Product Description
Products Description
Stainless steel chains are widely used in food processing, pharmaceutical, chemical production, rubber processing, non-ferrous metal smelting, electronic equipment, environmental protection equipment and heat treatment equipment and other fields of mechanical transmission and conveying equipment.
Traction chains are widely used in forklifts, CHINAMFG stackers, textile machinery, parking garages, drilling rigs, aerial work platforms, pipe benders, etc.
Conveyor chain is widely used in food, wood and paper, logistics, packaging machinery, building materials machinery, environmental protection equipment and other industries for material conveying
Drive chains are mainly used to transmit power and are widely used in agricultural machinery, construction machinery, escalator drive, logistics and packaging machinery industries.
Agricultural Machinery Chain
Agricultural machinery chains are mainly used in rice, wheat, corn, cotton and other agricultural machinery to provide driving and conveying functions to realize the mechanization of the whole process of agricultural production from plowing, sowing to harvesting.
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Product Paramenters
Company Profile
SFR Chain Group has been excelling at manufacturing and innovating motorcycle and industrial chain since 1991,always focusing on high quality and innovation to stay in the pole position of the industry.
SFR operates 4 fully owned factories and 1 joint venture, certified by ISO9002, ISO9001 and ISO/TS16949 Quality Management System.
SFR offers over 2000 series, which are exported to over 60 countries all over the World, and are widely used in variety of fields. Such as agricultural machines, motorcycles, metallurgy, wood processing, or food and beverage processing, among others. We at SFR Chain always adhere to the group’s spirit of integrity, efficiency and innovation:”We strive to offer the best products and service to our customers”
SFR is a global professional supplier focusing on chain drive solutions, with famous chain drive brands such as SFR, SUNFUN, MOTOMAX, EP and TVH.
Our commitment to R&D led SFR to establish atable cooperation with several ell-known universities and research institutes in China, as well as setting up an Intelligent Chain Drive Research Center within the group, altogether resulting in its more than 70 patents. This allows us to offer the widest range of power transmission and conveyor chain at the most competitive prices.
Since 1991, it has become a leading company in the chain industry with 5 production bases, about 110,000 square CHINAMFG of factory space, more than 180 patents, more than 2,000 chain varieties, more than 8,000 product specifications,exports to more than 80 countries worldwide. Products are widely used in many fields such as logistics and conveying, food industry, petroleum industry, engineering machinery, lifting equipment, packaging machinery processing, environmental protection equipment, tobacco machinery, etc.
Factory equipment
SFR will continue to increase the investment in manufacturing, R&D, follow the wave of Industry 4.0, continuously improve the company’s technology, product, marketing and brand power, enhance the company’s comprehensive strength, and provide customers with better chain drive solutions.
High-speed punching of industrial chain plates Automatic high-speed punching, high efficiency, high precision, and good sound insulation and environmental protection measures.
Motorcycle chain automatic assembly line The chain automatic assembly line integrates the processes of parts loading, chain assembly, automatic detection, pre-stretching, head riveting, and oiling to achieve the real automatic and efficient agricultural chain automatic assembly.
Automatic assembly line for agricultural chains Using the design of electromechanical integration, the mechanical mold and pneumatic and hydraulic parts are effectively combined together to realize the automatic assembly of complex structure chains.
Testing Machine
SFR Chain currently has 5 manufacturing plants covering over 50,000 square CHINAMFG and employing nearly 1,000 people. We bring in top talent and some of the manufacturing equipment used for manufacturing and inspection to provide the highest quality standards and create effective economies of scale.
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| Material: | Alloy |
|---|---|
| Structure: | Roller Chain |
| Surface Treatment: | Electroplating |
| Chain Size: | 1/2"*11/128" |
| Feature: | Heat Resistant |
| Tensile Strength: | 3.5-38.8kn |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

