Seven practical checks before you place a tooling order – from engineering depth and in-house capability to steel certificates, quality records and mould ownership.
The basic rules that keep injection moulded parts free of sink marks, warpage and sticking – with diagrams for wall thickness, draft, holes, bosses, ribs and corner radii.
Sourcing moulds from China works well when the basics are agreed in writing: steel and certificates, project plan, sample approval, IP protection, ownership and packing.