Investigation of the Large-Scale Pallet by Recycled Polypropylene and the Sequential Valve Gate System during the Injection Molding

Figure 7

Filling pressure and clamping force history. (a) Filling pressure by concurrent valve gate opening scheme. (b) Clamping force by concurrent valve gate opening scheme. (c) Filling pressure by sequential valve gate opening scheme. (d) Clamping force by sequential valve gate opening scheme.

(a)

(b)

(c)

(d)