zielsicher Englisch, Metalltechnik, Schulbuch

Match the sentence parts. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Scribing is Scribing tools are The choice of the right scribing tool Steel scribers with a hardened tip Copper zinc alloyed scribers are When scribing on soft materials, such as aluminium, A scriber, a scratch gauge and a marking gauge In order to center correctly, the centre punch Then, the centre punch has to be A centre square is a scribing tool for determining A B C D E F G H I J depends on the material of the work piece. are used for engraving (or scratching) straight lines. are used for metal materials. transferring the dimensions of a drawing onto the work piece. a fine liner is used. the centre of a shaft or of other cylindric work pieces. scribers and dividers. for extremely hard materials in order to save details onto the surface of the work piece. has to be held at an angle to make the centre visible. put vertically. Now start centre-punching. Answer the questions. 1. Name the scribing tools. divider, scribers, scratch gauge, marking gauge 2. What is scribing? Scribing is transferring the dimensions of a drawing onto the work piece. 3. How do you have to hold a centre punch? The centre punch has to be held at an angle to make the centre visible, then vertically. Mosaic Find the seven hidden words. A S F F E E L E R G A U G E A N R I S T P C C G P R O T R A C T O R Q E R T H G A L B R H O T R I J O N H L D I A L G A U G E Y I I P U V E R N I E R C A L L I P E R M Z B L R M S D E F G H J K L C Y X W Z O I C E M S L X C E N T R E P U N C H M B A E D R N S T R A I G H T E D G E P O R W E S 08 A2–B1 Word bank 08 hardened tip gehärtete Spitze copper zinc alloyed Kupfer-Zink-Legierung aluminium (BE)/aluminum (AE)  Aluminium determine bestimmen 09 A2–B1 47 8 Testing, measuring, scribing Nur zu Prüfzwecken – Eigentum es Verlags öbv