The Importance of Proper Mold Maintenance in Injection Molding

By Levy Carlos De Campos

In plastic injection molding, the mold is the heart of the production process. Its condition directly influences part quality, process stability, and overall manufacturing efficiency. Proper mold maintenance is therefore not only an operational necessity, but a strategic requirement for reliable and cost-effective production.

Why Mold Maintenance Matters

• Process Stability: Clean cavity surfaces, precise parting lines, and functioning ejector systems ensure consistent cycles, reducing defects such as flash, short shots, or surface imperfections.

• Cooling Performance: Clear, scale-free cooling channels maintain efficient heat transfer, shorten cycle times, and improve dimensional accuracy.

• Tool Longevity & Cost Efficiency: Preventive care—including inspection, lubrication, and refurbishment—extends mold life, minimizes downtime, and protects your investment.

• Safety & Reliability: Scheduled maintenance reduces the risk of unexpected breakdowns, keeping production lines running smoothly and ensuring on-time delivery.

CRW Slovakia Advantage

At CRW Slovakia, we recognize that mold maintenance is critical to the long-term success of every injection molding project. That is why we operate a fully equipped in-house Toolshop, dedicated to preventive care and refurbishment of customer molds.

Our capabilities include:

• 3 CNC machining centers for high-precision tooling work

• Electro-erosion and wire erosion for complex geometries and detail restoration

• Laser welding for accurate and durable repairs

• A highly skilled and experienced toolmaking team

By combining advanced technology with expert craftsmanship, we ensure that every tool receives the attention it needs. This guarantees smooth and stable production throughout the lifetime of your project, while minimizing unexpected downtime and costs.