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2. Machine taper - Wikipedia

   en.wikipedia.org/wiki/Machine_taper

   The R8 system is commonly used with collets ranging in size from 1 ⁄ 8 ″ to 3 ⁄ 4 ″ in diameter or tool holders with the same or slightly larger diameters. The collets or tool holders are placed directly into the spindle and the drawbar is tightened into the top of the collet or tool holder from above the spindle.

3. Micro lathe - Wikipedia

   en.wikipedia.org/wiki/Micro_lathe

   A micro lathe (also styled micro-lathe or microlathe) is a machine tool used for the complex shaping of metal and other solid materials. Micro lathes are related to (full-sized) lathes but are distinguished by their small size and differing capabilities, application, use, and locations.

4. Metal lathe - Wikipedia

   en.wikipedia.org/wiki/Metal_lathe

   In machining, a metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to machine metals ; however, with the advent of plastics and other materials, and with their inherent versatility, they are used in a wide range of applications, and a broad range ...

5. Sandvik Coromant - Wikipedia

   en.wikipedia.org/wiki/Sandvik_Coromant

   The birth of the T-Max holder and the use of indexable inserts. [4] [5] 1969: Heat-resistant Gamma Coating, or GC, is introduced as a grade. [6] 1972: The Multi-Service marketing campaign is created, and the yellow coat becomes an important symbol. Tool-pool, machine-adapted tool recommendations and mini-catalogs are made available. [7]

6. Lathe - Wikipedia

   en.wikipedia.org/wiki/Lathe

   Modern metal lathe A watchmaker using a lathe to prepare a component cut from copper for a watch. A lathe (/ l eɪ ð /) is a machine tool that rotates a workpiece about an axis of rotation to perform various operations such as cutting, sanding, knurling, drilling, deformation, facing, threading and turning, with tools that are applied to the workpiece to create an object with symmetry about ...

7. Chuck (engineering) - Wikipedia

   en.wikipedia.org/wiki/Chuck_(engineering)

   These chucks require a toothed key to provide the necessary torque to tighten and loosen the jaws. When the key is turned its teeth mate with teeth on the chuck, turning an internal screw which in turn moves the threaded jaws in or out along a tapered surface. The taper allows the jaws to clamp drill shanks of a range of diameters. The end view ...