hobbing
21Helmut Nicolai — Helmut Alphons Gottfried Nicolai (* 8. September 1895 in Berlin; † 11. Dezember 1955 in Marburg) war ein deutscher Jurist im Dienste des NS Regimes. Inhaltsverzeichnis 1 Familie, Studium und Beamtenlaufbahn 2 Tätigkeit bei der NSDAP …
22Liste der literarischen Werke Friedrichs des Großen — Diese Liste enthält die literarischen Werke König Friedrichs II. von Preußen (1712–1786) nach den beiden maßgeblichen Gesamtausgaben in Französisch von 1846 56 und in Deutsch von 1913/14. Inhaltsverzeichnis 1 Französische Ausgabe 1.1 Oeuvres 1.2… …
23machine tool — machine tooled, adj. a power operated machine, as a lathe, used for general cutting and shaping of metal and other substances. [1860 65] * * * Stationary, power driven machine used to cut, shape, or form materials such as metal and wood. Machine… …
24Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …
25Milling machine — For the machine used in road construction, see Asphalt milling machine. Not to be confused with mill (grinding). Example of a bridge type CNC vertical milling center …
26Tap and die — Not to be confused with Tool and die. Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the… …
27Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
28Grinding wheel — Grinding wheels A grinding wheel is an expendab …
29Lathe (metal) — Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers A metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to… …
30Mechanical Engineering Heritage (Japan) — Myriad year Japanese clock, Heritage No. 22 The Mechanical Engineering Heritage (Japan) (機械遺産, kikaiisan …
