Warranty: 3 years
After-sale Service: Online technical support, Onsite Installation
Project Solution Capability: graphic design, 3D model design
Application: Hotel
Design Style: Modern
Model Number: 608RD-6
Type: Door & Window Rollers
Item Name: sliding wheel sliding window pulley window and door roller
roller type: u groove
color: white
size: 8*38*8mm
bearing material: carbon steel
roller material: nylon
OEM service: accept
application: sliding door /glass door/door closet
stock: rich
Packaging Details: sliding wheel sliding window pulley window and door roller 1.industrial packaging :Plastic bag > Paper carton Poly tube >Wooden Pallet 2.as customer requirement
Port: HangZhou
| Products name | sliding wheel sliding window pulley window and door roller |
| Brand name | According to customers’ requirement |
| ID size | As per the customer’s technic drawing |
| material | Pom , pp, poly, nylon wheels,chrome steel |
| insert material | pulley |
| Color | all colors available |
| Types | many different types with various sizes and customized |
| Delivery date | Normally ready goods and stock within 30 days |
| Payment terms | A:100% TT B: 30% T/T in advance .70% balance before shipment. C. Western union |
| Application | caster wheel , small pulley , window , sliding door ,… |
| Package | Industrial package or according to buyers’ requirement |
| Features | feel good, clearance of small, low-noise, competitive price with good quality |
1.Product detail
2.Sliding door roller feature
| Able to carry high loads |
| With carbon steel ball bearing |
| With a high load-bearing capacity |
| More quietly than metal roller bearings |
| Low noise, stable performance and durable |
| Able to work in sub-zero temperatures and have low rolling resistance |
| Suitable for countless applications: sliding doors, windows and other furniture |
3.Our door roller bearing craft
| Turning | Take turning as final process to eliminates commonly used grinding ,which enable you to obtain the precise model, size and position. YCZCO adopt advanced precision CNC machine which ensure the product of high-quality surfaces, roundness and position. |
| Heat treatment | Bearing under heat treatment can greatly improve its life, reliability, KKE Dirt Bike Motorcycle CNC Aluminium 44T 50T 520 Chain Rear Sprocket Compatible with Suzuki RMZ250 DRZ400 RM125250 DRZ400 rigidity, wear resistance and anti-fatigue function. Its expected range of the ring can be extend to 28mm. |
| Precision Grinding | The good grinding processing in the outer and inner ring, make the surface smooth and delicate, grinding crack and groove error obviously reduced and touch surface larger. |
Our Services
4.Our service
| Customer service | Any question will be welcome ,we will answer you asap . |
| Lead time | 1.Sample lead time:7-15 working days 2.Order lead time:45 working days(sample avaliable) |
| Transit time | 1.Express:DHL,FedEX,UPS 2.By sea: required shipping company or by us 15 days or more |
| Receiver’s signature | If you find the receipt is not intact, please contact us |
| After-sale service | If you find the product is abnormal, contact us and we will try to solve it |
| Other service | Material and color can be free to choose (option: POM, nylon, glass fiber, etc) OEM offered for injection molding roller and non-standard bearing |
FAQ
5.FAQ time
| 1,You are a bearing factory or trading company? |
| We are professional manufacturer of bearings, mainly deep groove ball bearing and injection rollers. |
| 2,Your factory is a huge one? |
| We are not big, but reliable and standard. There are more than 300 people in our factory.We have 140 skillful workers, QA&QC is 15 people .Stable and strong supply can guarantee your normal and urgent orders. |
| 3,Where are you? |
| Factory:Fuanan city, ZheJiang province, China. Sales department: HangZhou city,ZheJiang province, Hip Hop Jewelry 12mm 15mm 18mm 925 Sterling Silver 2 Tone Iced Out Custom Initial Necklace Moissanite Cuban Link Chain China |
| 4,What are your advantages? |
| We are reliable and have been in this line for more than 10 years. Many customers choose us because of our good services, timely and quick delivery, good quality, competitive price and credibility. |
| 5,What services can I get from you? |
| We are always here for your needs. You can get catalogue, pictures, vedio about us; You can get quote from us anytime you need; Customizing services, OEM services, etc. |
6.Buyer tips
| Shipping |
| Sample :Usually by EMS, DHL, UPS, TNT, Fedex. Anyway as you like.Bulk order:Usually by sea. |
| Delivery |
| Within 7 days working day for Sample or below 100 pcs ,30-45 days working day for large quantity |
| Warranty |
| Six months warranty time for the tracker unit from the delivery date leave factory, excluded the accessories. |
| Payment |
| It can be through T/T, ,Western Union,Please inform us when the payment made, so that we are able to arrange the productions ASAP. |
| Sample |
| (1)Welcome to according to your samples to OEM (2)The sample time: stock samples could be sent within 3 days OME samples will base on the negotiation |
Company Information
Packaging & Shipping
Julie contact waysWelcome you ask more details with me.
Pulley Type
There are several types of pulleys. These include fixed pulleys, load multipliers and movable pulleys. Below is a description of each pulley type. A load multiplier is a special type of pulley with multiple wheels for increased lifting capacity. It is used in a wide range of applications including power transmission and construction. Some common uses of pulleys are listed below.
moving pulley
Movable pulleys work by transferring the weight of a load to another object of the same mass. Since a live pulley is inherently frictionless and weightless, the force required to lift a load with it is the same as the weight of the load. This principle applies to tall buildings and residences. It is an excellent choice for lifting heavy objects such as furniture and washing machines.
A pulley is a mechanical device with a wheel that rotates on a shaft. The axle is attached to the wheel and is usually fixed. The movable pulley can be fixed or movable, both of which can change the direction of the force on the rope. Some pulleys can also change the magnitude and direction of the force. They are ideal for a variety of applications, from lifting heavy objects to transporting objects.
