When it comes to high-precision plastic injection molding, the gate design is more than just a technical detail — it can make or break your product's appearance and performance. At JBRplas, we specialize in custom mold solutions tailored to your needs, and today we’re diving into a commonly asked question: What’s the difference between direct side (or edge) gating and gating to the front face?
Direct Side or Edge Gating: Clean, Functional, Efficient This type of gating allows molten plastic to flow into the mold from the side or edge of the part. It’s particularly useful when:
You want to keep the front face clean and free of gate marks Your part is aesthetic or customer-facing You're molding thin-walled components needing controlled flow and shear You need automatic degating after molding to save cycle time
At JBRplas, we often recommend edge gating for high-appearance parts or complex shapes that require minimal post-processing.
Gating to the Front Face: Direct, but Noticeable Front face gating (also known as face gating) introduces plastic directly onto the visible surface of the part. While it may allow simpler flow paths and lower tool costs, it comes with some trade-offs:
Visible gate vestige that may require trimming or polishing Higher risk of surface marks or imperfections Limited use in appearance-critical components For functional parts where the front surface isn’t visible or critical, this method can still be effective — and JBRplas has the expertise to optimize it when needed.
Why Gate Design Matters — and Why JBRplas is Your Trusted Partner At JBRplas, we go beyond just building molds. Our team works closely with customers to:
Analyze part structure and appearance requirements Optimize gating methods for flow balance and minimal warpage Ensure cost-effective, durable, and high-quality tooling solutions
With over a decade of experience in custom injection molds and precision tooling, we know that the smallest design choice can affect the biggest outcomes.
Contact JBRplas Today Need expert advice on gate design or a reliable tooling partner for your next project? Reach out to JBRplas — where every detail matters.
