Saturday, November 20, 2021

Knowledge for Industrial Engineering - Engineering and Industrial Engineering Approach, Methods and Techniques

IEKC Industrial Engineering ONLINE Course Notes


Engineering Knowledge in All Engineering Branches.

To be acquired by industrial engineers working in companies related to those engineering branches

Product Design

Production Engineering - Realizing the Design as Product

Engineering Product Purchase Evaluation

Product Operation

Product Maintenance

Product Retirement

Product Recycling


Industrial Engineering Approach, Methods and Techniques

Industrial Engineering Objective or Purpose

The core purpose of industrial engineering is productivity improvement.

Who said. F.W. Taylor - Father of Industrial Engineering.

He described his system for increasing productivity in a 1895 paper. He set up the first department dedicated to productivity improvement - Elementary Rate Fixing Department in 1885.  It evolved over the years. Its main function is improving the production processes using time as a measurement. The focus is on reducing machine time through increasing cutting speed, feed and depth of cut. The work of many machinists or operators is studied by observing time to find the method of work that gives the lowest time. Further science of this element of work is developed through repeated observation. Productivity science so developed will be used to develop the new way of doing the element of work. This is productivity engineering.


Productivity improvement has to result in the reduction of unit of cost of the product. The reduction is utilized to reduce prices to increase revenues and profits. The purpose of industrial engineering is to increase revenue and profits through cost reductions that are scientific and rational. This cost reduction through productivity improvement results in competitive advantage to the companies that first realize the cost reduction.

Productivity improvement, that reduction of machine time and man time required to produce a product should not have any negative effect on quality. It mean quality has to be kept in focus in developing modifications to the existing process or in creating a new process.

The productivity improvement achievement by running the machines at higher speeds, feeds and depths of cut should not increase the wear and tear of the machine that creates loss.

The productivity improvement achievement should not lead to more tool wear and breakage that leads to losses. 

The productivity improvement achieved through operators producing more output in the same time should not lead to discomfort, accidents and health problems. 

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