Product Description
AT industry is 1 supplier with more than 13 years experience on forging parts,Brass Parts,Auto Parts,Machining Parts
1.customized cnc machining part
2.OEM & ODM by customer design
3. Good appearance working
4. Complex CNC Parts
1.OEM & ODM by customer design
2.Product picture shown here just for reference, we never sell them to other customers
3.Custom-made according to customer’s drawings
4. Factory custom manufacture hight precision turning part
| Material | Steel, Zinc, Alunumin, Brass.Stainless steel. |
| Surface treatment | Nickel plating. Zinc plating, Chrome plating, Oxidation. Anodization |
| Tolerance | +/-0.01mm or +/- 0.0004″ |
| Thread Standard | NPT,BSP(G),M, GHT,UN,NPSM,BSPT(Tr),NPTF… |
| Quality control | 100% inspection on critical dimensions |
| Inspection equipment | Three axis meansuring machine for X.Y.Z. Projection meter. |
| Production output | 100000.000 pieces/ month |
| Productin range | Part ID from 2-500mm with tolerance +/-0.01mm |
| Experience | 12 years of professional OEM service |
| Supply chain process | PPAP |
| Ability | To develop hundreds of new parts annually. |
| Packaging | Standard export carton with palletized |
| Lead time | 35 days regularly |
| Term of Payment | T/T. L/C or Customer’s request |
ABOUT US:
A&T Industry is a contract manufacture and exporter of quality sand castings,
investment castings, lost foam castings, hot forgings, cold forgings, stampings,
machined parts, injectionmolded plastics parts, etc.
We are a dedicated team of customer focused industry professionals with
extensive experience in manufacturing, materials engineering,
quality assurance, logistics management and inventory control.
We utilize our experience and sources advantage to provide our customers
with cost effective and value based solutions to meet their engineering and
design needs while exceeding their quality and procurement requirements.
A&T Industry is located in HangZhou, a major seaport, Olympic Host City and
industrial center of China.
Assurance,
100% quality manufacturing.
We guarantee that our products meet your supplied specifications
Extremely competitive pricing
Delivery to your port or front door
4 —- 8 week lead times
We handle all paperwork
Partial container orders
Flexible payment options
Unique tooling options
Full range of packaging options from bulk to retail ready
Complete testing services available
FAQs
1. Where is your location?
We are located in HangZhou City of China and are closed to Airport. It takes 30minuts by car from Liuting Airport our company.
2. How long has the company been established?
AT INDUSTRY was established in 2009. There is 6 years exporting experiences.
3. How many employees do you have?
Administration / sales 4
Engineering / design as our partner 8
Production as our partners 120
Quality assurance / inspection 10
4. Which countries do you export to?
U.S.A, Germany, France, Italy, UK, Brazil, Middle east of Asia, Thailand,
5. What proportion of your goods are exported?
100% of our production are exported to all over the world.
6. How long does it take to receive samples?
a) Pattern:30-45days after order
b) Sample:30days after pattern finishing.
c) The lead time is the general production period and does not include the transportation time.
7. New product development process
Got tooling order and sample order with 50% deposit—Hold a meeting with the relation dept. to ensure the developing schedule—Design pattern, fixture and gauge and making them in our house—mold steel buying—Machining—Inspection—Send out the sample with initial inspection report.
8. How long is the manufacturing lead time?
Mass Production: 90days after sample approval by yours.
The lead time is the general production period including the transportation time.
We could make some special production arrangement effectively if customer has urgent need.
9. What basis can we buy goods?
We generally offer customers prices FOB& CIF (Carriage, Insurance & Freight). The CIF includes the freight cost to your nominated sea port.
We do provide clearance of goods which needs to be handled by a local freight forwarder.
All local costs and taxes are the responsibility of the buyer. We are happy to offer advisement on shipping if required.
10. What are the payment terms?
Payment terms are negotiable and will improve for long term customers.
