Product Description

 ASTM standard g70 chain with superior quality:
Size: 1/4–1/2

Material: Alloy steel, high tensile, heat treated.

Surface treatment: Galvanized, Black painted, Self color, Polishing, Powder coated

Color: Self color, Red , grey, green, as to your request

Application: Ship, iron and steel industry, petroleum chemical industry, coal mine

Technical Specification( ASTM G70 CHAIN):  

Nominal Size Actual Bar Size Inside Length Inside Width Weight per 100Feet Working Load Test load Breaking load
in in m/m in in Lb Kg Lb Kg Lb Lb
 1/4 0.281 7.1 0.86 0.45 84 38 3150 1430 6300 12600
  5/16 0.343 8.7 1.01 0.46 111 51 4700 2130 9400 18800
 3/8 0.394 10 1.1 0.55 150 68 6600 2990 13200 26400
  7/16 0.468 11.9 1.29 0.67 212 97 8750 3970 17500 35000
 1/2 0.521 13 1.55 0.72 238 108 11300 5130 22600 45200

 

 

MATERIAL
Alloy steel, high tensile, heat treated.

 

LIGHT WEIGHT
exquisite design, convenient use and safety testing.

 

PPLICATION
Ship, iron and steel industry, petroleum chemical industry, coal mine.

 

FAMOUS CERTIFICATION
Can apply for the certification of CCS, LR, DNV and other CHINAMFG classification societies.

 

SELF COLOR
Red , grey, green, as to your request


Founded in 1998, HangZhou CHINAMFG Co., Ltd., formerly known as Xihu (West Lake) Dis. Chain Factory, is located in Xihu (West Lake) Dis. Country of ZheJiang Province known as “The Gem ity of China”, and specializes in producing and marketing chain and rigging related products at home and abroad.Our company has independent import and export operating rights, and can handle the certifications of CCS, LR, DNV and other famous classification societies for products. Our products are sold to dozens of countries such as Europe, America and Middle East as well as more than 10 provincial and municipal regions in China, and are widely applied to the fields of ships, steel, petrochemical industry, coal mine, etc.In the principle of “Quality-honoring & Promise-keeping”, our company meets the requirements of all the customers through service innovation, changes the original production state through technical innovation, improves the product quality through process innovation, and continuously goes to standardization, elaboration, process and scientification through the business thought of constant innovation.Absolute CHINAMFG will move a heart of stone. Our company is willing to cooperate with domestic and foreign new/old customers in utmost sincerity, to create a common future! 


Packaging & Delivery

Packing details: 
Bulk packing
Packed in wooden cases
Packed in Iron drum, then in pallets
According to your requirements

Delivery Detail: Usually 30 days after receiving your irrevocable L/C or advance payment. 

 

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Usage: Drag Chain, Lifting Chain
Material: Alloy
Surface Treatment: Polishing
Samples:
US$ 1/Meter
1 Meter(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

drive chain

Can a drive chain be used in a HVAC or ventilation system?

Yes, a drive chain can be used in HVAC (Heating, Ventilation, and Air Conditioning) or ventilation systems where reliable and efficient power transmission is required. Here is a detailed explanation:

HVAC and ventilation systems utilize various components such as fans, blowers, dampers, and louvers to control air flow, temperature, and humidity in residential, commercial, and industrial buildings. Drive chains offer several advantages in these applications:

  • Reliable Power Transmission: Drive chains provide reliable power transmission for HVAC and ventilation systems. They are capable of transmitting power over long distances, accommodating various speeds and torque requirements, and operating in different directions of rotation.
  • Flexible System Design: Drive chains offer flexibility in system design and layout. They can be easily configured to connect and drive multiple components, such as fans, motors, and dampers, allowing for efficient control and adjustment of air flow and system performance.
  • Accurate Speed Control: Drive chains allow for precise speed control in HVAC systems. By using sprockets of different sizes or incorporating variable speed drives, the rotational speed of fans or blowers can be adjusted to achieve the desired air flow rates and maintain optimal environmental conditions.
  • High Load Capacity: HVAC and ventilation systems often require components to handle significant air volumes and pressure differentials. Drive chains are designed to handle high loads and transmit power effectively, ensuring reliable operation of fans, blowers, and other equipment.
  • Durability and Longevity: Drive chains are engineered to withstand the demanding conditions of HVAC and ventilation systems. They are designed to resist wear, corrosion, and fatigue, ensuring durability and long service life even in continuous or high-cycle operations.
  • Quiet Operation: Drive chains, when properly lubricated and maintained, can operate quietly in HVAC systems, minimizing noise and vibration levels. This is crucial for maintaining a comfortable and noise-free environment in residential, commercial, or institutional settings.

When selecting a drive chain for HVAC or ventilation applications, factors such as load capacity, speed requirements, environmental conditions (such as temperature and humidity), and maintenance considerations should be taken into account.