Another type of movable pulley works by transmitting force to another object. It has a free axis and the total force provided by the rope tension is balanced. Since the tension on the rope is constant in each segment, pulling one end of the rope will double the force on the shaft, resulting in two mechanical advantages. This mechanical advantage is the main reason why movable pulleys are so versatile.
Another form of moving pulley is called a KWL diagram. The KWL diagram summarizes the basic concepts of the drive wheel. KWL diagrams are an excellent way to assess a student’s understanding of the concepts discussed in the course. Word questions are a great way to check whether students understand concepts. When students answer the word questions correctly, the answer is yes!
Fixed wheel pulley
If you need to move heavy objects, a single fixed wheel pulley is not a good choice. Using a single fixed pulley might be similar to using a handbag, but it’s not very convenient. This type of pulley system relies on friction to transmit motion. As a result, it can slip and isn’t always reliable. Fortunately, you can find other options that work just as well.
Fixed pulleys are the most basic type of pulley. They consist of grooved wheels and ropes attached to objects. These pulleys make lifting easier. Because the rope or cable only moves in one direction, the movement of the object feels lighter. And they are also easy to install. However, before you buy a fixed wheel pulley, make sure it is strong enough to support the weight of the load.
The disadvantages of fixed pulleys are obvious. One of them is the lack of mechanical advantage. A fixed pulley pulls up with the same force as a single moving pulley, and a single fixed pulley is not particularly effective as a force multiplier. However, the effect is more pronounced when you combine multiple fixed-wheel pulleys. You will get double the power! So what do fixed wheel pulleys have to offer?
Fixed wheel pulleys can be as small as a ring. A single ring pulley requires twice as much force as the weight being pulled. Adding more loops to the rope will reduce the effort required to pull the weight. The mechanical advantage of a fixed pulley is proportional to the number of strands running to the free pulley. A 100-pound pull on the free end will lift a 300-pound load.
composite pulley
Compound pulleys are pulleys that can be used to change the direction of a control wire. It can also be used to modify the mechanical force of the wire by moving the item it is connected to. In galleons, compound pulleys are more common. They are often combined with other ropes for mechanical advantage. Here are some common uses for composite pulleys.
The ideal mechanical advantage of a pulley is equal to the number of rope segments that pull up the load. This means that the more rope segments, the less force is required. A compound pulley will have the ideal mechanical advantage of 2, which means it will generate more force than a simple pulley. Composite pulleys are also more efficient at transmitting force because their number of rope segments is usually equal to the unit weight.
Composite pulley systems use more than two pulleys and ropes. More pulleys will reduce the force required to move heavier objects. They are usually used in large sailboats. The system is also used on construction sites. It can be used for a variety of applications, including lifting large objects or transmitting electricity. You can imagine how it would change your life if you had to move a large sailboat, but the result would be the same: a composite pulley system would make it easier to lift a large sailboat.
Composite pulleys are also known as fixed pulleys. The fixed pulley is stationary, and the movable pulley moves back and forth. The latter is more effective when used with a detachable cord or strap. On the other hand, a moving pulley is a moving pulley and it gives you a mechanical advantage. You can imagine this pulley on a flagpole.
load multiplier
The multiplication system has three basic parts: the rope grab, the connector, and the pulley. While some basic multipliers may combine the three parts, the concept remains the same. The multiplication system can make pulling the rope easier by reducing the amount of friction that occurs. Below are some examples of multiplication systems. A compact rope grab is a great option for resetting the multiplier.
The load reduction that a pulley system can achieve is proportional to the number of ropes used to support it. Although most utility pulley systems use only four ropes, the theoretical maximum load reduction is a quarter of the actual load. In other words, the four-wheel system only reduces the weight of a 1,000-pound load by a quarter. That would require 167 pounds of force, a far cry from the 500-pound load a single pulley system can achieve.
The mechanical advantage of a pulley system can be calculated by calculating the ratio between the forces exerted on each wire. For example, a 90-kilogram load is supported by three ropes, each weighing about thirty-five pounds. The ropes on pulleys A and B each carry a load of 60 kg. Using this formula, a single pulley system will yield a mechanical advantage over two tractors.
To calculate the force required to pull the rope over the pulley, measure the angle and deflection between the ropes. The deflection angle when added to the included angle should equal 180 degrees. A 75 degree angle requires 159% of the load force. This means a total load multiplier of four. This formula is an important tool for calculating the force multiple of the pulley.
Disadvantages of fixed pulleys
There are two basic types of pulleys: movable and fixed. Active pulleys are more advanced, allowing the pulley to move according to the load. They reduce the force required to lift the load. Active roller pulleys are more compact and therefore take up less space. Both types are good for lifting heavier objects, but they each have their pros and cons.
Fixed wheel pulleys can be used to lift heavy objects. This type of pulley consists of a wheel with a fixed shaft that has grooves on its edges for guiding ropes or cables. This is a simple machine as no motor or engine is required to lift objects. When two or more wheels are used together, the ropes around the wheels form a powerful hoist.
Single wheel pulleys are not suitable for lifting. They tend to push things down. Also, they are unreliable because they rely on friction and can slip. Also, a single wheel pulley would require a lot of space. Another disadvantage of fixed-wheel pulleys is that they make it difficult to move heavy objects easily. Single fixed-wheel pulleys also tend to slip easily, making them a poor choice for many applications.
Fixed wheel pulleys are also easier to install and maintain than manually operated ones. It requires less space and lubrication than manual pulleys. Manual pulleys can cause injury because the operator will be lifting the full weight of the heavy object. Additionally, rope slippage can lead to muscle strains and rope burns. And the system requires frequent maintenance.
editor by Cx 2023-07-11