During the initial stages, we request 50% of tooling fee in advance with the balance payable on acceptance of samples.
Production orders can be negotiable. We prefer 50% deposit and the balance by T/T before sails. But sometimes T/T 30 days after sails would also acceptable.
11. Which currency can we buy in?
We can deal in USD / Euro currency / GBP.
12. How long does it take to ship goods from China by sea?
It takes about 5 weeks to European ports plus 1 week customs clearance, so you can get the container within 6 to 7 weeks. It takes about 2 weeks to east coast and 3 weeks to west coast US ports. All sea goods are shipped from HangZhou Port.
13. How long does it take to ship goods from China by air?
It takes about 7 days to all major destinations.
14. Can we visit the factory to conduct an audit?
Yes, you are welcome to visit our partner factory by prior agreement.
15. How do we retain client confidentiality?
We are happy to CHINAMFG Confidentiality Agreements with customers and will honor them.
16. Which languages do we do business in?
Although we do business with many countries around the world, we can only communicate effectively in Chinese English.
All information supplied should therefore be supplied in this form.
17. Is there a minimum volume of business required to conduct international purchasing?
There are no minimum volumes, but the prices of the goods, plus the fixed costs of importing makes it more economical to buy in high volumes. All potential customers will be assessed on an individual basis to determine if it appears a viable option for all parties to develop a relationship.
18. What type of parts you are specialized in?
Our business contains 2 areas,
one is for construction precast including lifting system, rigging hardware metal parts.
Another is customized metal business of quality sand castings, investment castings, lost foam castings, hot forgings, cold forgings, stampings, machined parts, injectionmolded plastics parts, etc.
19. Which kind of equipments do you have?
Forging friction press 160Ton, 300Ton, 630Ton, 1200Ton
Casting CHINAMFG of 200kg, 500kg,1000kgs, 2000kgs
Press of 63ton, 120tons
CNC Machining center
CNC Vertical Lathe
CNC Lathe center
Boring machine
Drilling machine
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| Condition: | New |
|---|---|
| Certification: | CE, GS, ISO9001 |
| Standard: | DIN, GB |
| Customized: | Customized |
| Material: | Metal |
| Application: | Metal Recycling Machine, Metal forging Machinery, Metal Casting Machinery |
| Customization: |
Available
| Customized Request |
|---|
What are the maintenance requirements for belt pulleys in industrial settings?
In industrial settings, proper maintenance of belt pulleys is essential to ensure their optimal performance, longevity, and safe operation. Here’s a detailed explanation of the maintenance requirements for belt pulleys in industrial settings:
1. Regular Inspection: Belt pulleys should be inspected regularly to identify any signs of wear, damage, or misalignment. Inspect the pulleys for cracks, corrosion, excessive wear on the grooves, or any other visible abnormalities. Check for proper alignment by examining the position of the pulleys relative to each other and their corresponding belts. Regular inspections help detect issues early on and prevent further damage or failures.
2. Lubrication: Proper lubrication is crucial for the smooth operation of belt pulleys. Lubricate the pulley bearings according to the manufacturer’s recommendations. This helps reduce friction, heat generation, and wear on the bearings. Use the appropriate lubricant and follow the recommended lubrication intervals to ensure optimal performance and extend the life of the pulleys.
3. Tension Adjustment: Maintaining proper belt tension is vital for the efficient and reliable operation of belt pulleys. Check the tension of the belts regularly using the manufacturer’s guidelines or recommended tensioning devices. Adjust the tension as needed to ensure the belts are neither too loose nor too tight. Proper tensioning allows for effective power transmission, minimizes belt slippage, and reduces wear on the belts and pulleys.
4. Belt Replacement: Over time, belts may wear out or become damaged. Regularly inspect the belts for signs of wear, cracking, fraying, or excessive stretching. If any of these issues are present, replace the belts promptly with new ones of the correct size and type. Using worn or damaged belts can lead to reduced performance, increased risk of pulley damage, and potential system failures.
