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Components and Uses of Rotary Tables
Rotary table enables the process of drilling holes on a drilling rig by providing rotational force to the string of the drill. It is a precision work positioning devices that is used in metalworking. With such a table, an operator can cut or drill the work around a fixed axis.
Here are the components of a rotary table:
Rotary Locks
Almost all the rotary tables have rotary lock. The lock prevents the table from turning in one direction or from turning at all. This component is mostly used as an alternative of using a second pair of tongs for breaking out or making the pipe.
Chain Drive
Most of the rotary tables are operated by chain. These chains are similar to the large bicycle chains and you need to constantly oil them to prevent from jamming or burning.
Bushings
Bushings are present at the center of the table and can be removed in two separate pieces. The large gap in the rotary bushing center is called bowl. In bowl, slips are set for holding the drill string when the pipe and connections trips. These bushings connect to the Kelly bushings for inducing the spin which is required for drilling.
Most of the rotary tables are nowadays no coming with rotary drives. Instead, they have top drive technology where the drill string is moved by mechanism located at the Kelly.
There are some rotary tables that use index plates for the purpose of indexing, whereas, others come with dividing plates. These plates lead to the regular work positioning at divisions where indexing plates cannot be used.
Rotary tables are used for machining spanner flats on bolt, for drilling equidistant holes on circular flanges, cutting round pieces as well as for creating large diameter-holes which small milling machines fail to do.
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LINEAR STAGE ACTUATOR TABLE 24 TRAVEL 025 LEAD US $899.00
|
LINEAR STAGE ACTUATOR TABLE 13 TRAVEL HEAVY DUTY US $899.00
|
LINEAR STAGE ACTUATOR TABLE 18 TRAVEL 025 LEAD US $685.00
|
|
LINEAR STAGE ACTUATOR TABLE 12 TRAVEL LOW PROFILE 10 US $479.00
|
LINEAR STAGE ACTUATOR TABLE 12 TRAVEL SCREW 025 US $479.00
|
LINEAR STAGE ACTUATOR TABLE 8 TRAVEL LOW PROFILE 025 US $469.00
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 LINEAR STAGE ACTUATOR TABLE 8 TRAVEL LOW PROFILE US $449.00
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 LINEAR STAGE ACTUATOR TABLE 12 TRAVEL LOW PROFILE US $389.00
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 LINEAR STAGE ACTUATOR TABLE 65 TRAVEL 025 LEADSCREW US $369.00
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