From Hand-Packing to 35 Cartons/Minute: How a Protein Bar Brand Automated Cartoning and Freed 3 Workers with Dession
From Hand-Packing to 35 Cartons/Minute: How a Protein Bar Brand Automated Their Cartoning and Freed Up 3 Workers
The Problem: Manual Cartoning Is the Hidden Labor Sink in Every Bar Factory
Protein bars, energy bars, granola bars — they're individually flow-wrapped at 200–300 units per minute on high-speed wrappers. But then they hit the cartoning station. And that's where the automation stops and the manual labor begins. Workers pick wrapped bars off the conveyor, count out 6 or 12 per carton, arrange them, close the flaps, and push the carton down the line. It's repetitive, error-prone, and painfully slow compared to the flow-wrapping speed upstream.
A fast-growing protein bar brand in the Southwest — shipping to Costco, Target, and Amazon — was running exactly this setup. Three full-time workers on the cartoning station, hand-packing 12-count display cartons. The flow-wrapper was outputting 180 bars/min, but the cartoning station maxed out at 12–15 cartons/min per worker — a combined 40 cartons/min with all three workers. Against a production target that required 55+ cartons/min during peak season, they were running overtime every day.
- 3 full-time workers on cartoning alone. At $18–$22/hour, that's $112,000+ annually just to put bars into boxes. And these were the hardest positions to fill — repetitive motion, standing all day, high turnover.
- 4–5% miscount errors. Hand-packing meant 11-count cartons going to retailers who ordered 12. Chargebacks from big-box retailers for short-count boxes averaged $8,400/year.
- Bottleneck at the cartoning station. The flow-wrapper was idling 30% of the time waiting for cartoning to catch up. The entire line ran at the speed of the slowest station — and that station was manual cartoning.
- Box-flap damage from rough manual handling. Retail display cartons with crumpled flaps or torn corners got rejected at the DC — $5,600/yr in rejected cases.
"We had a $200,000 flow-wrapper running at half capacity because three people couldn't put bars into boxes fast enough. It was absurd."
— Production Manager, Southwest protein bar brand
The Fix: Dession's Automatic Protein Bars Cartoning Packing Machine
They found Dession through an equipment directory search and got a video demo of the cartoning machine running 12-count protein bar cartons at full speed. They placed an order at $12,000 — roughly 3–4× less than comparable European or US-built cartoners at $35,000–$50,000.
| Manual Cartoning (Before) | Dession Cartoner (After) |
|---|---|
| 3 workers × 15 cartons/min = 40–45 CPM | 1 machine, 25–35 CPM — 3 workers freed for higher-value tasks |
| 4–5% miscount errors ($8,400/yr chargebacks) | Servo-driven product collation — zero count errors |
| Damaged display cartons: $5,600/yr | Precision flap folding and tucking — pristine carton presentation |
| Competitor cartoners: $35K–$50K | $12,000 |
The Results
| Metric | Manual | Dession | Delta |
|---|---|---|---|
| Cartoning labor (annual) | $112,000 | $0 (redeployed) | ↓ $112,000 |
| Miscount chargebacks | $8,400 | $0 | ↓ $8,400 |
| Damaged carton rejects | $5,600 | $0 | ↓ $5,600 |
| Flow-wrapper utilization | ~70% | ~95% | ↑ 25% |
| 首年总效益 | 回本不到 5 周 | $126,000 | |
"The cartoner paid for itself in the first month of peak season. We moved those three workers to quality control and secondary packaging — they're happier, and we're shipping more."
— Production Manager, Southwest protein bar brand
Tech Specs
| Machine | Automatic Protein Bars Cartoning Packing Machine |
| Speed | 25–35 cartons/min |
| Weight/Size | ~500KG | 1540×1375×2270mm |
| Power | 220V, 50/60Hz |
| Products | Protein bars, energy bars, granola bars, cereal bars, snack bars |
| Dession Price | $12,000 (vs European/US cartoners: $35,000–$50,000) |
About Dession Machinery
Foshan Dession Packaging Machinery Co., Ltd. holds 50+ patents, ISO 9001/CE/ROHS/SGS certified, serving 5,000+ customers in 233 countries. MOQ: 1.