Micro-Molding Precision Cavity Insert Tooling

Micro-Molding & Precision Cavity Insert Tooling: Rainbowmold manufactures micro-molding tools and replaceable cavity inserts for sub-gram components in medical devices, optics, micro-electronics and precision fasteners. We achieve mirror-polished and micro-textured cavity surfaces, thin-wall flow, tight shut-offs and edge/valve gating for flash-free parts. Supported by high-speed CNC, precision EDM and metrology, our micro molds are built for repeatable short-cycle production and validated with full dimensional reports.

TPE-Overmolded Medical Device Dial Injection Mold OEM ODM Customized

TPE-Overmolded Power Tool Grip Mold Plastic Injection Molding Service

OEM TPE-Overmolded Consumer Knob Plastic Mold Injection Over Molding

ABS+PC Double-Shot Consumer Knob Plastic Mold Injection Molding

Soft-Hard Two-Shot Automotive Switch Mold Injection Molding Service

TPE-overmolded Anti-Slip Mat Mold Plastic Moulding Injection Manufacturer

ABS+PC Double-Shot Anti-Slip Mat Mold Plastic Moulding

Soft-Hard Two-Shot Power Tool Grip Mold Injection Molded Parts

OEM Soft-Hard Two-Shot Anti-Slip Mat Mold Plastic Injection Molding

Soft-Hard Two-Shot Consumer Knob Mold Plastic Injection Moulding

Micro-Molding Precision Cavity Insert Tooling: Rainbowmold supplies the Micro-Molding Precision Cavity Insert Tooling together with the matching injection tooling, engineering single- and multi-cavity molds with hot-runner or cold-runner systems, conformal cooling and optimized gating for cycle-time and part-quality targets. Mold steels include P20, 718H, H13, NAK80 and S136 hardened to the required HRC; with a typical tool life of 300,000 to 1,000,000 shots. DFM and Moldflow analysis are provided before cutting steel, and CNC, EDM and wire-cut machining with SPI-standard polishing hold cavity accuracy. Dimensional part tolerance can reach +/-0.01mm. Production serves automotive, medical device, consumer electronics and home-appliance programs, and all work is run under an ISO 9001 / ISO 14001 quality system. Send us your 3D STEP or IGES model for a free DFM report and mold quotation within 24-48 hours.