of pulleys, as well as the counterweight amounts, technicians can achieve the desired balance and control the speed and movement of the flown elements.
3. Line Sets: Line sets are used to suspend and control various elements such as lighting fixtures, speakers, and special effects equipment. Pulleys are incorporated into the line sets to redirect the lines and provide mechanical advantage. This allows technicians to easily raise, lower, and adjust the position of the equipment as needed. By manipulating the pulley system, stage crews can precisely position the equipment and achieve optimal lighting, sound, and visual effects during performances.
4. Automated Systems: In modern theater and stage rigging, automated systems are becoming increasingly prevalent. These systems use motorized pulleys, known as winches or hoists, to control the movement of scenery, lighting, and other elements. The motorized pulleys enable precise and programmable control, allowing for complex and dynamic stage effects. These systems often incorporate multiple pulleys and computerized controls for enhanced automation and synchronization.
5. Rope and Cable Management: Pulleys are also used in theater and stage rigging to manage ropes and cables. They are incorporated into rope locks, cable management systems, and tensioning devices to guide and redirect the lines, ensuring smooth operation and minimizing the risk of entanglement or snags.
6. Safety and Load Distribution: Pulleys in theater and stage rigging play a crucial role in ensuring safety and proper load distribution. They help distribute the load across multiple lines, reducing the strain on individual ropes or cables. Additionally, pulleys are often equipped with safety mechanisms such as locking devices or secondary braking systems to prevent accidental drops or equipment failures.
Overall, pulleys are integral to theater and stage rigging, providing the mechanical advantage, control, and safety measures necessary for the smooth and precise movement of scenery, props, and equipment. They enable the creation of visually stunning and immersive performances, enhancing the overall theatrical experience for audiences.
Can you explain the basic principles of pulley mechanics?
Pulley mechanics are based on a few fundamental principles that govern the operation of pulley systems. Here’s an explanation of the basic principles:
1. Mechanical Advantage: The primary principle of pulley mechanics is mechanical advantage. A pulley system allows for the multiplication of force applied to the rope or belt. By distributing the force over multiple segments of the rope or belt, the load becomes easier to lift or move. The mechanical advantage gained depends on the number of pulleys used in the system. The more pulleys in the system, the greater the mechanical advantage.
2. Force Transmission: When a force is applied to one end of the rope or belt, it creates tension that causes the pulley to rotate. As the pulley turns, the force is transmitted to the load attached to the other end of the rope or belt. This force transmission allows for the movement and manipulation of objects in pulley systems.
3. Directional Change: One of the key principles of pulley mechanics is directional change. A pulley system enables the operator to change the direction of the applied force. By redirecting the force along a different path, a pulley system allows for force to be exerted from a more convenient or advantageous position. This directional change is particularly useful in situations where the force needs to be applied vertically, horizontally, or at an angle.
4. Conservation of Energy: Pulley mechanics also adhere to the principle of conservation of energy. The work done on the load by the applied force is equal to the work done against the load’s weight. Through the pulley system, the input force is transformed into an output force that moves or lifts the load. The energy input and output remain the same, but the pulley system allows for the distribution and transformation of forces to achieve the desired mechanical advantage.
5. Speed and Torque Conversion: Pulleys can also be used to convert speed and torque in mechanical systems. By varying the size of the pulleys or using pulleys of different diameters, the rotational speed and torque can be adjusted according to the requirements of the system. This speed and torque conversion allows for the optimization of power transmission and the matching of different rotational speeds between input and output components.
6. Multiple Pulley Systems: Pulleys can be combined in systems to achieve increased mechanical advantage or to create complex motion patterns. In systems with multiple pulleys, such as block and tackle arrangements, the load is distributed over several segments of rope or belt, further reducing the effort required to lift heavy objects. These systems are often used in cranes, elevators, and other applications where heavy lifting is necessary.
These basic principles of pulley mechanics form the foundation for the understanding and application of pulleys in mechanical systems. By harnessing mechanical advantage, force transmission, directional change, conservation of energy, and speed/torque conversion, pulley systems provide a versatile means of lifting, moving, and manipulating loads in various applications.
bewurker troch CX
2023-12-14
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