Abstract
Effects of polyvinylchloride (PVC) sheet thickness (t), feed speed (υ), spindle speed (ω), Z-axis feed rate (p) and tool head diameter (Φ) as well as their interactions during the single point incremental forming (SPIF) on forming performance of the PVC sheet material were studied through an orthogonal experimental test. In this experiment, the angle-variable cone was used and the maximum forming limiting angle was taken as the experimental index. Results showed that and ω×Φ influence forming performance of PVC sheet material significantly. υ is the main influencing factor of SPIF performance of PVC sheet material. Small υ is good for sheet material forming. p and Φ are proportional to forming performance of sheet material. Over ω will cause material wear-out. Effect of t could be neglected.
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