Product Description
Customized metal agricultural industry brass CNC machining parts
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Optional |
CNC turning / CNC milling service |
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Material |
Stainless Steel , Aluminum , Copper , Iron , Plastic etc. |
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Size |
Customized Size , Make Appointed Size to Match Your Products. |
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Design and Advise |
Design and Skilled Support, Put Your Good Ideal into Reality. |
| Inspection | 1.100% inspection on critical dimension; 100% on appearance. 2.Third Party inspection available upon requirement |
| After-sales Services | Video Techincal Support, Online Support, Engineers |
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Sample Cost |
Free of Sample Cost. Normally is USD 35~110 per Style If Special Design We Need Sample Charge, Can Refund when You Have Official Bulk Order. |
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Sample time |
Common products 1-7 days after received drawing and payment |
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Delivery Time |
1-25 days after order with prepayment based on products structure and quantity |
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Payment Terms |
Only 30% Deposit, Make Your Floating Capital More Effective. |
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Shipping |
By Air or Sea. If Choose by Air, it is Faster Like You Purchase from Local Market. |
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Quality Guarantee |
1 years |
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Service Type |
OEM / ODM |
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Quality Control |
Quality control standards
1.Consistent calibration and inspection tool 2.Optional XRF analysis report
3.Well-equipped inspection department
4.Materials inspection by IQC 5.FQC will check the products 6.100% inspected by OQC before shipping 7.Designated area for nonconforming products 8.Root cause analysis of unqualified
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Application |
Industry, Mining, Marine, Public Utilities,Automatic machine, Medical device, Automobile, Electric appliance etc |
| Main material | |
| Stainless Steel | SS201,SS301,SS303, SS304, SS316, SS416 etc. |
| Steel | mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# etc. |
| Brass | HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90 etc. |
| Copper | C11000,C12000,C12000, C36000 etc. |
| Aluminum | AL6061, Al6063, AL6082, AL7075, AL5052, A380 etc. |
| Iron | A36, 45#, 1213, 12L14, 1215 etc. |
| Surface treatment | |
| Stainless Steel | Polishing, Passivating, Sandblasting, Laser engraving |
| Steel | Zinc plating, Oxide black, Nickel plating, Chrome platingk, Carburized, Powder Coated |
| Aluminum parts | Clear Anodized, Color Anodized, Sandblast Anodized, Chemical Film,Brushing,Polishing |
| Application | |||
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Agricultural equipment |
Computing equipment |
Automobile industry |
Textile equipment |
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Medical / dental instruments |
Measuring instruments |
Petrochemical industry |
Safety equipment |
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Pharmaceutical industry |
Pumps and general connections |
Pharmaceutical industry |
General machinery |
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Industrial valves |
Fixing and movable equipment |
Instrumentation equipment |
Sanitary fittings |
HangZhou Jieni Machinery Parts Co., Ltd. was established in 2008 and is located in HangZhou, which is next to HangZhou, ZHangZhoug.
We are a manufacturer specializing in OEM customized high-precision parts for various industries. We can design, manufacture and assemble according to customer drawings or sample requirements Various mechanical parts and metal parts. The company has a comprehensive process technology and advanced machinery and equipment, with CNC lathes,
CNC machining centers, turning and milling CNC, precision automatic lathes, various instrument lathes, drilling machines
and other mechanical equipment. Products are widely used in automobiles, machinery and equipment, household appliances, etc. Electrical appliances, household sanitary ware, medical equipment, toys, handicrafts and other fields. We
not only provide OEM services, but also provide you with professional technical support and the best production plan for equipment and parts. We specialize in rapid prototyping, rapid processing, small batch and mass production manufacturing of customized parts. We produce more than 10,000 kinds of parts every year, with rich processing experience, we can turn everything into reality. Short delivery time, 24-hour response, full-step QC inspection, and strict compliance with the confidentiality agreement.
Since the establishment of the company, we have adhered to the business policy of “Quality First, Customer First, Credit First”, and always try our best to meet the potential needs of customers. The trend of economic globalization is developing with irresistible forces. Our company is sincerely willing to cooperate with enterprises all over the world to achieve a CZPT situation. Welcome to visit the factory! !We look forward to working with you!
1. Can design and customize products with small batch orders according to the customer’s drawings.
2. Propose the best solution according to the customer’s product, and adopt the best production plan to reduce costs.
3.We have many years of production experience, if there is a conflict between product design and actual production, we
can propose the best modification to meet the actual use of the product.
4.First-class product quality and perfect after-sales service.
5. Factory Outlet.
1.Q: Are you a trading company or a factory?
A: We are a factory
2. Q: How long is your delivery time?
A: Samples are generally 3-7 days; bulk orders are 10-25 days, depending on the quantity and parts requirements.
3. Do you provide samples? Is it free or extra?
A: Yes, we can provide samples, and we will charge you based on sample processing. The sample fee can be refunded
after placing an order in batches.
4Q: Design drawing service
A: Our main business is to undertake drawing processing. For customers who don’t know much about drawing, we also provide design and drawing services. You need to provide samples or sketches.
5Q. About drawing confidentiality
A: The processed samples and drawings are strictly confidential and will not be disclosed to anyone else.
6. Q: How do you guarantee your products?
A: Every product is manufactured in a certified workshop. We provide customers with certificates to ensure quality, and
we can also provide samples for your testing before mass production.
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.
