China Best Sales Mining Machinery Parts Casting Iron Belt Pulley in Reducer supplier

Product Description

Model According to customers’
drawings or samples
Application Mining/cement /petroleum machinery,
Material QT500-7 Surface Preparation Shot blasting
Standard GB 9439-1988 Optional
Raw Materials
Pig iron
QA Qualified by evaluation Size According to customers’ drawings or samples
Technology Electric furnace, assay, tempering, shot blasting Transport Package Wooden Case or steel structure packaging
Lead Time 30-90 Origin China

Casting iron
Material: QT500-7
Chemical composition

Chemical composition
 

C 3.55~3.85
Mn <0.6
Si 2.34~2.86
S <0.571
P <0.08
Mg 0.02-0.04
RE 0.03-0.05

 

Our company covers an area of 16000 square meters, with a construction area of 6600 square meters. We have fixed assets of 50 million yuan, 6 transformers with a capacity of 6000 kVA, 6 medium frequency induction furnaces with a capacity of 8 tons, and 1 heat treatment kiln with a capacity of 400 tons. There are 4 double beam cranes with a capacity of 100 tons, 3 single beam cranes with a capacity of 80 tons, and 2 open-air cranes with a capacity of 80 tons in the workshop. With strong equipment capabilities, it is 1 of the large steel casting enterprises in the western ZheJiang region. We mainly produce carbon steel alloy steel castings and mechanical processing, as well as one-stop service for riveting and welding assembly machines!
Processing equipment: 8 vertical lathes ranging from 2.5 CHINAMFG to 8 meters, boring machines φ 90-200 4 units, φ 4 sets of 80-100 drilling machines, 8 sets of 1-12 meter gear hobbing machines from HangZhou Heavy Industries, with an annual production of 40000 tons of steel castings. The products are of excellent quality and affordable prices, and are exported to various domestic and overseas markets. Has a good reputation in both domestic and international markets.
 

 

From the review of drawings to production evaluation, to product production and quality inspection, our professional engineers are responsible for each link.

Inspection equipment


Packing Image


Transport Image

FAQ
1. How can I get the quotation?
You can send us a mail or contact us by , , etc. And send us your detailed requirements(drawings, materials, quantity, tolerance, surface treatment, etc.), and we will calculate detailed cost for you.
2. If we don’t have detailed product, can you make it for us?
Yes, you can send us your drawings, we have professional engineer team can assist you.
3. How long is the production time?
Based on the specific product.
4. What is the payment method.
100% TT advanced,or L/C.
5. Can you make some parts in heavy machinery equipment?
If you can send us your drawing, we can manufacture.
6. What kind of drawing format is workable for you?
PDF, DWG, etc.
7. How do I know the production? and shipping process?
We will double confirm your requirements, we will regularly report to you the production progress.
8. How do I know the shipping process?
Before shipment we will confirm with you about all the details and other attention issues. After ship out, we will inform you the latest shipping information for you.

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After-sales Service: Yes
Warranty: 1.5 Year
Standard: GB
Surface Treatment: Shot Blasting
Manufacturing Process: Casting
Material: Cast Iron
Customization:
Available

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Customized Request

pulley

How do pulleys function in various types of vehicles and machinery?

Pulleys play crucial roles in numerous types of vehicles and machinery, enabling the transmission of power, control of mechanical systems, and efficient operation. Here’s how pulleys function in various applications:

1. Automotive Engines: In vehicles, pulleys are commonly used in the engine’s accessory drive system. The crankshaft pulley, also known as the harmonic balancer, is connected to the engine’s crankshaft and drives various accessories such as the alternator, power steering pump, and air conditioning compressor. The pulleys enable the transfer of rotational power from the engine to these accessories, allowing them to perform their respective functions.

2. Belt-Driven Systems: Pulleys are extensively used in belt-driven systems across various machinery and equipment. These systems utilize belts, such as V-belts or timing belts, which wrap around pulleys to transfer power. Examples include conveyor systems, industrial machinery, agricultural equipment, and HVAC systems. The pulleys provide the necessary grip and tension to ensure efficient power transmission and drive system operation.

3. Cranes and Hoists: Pulleys are integral components of cranes and hoists, enabling the lifting and movement of heavy loads. Multiple pulleys, often arranged in a block and tackle configuration, are used to create mechanical advantage, reducing the effort required to lift the load. By distributing the load’s weight over multiple strands of rope or cable, pulleys allow for controlled lifting and precise positioning of objects.

4. Construction Equipment: Pulleys are found in various types of construction machinery. For example, in excavators and cranes, pulleys are used in the wire rope systems for lifting and lowering the boom, bucket, or other attachments. Pulleys help in managing the forces involved in these operations, providing smooth and controlled movement.

5. Elevators: Pulleys are essential components in elevator systems. Elevator cars are suspended by steel cables that run over pulleys. These pulleys are connected to an electric motor through a system of gears and sheaves. As the motor rotates the pulleys, the elevator car moves up or down. Pulleys in elevator systems help in efficiently transferring power and maintaining the stability and safety of vertical transportation.

6. Exercise Equipment: Pulleys are widely used in exercise machines and gym equipment to provide resistance and enable adjustable resistance levels. By incorporating pulley systems with different configurations and cable arrangements, exercise equipment can offer a variety of exercises targeting specific muscle groups.

