Manufacturing as a function

 If we treat manufacturing as a function, which definition is:

Product = Manufacturing(Man, Machine, Material, Method, Environment).

As for which, Product(final product, or semi-final product), is the output of Manufacturing.

Man, is for production line workers.

Machine, is for production line machines.

Material, is for raw component material, or semi-final product build in previous operations.

Method, is for working instruction and quality standard.

Environment, is for working environment and related preparation operations, such as preparation of tools & fixtures & measuring device, and calibration of testing devices.

Below diagram shows the process relationship of manufacturing elements.

Below table shows the layer relationship, response department(marked in parentheses), key management elements of manufacturing process.