Tag Archives: iron pulley

China factory Manufacture China OEM Professional Grey Cast Iron Pulley Made in China pulley block

Product Description

 OEM / ODM Service
Customized Design, Mold for Drawings .

Product Parameters

Name Grey / Ductile Iron Casting
Material Iron
Process Sand Casting, Shell Casting, Deburring, Sandblasting, Machining, Heat Treatment, Leakage test, Surface treatment, etc.
Machining equipment CNC, Lathe machine, Milling machine, Drilling machine, Grinding machine
Lead time 15-25 days, depending on the structure and size
Available software Auto CAD, Solid work
Material standard ISO, GB, ASTM, SAE, ISO, EN, DIN, JIS, BS
 
Surface treatment Powder coating, Chrome plating, Painting, Sand blasting, Nickel Plating, Zinc Plating, Blacking, Polishing, Bluing, etc.
 
Machining equipment CNC, Lathe machine, Milling machine, Drilling machine, Grinding machine
Quality control The defective products rate is less 0.1%.
Application Engine parts,Auto parts, Machinery Parts,Rail Train parts, Truck Parts,Tractor Parts,Construction Equipment ,Agriculture Equipment, Other industrial fields.
 

 

Detailed Photos

 


Customized design and production

Provide whole engineering solution, covering material, process, finish etc

Ductile iron(EN-GJS-400-18/450-10/500-7/600-3/700-2/800-2) and gray iron(EN-GJL-150/200/250/300/350) and so on. All available.

Precision machining, diverse heat treatment process and rich surface treatment(Galvanized/Powder coating/KTL(/EPD)/Dacromet/Geomet) available.

Application:

1. Engine parts,
2. Auto parts,
3. Machinery Parts,
4. Rail Train parts,
5. Truck Parts,
6. Tractor Parts
7. Construction Equipment  
8. Agriculture Equipment,
9. Other industrial fields.
 

Company Profile

HangZhou Syncretic Machinery Co., Ltd. is an industrial and trade integrated company specializing in the manufacturing and marketing of castings.
Our company is headquartered in the beautiful port city of HangZhou, ZheJiang Province, and its factory is located in HangZhou City, ZheJiang Province. The factory was founded in 2001 and has a long history of over 20 years. Our company is mainly engaged in the casting and finishing of automobile, forklift, train and ship parts, including steel castings and ductile iron parts.

Work-shop

Further Production Process:
1. Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, Grinding machine, and so on;
2. Heat Treatment:  annealing, carbonization, tempering, quench, normalization and surface tempering
3. Surface treatment: Powder coating, Chrome plating, Painting, Sand blasting, Nickel Plating, Zinc Plating, Blacking, Polishing, Bluing, etc.

Tooling & Mould:
1. Mould life: usually semi-permanent.  
2. Tooling Leadtime: 15-25 days, depending on the structure and size.
3. Tooling & mould maintenance: Be responsible by HangZhou Syncretic Machinery Co., Ltd
OEM and ODM service
“No compromise” philosohpy in quality control.
20,000 tons per year of casting capacity, More than 20 years foundry history !

Quality control:
1. Quality control: The defective products rate is less 0.1%.
2. Sample and pilot run will be given 100% inspection during production and before shipment, Sample check for mass production according to ISDO standard or customer requirements
3. Test equipment: Spectrum Analyzer, CMM, Hardness test equipment, Tension test machine;
4. After-sales services are available.
5. Quality situation can be traceable.
 

Certifications

“No compromise” philosohpy in quality control.

 20,000 tons per year of casting capacity, More than 20 years foundry history.

ISO9001 and TS 16949 certified 
 

Packaging & Shipping

Short leadtime for toolings(7~10 days) and samples (3~5 days) !

Client visit

               
                     We are always at your service,,
Come and contact us! 

FAQ

 1.What about your quality?
All of our products have good quality. Each casting is processed through our QC staff with inspection records for every shipment. To guarantee the correct material specification and right mechanical properties, we have chemical analysis equipment, hardness tester, and tensile strength machine.

2. What is your payment term?
Usually we use TT payment, and the prepayment proportion is determined according to the order quantity, but mold and sample cost need to be paid in advance.
 
3. What’s your delivery time ?
The sample delivery time is generally about 10 days, and the order delivery period is determined by the order volume

4. What is your quotation element?
Design drawing (including material, weight, process, etc.) or sample, order quantity
 
5. Do you accept the 3D drawings?
We accept 3D drawings. Software for specification drawings: Auto CAD, CZPT work

Casting Method: Sand/Die/Investment Casting/
Casting Form Material: as Required
Casting Metal: Iron/Steel/Aluminum/Alloy Steel/Stainless Steel
Casting Form Usage Count: Permanent
Surface Treatment: Powder Coating,Painting, Sand Blast
Surface Roughness: Ra0.05-Ra12.5

pulley

The benefits of using pulleys

A pulley is a mechanical device that converts force into rotation. There are many advantages to using pulleys. Let’s take a look at a few of them. This article will describe the advantages, types, applications, and power sources of pulleys. You can then choose the pulley that best suits your specific needs. If you’re looking for a new tool to help you with a certain task, this article is for you.

