Product Description
Product Description
Advantages:
1.Good quality products
2.Competitive prices
3.Fast delivery
4.Best after-sale service
5.Brand: HeFa or OEM/ ODM
6.Normal torque drive timing pulley:MXL/XL/L/H
7.High torque gear type code:S2M/S3M/S5M/S8M/HTD3M/HTD5M/HTD8M/P2M/P3M/P5M/P8M
8.High precision position drive gear type code:2GT/3GT/5GT/8YU
9.Light load drive gear type code:T5/T10
10.Heavy load drive gear type:AT5/AT10
| Specification | Standard or Custom made |
| Material | Stainless steel,,brass, carbon steel, aluminum, and so on. |
| Surface Treatment | Zn-plating, Ni-plating, Cr-plating, Tin-plating, Copper-plating, the wreath oxygen resin spraying, black oxide coating, painting, powdering, color zinc-plated,blue black zinc-plated, silver plating,anodizing etc. |
| Main Products | Precision spur gear, Timing pulley, Bevel pulley, Worm& worm gear, Timing Belt.. |
| Producing Equipment | CNC machine , automatic lathe machine,stamping machine,CNC milling machine,rolling machine, lasering, tag grinding machine etc. |
| Management System | ISO9001 - 2008 |
| Testing Equipment | Projecting apparatus, Salt Spray Test, Durometer, and Coating thickness tester , 2D projector |
| Lead time | 10-15 working days as usual, 30days in busy season, it will based on the detailed order quantity. |
| Delivery of Samples | By DHL, Fedex, UPS, TNT, EMS |
| Main Markets | North America, South America, Eastern Europe , West Europe , North Europe, South Europe, Asia |
| How to order | * You send us drawing or sample |
| * We carry through project assessment | |
| * We give you our design for your confirmation | |
| * We make the sample and send it to you after you confirmed our design | |
| * You confirm the sample then place an order and pay us 30% deposit | |
| * We start producing | |
| * When the goods is done, you pay us the balance after you confirmed pictures or tracking numbers. | |
| * Trade is done, thank you!! | |
| Applications | Toy, Automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment,daily living equipment, electronic sports equipment, , sanitation machinery, market/ hotel equipment supplies, etc. |
Technical Profile:
| Part Number | [ M ] Material | [ S ] Surface Treatment | ||||||
| Belt Width 10mm | Belt Width 15mm | Belt Width 25mm | Pulley | Flange | Bushing | Pulley | Flange | MechaLock |
| A: 11 W: 16 | A: 17 W: 22 | A: 27 W: 32 | ||||||
| AW_ _S5MK100 | AW_ _S5MK150 | AW_ _S5MK250 | Aluminum Alloy 2000 series |
1045 Carbon Steel | Clear Anodize | - | ||
| AH_ _S5MK100 | AH_ _S5MK150 | AH_ _S5MK250 | 1045 Carbon Steel | Hard Clear Anodize* | ||||
| AN_ _S5MK100 | AN_ _S5MK150 | AN_ _S5MK250 | Nickel Plating | |||||
| SF_ _S5MK100 | SF_ _S5MK150 | SF_ _S5MK250 | 1045 Carbon Steel | Low Carbon Steel | 1045 Carbon Steel | Black Oxide | ||
| SN_ _S5MK100 | SN_ _S5MK150 | SN_ _S5MK250 | ||||||
Specifications:
| Part Number | Pulley Shape | dH7 Range (Select Shaft Bore Dia. from Table 1) | P.D. | O.D. | F | E | |||||||
| Type | Number of Teeth | Type, Nominal Width | S5MK100 | S5MK150 | S5MK250 | ||||||||
| E Shape | F Shape | E Shape | F Shape | E Shape | F Shape | ||||||||
| AW AH AN SF SN |
22 | S5MK100 *A: 11 *W: 16 S5MK150 S5MK250 |
E F |
8 | - | - | - | - | - | 35.01 | 34.05 | 40 | 27 |
| 24 | 8~ 10 | 8 | 10 | 8 | 10 | 8 | 38.20 | 37.24 | 45 | 30 | |||
| 25 | 8~ 10 | 10 | 8 | 10 | 8 | 39.79 | 38.83 | ||||||
| 26 | 8~12 | 10~12 | 8~12 | 10~12 | 8~ 12 | 41.38 | 40.42 | 48 | 35 | ||||
| 28 | 8~12 | 8~12 | 44.56 | 43.60 | |||||||||
| 30 | 10~15 | - | 10~15 | 8~15 | 10~15 | 10~12 | 47.75 | 46.79 | 52 | 36 | |||
| 32 | 10~17 | 10~17 | 10~12 | 10~17 | 10~12 | 50.93 | 49.97 | 55 | 40 | ||||
| 34 | 10~17 | 54.11 | 53.15 | 61 | 45 | ||||||||
| 36 | 57.30 | 56.34 | |||||||||||
| 40 | 63.66 | 62.70 | 67 | 50 | |||||||||
| 44 | 12~25 | 12~25 | 12 | 12~25 | 12~25 | 70.03 | 69.07 | 74 | 58 | ||||
