Question
Download Solution PDFThe L/D ratio for the barrel of an extrusion machine ranges from:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
The L/D ratio is the ratio of the flighted length of the screw to its outside diameter. The ratio calculation is calculated by dividing the flighted length of the screw by its nominal diameter.
- The general L/D ratio of Barrel/Injection screws uses 20:1 in injection molding.
- In a rubber extruder, the L/D ratio of the barrel is generally 12:1 to 18:1.
- Hence, the L/D ratio of the barrel in extrusion generally falls in the range of 10-30.
Last updated on May 12, 2025
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