How Advanced Mold Venting Improves Injection Molding Quality and Efficiency

In injection molding, one often overlooked yet critical element is mold venting. Without proper venting channels, trapped air and gases can cause surface defects, incomplete fills, and even damage to the mold. At DONGXINDA Mold Technology, we prioritize advanced venting design in every injection mold we manufacture, ensuring optimal part quality and production stability.

What Is Mold Venting?

Mold venting refers to the inclusion of small channels or gaps that allow air and gases to escape during the injection process. Without effective venting, issues such as burn marks, short shots, and voids become common.

DONGXINDA’s Mold Venting Solutions:

• Micro-Vent Channels: Engineered for high-flow plastics and high-cavity molds.

• Laser Precision Machining: Creates consistent venting gaps that don’t compromise mold durability.

• Simulation-Driven Vent Placement: Ensures maximum air evacuation for complex part geometries.

Benefits of Proper Mold Venting:

• Fewer cosmetic defects and rejects

• Improved fill consistency and part dimensions

• Extended mold lifespan due to less gas erosion

• Shorter cycle times from better flow

Whether you produce parts for automotive, home appliances, or medical devices, our molds help you deliver consistent results—even at high production volumes.

🔧 Ready to improve your molding process?
Contact DONGXINDA for expert-designed molds that integrate the latest venting technology.