| 摘要 |
<p>A decompression screw for rubber compounds processing is described, characterized in that the screw core diameter in melting and metering section (3), in direction from feeding section (2), to the end of the melting and metering section (3) is decreasing, and/or the pitch of the helix in the melting and metering section (3), in direction from feeding section (2), to the end of the melting and metering section (3) is increasing, and ratio of the channel volume from the feeding section (2) to the channel volume at the end of the melting and metering section (3) is in range of 0,8 to 1.</p> |
