| 摘要 |
An extrusion die head assembly for thermoplastic material pelletizers is disclosed having a body member and a mating, removable and selectively substitutable relatively small mass insert member in communication with the body member, the insert member having a selected plurality of metering capillary and communicating extrusion die passages positioned therein, the dimensions, number and positioning of the metering capillary passages being selected as required by the physical and rheological properties of the thermoplastic material being processed through said assembly. |
