| 摘要 |
A product change method for a cigarette manufacturing machine (1), wherein an input hopper (2) receives a first type (3a) of shredded tobacco from a supply header (4), and feeds it to at least one channel (17) for forming, on a conveyor (14), a bead (19) of tobacco, which is released onto a paper strip (22) travelling along a forming table (20) for forming a continuous cigarette rod (21); the method provides for cutting off supply of the first type (3a) of shredded tobacco to the header (4), emptying the header (4), cutting off communication between the header (4) and the input hopper (2), cutting off supply of the paper strip (22), keeping the manufacturing machine (1) running to form a waste stream (30) of shredded tobacco of the first type (3a) and empty the manufacturing machine (1), and feeding a second type (3b) of shredded tobacco through the supply header (4) and the input hopper (2) to fill the manufacturing machine (1) completely before starting up supply of the paper strip (22).
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