Coupling
The coupling link (also known as a connecting link or joint link) is a critical component in GL-type roller-chain couplings, used to close the chain and connect the sprockets at both ends. It serves as the core element that enables quick assembly and disassembly without the need to move the equipment’s shafts.
The GL14 model is a heavy-duty roller-chain coupling conforming to the national standard GB/T 6069, specifically designed for large-scale, heavy-duty transmission applications. It offers significantly higher torque and larger dimensions than the GL4 and GL9 models, making it ideal for medium- to low-speed, high-load transmissions in industries such as mining, warehousing, and heavy metallurgy.
The GL9 coupling is a roller-chain coupling conforming to the GB/T 6069 series of national standards, designed for medium- and large-scale heavy-load applications. It offers significantly higher torque and larger dimensions than the GL4, making it suitable for medium- to low-speed, high-load power transmission in industries such as mining, chemical processing, and warehousing.
The GL4 type is a roller-chain coupling manufactured in accordance with GB/T 6069. It is a lightweight, general-purpose coupling that transmits torque by meshing a double-row roller chain with two sprockets, featuring a simple structure and convenient assembly and disassembly.
The GL4 coupling is a roller-chain coupling (with either double- or single-row rollers) as specified in the national standard GB/T 6069-2002. It is a medium- to light-duty, low-cost, and easy-to-install-and-disassemble transmission component, commonly used in conveyor systems, gearboxes, fans, pumps, and other applications involving moderate to low speeds and typical load conditions.
The Type 120 28-tooth coupling is a drum-type gear coupling with an outer diameter of approximately 120 mm and 28 teeth. It is designed for medium-to-heavy loads and medium-to-high speeds, and is commonly used in applications such as automated conveyor systems, heavy-duty roller conveyors, chain-plate conveyors, and gearbox–motor connections.
Type 100, 20-tooth coupling typically refers to a drum-type or straight-tooth gear coupling with a standard module, 20 teeth, and an outer diameter of approximately 100 mm. It is commonly used in automated conveyor systems, light-duty machinery, pumps, fans, and other applications involving medium to low speeds and moderate loads.
A non-standard gear coupling refers to a customized gear coupling whose tooth profile, structure, material, or mounting method deviates from the standard straight-tooth or crowned-tooth design, specifically engineered for special operating conditions, space-constrained applications, large misalignment, heavy-load impact, and non-cylindrical shafts.
A gear coupling is a rigid, flexible coupling that transmits torque through the meshing of internal and external gears while compensating for radial, axial, and angular misalignment between the two shafts. It is widely used in industrial drive applications involving heavy loads, high speeds, and frequent starts and stops.
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