Abstract
Recently, plastic screws have replaced metal screws because of the former's light weight, thermal and electrical insulating properties, and anticorrosion characteristics. Plastic screws are usually produced by injection molding, which involves material shrinkage during the solidification of the polymer. This shrinkage results in the degeneration of the dimensional accuracy. In the present study, the effect of injection-molding conditions on the dimensional accuracy of plastic screws was investigated through a numerical simulation of injection molding; on the basis of this simulation, we could determine the mold-design parameters. The design of experiment was applied in accordance with the numerical analysis in order to optimize the injection-molding conditions with a view to improving the dimensional accuracy of the precision plastic screw.
| Original language | English |
|---|---|
| Pages (from-to) | 1549-1554 |
| Number of pages | 6 |
| Journal | Transactions of the Korean Society of Mechanical Engineers, A |
| Volume | 34 |
| Issue number | 10 |
| DOIs | |
| State | Published - Oct 2010 |
Keywords
- Design of experiment
- Injection molding
- Numerical analysis
- Plastic screw
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