Extrusion Methods
By plasticizing, there are dry extrusion and wet extrusion processes and by pressurizing there are continuous and intermittent extrusion processes Continuous production yields a high …
Plastic Extrusion vs. Injection Molding
For industrial manufacturers, the methods of injection molding and/or extrusion are specified to make products with different shapes and sizes. The molten die-casting method is …
Plastic Extrusion Process and Re-extruded
Plastic extrusion is a process for converting plastic materials from solid to liquid states and reconstituting them as finished components. First, plastic pellets are gravity …
Plastic Extrusion Basic Information – Supplies & Process & Design
Whether it’s one hundred yards of pipe-tubing or a thousand Crazy Straws, plastic extrusion is in frequent use in today’s plastics industry because it’s readily …
How plastic products are formed?
Discover the basic methods of processing thermoplastic and thermoset materials: Plastics are ubiquitous, appearing in the most cutting edge technologies as well as in the …
Screw Design in Plastic Extrusion
The basic extrusion screw has three distinct parts, each engineered to do a specific task. The feed section is in the rear of the screw, …
What are the control zones inside an extruder?
One important thing to note is that all components have bores or channels drilled inside them for cooling purposes. This indicates that the temperature rise …
Parts of Extruder
1. Hopper cylinder – It is made of cast steel and is jacketed for water-cooling. The insides are made wear resistant by chrome plating or …
Auto molding and punch Machine
Since PTFE will not flow above its melting point, it cannot be injection molded and requires special processing techniques. Molded PTFE is processed by first …
Types of Blow Molding Processes
Injection Blow Molding:In injection blow molding, a blow or core rod is used throughout the process. First a parison is injected into a split mold …