What are the advantages of using a roller chain over a cable or rope system?
Roller chains offer several advantages over cable or rope systems for power transmission. Here’s a detailed answer to the question:
1. Higher Efficiency: Roller chains provide a more efficient power transmission compared to cable or rope systems. They have lower friction losses, resulting in higher energy transfer and reduced power waste.
2. Precise and Reliable Motion: Roller chains offer precise and reliable motion control. They have minimal elongation and provide accurate positioning, making them suitable for applications that require precise speed and position control.
3. Greater Load Capacity: Roller chains have higher load-carrying capacity compared to cables or ropes of the same size. They can handle heavy loads and transmit high torque, making them suitable for applications that require robust power transmission.
4. Flexibility in Design: Roller chains offer flexibility in design and configuration. They can be easily customized to fit specific application requirements, such as different lengths, pitch sizes, and attachment options.
5. Durability and Longevity: Roller chains are known for their durability and long service life. They are constructed with high-quality materials and undergo heat treatment processes to enhance their strength and wear resistance, making them suitable for demanding industrial applications.
6. Maintenance and Replacement: Roller chains are relatively easy to maintain and replace. Lubrication and periodic inspection can help prolong their lifespan, and if a chain does wear out or break, it can be readily replaced with a new one, minimizing downtime.
7. Cost-Effective Solution: Roller chains are often a cost-effective solution for power transmission. They have a lower initial cost compared to some cable or rope systems and offer reliable performance over an extended period, resulting in lower maintenance and replacement costs.
While cable or rope systems have their own advantages in certain applications, roller chains excel in terms of efficiency, load capacity, precision, and durability, making them a popular choice for various industries, including manufacturing, automotive, agriculture, and more.

How do roller chains handle backstop or anti-reverse motion?
Roller chains are capable of handling backstop or anti-reverse motion through the use of specific chain attachments or additional components. Here’s a detailed answer to the question:
Backstop or anti-reverse motion is the ability of a system to prevent or control the reverse movement of a load. In applications where roller chains are required to handle backstop or anti-reverse motion, the following methods can be employed:
1. One-Way Clutch: A one-way clutch mechanism can be integrated into the system to allow the roller chain to transmit power in one direction while preventing reverse movement. This mechanism typically consists of a set of sprags or rollers that engage with the sprocket teeth in one direction and disengage in the reverse direction.
2. Ratchet and Pawl System: Another approach is the use of a ratchet and pawl system, where the roller chain is connected to a ratchet wheel with pawls that engage with the teeth of the wheel in one direction, allowing power transmission, and prevent reverse movement when the load tries to rotate in the opposite direction.
3. Overrunning Clutch: An overrunning clutch, also known as a freewheel, can be employed to allow the roller chain to transmit power in one direction and disengage in the reverse direction. This allows for smooth operation in applications where backstop or anti-reverse motion is required.
These mechanisms effectively enable the roller chain to handle backstop or anti-reverse motion by allowing power transmission in one direction and preventing reverse movement. The specific mechanism used depends on the application requirements and the desired level of control over the motion.
It’s important to consult the manufacturer’s guidelines and specifications when implementing backstop or anti-reverse motion in roller chain applications to ensure proper selection and installation of the appropriate mechanisms.

Can roller chains be used for vertical lifting applications?
Yes, roller chains can be used for vertical lifting applications in certain circumstances. However, it is important to consider various factors to ensure safe and efficient operation. Here’s a detailed answer to the question:
Roller chains are primarily designed for transmitting power and motion in horizontal or slightly inclined applications. When used for vertical lifting, additional considerations must be taken into account:
1. Load Capacity: Roller chains have a rated load capacity that indicates the maximum weight they can safely lift. It is crucial to select a roller chain with a sufficient load capacity for the specific lifting application. Factors such as the weight of the load, acceleration, and dynamic forces should be considered to ensure the chain can handle the load without excessive stress.
2. Safety Measures: Vertical lifting applications require appropriate safety measures to prevent accidents or chain failure. These may include the use of safety devices such as overload protection mechanisms, emergency stops, and redundant systems. Safety standards and regulations specific to the lifting industry should be followed to ensure compliance and mitigate potential hazards.
3. Lubrication and Maintenance: Proper lubrication is critical for the smooth and reliable operation of roller chains in any application, including vertical lifting. Regular lubrication and maintenance help reduce wear, friction, and the risk of chain failure. It is important to follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricant for the specific operating conditions.
4. Chain Tension: Maintaining proper chain tension is crucial for the safe and efficient operation of roller chains in vertical lifting applications. Adequate tension ensures proper engagement with the sprockets and minimizes the risk of chain slippage or disengagement. Regular inspection and adjustment of chain tension are necessary to ensure reliable performance.
While roller chains can be used for vertical lifting, it is important to consult with industry experts or engineers experienced in lifting applications to determine the suitability of roller chains for a specific vertical lifting task. They can provide guidance on selecting the appropriate chain size, design, and safety measures to ensure the lifting operation is safe, efficient, and compliant with applicable regulations.


editor by CX 2024-05-13