Product Description
ZheJiang Machinery & Equipment Import & Export Corp.(HBMEC), founded in 1978, is a combination of industry and trade, technology and trade of the state-owned professional foreign trade company. After more than 40 years of reform and development, our company has made remarkable achievements in its import and export business, and has established trade relations with more than 100 countries and regions.
Our products and Services as following, including:
—–Various kinds of machinery and parts, especially raw castings and finished machined parts, fabrications. The filed covers: Fittings and couplings. Auto parts, Trailer parts, Agricultural machinery parts, Railway parts, Crusher parts, Pump parts, Valve parts,etc.
—- Steel/Stainless steel fabricated parts, rubber gaskets and plastic parts. The process covers: Laser cutting, Punching, Stamping,Welding, etc For construction, industrial supply etc.
—Other products processed according to your drawings and samples, .
We provide following services:
—-Buying & Sourcing Agent, mainly in Machinery & Equipments & Spare parts filed.
—-Import & Export Agent service.
We know OEM and customer requirements well. We are Professional OEM spare parts provider for industrial supply, can be used in the food machinery industry, packaging machinery industry.
We have a professional team, including engineers and mechanical engineering, responsible for supervising production and quality control. Being an ISO9001 certified company, with our quality control system, you can get high quality products with fairly low costs.
Welcome to contact us freely!
– PRODUCT DETAILS –
| Product name | Machining parts, Timing Pulley, Drive Pulley, Film Reel Drive Pulley, Pulley, Carbon Steel Pulley, Sintered Steel Pulley | |
| Material | Carbon Steel, Sintered Steel | |
| Production Capacity | 3000PCS /Month | |
| Application | Our products are widely used in mechanical components parts for Industrial | |
| Specification | According to customer’s drawing or sample. | |
| Services | OEM, design, customized | |
| Tolerance | According to Drawing | |
| Surface treatment | – Passivation – Polishing – Sand blasting – Electroplating(color, blue, white, black zinc, Ni, Cr, tin, copper, silver) – Hot-dip galvanizing – Black oxide coating – Electrophoresis – Heat-disposing(Normalizing, Annealing, Quenching, Tempering, etc.) – Spray-Paint – Rust preventive oil |
|
| MOQ | 100 piece | |
| Package | Plastic, Carton, Wooden Box | |
| Samples | We can make sample. | |
| Certificate | ISO9001: 2008 quality management system certificate | |
| Payment Terms | Bank Transfer | |
| Delivery time | Subject to negotiation date | |
| Shipping Port | ZheJiang | |
– HONOR & QUALIFICATION –
Since 2000, we have been maintaining certification, standardizing the company’s business activities in accordance with the requirements of quality management system standards, and taking increasing customer satisfaction as our business purpose.
– FACTORY –
– PACKAGE & SHIPPING –
Packaging steps:
Each piece put in on carton box, wood case, Plastics Packaging, pallet, etc.
Mode of shipping:
Shipping by air, sea or car.
By sea for batch goods;
Customs specifying freight forwarders or negotiable shipping methods.
– OUR SERVICES –
1. Could make product for customer according to customer samples or drawings.
2. Can deal with various drawings soft wares: PRO/E, Auto CAD, Slid Work, UG, etc.
3. Could offer samples for free if the sample is simple and low value.
4. Submit samples with official inspection reports including material report,mechanical property report and dimensional report.
5. Can provide the third party inspection report.
6. Could provide at least 1 year quality guarantee after customer receives the products.
7. We could supply storage service for customer if required.
– FAQ –
Q1. How can we quote for you?
Please send us enquiry by email, with all the technical drawings you have. Such as material grade, tolerance, machining demands, surface treatment, heat treatment, mechanical property requirements, etc. Our specialized engineer will check and quote for you, we would appreciate the opportunity and will respond in 3-5 working days or less.
Q2. How can I get a sample to check your quality?
After price confirmed, you can requiry for samples to check quality.
If you need the samples, we will charge for the sample cost.
But the sample cost can be refundable when your quantity of first order is above the MOQ.
Q3. Can you do OEM for us?
Yes, the product packing can be designed as you want.
Please feel free to contact us if you have any question.
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| Application: | Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory |
|---|---|
| Standard: | GB |
| Surface Treatment: | According to Customer′s Drawing or Sample. |
| Production Type: | Batch Production |
| Machining Method: | CNC Machining |
| Material: | Steel |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Can pulleys be used in both simple and complex mechanical systems?
