Hot and cold forging, rolling, extrusion, and wire drawing. Group 3: Separating / Dividing ( Trennen )
Changing the shape of a solid body by applying force, without adding or removing material (e.g., forging, rolling, bending).
This edition is historically important because it refined the language, updated definitions, and introduced new processes like "forming by internal high pressure". It is also superseded, but is still widely cited in older technical literature.
Casting, sintering, and 3D printing (additive manufacturing). Cohesion is created from scratch. 2. Forming (Umformen) din 8580 english pdf top
If you need an English version for general reference or to understand the system's fundamental logic, the is acceptable, as the core six-group structure has remained consistent. However, for legally binding contracts, audits, or projects referencing the latest technological developments (e.g., new forming or joining methods), you must use the current German 2022-12 edition. The official source for purchasing this standard is DIN Media.
Offers earlier versions for historical context, such as the 1974 version.
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Molding from a plastic or gaseous state (e.g., plastic injection molding).
Forming involves changing the shape of a solid body plastically without altering its mass or material cohesion. The material is intentionally stressed beyond its yield point but below its fracture limit. Cohesion is retained. It is also superseded, but is still widely
For professionals who only require the structural framework rather than the certified legal text, comprehensive summaries can be found in academic literature. Textbooks such as the Handbook of Mechanical Engineering (Dubbel) or generalized manufacturing technology manuals reproduce the complete DIN 8580 classification tables in English. Summary Table: DIN 8580 at a Glance Group Number Process Group (English) Process Group (German) Action on Cohesion Typical Examples Primary Shaping Urformen Creates cohesion Sand Casting, Injection Molding, 3D Printing Group 2 Umformen Alters/Preserves shape Forging, Deep Drawing, Bending Group 3 Dividing / Separating Trennen Reduces cohesion Milling, Laser Cutting, Drilling Group 4 Fügen Increases cohesion MIG/TIG Welding, Adhesive Bonding, Riveting Group 5 Beschichten Applies formless layer Powder Coating, Electroplating, PVD Group 6 Changing Properties Stoffeigenschaften ändern Alters internal structure Induction Hardening, Annealing, Shot Peening
While many international standards focus on dimensions or tolerances, DIN 8580 focuses on methodology . It categorizes processes based on the physical changes occurring in the workpiece.
Joining processes bring two or more solid parts together permanently or temporarily. This increases the total cohesion by utilizing geometric interlocking, material bonding, or force-fitting. Cohesion is increased/applied locally.
When engineering teams span multiple continents, colloquial process names can cause costly misunderstandings. Referring to a process by its DIN 8580 classification ensures that designers, procurement teams, and factory floor managers share an identical understanding of the manufacturing physics involved. 2. Integration with CAD/CAM and Industry 4.0
You are auditing a supplier in Vietnam for a German automotive contract. Your checklist includes "Does the supplier correctly classify rework processes?" You open the PDF, navigate to Group 2.3 (Machining with geometrically defined cutting edges), and verify their milling rework process code. If they cannot produce the code, they fail the audit.