EDM machine

SMC Insert Mould Solutions for High-Performance Thermosetting Components

2025-07-09 14:33

SMC Insert Mould Solutions for High-Performance Thermosetting Components
Precision BMC and Bakelite Molding for Electrical Applications


BMC


Material Expertise
Our SMC insert mould and BMC molding processes specialize in manufacturing durable electrical components like switches and iron housings. The thermosetting material properties require:

  • Mold temperatures of 150-180°C for optimal cure

  • High-pressure resistance (80-120 MPa)

  • Precision cavity/core steel (H13) for extended tool life

Tooling Specifications

ParameterSpecification
Mold TypeThermoset Mold
Base MaterialLKM Standard
Gating SystemCold runner, edge gate
Dimensional Tol.±0.2mm
Surface FinishSPI-A2 (500+ cycles)

Key Advantages of BMC and Bakelite Molding

  1. Insert Molding Capability

    • Seamless integration of metal contacts in SMC insert mould designs

    • Reduced secondary operations for electrical assemblies

  2. Thermal Performance

    • Bakelite components withstand 200°C continuous service

    • UL94 V-0 flame resistance in all thermosetting material outputs

  3. Production Efficiency

    • Fast cure cycles (45-90 seconds) vs. thermoplastics

    • Minimal flash with precision mold insert alignment

Electrical Industry Applications
Circuit breaker housings (BMC)
High-temp appliance bases (Bakelite)
Arc-resistant switchgear (SMC insert mould)

Technical Innovation
Our latest mold insert technologies address:

  • Automated degating systems for thermoset runners

  • Conformal heating channels for even cure

  • Interchangeable inserts for multi-cavity BMC tools

Quality Assurance
All thermosetting material components undergo:
Dielectric strength testing (15kV/mm)
Thermal cycling validation (-40°C to 180°C)
Comparative tracking index (CTI >600V)

Why Choose Our Thermoset Molding?

  • 15+ years in SMC/BMC mold manufacturing

  • Full DFM support for Bakelite components

  • Certified IATF 16949 for automotive electricals


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