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2. Shaft collar - Wikipedia

   en.wikipedia.org/wiki/Shaft_collar

   Shaft collar to DIN 705. The shaft collar is a simple, yet important, machine component found in many power transmission applications, most notably motors and gearboxes. The collars are used as mechanical stops, locating components, and bearing faces. The simple design lends itself to easy installation.

3. Drawbar (machine tool) - Wikipedia

   en.wikipedia.org/wiki/Drawbar_(machine_tool)

   The drawbar pull is an important component that allows the milling machine to keep the tool in place while it’s being used. The force from the drawbar pull supplied to the tool has to be just right because not enough force would cause the tool to wobble leading to inaccuracy, and too much force would apply a lot of stress leading to shorter tool life.

4. Chuck (engineering) - Wikipedia

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

   The latter allows easy, rapid opening and closing of the collet. The drawbar's inner diameter determines the through-the-spindle bar diameter capacity of the lathe. Some collet-closer systems even allow opening and closing without stopping the spindle rotation. The closer on a manual lathe is either lever-style or handwheel-style.

5. Screw mechanism - Wikipedia

   en.wikipedia.org/wiki/Screw_mechanism

   As the screw shaft rotates, the nut moves linearly along the shaft. This is a type called a lead screw. A machine used in schools to demonstrate the action of a screw, from 1912. It consists of a threaded shaft through a threaded hole in a stationary mount. When the crank on the right is turned, the shaft moves horizontally through the hole.

6. Collet - Wikipedia

   en.wikipedia.org/wiki/Collet

   A W-type external-thread collet (red) being pulled into its spindle seat (green) with a drawbar (blue), clamping, rotating and then releasing a shaft. A collet / ˈ k ɒ l ɪ t / is a segmented sleeve, band or collar. [1] [2] One of the two radial surfaces of a collet is usually tapered (i.e a truncated cone) and the other is cylindrical.

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