Description
Coupling chains are mechanical components used in metal roller chains. These elements feature sprockets that are identical at each end, serving to correct alignment discrepancies. They find utility across a range of applications, particularly in low-speed, high-torque scenarios. As a cost-effective solution for transmitting power between two shafts, chain couplings are engineered to tolerate misalignments of up to 2 degrees. Additionally, they are well-suited for environments where lubricants such as grease and oils are in use.
Coupling Chains Size Chart
| Chain No. | Pitch (P) mm | Roller diameter (d₁) max mm | Width between inner plates (b₁) min mm | Pin diameter (d₂) max mm | Pin length (L) max mm | Pin length (Lc) max mm | Inner plate depth (h₂) max mm | Plate thickness (T) max mm | Ultimate tensile strength (Q) min kN/lbf | Average tensile strength (Q₀) kN | Weight per meter (q) kg/m |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 06BF27 | 9.525 | 6.35 | 18.80 | 3.28 | 26.5 | 28.2 | 8.20 | 1.30 | 9.00/2045 | 9.63 | 0.770 |
| 06BF31 | 9.525 | 6.35 | 16.40 | 3.28 | 23.4 | 24.4 | 8.20 | 1.30 | 9.00/2045 | 9.63 | 0.660 |
| 08AF36 | 12.700 | 7.95 | 21.70 | 3.96 | 30.8 | 32.1 | 12.00 | 1.50 | 13.80/3135.36 | 16.20 | 1.070 |
| 08BF97 | 12.700 | 8.51 | 15.50 | 4.45 | 24.8 | 26.2 | 11.80 | 1.60 | 18.00/4989.6 | 19.20 | 0.980 |
| 10AF13 | 15.875 | 10.16 | 16.31 | 5.08 | 27.6 | 29.1 | 15.09 | 2.03 | 22.20/5045 | 27.50 | 1.350 |
| 12AF2 | 19.050 | 11.91 | 19.10 | 5.94 | 32.6 | 34.4 | 18.00 | 2.42 | 31.80/7227 | 38.20 | 1.900 |
| 12AF6 | 19.050 | 11.91 | 18.80 | 5.94 | 31.9 | 33.5 | 18.00 | 2.42 | 31.80/7227 | 38.20 | 1.870 |
| 12AF26 | 19.050 | 11.91 | 19.36 | 5.94 | 31.9 | 33.5 | 18.00 | 2.42 | 31.80/7227 | 38.20 | 1.940 |
| 12AF54 | 19.050 | 11.91 | 19.50 | 5.84 | 31.9 | 31.9 | 18.00 | 2.29 | 31.10/7066 | 38.20 | 1.607 |
| 12AF34 | 19.050 | 11.91 | 19.00 | 5.94 | 31.9 | 31.9 | 18.00 | 2.42 | 31.10/7066 | 38.20 | 1.860 |
| 16AF25 | 25.400 | 15.88 | 25.58 | 7.92 | 42.4 | 43.9 | 24.00 | 3.25 | 56.70/12886 | 63.50 | 3.260 |
| 16AF40 | 25.400 | 15.88 | 70.00 | 7.92 | 87.6 | 91.1 | 24.00 | 3.25 | 56.70/12886 | 63.50 | 5.780 |
| 16AF46 | 25.400 | 15.88 | 36.00 | 7.92 | 53.3 | 56.8 | 24.00 | 3.25 | 56.70/12886 | 63.50 | 3.880 |
| 08BF129 | 12.700 | 8.51 | 35.80 | 4.45 | 45.1 | 46.1 | 11.80 | 1.60 | 18.00/4989.6 | 19.02 | 1.500 |
| *10BF43 | 15.875 | 7.03 | 27.80 | 5.08 | 39.0 | 40.6 | 14.70 | 2.03 | 22.40/5090 | 25.76 | 1.140 |
| *10BF43-S | 15.875 | 10.00 | 27.80 | 5.08 | 39.0 | 40.6 | 14.70 | 2.03 | 22.40/5090 | 25.76 | 1.800 |
| 10BF21 | 15.875 | 10.16 | 42.83 | 5.08 | 52.7 | 54.1 | 14.70 | 1.70 | 22.00/5000 | 25.30 | 2.260 |
What is a Coupling Chain?
Coupling chains play a vital role in rotating machinery, facilitating the movement of substantial loads, which proves invaluable in industries such as mining, agriculture, and metalworking. Although roller chains are the most prevalent variety, coupling chains enhance the durability of roller chains by bolstering their tensile strength and load-bearing capacity.
