Axial split synchronous pulley and shaft hole matching method

The invention belongs to the technical field of synchronous pulleys, and discloses an axial split type synchronous pulley and a shaft hole matching method.The axial split type synchronous pulley comprises a pulley body and a connecting piece, a first tooth-shaped pulley and a second tooth-shaped pulley can be buckled to form a connecting hole, a through hole is formed between every two adjacent gear teeth of the first tooth-shaped pulley, and a through hole is formed between every two adjacent gear teeth of the second tooth-shaped pulley; a mounting hole is formed in the position, corresponding to the through hole, of the second toothed belt wheel, and the connecting piece penetrates through the through hole and is connected to the mounting hole, so that the hole wall of the connecting hole abuts against the peripheral wall of the transmission shaft, and the matching precision between the belt wheel body and the transmission shaft can be improved; and meanwhile, the section of the first tooth-shaped belt whee