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Copyright © JAZE Tech 2020
Not to be copied or distributedwithout the express written permissionof JAZE Tech. www.jazetech.com
IoT and Product Quality
To understand product quality, one must understand the
following definitions:
Quality Control (QC): Performing inspection operationsAFTER
theproduct is manufactured to ensure that defective product
does not reach the customer.
Quality Assurance (QA): Building quality into the manufacturing operation to either
PREVENT defective products (Poka Yoke)* from being produced, or to DETECT a
defectiveproduct (JIDOKA)* andeliminatethepossibilityfromproducing aseconddefect.
The difference between QC and QA is that with QC, you are inspecting the product
after the defect has occurred. With QA, you are preventing the defect from ever
occurring in the first place. Inspecting in quality is never a 100% proposition.
Companies who relystrictlyoninspectionthrough QCmethodswillmost certainlypass
defects onto their customers.
Many manufacturing processes consist of hundreds, sometimes thousandsofvariables
that need to be controlled in order to ensure a qualityproduct. This is where IoT plays
a significant role. Production variables can be monitored in real time and adjusted
accordingly when they are out of the required specification. This ensures a quality
product every time, resulting in lower production costs and superior customer
satisfaction, customer loyalty and profitable revenue growth.
Quality Facts and Statistics
 The ‘Cost of Poor Quality” (COPQ) has been estimated to cost a business anywhere
from 15% to 25% of their reported revenues.
 6 Sigma Qualitymeans that therewill onlybe 3.4 defectsper millionparts produced.If
the airlines operated at 6 Sigma quality levels, there would be a commercial airline
crash every three days, somewhere on the globe.
 Poor product quality has been cited as the primary root cause for missed delivery
commitments, long lead-times to the customer, higher production costs, and loss of
customers and related revenue.
 Approximately35%ofsurveyed manufacturers expect that product qualitywillbetheir
greatest priority.
*POKA YOKE and JIDOKA are Japanese terms that originated from the Toyota Production System, which
has evolved into Lean Manufacturing.

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IoT in Manufacturing - Product Quality

  • 1. Copyright © JAZE Tech 2020 Not to be copied or distributedwithout the express written permissionof JAZE Tech. www.jazetech.com IoT and Product Quality To understand product quality, one must understand the following definitions: Quality Control (QC): Performing inspection operationsAFTER theproduct is manufactured to ensure that defective product does not reach the customer. Quality Assurance (QA): Building quality into the manufacturing operation to either PREVENT defective products (Poka Yoke)* from being produced, or to DETECT a defectiveproduct (JIDOKA)* andeliminatethepossibilityfromproducing aseconddefect. The difference between QC and QA is that with QC, you are inspecting the product after the defect has occurred. With QA, you are preventing the defect from ever occurring in the first place. Inspecting in quality is never a 100% proposition. Companies who relystrictlyoninspectionthrough QCmethodswillmost certainlypass defects onto their customers. Many manufacturing processes consist of hundreds, sometimes thousandsofvariables that need to be controlled in order to ensure a qualityproduct. This is where IoT plays a significant role. Production variables can be monitored in real time and adjusted accordingly when they are out of the required specification. This ensures a quality product every time, resulting in lower production costs and superior customer satisfaction, customer loyalty and profitable revenue growth. Quality Facts and Statistics  The ‘Cost of Poor Quality” (COPQ) has been estimated to cost a business anywhere from 15% to 25% of their reported revenues.  6 Sigma Qualitymeans that therewill onlybe 3.4 defectsper millionparts produced.If the airlines operated at 6 Sigma quality levels, there would be a commercial airline crash every three days, somewhere on the globe.  Poor product quality has been cited as the primary root cause for missed delivery commitments, long lead-times to the customer, higher production costs, and loss of customers and related revenue.  Approximately35%ofsurveyed manufacturers expect that product qualitywillbetheir greatest priority. *POKA YOKE and JIDOKA are Japanese terms that originated from the Toyota Production System, which has evolved into Lean Manufacturing.