June 8, 2019

Inspection Methods Efficiency Engineering

Inspection Productivity Improvement - Inspection Industrial Engineering

Inspection of Output of Engineering Processes is Engineering Activity. Inspection of Machines is Engineering Activity. Inspection of Machine Setup is Engineering Activity. As all engineering activities and outputs are industrial engineered, inspection methods are also redesigned by industrial engineers to increase productivity.

Pioneers of industrial engineering since F.W. Taylor made contributions to improve productivity of inspection activities. 

Statistical quality control methods are promoted by industrial engineering profession as a means of increasing the efficiency of inspection methods.

Method studies were employed to improve the efficiency of inspectors. We have examples of method studies in inspection departments in texts of industrial engineering. Even F.W. Taylor did method studies in inspection departments. (Scientific Management, page 86)

The inspectors were working for ten and half hours every day with a half day Saturday holiday.

Initially the inspectors (all girls) were told that the work day can be made 10 hours and they can do the same work as they are doing now in ten hours and they will be paid the same wage for the day. The girls agreed with the change.

Mr. Thompson recognized that persons of low personal coefficient were required for inspection job.

It is necessary in almost all cases to take definite steps to insure against any falling off in quality before moving in any way towards an increase in quantity. An accurate daily record was kept for each inspector for quantity and quality.

Time study was done. It was observed that after one half hours of work they become nervous. So rest break of 10 minutes was arranged after one and quarter hour.

Differential system was put into practice.

Measurement of output was done each hour and a teacher was sent to correct shortcomings in methods.

35 girls did the work that was previously done by 120 girls. Accuracy of work was two-thirds greater at the higher productivity than at lower productivity. The inspectors received 80 to 100% more wages on average.  (Read the full description of Taylor's work on inspection in Illustrations of Success of Scientific Management - Bicycle Balls Inspection Example - Taylor

Poka Yoke is the recent contribution of industrial engineers in the inspection methods efficiency engineering.

Industrial engineers design number of jigs to make inspection faster and comfortable.

Article Part of the Industrial Engineering Course Articles
Introduction to Industrial Engineering - Course at NITIE

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Originally posted at
http://knol.google.com/k/narayana-rao/inspection-methods-efficiency/2utb2lsm2k7a/ 2595#
Published on the blog in 2011
Updated 22 July 2013

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Updated 9 June 2019,  9 June 2017, 23 July 2013

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