1. Malfunctions during operation, such as unstable heating temperature causing poor blister forming or insufficient sealing leading to leakage.
2. Efficiency bottlenecks, like time-consuming debugging when changing product specifications and frequent jams at high speeds.
3. Maintenance costs, including rapid mold wear and aging seals requiring frequent replacement, with delayed spare parts affecting production.
4. Operation errors, where new staff struggle with touchscreen parameter settings, causing quality fluctuations.
5. Cleaning challenges, as powder residue may corrode cavities, and incomplete cleaning risks cross-contamination.