Product Description
About US
HangZhou CHINAMFG Co.,Ltd focus on developing and offering the most competetive riigging products for CHINAMFG clients with best service
1. Quality Assurance & Inspection
We guarantee the quality,not just because we have a complete rigorous management, production and inspection processes to control the quality and avoid detail mistake, but also we attach much importance to customers’ satisfactory of product quality. What’s more, Mill Test Certificate can be provided for general products, and most of our products are approved by CCS, ABS, DNV, BV, NKK, KR, LR, GL, RINA etc.
2. Efficiency
Your request is promised to be respond within1-12 hours. Our experienced sales team get technical support from our engineer team to ensure swift offer and good communication.
3. On Time Delivery
We have rigorous production schedule and professional follow-up process to control the production time. Clients will be informed about the production process in time. Besides, we cooperate with reliable logistic partners to assure the goods to be delivered to you punctually.
4. Customization
If you need customization service, our experienced engineers are able to design the product as per your request or application.
5. Product Range
All high-strength chains, lifting chains, double ring buckles, loader protective chains and rigging, accessories and technique solution can be offered.
6. After sales service
After shipping, we keep tracking the shipment, and once goods arrived, we will positively contact client for feedback.
Product Parameters
| Commodity | 8mm Blacken CHINAMFG Alloy Steel Short Link Lifting Chain |
| Size | 8mm |
| Surface Treatment | Blacken |
| MOQ | 500 meters |
| Supply Ability | 500 Tons per month |
| Delivery Time | Shipped in 30 Days After payment |
| Country Origin | China |
| Experience | More than 20 years exerpience in this area |
Detailed Photos
Lifting chain related standards:
Lifting chain application: high precision calibration chain, lifting chain
Material: high quality alloy steel
Surface: polished, blackened, dipped paint, hanging plastic, electroplating
Manufacturing standards: ISO3077, EN818-2, AS2321
Strength grade: 80 grade, 70 grade
Safety guarantee: 4 times safety factor, 4 times test load
Other products
Application
Company Profile
“Soliciting clients in earnest, Win reputation by quality.”For a long time, we attach great importance to the friendly cooperation with customers, ensure quality and service, cherish the honor, so as to win the trust and support of customers.Extensive cooperation with friends, sharing prosperity, has become our most sincere pursuit.
Our Advantages
1.BV, SGS Field Certification and Assessed Factory
2.Focused on rigging since 1999, have rich experience in Production.
3.Owned factory, the same quality product, the best price.
4.Timely Delivery with the support of 3000 square CHINAMFG workshop.
5.Numerous Patents in Rigging Hardware. Be Good at Custom-Made and Shaped Products.
6.Over 20 Professional Staff in Trading Team,Let you enjoy worry-free and effective communication.
Our products are all designed, manufactured, and assembled under strict quality control. We have the professional QC team to do inspecions. And we can offer favorable prices, good quality and 1 stop sourcing service.
FAQ
Q1: Are you a manufacturer or trading company?
A: HangZhou CHINAMFG Co., Ltd. was established in 1998, is a manufacturer of high-strength chains, lifting chains, double ring buckles, loader protective chains and rigging, with well-equipped testing equipment and strong technical force.
Q2: Can you provide OEM/ODM service?
We have cooperated with many big companies for OEM, but we also offer ODM service as we have our own R&D team with more than over 300 patents, CHINAMFG is the company integraed R&D, design, manufacturing, sales and service into a whole.
Q3: What is your MOQ?
Usually 100 pcs for each item.
Q4: Do you have certificates?
Yes, we have ISO9001, China Classification Society (CCS), British Register of Shipping (LR), Norwegian Register of Shipping (DNV) and other CHINAMFG classification societies
Q5: How do you control your quality?
a. We have cooperated with state-owned corporations for raw materials for many years, which can guarantee the quality of the original source.
b. Strictly execute standards like European EN, USA WSTDA, AUSTRALIA AS/NZ., etc.
c. Equipped with QC Dept. and a series of advanced testing devices for each shipment with test report. Any unqualified do not be allowed to ship.
d. All products have been insured by PICC(People’s Insurance Company of China) for the liability of quality.
Q6: How can I get samples?
We are honored to offer you sample(samll value), but clients are expected to pay for the courier cost.
Q7: What are your payment terms?
In general, payment terms is T/T 30% Deposit, 70% by the Copy of B/L.
Q8: How about your delivery time?
Delivery time will be within 15-20 works days days since the PI is confirmed and we receive the advance payment. We have specific production schedules from different divisions. We can see the stages once it procceds the order on our system.
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| Usage: | Transmission Chain, Drag Chain, Conveyor Chain, Dedicated Special Chain, Lifting Chain |
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| Material: | Alloy |
| Surface Treatment: | Polishing |
| Samples: |
US$ 1/Meter
1 Meter(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How do you calculate the required horsepower for a conveyor chain drive?
The calculation of required horsepower for a conveyor chain drive involves considering various factors related to the conveyor system and the specific application. Here is a step-by-step process:
1. Determine the Total Resistance:
– Calculate the total resistance that the conveyor chain needs to overcome during operation. This includes the resistance due to the load being conveyed, frictional losses, elevation changes, and any other resistances in the system.
