| 摘要 |
An apparatus for plasticising and injecting plastic material comprising a rotatable screw (3) arranged in a cylinder (2), wherein the screw (3) is displaced axially by the rotation of spindles (5) which are rotatable by a servomotor (7) moved axially with the screw (3), by way of of gears (27, 27') connected by a toothed belt (17), wherein an intermediate transmission (15) for reducing the rotary speed is arranged between the servomotor (7) and the gears (27, 27').
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