The selection of the sprocket's roller diameter is based on the standard parameters of the supporting chain, and then fine-tuned according to meshing stress, load strength, speed, and space constraints (within the allowable range of standards). The core logic is to ensure precise matching with the chain rollers while balancing strength, stability, and structural rationality, ultimately meeting the requirements of the working conditions for transmission life and reliability.

The tension adjustment of chain drives should select appropriate methods based on whether the center distance is adjustable: prioritize center distance adjustment when possible; use a tensioner pulley when the center distance is fixed. Meanwhile, pay attention to reasonable tension to avoid excessive tightness or looseness. Proper tension adjustment significantly improves the stability and service life of chain drives.

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