2. Convert the Resistance to Equivalent Inertia:
– Convert the total resistance to an equivalent inertia by multiplying it by the square of the chain speed.
3. Calculate the Total Inertia:
– Determine the total inertia of the system by considering the inertia of all the rotating components, such as the conveyor chain, sprockets, and any other driven elements.
4. Determine the Required Torque:
– Calculate the required torque by multiplying the total inertia by the desired acceleration or deceleration rate.
5. Convert Torque to Horsepower:
– Convert the required torque to horsepower by dividing it by the motor speed (in RPM) and multiplying by a conversion factor.
6. Consider Safety Factors and Efficiency:
– Apply safety factors to the calculated horsepower to account for variations, contingencies, and future growth.
– Consider the efficiency of the drive system, including the motor, gearbox, and other transmission components, to ensure accurate power transmission.
It’s important to note that the above calculation method provides an estimate of the required horsepower. Consulting with conveyor system manufacturers, engineers, or industry-specific guidelines is recommended for precise calculations and to ensure the selected conveyor chain drive meets the application requirements.
How do you prevent corrosion in conveyor chains?
Preventing corrosion in conveyor chains is essential for maintaining their performance and prolonging their lifespan. Here are some effective measures to prevent corrosion:
1. Material Selection: Choose conveyor chains made from corrosion-resistant materials such as stainless steel, plastic, or coatings specifically designed to resist corrosion. These materials offer better protection against rust and corrosion compared to standard steel chains.
2. Proper Lubrication: Apply a suitable lubricant to the conveyor chain regularly. Lubrication creates a protective barrier that helps prevent moisture and contaminants from reaching the metal surface, reducing the risk of corrosion. Select a lubricant that provides corrosion protection properties and is compatible with the chain material.
3. Environmental Controls: Control the operating environment to minimize exposure to corrosive elements. Implement measures such as humidity control, proper ventilation, and protection from direct contact with water or chemicals. Consider using covers or enclosures to shield the conveyor chain from environmental factors that can accelerate corrosion.
4. Surface Treatments: Apply corrosion-resistant coatings or treatments to the conveyor chain. These coatings can provide an additional protective layer that acts as a barrier against moisture and corrosive substances. Examples of surface treatments include zinc plating, galvanizing, or epoxy coatings.
5. Regular Inspections and Cleaning: Regularly inspect the conveyor chain for signs of corrosion or damage. Remove any accumulated dirt, debris, or corrosive substances promptly. Cleaning the chain helps prevent the buildup of contaminants that can accelerate corrosion.
6. Preventive Maintenance: Implement a preventive maintenance program that includes regular cleaning, lubrication, and inspection of the conveyor chain. This proactive approach helps identify and address any potential corrosion issues early on, preventing further damage.
7. Proper Storage: When not in use, store the conveyor chains in a dry and controlled environment. Protect them from exposure to moisture, humidity, and corrosive substances. Use appropriate storage methods, such as hanging the chains or storing them in sealed containers.
By following these preventive measures, you can significantly reduce the risk of corrosion in conveyor chains, ensuring their optimal performance and longevity.
What are the signs of wear and tear in a conveyor chain?
Over time, a conveyor chain may experience wear and tear due to the demanding nature of material handling operations. Several signs indicate the need for maintenance or replacement of a conveyor chain. These signs of wear and tear include:
- Chain Elongation: One of the common signs of wear in a conveyor chain is elongation. As the chain wears, the pitch between the chain links gradually increases, resulting in a longer chain length. Excessive elongation can cause improper engagement with sprockets, leading to slippage or chain derailment.
- Chain Link Plate Wear: The link plates of a conveyor chain can experience wear on their surfaces. This wear is typically caused by friction against sprockets, guide rails, or other components. Signs of plate wear include thinning or deformation of the link plates, which can affect the overall strength and integrity of the chain.
- Sprocket Tooth Wear: The teeth of the sprockets that engage with the conveyor chain can also exhibit signs of wear. Over time, the teeth may become worn down, rounded, or have irregular shapes. This wear can cause improper chain engagement, resulting in reduced efficiency and potential chain slipping or skipping.
- Excessive Noise: Increased noise during the operation of the conveyor system can indicate wear and tear in the chain. Excessive wear can lead to metal-to-metal contact, resulting in noisy operation. Unusual squeaking, grinding, or rattling sounds are indicators that the chain may require inspection or maintenance.
- Visible Damage: Any visible damage to the chain, such as cracked or broken link plates, bent pins, or missing attachments, is a clear sign of wear and tear. These damages compromise the chain’s structural integrity and should be addressed promptly to prevent further issues or chain failure.
- Inconsistent Movement: If the conveyor chain starts to exhibit jerky or uneven movement, it may be a sign of wear or misalignment. Misalignment can occur due to worn chain links, damaged sprockets, or improper tensioning. Inconsistent movement can lead to reduced efficiency, increased wear, and potential chain failure.
Regular inspection and maintenance of the conveyor chain system are essential to identify these signs of wear and tear. Timely replacement of worn components and proper lubrication can help prolong the life of the chain and maintain efficient operation.
editor by CX 2024-04-12