Ensuring Robust Manufacturing Quality
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We use a Manufacturing Execution System (MES) to manage, track, and control—in real
time—all manufacturing information and activities, from when raw materials are stocked
to when products are shipped. Using a fool-proof MES both enhances productivity
and reduces cycle-time.
Moxa’s MES does not operate as an isolated, self-contained system, but instead is
integrated with our Enterprise Resource Planning (ERP) system and Supply Chain Management
(SCM) system. In this way, factory managers can proactively ensure the delivery
of quality products in a timely and cost-effective manner, and avoid mistakes such
as overextending resources, or delaying projects due to resource shortages.
PFMEA, CP, MSA, and SPC
(“Process Failure Mode and Effects Analysis,” “Control Plan,”
“Measurement System Analysis,” and “Statistical Process Control”)
PFMEA is conducted during product quality planning and before production to review
and analyze the new/revised process, and is conducted to identify the “significant
characteristics,” and resolve or monitor potential process problems. PFMEA is reviewed
and updated as new failure modes are discovered.
Control Plans focus resources on processes and products related to “significant
characteristics” that are important to the customer or products. It is used throughout
the product lifecycle in minimizing process and product variation and to reduce
waste and improve the quality of products during design and manufacturing, and to
assure that all process output is under control.
MSA is used to evaluate the test method, measuring instruments, and the entire process
of obtaining measurements to ensure gage accuracy, repeatability, reproducibility,
and correlation for duplicate gages to secure the accuracy and precision of the
measurement of the “significant characteristics” identified in the Control Plan.
SPC is used to monitor and control the process’s “significant characteristics”
to ensure the process operates at its full capability and is under control.
The combination of PFMEA, CP, MSA, and SPC allows the process to handle any number
of products while minimizing waste and redesigns.