Delicate placement of soft-centered/fragile chocolates into assortment and gift-box trays

In premium boxed-chocolate and assortment lines (e.g. gift boxes, Celebrations-style trays, and the kind of premiumized handcrafted product Mars is exploring through learning-lab acquisitions like Hotel Chocolat), individual unwrapped pieces must be picked from a feed and seated precisely into the cavities of a molded tray or box insert. The objects are fragile and variable: soft-centered pralines, truffles with thin tempered shells, and ganache pieces deform or fracture under excess grip force, and surface finish (gloss, dusting, decoration) cannot be marred. The task sits at end-of-line, downstream of enrobing/cooling and upstream of lidding/cartoning, and is today largely manual or only partly automated because each piece's geometry and softness varies piece-to-piece. What makes it hard for a robot is that a vision-only system can locate a piece but cannot judge how much force it can take before crushing, nor confirm the piece is seated without smashing it into the tray. Exact line volumes are not public, but assortment packing is a recognized labor-intensive end-of-line step across the confectionery industry. We identified this through our own research; we have not confirmed the specifics with the customer directly. This page is our researched read — a starting point for that conversation.