These couplings consist of two identical sprockets linked by a double roller chain. While plastic chains can also be employed, they lack the need for lubrication and do not feature a protective cover. Typically, these drive chains are mounted at the ends of motors or gear reducers, connecting them to machinery. A complete coupling assembly includes two hubs and the coupling chain itself. Depending on the operational environment, chain couplings can be tailored, with materials such as grease-resistant acetal plastic for specific applications.
Coupling chains are renowned for their low maintenance and straightforward installation or disassembly, offering a commendable balance between cost and performance. They come in various sizes and are generally positioned on opposing shaft extensions. To function effectively, these chains must adhere to precise specifications, including maintaining adequate clearance between the sprockets. The design simplicity, featuring a single connecting pin, further enhances their ease of use and quick installation or removal.
How to Use the Coupling Chain Correctly?
A coupling chain is a mechanical connector that links two components together. It finds utility across a wide range of industries, including agriculture, mining, and metalworking. Additionally, coupling chains are instrumental in enhancing the longevity of roller chains. While roller chains dominate in common usage, coupling chains offer superior strength and greater resilience under high stress. Whether applied in agricultural or industrial settings, understanding the proper usage of these chains is crucial.
Coupling chains consist of continuous loops of worn pins and master links that engage with the driving and driven sprockets. These chains remain in constant contact with the teeth of both sprockets, helping to prevent misalignment of the coupler. Capable of compensating for up to two degrees of misalignment, coupling chains are ideal for applications involving high torque and low-speed conditions. To ensure optimal performance, it is essential to use links with adequate side clearance between the sprocket faces.
The coupling chain serves as a straightforward mechanism that ensures the smooth functioning of all machine components. Their installation, replacement, and removal are uncomplicated processes. These chains offer an efficient, no-frills method for maintaining operational continuity. Furthermore, coupling chains prevent performance inconsistencies by evenly distributing torque throughout the chain. A well-functioning coupling chain eliminates delays, ensuring seamless operation, and their simplicity makes them easy to handle and install.
Chains and Sprockets
- Chains and sprockets are mainly used in all applications such as transportation, machinery and other motor applications.
- Chain and sprockets are maintained with grease and oil spray to provide smoother and better operation.
- It makes the wheels run as the motor rotates and is considered as Rotation Per Minute (RPM).
Chains and sprockets are mainly used in the transport industry and machine building industry to rotate wheels by means of motors or engines. These chains and sprockets both help the wheelbase to run fast according to the engine speed. The chain hangs between the motor and the sprocket, the motor turns the sprocket and the chain is connected to the sprocket teeth, which can turn simultaneously with the motor wheel, thus making the vehicle or machine run smoothly. HZPT is one of the leading manufacturers and suppliers in China. We can offer various high-quality chains and sprockets for sale.
Related Chains
We specialize in the chains made to customers’ drawings and specification. Our advantage is reliable quality, competitive price, prompt delivery and good service. Standard products include various transmission and conveyor chains, like Roller Chain, double pitch Conveyor Chain, Hollow Pin Chain, Leaf Chain, Table Top Chain, Side Bow Chain, Lumber Chain, Agriculture Chain, Silent Chain, PIV Chain, Stainless Steel Chain, Nickel/ Zinc plated Chain, Dacromet Chain, Engineering Chain, Steel Pintle Chain, Welded steel chain, Forged chain, Malleable Iron chain, and many other types. Different kinds of attachment are available.
Why Choose Ever-power?
1. HZPT established in 1991, we have 5 subsidiaries in China and also have 6 subsidiaries abroad;
2. We covering a production area of 200, 100 square meters, have more than 1, 800 sets of advanced equipment and over 3, 100 highly skilled employees, the annual production capacity has exceeded 20, 000, 000 meters;
3. We specialized in producing all kinds of standard chains and special chains, such as A or B series chains, driving chains, conveyor chains, dragging chains, agricultural chains and so on;
4. We have obtained ISO9001, ISO14001, ISO16969, AAA and API certificates.
The company is specialized in producing all kinds of standard chains and special chains, e. G. A or B series chains, automobile chains, stainless steel chains, combine harvester chains, heavy-duty cranked link transmission chains, stereo garage chains and maintenance-free chains etc. In recent years, it invests the capital and depends on the improvement of technology to accelerate the step of new product development and the step of technology reform. It intends to produce high strength and precision chains in order to meet requirements of the domestic and overseas markets.
We are looking forward to receiving your soon.
edit by gzl