5. Cleaning: Keep the belt pulleys clean and free from debris, dust, and dirt that may accumulate over time. Use appropriate cleaning methods, such as brushing or compressed air, to remove any contaminants that could affect the pulley’s performance or the grip of the belts. Clean pulleys contribute to better belt traction, reduce the risk of slippage, and improve overall system efficiency.
6. Alignment Correction: Proper pulley alignment is crucial for efficient power transmission and to prevent premature wear. If misalignment is detected during inspections or if the belts are not running smoothly, take corrective measures to align the pulleys correctly. Use alignment tools, such as laser alignment devices, to ensure precise alignment of the pulleys. Proper alignment minimizes belt wear, reduces noise and vibration, and extends the life of the pulleys and belts.
7. Safety Measures: When performing maintenance on belt pulleys, always adhere to safety procedures. Follow lockout/tagout protocols to isolate the equipment from power sources before inspecting or working on the pulleys. Use appropriate personal protective equipment (PPE) to protect against potential hazards. Ensure that maintenance personnel are trained in safe maintenance practices and are familiar with the specific procedures for working with belt pulleys.
8. Record Keeping: Maintain a record of maintenance activities and inspections performed on belt pulleys. This includes dates of inspections, lubrication, tension adjustments, belt replacements, and any corrective actions taken. Keeping a maintenance log helps track the history of maintenance activities, identify recurring issues, and plan future maintenance tasks effectively.
In summary, the maintenance requirements for belt pulleys in industrial settings include regular inspections, proper lubrication, tension adjustment, belt replacement, cleaning, alignment correction, adherence to safety measures, and maintaining a maintenance record. By following these maintenance requirements, industrial facilities can ensure the optimal performance, longevity, and safe operation of belt pulleys, contributing to the overall efficiency and reliability of their industrial processes.
How does the size and design of a belt pulley impact its performance?
The size and design of a belt pulley have a significant impact on its performance in power transmission systems. The size refers to the dimensions of the pulley, such as its diameter and width, while the design encompasses factors like the groove profile, material selection, and overall construction. Here’s a detailed explanation of how the size and design of a belt pulley impact its performance:
1. Speed and Power Transmission: The size of a belt pulley directly affects the speed and power transmission capability of the system. A larger pulley diameter results in higher belt speeds and increased power transmission capacity. On the other hand, a smaller pulley diameter allows for slower speeds and reduced power transmission. The selection of an appropriate pulley size depends on the desired speed and torque requirements of the application.
2. Belt Tension and Grip: The size and design of a belt pulley influence the tension and grip between the belt and pulley. A larger pulley diameter increases the angle of wrap, which improves the belt’s grip on the pulley and enhances power transmission efficiency. Additionally, the width of the pulley affects the contact area with the belt, allowing for higher load-carrying capacity. Proper belt tension and grip are crucial for preventing belt slippage, maximizing power transfer, and ensuring reliable operation.
3. Speed Ratio: The size and design of the driving and driven pulleys determine the speed ratio between them. By selecting pulleys of different sizes or varying the number of grooves, the speed ratio can be adjusted. This is important in applications where specific speed requirements need to be met, such as in machinery that requires different operating speeds for various operations. The design of the pulleys, including the groove profile and pitch diameter, must be considered to achieve the desired speed ratio.
4. Belt Life and Wear: The size and design of a belt pulley can impact the life and wear characteristics of the belt. Improper pulley sizing or design can lead to excessive belt tension, uneven belt loading, or misalignment, resulting in premature wear and failure of the belt. A well-designed pulley with appropriate dimensions, smooth groove profiles, and proper alignment reduces belt stress and wear, prolonging the belt’s lifespan and reducing maintenance requirements.
5. Noise and Vibration: The size and design of a belt pulley can influence the noise and vibration levels in the power transmission system. Proper pulley size selection and design considerations, such as balancing the pulley, ensuring concentricity, and minimizing runout, help reduce vibration and noise generation. This improves overall system performance, operator comfort, and reduces the potential for component fatigue or damage.
