• No runner waste (saves material)
• Faster cycle time
• Automatable (no runner removal)
• Higher mold cost (+30-50%)

Cold runner advantages:

• Lower mold cost
• Easier maintenance
• Faster color changes
• More material flexibility

Full guide: https://www.mfgabc.com/guides/hot-runner-vs-cold-runner.html

各位师傅觉得这个方案怎么样？有更好的做法吗？