Guide · MOM
MOM: manufacturing operations management, in practice
By João Brighenti, founder of MesttiReviewed on
The four areas of MOM
Production
Orders, scheduling, reporting, stops and OEE for each machine.
Quality
Inspections, checklists and non-conformities tied to the machine and the order.
Maintenance
Maintenance orders and each machine’s failure history.
Inventory
Stock levels, locations and material picking for production.
MOM, MES and ERP: who answers what
ERP
- What did I sell, buy and invoice?
- Detail: order, invoice, account.
MES
- What is happening in production right now?
- Detail: machine, operation, minute, reason.
MOM
- How are production, quality, maintenance and inventory doing together?
- Detail: the same as the MES, across all four areas.
How Mestti covers MOM
Production: sensors count parts and stops, planning schedules by real capacity and operators report on a tablet.
Quality: rule-triggered inspections with photos, tied to the machine and the order.
Maintenance and inventory use the same machine, part and order records.
Otto, the platform’s AI agent, reads all four areas and proposes actions for a person to approve.
Frequently asked questions
Are MOM and MES the same thing?
No. The MES is the production part. MOM includes production and adds quality, maintenance and inventory on the same base.
Do I need to roll out all four areas at once?
No. The usual path is to start with one department’s production and bring in quality, maintenance and inventory once the production numbers are reliable.
Where does ISA‑95 come in?
It is the standard that separates the business level (ERP) from the plant operations level (MOM) and defines the four areas. It works as a map; you don’t have to follow it to the letter.
Does MOM replace the ERP?
No. The ERP keeps orders, purchasing and invoicing. Orders can come from the ERP and production goes back to it.
Keep reading
Start MOM with one department’s production.
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