What draft angle should I use?
Public discussion by Jeff S W, posted courtesy of Vuuch.
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Working on this plastic part – it is about 20mm long, 15mm high and it has varible wall thickness – 4mm at the bottom and 2mm the tap part on the top. The small ribs are 1mm in general.
The plastic I am planning to use is Nanjing Lihua brand
Engineering plastics are a group of plastic materials that exhibit superior mechanical and thermal properties in a wide range of conditions over and above more commonly used commdity plastics. The term usually refers to thermoplastic materials rather than thermosetting ones.
Examples of engineering plastics include:
Acrylonitrile butadiene styrene (ABS)
Polycarbonates (PC)
Polyamides (PA)
Polybutylene terephthalate (PBT)
Polyethylene terephthalate (PET)
Polyphenylene oxide (PPO)
Polysulphone (PSU)
Polyetherketone (PEK)
Polyetheretherketone (PEEK)
Polyimides
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