Product Description
HangZhou FRIMA is IATF16949 certificated manufacturer ,located in HangZhou,China.We are specialized in manufacturing custom-made precision Machining Components. We offer a wide range of manufacturing solutions, including machining, and stamping Our engineering team has rich experience in working in this field for many years.
We have professional quality control team which is built up by rich experienced QC & QA. They will monitor each process of production. Each component or part will go through our QA for final inspection and testing. Make sure every product is under customer’s requirement before CZPT customers.
Our focus is to close the gap and provide lower cost manufacturing throughout the world. Sourcing your parts with FRIMA is the closest thing to running your own manufacturing facility in China. We offer extreme flexibility for you and your project needs.
HangZhou FRIMA will provide you with the following benefits and advantages:
·More saving on manufacturing cost.
·State-of-the-art manufacturing facilities.
·On site manufacturing supervision for quality control.
·Bilingual engineers reporting on your project.
·Reasonable short lead time.
Equipments: CNC machining center, CNC Lathe, milling machine, normal lathe, grinding machine, wire-cut machine, height gauge, projector, and other precise ones.
Materials: Aluminum, Alloy steel, Stainless Steel, brass, etc.
About 80% of FRIMAI’s business is exported, and 20% domestic. FRIMAhas very strict quality control request and system based on IATF16949 management system.
Any enquiries and orders together with drawing or sample as well as investments are extremely welcomed. We sincerely wish to cooperate with your company and create brilliance.
Feature of CNC parts
1. Precision Cnc stainless steel parts strictly according to customer’s drawing, packing, and quality request
2. Tolerance: Can be kept at +/-0.005mm
3. The most advanced CMM inspector to ensure the quality
4. Experienced technology engineers and well-trained workers
5. Fast and timely delivery. Speedily&professional service
6. Quality assurance in accordance with PPAP-3 level system inIATF16949Â
| WMeasuring Facilties | Quadratic Element,Height Gauge,Micrometer,Gauge Block,Needle Gauge,Plug gauge,Caliper,Screw Thread Gauge | |||
| Machining Facilities | Machining Tolerance(mm) | Mchining Precision(mm) | Qty | Self-owned |
| CNC Machining Centre | 800×500 | 0.005-0.01 | 20pcs | Head Plant |
| CNC Machining Centre | 650×500 | 0.005-0.01 | 5pcs | Head Plant |
| CNC Turning | 750×40 | 0.015-0.005 | 20pcs | Head Plant |
| Turning | 750×250 | 0.01-0.02 | 10pcs | Head Plant |
| Milling | 1200×550 | 0.01-0.02 | 6pcs | Head Plant |
| Grinding | 160x360x280 | 0.005-0.01 | 4pcs | Head Plant |
| Grinding | 300×680 | 0.01 | 1pcs | Head Plant |
| Wire-cutting | 400×350 | 0.01-0.02 | 4pcs | Head Plant |
Material Available for CNC Turning Service
| Material | Stainless steel | SS201 SS303 SS304 SS316 17-4PH SUS440C |
| Steel | Q235 20#-45#  etc | |
| Brass | C36000(C26800)  C37700(HPb59) C38500(HP6 58) C27200(CuzN37)etc | |
| Iron | 1213 12L14 1215 etc | |
| Bronze | C51000 C52100 C5400etc | |
| Aluminum | Al6061 Al6063 Al7075 AL5052 etc | |
| Alloy | A2 D2 SKD11 DF2 XW/5 ASP-23 |
Terms and ConditionsÂ
| Our Processing | CNC machining, CNC milling and turning, drilling, grinding, stamping, tapping, |
| Surface finish | Hard Coating/Black Anodize/ Clear Anodize/ Hard Chrome /Clear Zinc/Plasma Niride |
| Tolerance | 0.005mm |
| QC System | 100% inspection before shipment |
| Drawing format | CAD /Â PDF/ DWG/ IGS/ STEP/So |
| Packaging | Standard package /Â Carton box or Pallet /Â As per customized specifications |
| Testing equipment | CMM (Coordinate Measuring Machine), Height gauge, Caliper, Hardness tester, Roughness tester, Projector machine, Pin/Angle/Block/Plug/Thickness/Thread/Radius gauge, etc. |
| Trade terms | EXW, FOB, CIF, As per the customer’s request |
| Shipment Terms | 1) 0-100kg: express &Â air freight priority 2) >100kg: sea freight priority 3) As per customized specifications |
| Note | All CNC machining parts are custom-made according to the customer’s drawings or samples, with no stock. If you have any CNC machining parts to be made, please feel free to send your kind drawings/samples to us anytime by email. |
| Surface Finish | Anodized/Zinc/Nickle/ZiNi plating |
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What Is a Pulley?
The pulley is a wheel mounted on a shaft or axle. Its purpose is to support the movement of a cable that is taut. This cable transfers power to a shaft. However, there are certain safety precautions that you should follow when using a pulley. Read on to learn more! Listed below are common uses and their main parts. Listed below are some of the benefits of using a pulley.
Common uses of a pulley
A pulley is a common mechanical device used to increase the force needed to lift a heavy object. Most commonly, these devices are used in construction equipment. These machines use high-10sion ropes to transfer heavy objects from 1 floor to another. Other common uses of a pulley include buckets and flagpoles. These devices are extremely useful in a wide range of applications. To learn more about the common uses of pulleys, keep reading.
A pulley is a wheel with grooves for holding rope. Its purpose is to change the direction and point at which a pulling force acts. It is usually used in sets to reduce the amount of force needed to lift a load, but the work involved is similar. Pulleys are also used in rock climbing devices. For many applications, a pulley is a vital part of construction.