Yes, pulleys can be used in both simple and complex mechanical systems. Pulleys are versatile mechanical devices that can be incorporated into a wide range of systems to transmit power, change direction, or provide mechanical advantage.
In simple mechanical systems, pulleys are often used to create a mechanical advantage by reducing the effort force required to lift or move a load. For example, a simple pulley system with a single fixed pulley can distribute the load’s weight over multiple strands of rope or cable, reducing the force needed to lift the load. Simple pulley systems are commonly used in applications such as flagpoles, well buckets, or manual hoists.
In more complex mechanical systems, pulleys can be part of intricate arrangements to achieve specific functions. They can be combined with multiple pulleys, belts or ropes, and other mechanical components to create complex systems for power transmission, tensioning, or precise control. Examples of complex systems that utilize pulleys include conveyor belt systems, industrial machinery, cranes, and elevators.
Pulleys offer several advantages in both simple and complex mechanical systems:
1. Mechanical Advantage: Pulleys can provide a mechanical advantage by distributing the load’s weight over multiple strands of rope or belt, reducing the effort force required to lift or move the load.
2. Direction Change: Pulleys can change the direction of the force applied, allowing for redirection of motion or routing of belts or ropes around obstacles.
3. Speed Adjustment: By adjusting the size of pulleys and the number of pulley systems, the speed of the output motion can be modified relative to the input motion.
4. Power Transmission: Pulleys are effective in transmitting power between shafts or components, allowing for the transfer of rotational motion and torque.
5. Versatility: Pulleys can be used with different types of belts or ropes, such as flat belts, V-belts, timing belts, or wire ropes, providing flexibility in design and application.
Whether in simple or complex mechanical systems, the selection, arrangement, and sizing of pulleys should be carefully considered to ensure proper functionality, efficiency, and safety. Manufacturers’ guidelines, engineering principles, and best practices should be followed when incorporating pulleys into mechanical systems.
How do pulleys work in garage door openers and winches?
Pulleys play a crucial role in both garage door openers and winches, enabling the smooth and efficient operation of these devices. They provide mechanical advantage, facilitate load lifting and lowering, and contribute to the overall functionality and safety of garage door openers and winches. Here’s how pulleys work in each of these applications:
1. Garage Door Openers:
In a typical garage door opener system, pulleys are used in conjunction with a motor, drive belt or chain, and a set of cables or torsion springs. The pulleys are mounted on the garage door’s torsion bar or header, and the cables or springs are connected to the bottom of the door. Here’s how the pulleys work in a garage door opener:
– Motor and Drive Mechanism: The motor drives a pulley or sprocket, which is connected to a drive belt or chain. As the motor rotates the pulley, the drive belt or chain moves, transferring rotational motion to another pulley or sprocket mounted on the torsion bar.
– Torsion Bar and Cables: The torsion bar, equipped with a pulley, is located above the garage door. The cables are threaded through the pulleys and attached to the bottom of the door on each side. When the motor rotates the torsion bar pulley, the cables move, causing the garage door to open or close.
– Mechanical Advantage: By using pulleys, the garage door opener system creates a mechanical advantage. The arrangement of the pulleys and cables or springs helps distribute the load, making it easier for the motor to lift the heavy garage door. This mechanical advantage reduces the strain on the motor and ensures smooth and controlled movement of the door.
2. Winches:
Pulleys are also integral components of winches used for lifting and pulling heavy loads. Winches consist of a drum or spool around which a cable or rope is wrapped, and pulleys are used to guide and redirect the cable or rope. Here’s how pulleys work in a winch:
– Load Lifting: The cable or rope is wound around the winch drum, and one end is attached to the load to be lifted or pulled. The other end is connected to a fixed point or a secondary pulley system. As the winch drum rotates, the cable or rope is wound or unwound, allowing the load to be lifted or lowered.
– Pulley Systems: Pulleys are used in winches to redirect the cable or rope, providing a mechanical advantage and ensuring smooth movement. Additional pulleys may be employed to create a block and tackle system, further increasing the mechanical advantage and the winch’s lifting capacity.
– Control and Safety: Winches often incorporate braking systems and clutches to control the movement and secure the load. Pulleys play a role in these control mechanisms, helping to regulate the winch’s speed and provide reliable stopping and holding power.
Overall, pulleys are essential components in garage door openers and winches, enabling the smooth and controlled movement of heavy loads. They provide mechanical advantage, facilitate load lifting and lowering, and contribute to the efficiency and safety of these devices.
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.
editor by CX
2024-03-28
