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Rotary Table

18 Feb

A rotary table is described as a precision device used for work positioning. The rotary table which is commonly used in metal work makes it possible for a metal worker to drill. In addition, it enables the metal worker to cut their work on fixed axes at specific intervals. There are different types of rotary tables. Some tables allow users to make use of indexing plates for indexing related operations while others allow users to fit dividing tables which then results in effective work positioning.

 

A rotary table has numerous uses. It may for instance be used for purposes of machining spanner flats on bolts, drilling holes that are equidistant on circular flanges and cutting round pieces with protruding tangs. In addition, a rotary table may also be used by a metal worker to create holes with large diameters on milling machines that are small and lack enough energy to power big twist drills. Moreover, they may be used for purposes of mixing helixes and also for cutting complex curves.

 

A rotary table has numerous parts and components all with different functions. However, the most crucial part on this table is the work table. The work table consists of a spherical working area. On this area are four t- slots which are used with clamps for purposes of mounting work pieces. A rotary table also comes with a clank handle that allows users to rotate the work table either clockwise or anti clockwise. The clank handle has been geared to ensure that rotates the table with just a single revolution. The clamp levers on the table help to ensure that once an angle has been selected, the table remains fixed. There are two bases on these tables. One base is used for vertical rotation while the other is used for horizontal rotation. The indexing pin on the rotary table allows the metal worker to locate and lock onto general angles.

 

When converted to operations that are stepper motor with CNC milling machines as well as tail stocks, the table makes it possible for metal workers to make parts that would otherwise require the use of a lathe. Often times, the rotary table is mounted flat on a similar plane as cutters on vertical milling machines. However, the table has to be spun on a perpendicular axis. To use the table work piece, certain things are required. These are the table itself, index plates, tailstock, milling machine, dial indicator, test bar, wrench and a dead-blow hammer. When using the table, the first step involves the metal worker mounting the table onto a milling table. The user has an option of mounting the table either in horizontal or vertical configurations. Subsequently, if in vertical position, the table should be aligned. The users should then fix the tailstock onto the milling table and set up the index plates. At this point, its ready for use. When using the table it is important that the user adheres to all safety guidelines.

 

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Article Source: http://EzineArticles.com/?expert=Gordon_Petten

Article Source: http://EzineArticles.com/3194924

 
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Posted by on February 18, 2016 in Machinery

 

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