| 摘要 |
This cutting machine for boards of materials used in the manufacture of cardboard articles, posters and the like requiring large cutting force, has a knife (15, 115) optionally of adjustable cutting depth, motorized for its movement by a chain drive and optionally being able to also cut along its return stroke by its facility for selflocking swivelling. In order to help maintain the knife (15, 115) in its own place against the acting forces that can twist and bend it, the cutting machine has blade guide means (29a, 29b, 84).
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