The most common use of a pulley involves hoisting and lowering a flag. Other examples include clotheslines, bird feeders, and escalators. Pulleys are also commonly used on oil derricks. Many other common applications include hoisting and lowering garage doors. Pulley systems are also used in engines and cranes. For more information, check out our interactive pulley diagram!
Pulleys can also be used to lower total work required for a task. In many cases, a pulley will consist of 2 parts: the pulley hub and the shaft pulley. The hub clamps the shaft pulley, while the pulley itself is connected to the motor or other device. If you’re looking for a pulley, it’s important to learn how it works.
The most common uses for a pulley involve lifting heavy objects, and the mechanism used to lift them is known as a pulley. A pulley is an industrial device that uses 2 wheels to reduce the force needed to lift a weight. The pulley reduces this force by half by allowing the user to pull on the rope 4 times as far. The pulley also allows for a smaller lifting distance.
Main parts of a pulley
A pulley consists of the main element of a system. This is typically a cable, rope, belt, or chain. There are 2 basic types of pulleys – a Driver Pulley and a Follower Pulley. Pulleys are available in small and large sizes. The periphery part of the pulley is called the Face, and the protruding middle part is called the Crown. A pulley’s face can be round, rectangular, or even “V” shaped.
The first pulley was created by the Greek mathematician Archimedes in the third century BCE. These simple machines are made of a rope, an axle, and a wheel. The pulley’s end is attached to a person, object, or motor. These machines can be used in various tasks to lift heavy objects. The pulley is a great mechanical advantage for any lifter.
The ideal mechanical advantage of a pulley is defined by the number of rope segments that pull an object. The higher the number of loops on the rope, the higher the mechanical advantage. The greater the mechanical advantage, the less force is required to move the object. Likewise, the greater the distance the rope traverses, the higher the mechanical advantage of a pulley. There are several different types of pulley, depending on their combination of rope, wheel, and rope.
The basic components of a pulley are the face and hub, and the rope is threaded into the center of the pulley. The pulley is usually made of a rope and can be used to lift heavy weights. It can also be used to apply great force in any direction. Step pulleys have multiple faces, which are fixed in sequence. They can also increase the speed of the driven pulley.
A pulley is a simple machine consisting of a wheel, rope, or chain. These parts are crucial for making moving and lifting easier. Because they change the direction and magnitude of force, they can be a useful tool. Some pulleys even change direction. You can learn more about the pulley by downloading this resource today. The resources are designed to support the new 9-1 GCSEs in Design & Technology and Engineering.
Mechanical advantage
Pulleys have been used to move heavy objects for centuries. When 2 rope sections are used, the weight of a 100kg mass can be moved with only 500 newtons of force. Adding an extra pulley increases the mechanical advantage. If the pulley has 2 wheels, the distance between the rope sections and the wheel grooves is only half the distance, but the mechanical advantage still applies. Adding another pulley increases the mechanical advantage, but can be risky.
Mechanical advantage is the ratio of force used versus force applied. The calculations are made under the assumption that the ropes and weights do not elongate or lose energy due to friction. If the weights are very light, the mechanical advantage is greater than that in the real world. To calculate the mechanical advantage, the weight of the load to be lifted must be the same as the weight of the person using the pulley.
A single moveable pulley has a mechanical advantage of two. The weight passes around the pulley, and 1 end of the rope is attached to a fixed point. The pulling force is then applied to the other end of the rope. The distance the weight travels doubles, or halved, depending on the direction of the pulley. Adding a second pulley reduces the distance and the effort required to lift it.
There are several ways to calculate the mechanical advantage of a pulley system. Some methods are specific to certain types of systems, while others work for all systems. The T-Method is a good choice in many applications, as it calculates the units of tension for each rope segment. Once you have determined the input force, you need to determine the maximum force that will be applied to each component. A compound pulley, for example, will require 4 units of tension for each rope segment.
In simple terms, the effort is the amount of force needed to lift the load. This force is measured in newtons (N). A mechanical advantage is often presented without units. If the student does not have this unit, you may need to convert the units to newtons, since 1 kilogram is equal to 10 newtons. If you can’t figure out the units of effort, you can use the KWL chart provided by the teacher.
Safety precautions
There are a few safety precautions you should take when using a pulley. First, always check the SWL (safe working load) before attaching anything to the pulley. This indicates the maximum weight and angle the pulley can safely handle. Second, make sure that your work area is free from people and debris. Third, wear a hard hat to protect your head from blows and falling objects.
Another important consideration is anchoring. Although the pulley reduces the weight of an object, it is not enough to eliminate the weight. This is especially true if you are hoisting a heavy object, such as a motorcycle or lawnmower. It is important to ensure that the anchoring point can support the entire weight of the load. It is also important to follow proper anchoring procedures when using a pulley to lift a motorcycle or lawnmower.
In addition to the safety latch, you should use a tag line to control the suspended load. Remember that a chain pulley block is necessary for vertical lifting. You should also wear personal protective equipment (PPE) while using a pulley to avoid injuries. If your workplace does not have an PPE policy, you should consider implementing a similar policy. These safety guidelines are a good start.
If you are using a pulley to lift heavy objects, make sure to wear gloves. Those who are not familiar with rope-pulling will have an easier time demonstrating how it works. If you are using a rope-pulley system in a classroom, be sure to follow lab safety guidelines. Wear cloth gloves, clear the area, and do not jerk the rope. In addition, never allow yourself to be pulled into the rope by an unfamiliar person.
Another important safety precaution when using a pulley is to ensure that the anchor point for your system is adequate to support the weight of the object being lifted. Check with the manufacturer of the pulley to find out what its weight limit is, as some types of pulleys are designed to lift much heavier weights than others. It is important to follow all manufacturer’s instructions when using a pulley.