| 48 | 12~28 | 12~28 | 12~28 | 12~28 | 76.39 | 75.43 | 83 | 63 | |||||
| 50 | 12~32 | 12~32 | 12~32 | 12~32 | 79.58 | 78.62 | 87 | 67 | |||||
| 60 | 12~40 | 12~40 | 12~35 | 95.49 | 94.53 | 99 | 80 | ||||||
| 72 | 12~42 | 12~42 | 12~35 | 114.59 | 113.63 | 119 | 100 | ||||||
Table 1: Select Shaft Bore Diameter
| H7 | Max. Allowable Torque Nm | D | (L) | ||
| ST Bushing | SH Bushing | ST Bushing | SH Bushing | ||
| 8 | 16 | 8.52 | 5.5 | 24.5 | 8.5 |
| 10 | 39 | 18 | 30 | 29 | 10.5 |
| 11 | 43 | 20 | 31 | 30 | |
| 12 | 48 | 23 | 32 | 31 | |
| 14 | 73 | 37 | 35 | 36 | 12 |
| 15 | 78 | 39 | 36 | 37 | |
| 16 | 83 | 42 | 37 | 38 | 13 |
| 17 | 88 | 45 | 38 | 39 | |
| 18 | 154 | 48 | 43 | 40 | 14 |
| 19 | 163 | 49 | 45 | 42 | |
| 20 | 171 | 97 | 46 | 46 | |
| 22 | 186 | 110 | 48 | 47 | |
| 24 | 206 | 121 | 50 | 49 | |
| 25 | 216 | 124 | 52 | 51 | |
| 28 | 353 | 141 | 54 | 53 | 15.5 |
| 30 | 382 | 149 | 57 | 56 | |
| 32 | 412 | 163 | 59 | 58 | 16.5 |
| 35 | 451 | 173 | 63 | 61 | |
| 38 | 686 | - | 70 | - | 19 |
| 40 | 725 | 71 | |||
| 42 | 757 | 74 | 20 | ||
[ 1 ]Electroless nickel plated bushing decreases maximum allowable torque and allowable thrust load by 20~30%
Company Profile
Hefa Produce items mainly include timing pulley series, precising grinding gear series and planetary gear reducer series. " Focus and Professional on the Development of Conveyor Field" is our CZPT aim.
We are a professional manufacturer, can produce the whole series of parts and meet various demands for different requests. We can also make the parts according to buyer's design or drawings.
We have introduced advanced equipment.
Packaging & Shipping
Packaging Details:white box+carton or as customer's demand
Delivery Detail:15days after receipt of deposit
Calculate the ideal mechanical advantage of pulleys
The basic equations for pulleys can be found in this article. It will also cover the different types of pulleys, the ideal mechanical advantages of pulleys, and some common uses of pulley systems. Read on to learn more! After all, a pulley is a simple mechanical device that changes the direction of a force. Learn more about pulleys and their common uses in engineering.
pulley basic equation
Pulleys work the same way as gravity, so they should withstand similar forces. Newton's laws of motion can be used to calculate the forces in a pulley system. The second law of motion applies to forces and accelerations. Similar to this is Newton's third law, which states that the directions of forces are equal and opposite. The fourth law dictates the direction of force. The Fifth Law states that tension is in equilibrium with gravity.
A pulley is a simple mechanism that transmits force by changing direction. They are generally considered to have negligible mass and friction, but this is only an approximation. Pulleys have different uses, from sailboats to farms and large construction cranes. In fact, they are the most versatile mechanisms in any system. Some of their most common applications and equations are listed below.
For example, consider 2 masses m. Those of mass m will be connected by pulleys. The static friction coefficient of the left stop is ms1, and the static friction coefficient of the right stop is ms2. A no-slip equation will contain multiple inequalities. If the 2 blocks are considered to be connected by a pulley, the coefficient of kinetic friction is mk. In other words, the weight of each block carries the same mass, but in the opposite direction.
Types of pulleys
A pulley is a device used to pull and push objects. Pulley systems are ropes, cables, belts or chains. The "drive pulley" is attached to the shaft and moves the driven pulley. They are available in a variety of sizes, and the larger they are, the higher the speed of power transmission. Alternatively, use small pulleys for smaller applications.
