Factories: machines warmed up before the shift

Ovens and presses need an hour to warm up, and operators spend that hour waiting

The problem

Heat-up time is a cost that never shows up as downtime. An oven or a press that needs an hour to reach working temperature has to be switched on by someone standing in front of it, so the first hour of the shift is spent waiting. Nothing broke, nothing went on the maintenance log, and the hour goes anyway. It goes again tomorrow.

The usual answer

Every workaround has a price. Send an operator in early and you pay a premium for someone whose job is to press a button. Leave the machine running overnight and you pay in energy and wear. Accept the wait and you lose capacity you have already staffed.

How we approach it

We connect the machine's controller to the network, expose its temperature reading, and put start, stop and live status on a phone. Most of the work is at the controller: some accept a remote start, others will only report status, and finding out which you have decides the shape of the project. Where a start command is possible, the behaviour on a dropped connection gets defined before anything goes live, so the machine holds or shuts down rather than heating unattended. At KYB-UMW we did this for a baking oven and a drying oven, and the first shift now walks in to equipment that is already hot.

What changes

The hour moves from the operator to the machine. Output per day rises without a new machine and without a new shift, and the operator's first hour goes into production instead of standing by.