Industrial bakeries: ovens run by recipe while dough varies

Colour and moisture vary with the flour and other raw materials

What happens. A new flour delivery, a new harvest or a change in sugar or fat, and the same recipe gives darker crusts, paler ones, or a moister crumb. The shift notices it at the oven exit or in the lab, and adjusts the oven by hand.

What it costs. Products outside the colour and moisture specification are sorted out, sold cheaper or returned by the retail customer. Moisture also decides weight and shelf life.

Why the usual fix fails. Recipe corrections are made by experienced bakers who are not on every shift. A colour camera at the exit shows the result once the product is baked, too late for the products already in the oven.

How a fixed-price remote diagnosis checks it. From oven data (zone temperatures, burner power, belt speed), raw-material data such as flour analyses, and your colour and moisture measurements I check whether colour and moisture can be estimated early enough in the oven to correct it. The fixed-price remote diagnosis shows whether an inline estimate with adaptive oven control would narrow the spread, and what it would need.

Background: Control that adapts to drift

Oven zones run by recipe, not by the state of the product

What happens. Each product has its oven programme: zone temperatures, steam and belt speed. The programme runs the same whether the oven is fully loaded or has gaps, whether it has just started or has run all day. Core temperature and colour are checked by sample.

What it costs. Gas for zones that are hotter than the product needs, and rejects when a gap in loading or a slow restart overbakes the next products. Programmes are set for the worst case, so most products get more heat than necessary.

Why the usual fix fails. Operators adjust the programme when they see a problem, which is after it has happened. Lowering temperatures as a rule risks underbaked products, so the margin stays.

How a fixed-price remote diagnosis checks it. From your oven logs (zone temperatures, burner and fan power, steam, belt speed, loading) and the core-temperature and colour checks I estimate how core temperature and colour develop through the oven. The fixed-price remote diagnosis tells you how much margin each product has and whether a computed product state could lead the oven zones.

Background: Predictive control of process plants

Proofing time is fixed while the dough varies

What happens. The dough pieces spend a fixed time in the proofer at set temperature and humidity. But the dough comes out of the mixer warmer or colder, the flour behaves differently, and waiting times before the proofer change with the line. Experienced staff judge the proof by eye and press test.

What it costs. Under-proofed and over-proofed products differ in volume, shape and crumb. They are sorted out, or the customer sees uneven products on the shelf.

Why the usual fix fails. Adjusting proofing time by hand depends on who is on shift. Holding dough temperature tighter at the mixer helps, but does not remove variation in flour and in waiting time.

How a fixed-price remote diagnosis checks it. From dough temperatures, mixing data, proofer climate, line timing and your volume or weight checks I check whether the proof state can be estimated as the dough passes through. The fixed-price remote diagnosis shows whether an estimated proof state could set the proofing time, and what it would take.

Background: Computed measurements

Energy and staff costs squeeze bakeries with gas-fired ovens

What happens. In the first half of 2026, 63 German bakery businesses filed for insolvency, 40 % more than a year before, according to the credit agency Creditreform; individual firms named high energy and staff costs (Berliner Zeitung). Many central bakeries still fire their ovens with gas and run proofers, kneaders and cooling on fixed settings.

What it costs. Every rise in gas and power prices goes straight into the cost of each product. With fewer skilled bakers, there is little time left to optimise ovens by hand.

Why the usual fix fails. Switching ovens to electricity is a large investment, and without knowing the real energy demand per product and hour nobody can tell whether it pays.

How a fixed-price remote diagnosis checks it. From meter data, oven and proofer logs and production plans I compute where the energy goes per product and per hour, and how much a better-controlled oven and proofer would save. The fixed-price remote diagnosis also shows what an electrified oven would need to run on your plan.

Background: Economic predictive control