-HangZhou CHOHO Industrial Co., Ltd. was founded in 1999. Has become the leader of chain system technology, the first batch of natioal recognized enterprise technology center,national technology innovation demonstration enterprise,and the first A-share listed company in China’s chain drive industry.The securities code is 003033.
-CHOHO has 4 subsidiaries, including testing technology and international trading companies. has 4 factories in HangZhou, Thailand factory, ZheJiang R&D Center and Tokyo R&D Center. In addition, CHOHO ZHangZhoug Industrial zone is expected to be completed & put into operation next year.
-We specialized in producing all kinds of standard chains and special chains, such as Agricultural Chain, Sprocket, Chain Harrow, Tillage Parts,Rice Harvester Chain, GS38 Chain, Roller Chain, Automobile Chain, Motorcycle Chain Industrial Chain and so on.Our partners among world top enterprises, such as LOVOL,NEWHOLLAND, CLASS,AGCO,DEUTZFAHR,HONDA, KUBOTA etc.
Production Capacity Equipment
By 2571,CHOHO has more than 2,700 sets of main production equipment and more than 600 sets of high-precision equipment,With the domestic advanced product laboratory and chain production assembly line, CHOHO has strong research and development and testing capabilities for high-end chain products.
1. Any inquiry you make will be answered professionally within 6~8 hours.
2. Attaches great importance to product quality and approved by many global quality system certification,such as France, Norway, Germany.
3. Focused on Chain since 1999, have rich experience in Production.
4. High-quality workers,First-class advanced equipment,good quality control,advanced technology.
5. Be Good at Custom-Made Products, provide customized services for customers.
6. Participated in the drafting of 24 national and industrial standards such as chains.As of 2571-Mar, CHOHO has 180 authorized patents.
7. With the responsibility of “Providing high quality chain system with the same service life for the global locomotive industry”, have established a strong R&D team.
CHOHO has a natural brand awareness. As of January 2571, CHOHO has registered the “CHOHO” trademark in more than 60 countries, including the United States, Japan, the United Kingdom, France, Germany, Russia, Spain, Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Greece , Hungary, Ireland, Italy, Netherlands, Poland, Portugal, Romania, Ukraine, Sweden, Australia, Algeria, Egypt, Kenya, Morocco, South Korea, Kazakhstan, Mongolia, Syria, Thailand, Pakistan, India, Brazil, Mexico, Colombia, etc.
|— Ten CoreTechnologies —|
|1||Chain strengh preload technology||2||Pin CRV treatment technology|
|3||Plate smoothly punching technology||4||Bush oil hole technology|
|5||Vacuum Oiled Technology||6||Precision Punching Technology|
|7||Low frequency fatigue test technology for lange size chain||8||Chain length comparison technology|
|9||Variation of silence design technology||10||Chain dynamic testingtechnology technologies|
CHOHO attaches great importance to product quality and approved by many global quality system certification, such as France, Norway, and Germany. Through the establishment of a sophisticated production management process and quality control system, the entire product process control is achieved. With the introduction of advanced production, processing, and testing equipment, CHOHO has internationally leading full-process quality control capabilities to provide customers with high-quality products.
Choho Provide Chain System Solutions for The Global Top 500 and The Enterprises in Various Fields Top 10!
Broad Customer Channels Market Continues to Develop!
CHOHO has been invited to participate in domestic & international agricultural machinery exhibitions, such as Hannover Messe, Bologna Fair, Canton Fair ,VIV ASIA and so on!
Packaging & Shipping
|Packaging Details:||Chain+Plastic Bag+Neutral Box+Wooden case+Big Carton+Steel Pallets or Customization|
1. Are you manufacturer or trade Company?
We are a factory focused on producing and exporting Chain over 23 years,have a professional international trade team.
2. What terms of payment you usually use?
T/T 30% deposit and 70% against document, L/C at sight
3. What is your lead time for your goods?
Normally 30~45 days.Stock can be shipped immediately.
4. Do you attend any Show?
We attend Hannover show in Germany, EIMA in Italy, CZPT in France, CIAME in China and many other Agricultural machinery shows.
5.Do you offer free samples?
Yes,we can.or you just bear the shipping cost.
6.Is OEM available?
Yes, OEM is available. We have professional designers to help you design.
Estimated freight per unit.
|To be negotiated|
|Standard or Nonstandard:||Standard|
|Application:||Conveyer Equipment, Agricultural Machinery|
How does the lubricant selection affect the performance of a drive chain?
The selection of the proper lubricant plays a critical role in the performance and longevity of a drive chain. Here is a detailed explanation:
Lubrication is essential for maintaining the smooth operation and reducing the wear and friction between the chain’s moving parts. The lubricant creates a protective film that reduces metal-to-metal contact and prevents excessive heat generation. The lubricant selection affects the drive chain’s performance in the following ways:
- Reduced Friction and Wear: The primary function of lubrication is to reduce friction between the chain’s components. A well-chosen lubricant minimizes metal-to-metal contact, reducing wear and extending the chain’s lifespan. It helps to prevent premature failure and ensures the efficient transfer of power throughout the chain.
