There’s a Right Time to “Lay Down” on the Job

 

Imagine that you’re molding a simple straight-sided cup. The traditional approach is to make it in a two-part mold, with the A-side forming the outside of the cup and the B-side forming the inside. As long as both sides are suitably drafted to facilitate ejection, it’s all very simple. But add a C-handle, and it gets a little more complicated. Because the handle acts as an undercut, you’ll lay the cup on its side, form the outside with A- and B-side mold halves meeting at the handle, and use a side-action to form the inside. Continue reading