Question
Download Solution PDFFor an extrusion process, in ______ section, melt is homogenised, and sufficient pressure is developed to pump it through the die opening.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
The extrusion process is the foundation of many plastic processing methods like injection molding, blow molding, etc.
The principal component of extrusion is extruders whose main purpose is to heat plastic materials and transfer them under pressure through a die.
Zone of Extruder and their Functions:
| Zone | Function |
| Feed Zone | Transport the material from the hopper to the compression zone. It has the lowest temperature among all zones. |
|
Compression Zone |
Transport the material from compression to the metering zone. Melting of plastic started in this zone. |
| Metering Zone | In metering zone, melt gets homogenized and pressurized after that pumped to die. |
Last updated on May 12, 2025
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