Two-wheel pulleys have 2 mechanical advantages. The greater the mechanical advantage, the less force is required to move the object. More wheels lift more weight, but smaller pulleys require less force. In a two-wheel pulley system, the rope is wound around 2 axles and a fixed surface. As you pull on the rope, the shafts above slowly come together.
Compound pulleys have 2 or more rope segments that are pulled up on the load. The mechanical advantage of compound pulleys depends on the number of rope segments and how they are arranged. This type of pulley can increase the force by changing the direction of the rope segment. There are 2 main types of pulleys. Composite pulleys are most commonly used in construction. The ideal mechanical advantage of pulleys is 2 or more.
Construction pulleys are a basic type. They are usually attached to wheel rails and can be lifted to great heights. Combinations of axes are also common. Construction pulleys can be raised to great heights to access materials or equipment. When used in construction, these pulleys are usually made of heavy materials such as wood or metal. They are secured with ropes or chains.
The ideal mechanical advantage of pulleys
The pulley system is a highly complex system with high mechanical advantages. Use a single pulley system to reduce the force required to lift an object by cutting it in half. The mechanical advantage increases as you add more pulleys, such as 6 or seven. To calculate the mechanical advantage of a pulley system, you need to count the number of rope segments between the pulleys. If the free end of the rope is facing down, don't count it. If it's facing up, count. Once you have your number, add it up.
The required mechanical advantage of a pulley is the number of rope segments it has to pull the load. The more rope segments, the lower the force. Therefore, the more rope segments the pulley has, the lower the force. If the rope segments are four, then the ideal mechanical advantage is four. In this case, the composite pulley quadrupled the load force.
The ideal mechanical advantage of a pulley system is the sum of the mechanical force and the force required to lift the load at its output. Typically, a single pulley system uses 2 ropes, and the mechanical force required to lift the load is multiplied by the 2 ropes. For a multi-pulley system, the number of ropes will vary, but the total energy requirement will remain the same. The friction between the rope and pulley increases the force and energy required to lift the load, so the mechanical advantage diminishes over time.
Common uses of pulley systems
A pulley system is a simple mechanical device typically used to lift heavy objects. It consists of a rotating wheel attached to a fixed shaft and a rope attached to it. When the wheel moves, the force applied by the operator is multiplied by the speed of the pulley, and the force is multiplied by the weight of the object being lifted. Common uses for pulley systems include pulling, lifting, and moving heavy objects.
The oil and petroleum industries use pulley systems in a variety of applications. Most commonly, pulleys are used in drilling operations and they are installed on top of the rig to guide the cable. The cable itself is attached to 2 pulleys suspended in the derrick, where they provide mechanical energy to the cable. Using a pulley system in this application provides the force needed to move the cable safely and smoothly.
The main advantage of the pulley system is that it minimizes the force required to lift an object. The force used to lift the object is multiplied by the desired mechanical advantage. The more rope segments, the lower the force required. On the other hand, a compound pulley system can have many segments. Therefore, a compound pulley system can increase the force a worker can exert on an object.
Safety Precautions to Take When Working on Pulley Systems
There are many safety precautions that should be observed when working on a pulley system. The first is to wear proper protective gear. This includes hard hats that protect you from falling objects. Also, gloves may be required. You should limit the amount of movement in the penalty area, and you should also keep the area free of unnecessary people and objects. Also, remember to wear a hard hat when working on the pulley system.
Another important safety precaution when working on a pulley system is to check the Safe Working Load (SWL) of the pulley before attaching anything. This will help you understand the maximum weight the pulley can hold. Also, consider the angle and height of the pulley system. Always use safety anchors and always remember to wear a hat when working on a pulley system.
Safe use of chain hoists requires training and experience. It is important to read the manufacturer's manual and follow all safety precautions. If you're not sure, you can actually inspect the hoist and look for signs of damage or tampering. Look for certifications for sprocket sets and other lifting accessories. Look for the Safe Working Load (SWL) marking on the chain hoist.
Example of a pulley system
Pulley systems are often used to lift items. It allows you to reduce the effort to lift and move the load by applying force in 1 direction. Pulley systems can be built and modeled to fit any type of project. This resource focuses on pulley systems and is designed to support the new GCSEs in Engineering, Design and Technology. There are also many examples of pulley systems suitable for various applications.
In the study, participants who read easy text took longer to manipulate the pulley system than those who read challenging text. In general, this suggests that participants with prior scientific experience used their cognitive abilities more effectively. Additionally, students who read simple texts spent less time planning the pulley system and more time on other tasks. However, the study did show that the time required to plan the pulley system was similar between the 2 groups.
In everyday life, pulley systems are used to lift various objects. Flagpoles are 1 of many pulley systems used to raise and lower flagpoles. They can also be used to raise and lower garage doors. Likewise, rock climbers use pulleys to help them ascend and descend. The pulley system can also be used to extend the ladder.
