a prepared-meal manufacturer's assembly line, anonymized
Robot Arms Lift Meal Tray Output 2x to 3x and Cut Giveaway 67%
A prepared meal line swapped hand placement for robot arms, lifting tray output toward 30 a minute and cutting excess food 67%, per the supplier.
- 30/min
- Average trays per minute, up from 10 to 15
- 2x to 3x
- Output rise on the line (supplier-reported)
- 67%
- Less excess food in trays (supplier-reported)
- 8 to 10
- Workers per line in the hand assembly baseline
Based on a documented real-world deployment. Figures are from public reporting; the organization is not named.
Hand assembly capped the line near 12 trays a minute
Before the change, the line depended on people passing bowls down a table. Without conveyors feeding the work, output stalled near 12 trays per minute, and each line needed 8 to 10 workers to keep that pace.
Speed was only half the problem. Giveaway, the food that ends up in trays beyond the target portion, eats into margin on every shift, and hand placement made consistent portions hard to guarantee from one tray to the next.
- Manual pace capped near 12 trays per minute
- 8 to 10 workers needed per line
- Excess food in trays above the target portion
Robot arms took over placement while the line was rebuilt around them
The plant replaced manual meal assembly with robot arms that place components into trays. The arms took over the repetitive deposit work, and the surrounding process was reorganized so the line could hold the higher pace.
Every deposit is weighed as it is made. The robots record the weight of each deposit, which gives the plant a portion level record to review against its targets.
- Map the existing line, tray format and component layout before any hardware is chosen
- Place robot arms at the deposit stations and tie them into the line pace
- Log the weight of every deposit and review portion data against targets
- Train the crew on upkeep, checks and the new roles around the cells
Output rose to an average of about 30 trays a minute
The robot supplier reports that tray output rose from 10 to 15 per minute to an average of about 30, and that output roughly doubled or tripled on the line.
Excess food in trays fell 67 percent, according to the same supplier figures. Giveaway is the cost that faster lines often hide, so cutting it by two thirds carries as much weight as the higher pace.
Speed and portion control can pull against each other on a hand line. Here both moved in the same direction, which is the core of how a food line can raise speed and cut giveaway at the same time.
What a deployment like this asks of a plant
Service Robot Co. is an OEM neutral commercial robot integrator for US businesses. We select the right robots across manufacturers, then finance, deploy, integrate, train and service every unit through a nationwide US engineer network, so one vendor covers the full lifecycle. For a food plant weighing a cell like this, the first step is a site assessment that matches the arms to the tray format and the throughput target.
We lease robots only, on a three year lease with one fixed payment quoted after the site assessment. A peer reviewed review of collaborative robots in poultry processing, published in January 2026, reports that force limiting arms and machine vision can reduce repetitive strain and improve consistency, which is the kind of benefit a food plant should test on its own line.