Preventing Factory Retention Claims over Customer Owned Injection Moulds
Preventing factory retention over customer injection moulds demands PRC fapiao tax invoices, steel asset stamping, and pre-suit court preservation clauses.
Core and Cavity Laser Engraving
Meaning
Subtractive surface machining using focused fiber laser beams inscribes permanent alphanumeric codes and logos into hardened mold steel. Toolmakers apply core and cavity laser engraving to place part numbers, recycle symbols, and ownership marks directly onto molding surfaces. The technique stops applying when component geometry demands deep chemical etching or mechanical milling for deep structural ribs.
Technical Process
Pulsed laser sources remove micro-layers of tool steel without imposing thermal deformation on critical mold cavities. Precision galvanometric mirrors steer the laser beam according to vector artwork files, creating crisp raised or recessed characters on mold surfaces. Injected plastic fills etched core recesses during molding, resulting in clear raised text on every finished plastic part.
Adjusting laser pulse frequency allows toolmakers to control engraving depth while maintaining polished mold surface finishes.
Asset Marking
Permanent markings stamped into core and cavity blocks verify legal ownership and prevent unauthorized mold duplication. Contractual terms require precise tool identification to protect intellectual property rights across overseas supplier networks.
Operational Traceability
Engraved serial numbers on cavity blocks allow quality personnel to trace molded defect parts back to specific mold positions. Through core and cavity laser engraving, factory operators monitor individual cavity wear and track maintenance cycles across high-volume production schedules. Clear engraved markings eliminate ambiguity during customs inspections and asset verification audits.