作者：Arantxa Sanchez 4 年以前
153
Esquema Victor y Arantxa
Plastics come in various types, including elastomers like rubber and neoprene, thermoplastics such as polypropylene and Teflon, and thermoset plastics like melamine and Bakelite. These materials have significant environmental impacts, especially since many are non-biodegradable.
開啟
3D Printing Printing design and control software Printer control software Repetier-control Silicing programs Silic3r Cura Programs for desingning parts FreeCAD Tinkercad OpenSCAD Printing process Printing Slicing Desing Characteristics Main parts Extruder Mechanics Electronics Technologies Extrusion deposition Powder bed fusion Material used Filaflex Laywoo-D3 Laybrick PLA (polylactic acid) ABS (crylonitrile butadiene stryene) PLASTICS Environmental impact Mechanical recycling Non-biodegradable Machinig Grinding Has an abrasive wheel that polishes the surface to remove burrs and excess material. Millling Milling insolves grinding the part using a rotary tool with lots of teeh Turning This consists of holding plastics part in clamps and rotating. Forming Vacuum forming This metod is used to make yogurth pots,egg cups... Blow moulding Blow moulding is used to form bottles, toys and hollow objects Compression moulding This method is used to form small parts such as plugs Injection moulding This method is used tomake casings for kitchens appliances... Extrusion This procedure is used with thermoplastics to obtain long products. Types Elastomers Neoprene Rubber Thermoshet Polyester resins Bakelite Melamine Thermoplastics Polycarbonate Teflon PET (Polyethylene terephthalate) Polypropylene PVC (Polyvinyl chloride) Polystyrene Polethylene
