zielsicher Englisch, Metalltechnik, Schulbuch

Name the non-cutting operations we were talking about in this unit. casting, metal forming (bending, forging, fine sheet metal forming) Name the three different casting techniques. Explain when casting is used. Sandcasting, gravity die casting, pressure die casting. Casting is used when the production of a work piece becomes too expensive using other methods. Label the following tools and name the non-cutting operation they are used for. 1 2 3 4 5 6 forge tongs knife mould a pair of pincers forging hammers bending machine forging knife edge cutting casting cutting with two approaching blades forging bending Name some advantages and disadvantages of forging. advantages: saving material, saving time, higher strength of the work piece disadvantages: less accuracy, temperatures that are too high burn the material and make it unusable. Name the two forging techniques. free-form forging, closed die forging 18 A2 19 A2 20 A2 21 A2 22 A2 What I can now do: ●● I can name the non-cutting operations.  ➤ 18 Ich kann nichtspanende Bearbeitungsprozesse aufzählen. ●● I can name the three casting techniques and I can say when casting is the best choice.  ➤ 19 Ich kann die drei Gießverfahren aufzählen und erklären, wann Gießen angewendet wird. ●● I can name the tools and describe the non-cutting operations they are used for.  ➤ 20 Ich kann die Werkzeuge benennen und angeben, bei welcher nichtspanenden Bearbeitung sie angewendet werden. ●● I can name the advantages and disadvantages of forging.  ➤ 21 Ich kann die Vor- und Nachteile des Schmiedens erklären. ●● I can name the two forging techniques.  ➤ 22 Ich kann die zwei Schmiedetechniken nennen. 15 Non-cutting operations in detail Check yourself 83 Nur zu Prüfzwecken – Eigentum des Verlags öbv