7. Marine Applications: Pulleys are utilized in various marine applications, such as sailboats and winches. Pulleys help in controlling the movement and tension of ropes and cables, enabling sail adjustments, mast raising and lowering, and other rigging operations.

8. Garage Doors: Pulleys are employed in garage door mechanisms to facilitate the smooth opening and closing of the doors. They are used in conjunction with cables or belts, allowing for the transfer of force from the door opener to the door itself.

These examples demonstrate the versatility and importance of pulleys in a wide range of vehicles and machinery. By utilizing pulleys, these systems can achieve efficient power transmission, mechanical advantage, controlled movement, and improved functionality.

pulley

What role do pulleys play in modern elevators and hoists?

Pulleys play a crucial role in modern elevators and hoists, enabling the smooth and efficient vertical movement of loads. They are integral components of the lifting mechanisms, providing mechanical advantage and facilitating safe and controlled operation. Here’s how pulleys are used in modern elevators and hoists:

1. Lifting Mechanism: In elevators and hoists, pulleys are part of the lifting mechanism that moves the load vertically. They are typically combined with cables, ropes, or belts to create a pulley system. By distributing the load’s weight across multiple lines and changing the direction of the applied force, pulleys make it easier to lift heavy loads. The number and arrangement of pulleys can vary depending on the specific design and requirements of the elevator or hoist.

2. Counterweight Systems: Modern elevators often utilize counterweight systems to offset the weight of the elevator car and reduce the amount of power required for operation. Pulleys play a crucial role in these systems by guiding the cables connected to the counterweight. As the elevator car moves up or down, the counterweight moves in the opposite direction, balancing the load. The pulleys in the counterweight system help distribute the weight and ensure smooth movement.

3. Traction Control: Pulleys are also involved in the traction control mechanism of elevators and hoists. Traction elevators use ropes or belts that pass over a series of pulleys, known as sheaves, to create traction. An electric motor drives the sheaves, causing the ropes or belts to move. By adjusting the rotational movement of the sheaves, the speed and direction of the elevator or hoist can be controlled. The pulleys in the traction control system enable precise and reliable operation.

4. Safety Systems: Pulleys play a crucial role in the safety systems of elevators and hoists. For example, in traction elevator systems, overspeed governors utilize pulleys to detect excessive speed and activate the safety brakes in case of a malfunction. The pulleys in these safety systems help monitor and control the elevator’s speed, ensuring passenger safety.

5. Maintenance and Service: Pulleys in modern elevators and hoists are designed to be durable and require minimal maintenance. They are often equipped with sealed bearings or other lubrication systems to reduce friction and wear. This ensures the longevity and reliability of the pulley systems, minimizing downtime and maintenance costs.

Overall, pulleys are essential components in modern elevators and hoists, enabling vertical movement, providing mechanical advantage, ensuring safety, and facilitating efficient operation. They contribute to the smooth and controlled lifting of loads, making elevators and hoists reliable and indispensable tools in various industries and buildings.

pulley

What materials are typically used to manufacture pulleys?

Pulleys are manufactured using a variety of materials, depending on the specific application and requirements. Here are some of the materials that are typically used to manufacture pulleys:

1. Metal Alloys: Metal alloys such as steel and cast iron are commonly used to manufacture pulleys. Steel pulleys offer excellent strength, durability, and resistance to wear and corrosion. Cast iron pulleys are known for their high strength and resistance to impact and shock loads. Metal alloys are preferred in heavy-duty applications where strength and durability are critical.

2. Aluminum: Aluminum is widely used in pulley manufacturing due to its lightweight nature and corrosion resistance. Aluminum pulleys are commonly used in applications that require reduced weight, such as automotive engines, aircraft components, and light-duty machinery. They offer good strength-to-weight ratio and are suitable for applications where weight reduction is a priority.

3. Plastic: Various types of plastics, including nylon, polyurethane, and high-density polyethylene (HDPE), are used to manufacture pulleys. Plastic pulleys are lightweight, corrosion-resistant, and offer good resistance to wear and abrasion. They are commonly used in applications where noise reduction, chemical resistance, or non-conductive properties are required. Plastic pulleys are frequently used in conveyor systems, packaging machinery, and small-scale equipment.

4. Composite Materials: Composite materials, such as fiberglass-reinforced plastic (FRP) and carbon fiber-reinforced polymer (CFRP), are utilized in the manufacturing of pulleys. These materials offer high strength-to-weight ratios, excellent resistance to corrosion, and good fatigue resistance. Composite pulleys are commonly used in industries such as aerospace, marine, and sports equipment, where lightweight components with exceptional strength are required.

5. Ceramics: In certain specialized applications, pulleys made of ceramics like aluminum oxide (alumina) or silicon nitride are used. Ceramic pulleys offer exceptional hardness, high temperature resistance, and excellent wear resistance. They are primarily used in industries such as semiconductor manufacturing, where extreme precision, chemical resistance, and resistance to high temperatures are crucial.

It’s important to note that the choice of material for pulley manufacturing depends on factors such as load capacity, operating conditions, environmental factors, and cost considerations. Manufacturers select materials that provide the necessary properties to meet the specific requirements of the application while considering factors such as strength, durability, weight, and cost.

China Best Sales Mining Machinery Parts Casting Iron Belt Pulley in Reducer   supplier China Best Sales Mining Machinery Parts Casting Iron Belt Pulley in Reducer   supplier
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