Multi-Press Tandem Robot Stamping Line Saves Labor and Reduces Staffing Pressure

In recent years, the biggest headache for stamping plants has been the increasing difficulty in hiring workers. As experienced veterans retire, younger replacements are simply not available. The core value of a multi-press tandem robot stamping line is to hand over those repetitive, physically demanding handling tasks to machines, freeing people from tedious and strenuous positions.

On a traditional multi-press tandem stamping line, workpieces were transferred between presses manually. Workers would remove a finished part from the first press, place it into the second, then take it out and place it into the third, and so on. One person per press meant that a four-press tandem line required four operators constantly stationed there. And the job was far from easy—with workpieces weighing ten or more kilograms, workers performed hundreds of bending, turning, and placing motions per day, leading to severe physical fatigue, especially during night shifts when mistakes became more likely. Material handlers in stamping shops have one of the highest turnover rates—the work is exhausting and monotonous, and young workers often quit after just a few days. While veteran operators bring experience, their physical stamina declines with age, and they cannot sustain this work for many more years.

The tandem robot stamping line takes over all the handling tasks. Six‑axis industrial robots transfer workpieces between presses with high speed, precise positioning, and no fatigue. A single robot can serve two or even three presses simultaneously, and the entire line requires only one operator monitoring from a central control room. Where four people were once needed, now one person manages the entire operation—significantly reducing labor demand. Moreover, robots do not need breaks, meals, or shift changes; they can run continuously for 24 hours. For stamping shops operating two or three shifts, the value of robots becomes even more pronounced.

Another advantage of robots is their consistency. Humans get tired and distracted; during the late night shift, a part might be placed a few millimeters off, resulting in out‑of‑tolerance products. Robots place every part with perfect repeatability, ensuring consistent product quality and low rejection rates. Equipment performance is not affected by mood swings or physical exhaustion. Manual handling also carries the risk of errors—sometimes an exhausted worker might lose grip, dropping and damaging the workpiece; other times, incorrect placement might cause the press to crash into the die, damaging expensive tooling. These problems simply do not occur with robots.

Beyond labor savings, operators' working conditions also improve significantly. Previously, workers stood beside the presses, enduring high noise levels, dust, and the constant need to check whether the part was correctly positioned in the die. Now, operators sit in a central control room, monitoring the line through screens; alarms alert them to any equipment issues. The improved work environment—quieter, cleaner, and less physically demanding—makes it easier to retain staff. The control room offers low noise and good cleanliness, and operators observe the entire line's status via monitoring screens, with greatly reduced work intensity.

Guangdong RuiHui Intelligent Technology Co., Ltd. offers mature applications of multi‑press tandem robot stamping lines in both the automotive parts and home appliance industries. Their solutions cover everything from robot selection and end‑of‑arm tooling design to full‑line control, allowing customers to flexibly configure the system based on the number of process steps and their existing press equipment. RuiHui's tandem robot stamping lines have been operating stably at numerous customer sites both in China and overseas, delivering tangible results in labor savings.