Why can product quality decline when packaging speed is increased?

• Higher speed shortens heat-seal dwell; if heat-seal jaw temperature is not compensated, seal strength drops and leaks occur.
• Faster film pull raises film tension fluctuation beyond servo compensation, causing bag-length deviation and tracking waste.
• Shorter cycle time compresses metering discharge, increasing fill-weight variation and out-of-tolerance rejects.
• Insufficient cooling on cross and longitudinal seals lets seals deform under pull, causing stringing, wrinkling, or burst bags.
• Infeed and collation cannot match machine cycle time, so sealing/cutting occurs before product is in place, yielding empty or trapped-product rejects.