| 摘要 |
<p>Disclosed is a method of slacking and tensioning a film for a microfinishing machine. The microfinishing machine comprises a roll of film, a plurality of rollers, an arm-pack and a slack and indexing unit. The slack and indexing unit comprises a pneumatic cylinder/slacker that moves upward and downward to create and remove a slack in the roll of film. The method of the present invention does not require retraction of the arm-pack and generation of the slack-tension effect, as a result saves considerable amount of cycle time.</p> |
