By installing a safety sensor and a safety guard on the assembly machine, you avoid the risk of accidents and operator incapacity, as well as machine downtime that generates production losses.
Each part of that assembly has a value of $2 USD. Depending on the machine speed, a downtime can cost:
From $100 USD per hour (50 parts/h).
If the downtime lasts between 4 and 8 hours, the loss per event will be $8,000 USD per year, including the incapacity of an operator if they suffer an accident.