- Enhanced Load Capacity: Proper lubrication reduces the stress on the chain by creating a lubricating film that cushions the contact between the pins, bushings, and rollers. This improves the chain’s load-carrying capacity, allowing it to handle heavier loads and resist elongation or deformation under high loads.
- Corrosion Protection: Some lubricants are formulated with additives that provide corrosion protection. These lubricants create a barrier that shields the chain from moisture, chemicals, and environmental contaminants, reducing the risk of corrosion and extending the chain’s life in harsh or corrosive environments.
- Temperature Stability: Different lubricants have varying temperature ranges in which they can effectively perform. The lubricant selection should consider the operating temperatures of the application. High-temperature lubricants are designed to withstand elevated temperatures without breaking down or evaporating, ensuring proper lubrication even in hot environments.
- Reduced Noise and Vibration: Proper lubrication contributes to smoother and quieter chain operation. It helps to minimize noise and vibration caused by metal-to-metal contact, resulting in a quieter working environment and improved operator comfort.
- Contamination Control: Lubricants can also play a role in controlling contaminants that may enter the chain system. Some lubricants have properties that resist the accumulation of dust, dirt, or other particles, helping to keep the chain clean and preventing abrasive wear.
The lubricant selection should consider various factors, including the application’s operating conditions, load requirements, temperature range, speed, and compatibility with the chain material. Manufacturers often provide lubrication recommendations based on these factors.
Regular lubrication maintenance is essential to ensure the continued performance of the drive chain. Lubrication intervals should be followed, and the lubricant should be replenished or replaced as recommended by the manufacturer or based on inspection and monitoring of the chain’s condition.
By selecting the appropriate lubricant and implementing proper lubrication practices, operators can ensure optimal chain performance, reduce wear and friction, extend chain life, and minimize maintenance requirements in various industrial applications.
How does a drive chain handle shock loads and sudden changes in torque?
A drive chain is designed to handle shock loads and sudden changes in torque to ensure reliable power transmission. Here is a detailed explanation:
Drive chains are built to withstand varying operating conditions and handle dynamic forces effectively. When subjected to shock loads or sudden changes in torque, several factors contribute to the chain’s ability to handle these situations:
- Chain Strength: Drive chains are designed to have high tensile strength and load-carrying capacity. This enables them to withstand sudden increases in torque or shock loads without experiencing failure or elongation.
- Material and Construction: The material and construction of the chain play a crucial role in its ability to handle shock loads. Chains made from high-quality alloy steels or specialty materials are capable of absorbing and distributing the forces generated during sudden torque changes or shock events.
- Design Features: Drive chains incorporate design features that enhance their ability to handle shock loads. These features include specially shaped link plates, precision manufacturing tolerances, and surface treatments to improve fatigue resistance and reduce stress concentrations.
- Tensioning and Slack Elimination: Proper tensioning of the drive chain is important to minimize the potential for slack and excessive movement during shock loads. Tensioners or tensioning systems are commonly employed to maintain proper tension and prevent chain slack, ensuring smooth power transmission.
- System Damping: The overall system design and components can contribute to damping the effects of shock loads. By incorporating shock-absorbing elements, such as dampers, couplings, or flexible mounts, the impact of sudden torque changes can be mitigated, reducing the stress on the drive chain.
- Regular Maintenance: Regular inspection, lubrication, and maintenance of the drive chain are crucial to identify any signs of wear, fatigue, or damage that may compromise its ability to handle shock loads. Prompt replacement of worn or damaged components is necessary to maintain the chain’s performance and prevent unexpected failures.
While drive chains are designed to handle shock loads and sudden changes in torque, it is important to consider the specific application requirements and consult with experts or manufacturers to ensure proper chain selection and installation. Adhering to recommended maintenance practices will help maximize the chain’s ability to handle shock loads and ensure reliable and durable power transmission.
What are the noise and vibration levels associated with a drive chain?
The noise and vibration levels associated with a drive chain can vary depending on several factors, including the type of chain, operating conditions, and maintenance practices. Here’s an explanation:
- Drive chains, especially roller chains, can generate noise during operation. The noise level depends on various factors, such as the chain’s design, speed, tension, lubrication, and the condition of the sprockets.
- Proper lubrication helps reduce friction and noise generation, while inadequate or dry lubrication can increase noise levels.
- Other factors, such as misalignment, worn-out components, or loose fittings, can contribute to increased noise levels. Regular inspections and maintenance help identify and address sources of excessive noise.
- Drive chains can produce vibrations during operation, especially if there are issues such as misalignment, improper tension, or worn-out components.
- Proper tensioning, alignment, and maintenance practices help minimize vibrations and ensure smooth operation.
- Excessive vibrations can lead to accelerated wear, reduced chain life, and potential damage to other components.
It’s worth noting that advancements in chain design and manufacturing techniques have resulted in quieter and smoother-running chains. Manufacturers may also offer specialized low-noise or low-vibration chains for applications where noise or vibration reduction is a priority.
To maintain acceptable noise and vibration levels associated with a drive chain, it is important to follow proper maintenance practices, including regular lubrication, tension adjustment, and alignment checks. Additionally, addressing any sources of excessive noise or vibration promptly can help ensure the smooth and efficient operation of the drive chain.
editor by CX 2023-08-29