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Overhead view of one arrangement of front and end vise positions on a workbench. There are two main locations for a vise (vice in UK English sp.) or vises on a workbench: on the front, a workbench's long face, known as a "front" ("face", or "shoulder") vise, and on the end, known as a "tail" vise.
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A bench vise, B machine vise, C hand vise. A vise or vice (British English) is a mechanical apparatus used to secure an object to allow work to be performed on it.Vises have two parallel jaws, one fixed and the other movable, threaded in and out by a screw and lever.
Many differential screw configurations are possible. The micrometer adjuster pictured uses a nut sleeve with different inner and outer thread pitches to connect a screw on the adjusting rod end with threads inside the main barrel; as the thimble rotates the nut sleeve, the rod and barrel move relative to each other based on the differential between the threads.
A backplate with threads may screw onto a threaded spindle nose (for lathe work) or onto an adapter plate with the same nose, to be mounted on the table of milling machines or surface grinding machines. This "threaded spindle nose" type of mounting was the typical method in the 19th century through 1930s.
After the Greenfield factory burned down, the company was reorganized as the Millers Falls Manufacturing Co. [1] It merged with Backus Vise Co. in 1872 to form Millers Falls Co.. [ 3 ] In 1931 Millers Falls tools purchased the majority of the shares of Goodell-Pratt tools and merged with that manufacturer in 1932.
Tightening the fastener by turning it puts compression force on the materials or parts being fastened together, but no amount of force from the parts will cause the screw to turn backwards and untighten. This property is also the basis for the use of screws in screw top container lids, vises, C-clamps, and screw jacks. A heavy object can be ...
Drill chucks mounted by Jacobs tapers onto arbors with Morse tapers for the spindle. Spindle nose on a lathe headstock. The small female taper is a Morse taper to take a lathe center or a tool such as a twist drill. The large male taper takes a lathe chuck, which is retained by the large nut.