Manufacturing process

All processes for the production of geometrically determined bodies with predetermined technical properties and dimensions are referred to as manufacturing processes. In addition, material-changing methods such as hardening or soft annealing also belong to the manufacturing processes.
Under the preamble of manufacturing methods, the individual methods are divided into six main groups according to their common features. These are described in more detail in DIN 8580 and categorized in subgroups and process variants. Manufacturing processes serve both for the production of semifinished products for further processing and for the production of final products.

What does the term manufacturing process mean?

In principle, all methods used in manufacturing technology for producing a workpiece are referred to as manufacturing methods. The concept of the manufacturing process is to be delimited by the process technology which describes the production of bodies without a certain form.

As a rule, different manufacturing methods are combined with one another for producing a workpiece. The individual production methods can be carried out either manually or automatically.

In the metal- or plastic-processing industry, the production of a workpiece usually begins with a primordial process such as casting. A body with a defined shape is produced from an undefined material mass. This body can then be reshaped, machined, joined or coated in the further process steps. In the last step, depending on the desired result, the material properties of the material are often changed in a targeted manner.

What groups are there?

The six main groups will be described in more detail below and deposited with examples from the production technology:

Urforms: The original form is used to produce a body with a defined geometric shape from a previously formless material. Depending on the method, the starting material can be either liquid, vaporous or also in powder form. Examples of original manufacturing methods are

DIN 8580 uses a subdivision system to facilitate the allocation and categorization of the individual production processes. A separate order number is assigned to each method: The main group determines the first digit and the subcategory determines the second digit.

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