Regular inspection, lubrication, and tension adjustment are important for ensuring the optimal performance and longevity of the drive chain in HVAC and ventilation systems.

By utilizing drive chains in HVAC and ventilation systems, operators can benefit from reliable power transmission, flexible system design, accurate speed control, high load capacity, durability, longevity, and quiet operation, contributing to efficient and effective air conditioning and ventilation in various building environments.

drive chain

How does the backlash or play in a drive chain affect its performance?

The presence of backlash or play in a drive chain can have a significant impact on its performance and overall operation. Here is a detailed explanation:

Backlash or play refers to the small amount of free movement or clearance between the engaged components of a drive chain, typically between the chain and the sprockets. This clearance can lead to several performance-related issues:

  • Reduced Accuracy: Backlash can cause a loss of accuracy and precision in the positioning and movement of the driven components. The presence of free play can result in inconsistent positioning, leading to inaccuracies in machine operations or product quality.
  • Loss of Power and Efficiency: Backlash causes a loss of power transmission efficiency. As the chain engages with the sprockets, any free movement or clearance reduces the effective transfer of power, resulting in decreased efficiency and potential energy loss.
  • Vibration and Noise: Backlash can lead to vibration and noise during operation. The free movement of the chain can cause rattling, knocking, or banging sounds, as well as vibration, which can affect the overall system performance and operator comfort.
  • Potential for Chain Skipping or Jumping: Excessive backlash can cause the chain to skip or jump on the sprockets, leading to interrupted or irregular power transmission. This can result in sudden jerks, misalignment, or even chain derailment, affecting the overall system performance and potentially causing damage to the chain or other components.
  • Decreased System Response: Backlash affects the responsiveness of the system. When there is excessive play, the system may not respond quickly or accurately to changes in input or commands. This can be problematic in applications requiring precise and immediate movement or control.

To mitigate the negative effects of backlash, it is important to minimize or control the clearance within the drive chain system. This can be achieved through proper chain tensioning, sprocket alignment, and the use of anti-backlash devices or mechanisms.

Regular inspection and maintenance are crucial to identify and address any excessive backlash in the drive chain. Maintaining proper tension, lubrication, and periodically checking and adjusting the sprocket alignment can help minimize the backlash and ensure optimal chain performance.

It is essential to consult with the manufacturer’s guidelines and recommendations for the specific drive chain system to determine the acceptable levels of backlash and the appropriate measures to reduce its impact on performance.

By minimizing backlash or play in a drive chain, operators can ensure accurate power transmission, improved efficiency, reduced noise, and vibration, ultimately leading to better overall system performance and productivity.

drive chain

How do you properly tension a drive chain?

Tensioning a drive chain properly is important to ensure optimal performance, minimize wear, and prevent premature failure. Here are the steps to properly tension a drive chain:

  1. Identify the Tensioning Method: Determine the type of tensioning system used for your specific drive chain. Common tensioning methods include manual adjustment, automatic tensioners, or tensioning devices incorporated into the chain drive system.
  2. Refer to Manufacturer’s Guidelines: Consult the manufacturer’s guidelines or specifications for the recommended tensioning range and procedure specific to your drive chain. Manufacturers often provide specific instructions regarding the appropriate tensioning method and the acceptable slack or sag limits.
  3. Measure the Initial Tension: Measure the initial tension of the drive chain. This can be done using a tension gauge or by applying manual force to the chain at a specific point and measuring the deflection or sag. Ensure that the initial tension is within the recommended range specified by the manufacturer.
  4. Adjust Tension: If the initial tension is outside the recommended range, adjust the tension accordingly. For manual tensioning systems, typically a tensioning device, such as an adjusting bolt or eccentric cam, is used to increase or decrease the tension. Follow the manufacturer’s instructions for the specific adjustment mechanism.
  5. Check Alignment: While tensioning the chain, ensure that it remains properly aligned on the sprockets. Misalignment can cause uneven wear and premature failure. Make any necessary alignment adjustments as per the manufacturer’s recommendations.
  6. Recheck Tension: After tension adjustment and alignment, recheck the tension to ensure it falls within the recommended range. Use a tension gauge or follow the manufacturer’s guidelines for measuring the tension. Repeat the adjustment process if necessary.
  7. Verify Operation: After tensioning, operate the machinery or system with the tensioned chain and observe its performance. Check for any abnormal noise, vibration, or unusual wear patterns. If any issues persist, reevaluate the tensioning and alignment.

It is important to note that proper tensioning may require periodic rechecks and adjustments over time as the chain elongates or wears. Regular maintenance and inspections will help ensure the drive chain remains properly tensioned and aligned for optimal performance and longevity.

China Standard Wholesale Custom High Quality Mining Conveyor Drive Chain Steel Sprocket Mining Chain  China Standard Wholesale Custom High Quality Mining Conveyor Drive Chain Steel Sprocket Mining Chain
editor by CX 2024-03-27