When I was starting with column drills, I discovered all the terms for the various parts and measurements truly perplexing. This post is created to assist you if you are attempting to select a drill and also have to recognize exactly what all the terminology and lingo means.


Parts Found on Pillar Drills


Drill head— the assembly that composes the chuck, pin, drill little bit, electric motor and pulleys.


Base— the heavy “foot” of the machine that is bolted to the floor in the case of a larger column drill or the workbench in the case of a smaller bench-mounted drill.

Column— this is the vertical column that provides the pillar drill one of its names (confusingly, its various other usual names are “bench drill” and also “drill press”).

Spindle— the upright axle that is in line with the drill bit and also links the chuck to the drill head.

Chuck— the setting up that fits onto the spindle as well as holds the drill little bit.


Table— this is often little bit more than a walk in smaller sized bench drill models. It’s the support for the work item to be drilled, as well as is connected to the column some distance listed below the head as well as above the base. Tables can be rectangle-shaped or round, as well as some can be tilted to permit tilted exploration through a work item. Column drill devices can be acquired to secure or cradle work items in different angles.

Deepness scale— a setting that makes it possible for the bench drill to drill a hole part-way through a work item.



The Significance of Dimensions in Drill Requirements


Throat range— this is the dimension from the nearest edge of the pillar to the spindle centre.


Swing— this is a common measure of the ability of pillar drills as well as is defined as twice the throat range, or to place it another method, the optimum dimension of disc where you could pierce a central opening.

Spindle taper— this specifies the form of completion of the pin. There are long, short, women as well as male types. The chuck needs to be compatible with the spindle taper.


Collar Diameter— this is the external size of the collar or chuck setting up that holds the little bit.

Chuck size— this is the diameter of the internal opening of the chuck assembly, so it defines the maximum size of little bit stem that the drill can take. Because of this it is likewise known merely as the exploration capacity.


Pin travel— this is the amount whereby the pin can be decreased or elevated up and down and also defines the maximum depth of hole you could drill in one pass.

Optimum range spindle-to-table— this distance defines the deepest work item that you can get onto the table.


Optimum distance spindle-to-base— this is similar to the above as well as specifies the maximum depth of job item you could pierce with the table eliminated.


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