Mechanical advantage

The mechanical advantage of a pulley can be defined as the ratio of applied force to the applied force. The mechanical advantage of a pulley can be calculated by considering several factors, including weight and friction. It can be calculated by the force applied per unit length of rope and the number of pulleys used. In a single-circuit system, the force required to lift a heavy object is equal to the user’s body weight.
The mechanical advantage of a pulley can be realized by comparing it to a seesaw. Both uses of rope are suitable for lifting objects. A rope four times heavier than a kilo is four times as effective. Because the forces on both sides of the pulley are equal, a small force is enough to move a large weight a short distance. The same force can be applied to a large mass to lift it several meters.
After introducing the concept of mechanical advantage, learners will practice using the pulley system. In addition to testing the pulley system, they should also calculate its mechanical advantage. Using either the instructor-provided handout or the learner’s workbook, students will determine how easily the pulley system functions. Once they have completed the test, they can discuss their results and how the system can be improved. These courses are best completed as part of a mini-unit or as a standalone main course.
The mechanical advantage of the pulley system is proportional to the number of rope loops. This circuit requires the same force as the dual circuit to lift heavy objects. A single lap requires only a third of the force to lift a double lap, while three laps require almost half the energy required for a single lap. The mechanical advantage of the pulley system becomes constant as the number of cycles increases.
The 3:1 Mechanical Advantage system feels like lifting a 300-pound load with three feet of rope. The three-foot-long rope moves the load one foot high. Understanding the mechanical advantages of pulleys is critical for rescuers when trying to create the perfect pulley system. Ideally, the pulley system will be anchored to a nearby rock, tree, pole or person – if the weight is not too heavy.
pulley

Types of pulleys

There are several types of pulleys. V-belt pulleys are the type commonly used in vehicles and electric motors. “V” pulleys require a “V” belt, and some even have multiple V grooves. “V” pulleys are often used in heavy duty applications for power transmission because they reduce the risk of power slippage.
Composite pulleys combine the properties of fixed and movable pulleys. Compound pulleys are able to change the direction of force while requiring relatively low force to move even the heaviest loads. Mechanical advantage is a measure of the effectiveness of a machine or equipment. It can be divided into three categories: force, distance and mechanics. Once you understand how each type works, you can design complex machines.
Fixed pulleys: These pulleys are the most basic type of pulleys. They use ropes and slotted wheels to move with the lifted object. Because they are so simple to set up, lifting heavy objects is a breeze. Although the moving object feels light, it is actually heavier than it actually is. These pulleys are used in construction cranes, utility elevators and many different industries.
Compound Pulley System: A pulley pulley is a combination of two fixed pulleys and one movable pulley. Compound pulley systems are effective for moving heavy objects because they have the largest force multipliers and are flexible enough to change the direction of the force as needed. Composite pulley systems are commonly used in rock climbing, theater curtains and sailing. If you’re looking for a pulley system, you can start by evaluating the types of pulleys and their uses.
Construction Pulleys: These are the most basic types of pulleys and have wheel rails. These pulleys can be lifted to great heights and attached to chains or ropes. They allow workers to access equipment or materials from greater heights. They are usually mounted on wheels with axles and secured with ropes. They are essential tools for construction workers. There are many different types of pulleys out there.

energy source

Belts and pulleys are mechanical devices used to transmit energy and rotational motion. The belt is connected to the rotating part of the energy source, and the pulley is mounted on the other. One pulley transmits power to the other, while the other changes the direction of the force. Many devices use this combination, including automobiles, stationary generators, and winches. It is used in many home applications, from conveyors to treadmills. Pulleys are also used for curtains in theater halls.
Pulley systems are an essential part of modern industry and everyday life. Pulleys are used in elevators, construction sites and fitness equipment. They are also used in belt-driven generators as backup power. Despite their simple and seemingly humble beginnings, they have become a versatile tool. From lifting heavy objects to guiding wind turbines, pulley systems are widely used in our daily lives.
The main reason why pulleys are so popular is the mechanical advantage they offer. They can lift a lot of weight by applying very little force over longer distances. For example, a small motor can pull 10 meters of cable, while a large motor can pull 1 meter. Also, the work done is equal to the force times the distance traveled, so the energy delivered to the large motor is the same.
The power source for the pulley system can be cables, belts or ropes. The drive element in a pulley system is usually a rope or cable. A belt is a loop of flexible material that transmits motion from one pulley to another. The belt is attached to the shaft and a groove is cut in the pulley. The belt then transfers energy from one pulley to the other through the system.
pulley

application

A pulley is a mechanical device used to lift heavy objects. They reduce the amount of work required to lift heavy objects and are an excellent choice for many applications. There are several different applications for pulleys, including elevators, grinders, planters, ladder extensions, and mountaineering or rock climbing. Let’s take a look at some of the most popular uses for pulleys in modern society. These include:-
A pulley is a mechanical device that changes force. To use, you wrap the rope around it and pull down to lift the object. While this device is very useful, a major limitation of using pulleys is that you still have to apply the same force to lift the object as you would without the pulleys. This is why people use pulleys to move large objects like furniture and cars.
In addition to lifting heavy objects, pulleys are used in elevators, flagpoles and wells. These systems allow people to move heavy objects without straining their backs. Many other examples of pulleys in the home include garage doors, flagpoles, and elevators. They also help raise and lower flagpoles, which can reach several stories high.
There are two basic types of pulleys: movable and fixed. Fixed pulleys are attached to a ceiling or other object using two ropes. Modern elevators and construction cranes use movable pulleys, as do some weight machines in gyms. Composite pulleys combine movable and fixed pulleys to minimize the force required to move heavy objects.
Another type of fixed pulley is the flagpole. A flagpole can support a country, organization, or anything else that needs to be lifted. A taller flagpole creates a prouder moment for those who support it. The operation of the rope and pulley mechanism is very simple. The user simply attaches the flag to the rope, pulls the pulley, and he or she can watch the flag rise and unfold.

China factory Manufacture China OEM Professional Grey Cast Iron Pulley Made in China   pulley block	China factory Manufacture China OEM Professional Grey Cast Iron Pulley Made in China   pulley block
editor by CX