| 摘要 |
PROBLEM TO BE SOLVED: To provide an improved fixing means for a passage-plate adapter. SOLUTION: This open end fine spinning machine 1 is installed with a rotor casing 2 opened in the forward direction, a spinning rotor 3 revolving with a high number of revolution in the rotor casing 2 and a fiber passage-plate 4 for closing the rotor casing. The fiber passage-plate 4 is installed with an interchangeably arranged passage-plate adapter 10 having an opening range of a fiber-guiding passage and a fiber-withdrawing nozzle. The fixation of the passage-plate adapter 10 capable of being removably fixed is solely carried out by a friction coupling and the fixing means using the friction coupling is formed as a magnetic coupling 15.
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