| 摘要 |
A method for manufacturing a roller shaft of a computer character-cutting device and the roller shaft itself are disclosed, wherein, an engaging belt having on the surface thereof etched tooth grains is wrapped over the roller shaft, laser welding is processed at the joint of the engaging belt. The laser welding creates high temperature to melt the engaging belt, and the melting spots on the engaging belt are leveled, so that the engaging belt is integrally molten into the roller shaft to largely reduce steps and cost of production, and an effect of high accuracy of paper feeding can be obtained.
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