6. Material Selection and Construction: The design of a belt pulley includes material selection and construction considerations. Different materials, such as steel, cast iron, aluminum, or composites, offer varying levels of strength, durability, and resistance to factors like corrosion or extreme temperatures. The design may also include features like hubs, keyways, or flanges, which enhance the pulley’s performance and facilitate proper installation and alignment in the system.
Overall, the size and design of a belt pulley play a crucial role in determining its performance in power transmission systems. Factors such as speed and power transmission capability, belt tension and grip, speed ratio, belt life and wear, noise and vibration levels, and material selection all depend on the proper sizing and design of the pulley. Attention to these factors ensures optimal performance, efficiency, and reliability in belt-driven applications.
What are the key components and design features of a belt pulley?
A belt pulley consists of several key components and incorporates specific design features to ensure efficient power transmission and reliable operation. Understanding these components and design features is essential for proper selection and utilization of belt pulleys in mechanical systems. Here’s an overview of the key components and design features:
1. Pulley Body: The pulley body is the main structure of the belt pulley. It is typically a wheel-shaped component made of materials such as cast iron, steel, or aluminum. The pulley body provides the necessary strength and rigidity to support the belt and transmit rotational motion.
2. Grooved Rim: The rim of the pulley body features a series of grooves or channels. These grooves accommodate the belt or rope, ensuring a secure engagement between the pulley and the transmission element. The groove profile can vary depending on the type of belt or rope being used.
3. Hub or Bore: The hub or bore is the central opening in the pulley body. It allows the pulley to be mounted and secured onto the shaft. The hub may have keyways, splines, or other features to ensure proper alignment and torque transfer between the pulley and the shaft.
4. Flanges: Flanges are raised edges or rims located on the sides of the pulley body, adjacent to the grooved rim. Flanges help guide and prevent the belt from slipping off the pulley during operation. They provide additional support and stability to the belt, ensuring reliable power transmission.
5. Tensioning Mechanism: Some belt pulley designs incorporate a tensioning mechanism. This mechanism allows for adjusting the tension in the belt to ensure proper engagement and prevent slippage. Tensioning mechanisms can include adjustable pulley halves, movable pulley arms, or other mechanisms that enable easy tension adjustment.
6. Idler Pulleys: In certain belt-driven systems, idler pulleys are used in conjunction with the main driving and driven pulleys. Idler pulleys are additional pulleys that do not transmit power but help guide and redirect the belt. They maintain the appropriate tension in the belt, improve belt wrap around the pulleys, and assist in achieving the desired belt path.
7. Surface Finish: The surface finish of a belt pulley is important for reducing friction and wear between the pulley and the belt. Smooth and properly finished surfaces minimize belt slippage and improve power transmission efficiency. The surface finish can be achieved through machining, grinding, or other methods depending on the material and application requirements.
8. Balancing: Balancing is a critical aspect of belt pulley design, especially for high-speed applications. Proper balancing ensures that the pulley rotates smoothly without causing excessive vibrations or premature wear. Unbalanced pulleys can lead to reduced system performance, increased noise, and potential damage to the pulley or other components.
9. Material Selection: The choice of material for a belt pulley depends on factors such as the application requirements, load capacity, operating conditions, and cost considerations. Common materials used for pulleys include cast iron, steel, aluminum, and composite materials. Each material offers specific advantages in terms of strength, durability, corrosion resistance, and weight.
In summary, a belt pulley consists of components such as the pulley body, grooved rim, hub or bore, flanges, tensioning mechanisms, and may include idler pulleys. Design features like surface finish, balancing, and material selection are crucial for optimal performance and longevity of the pulley. Understanding these key components and design features allows for the appropriate selection, installation, and maintenance of belt pulleys in mechanical systems.
editor by CX
2024-01-11