作者: Masaki Nakakado , Akihiro Miyoshi
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摘要: A web speed change device, comprising a drum (3) carrying continuous at an approximately same as the peripheral V (θ) thereof while varying periodically one or more times for each rotation, moving body (2) disposed on upstream side of and feeding (W1) to (3), cutter (4) cutting, drum, carried drum. The is moved according variation in so that feed fed by (E).