The years when plastic injection molding was first used and gained importance were the 18th and 19th centuries.
While the Industrial Revolution was at its peak in these periods, mold manufacturers had to do everything with human power. The shaping of the products, the heat treatment, the retouching, the processing of the metal and the human-powered testing of the design caused a significant loss of time. The uniqueness of any man-made product with other products posed the problem of non-standard production because the construction of no two molds was not exactly the same.
CNS machines and CAD programs are two of the mold production technologies that contribute significantly to the transition from manpower production to computer-aided error-free and mass production:

• CNC Milling Machines

CNC milling machines were initially used as integrated 2D Bridgeport milling machines in addition to CNC machines. Once the product has been released, it has contributed to a faster production and greater number of products for manufacturers, as they enable minimal surveillance and high precision, as well as high speed production. Currently, milling machines have taken their new form with higher speed and more accurate production rate for more complex molds.

• CAD Programs

CAD programs have had a significant impact on the development of mold manufacturing production by streamlining the mold design process.
It has enabled manufacturers to quickly edit and test the product produced, as well as to create 3D processes by keeping up with the 2D technology and developing technologies that can be changed.