Extrusion Process Advantages And Disadvantages
Extrusion
Extrusion is a process used to create objects of a fixed cross-sectional profile. A material is pushed down or drawn through a die of the desired cross-section.
The two main advantages of this process over other manufacturing processes are
• Its ability to create very complex cross-sections and to work substances that are brittle because the material only encounters compressive and shear stresses.
• It also forms finished parts with an excellent surface finish.
Extrusion may be continuous or semi-continuous (producing many pieces). The extrusion process can be done with the materials hot or cold.
Die Design: There are 12 components used in the extrusion process to obtain the finished product: (Line 2)
All the components follow a Standard Operating Procedure (SOP).
1. Looping machine (Uncoiler+Welding machine+Grinding machine)
2. Chemical Tank
3. Washing Tank
4. Gluing or adhesive application
5. Induction Heater
6. Co-extrusion (Extruder 65mm+Extruder 50mm+Extruder 40mm)
7. Cooling Trough
8. Plasma Treatment
9. Invisible Laser Radiation (Material Marking)
10. Pulling machine
11. Part Straightener
12. Rough cutting machine
The details of the above machines are described as follows:
1. Looping machine: It is used t0 save time and energy. It contains three components which are uncoiler, welding machine and grinding machine.
The air pressure is 5±1 kg/cm2 and is measured in FRL unit (Filter-Regulat0r-Lubricat0r).
Uncoiler roller diameter: 138.8mm (approx.), Made
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