zielsicher Englisch, Metalltechnik, Schulbuch

Name the two testing methods and their results. Be careful, there is an exception! Write this exception in the box. subjective testing/senses objective testing/gauging and measuring result: good, rework or reject result: measured value Exception: A measured value is the result only for measuring. Gauging does not give an exact value. Name the measuring tools and gauging tools. measuring tools gauging tools vernier calliper, dial gauge, protractor, external micrometer feeler gauge, straightedge, radius gauge, limit-gap gauge Explain the term “scribing”. Scribing is transferring the dimensions of a drawing onto the work piece. Name three scribing tools and which materials they are used for. Steel scribers with a hardened tip are used for metal materials. Copper zinc alloyed scribers are used for extremely hard materials. Fine liners are used for soft materials such as aluminium. Name the scribing tools for engraving (or scratching) straight lines. scriber, scratch gauge, marking gauge Name the scribing tool to determine the centre of a shaft or of other cylindric work pieces. centre square 15 A2 16 A2 17 A2 18 A2–B1 19 A2 20 A2 What I can now do: ●● I can name the two testing methods and their results.  ➤ 15 Ich kann die zwei Testmethoden und ihre jeweiligen Resultate nennen. ●● I can name measuring and gauging tools.  ➤ 16 Ich kann die Messwerkzeuge und die Lehren aufzählen. ●● I can explain the term “scribing”.  ➤ 17 Ich kann den Begriff „anreißen“ erklären. ●● I can name the scribing tools and which materials they are used for.  ➤ 18 Ich kann die Anreißwerkzeuge benennen und für welche Materialien sie gebraucht werden. ●● I can name the scribing tools for engraving (or scratching) straight lines.  ➤ 19 Ich kann die Anreißwerkzeuge für gerade Risslinien benennen. ●● I can name the scribing tools to determine the centre of a shaft or of other cylindric work pieces.  ➤ 20 Ich kann die Anreißwerkzeuge benennen, um die Mitten bei Wellen und Bohrungen anzureißen. 8 Testing, measuring, scribing Check yourself 49 Nur zu Prüfzwecken – Eigentum des Verlags öbv