Gun drills are the most accurate, fast and capable type of drills that manage to cut deep holes on metal materials through a controlled release of highly compressed fluids. Those drills are the only ones that can bore holes of depth to diameter ratios of about 350.
Around this fluted rod that is essentially the drill, circulates the coolant that keeps drilling temperatures below melting point for both the drill and the workpiece while the chips that are produced from the process flow outside the drilled hole.
Attributes
Gun drill manufacturers pay special attention to the drill tip material as it is the point that receives the most severe fluid pressure. In order for this tip to have prolonged lifetimes and stay free of deformations, it is made out of strong metal alloys or even composite materials.
There is no other type of drill that can compete with the astonishing cutting rates achieved by gun drills. At high speed modes, quality gun drills can bore steel metals at a rate of 75 cm per minute or more. This is combined with unparalleled cutting accuracy that produces cuts of perfect surface finishing that normally won't need any hand polishing in most cases.
Uses
Gun Barrels
The most common application of gun drilling machines is for boring gun barrels. This is exactly where those tools got their name from after all. All gun barrels feature the high depth to diameter ratios that only gun drills can realize.
Gun drilling machines are ideal for the particular application as the perfect finishing of the inner surface of the gun barrel ensures the unobstructed and unaffected trajectory of projectiles. Moreover, the accuracy of the cuts ensures coherent barrel thickness which subsequently means homogeneous heating and thus less cracks and longer lifetimes.
Creating Molds
Another case that gun drilling machines can come in handy is that of the molds manufacturing. As molten metals have to flow into casting molds through a deep hole, gun drills are used to make that opening.
Tool Manufacturing
Some special purposed tools such as the extension fitters found in every toolbox wouldn't be producible without the help of gun drill machines. As these tools are usually made out of chromium and vanadium steel alloys, it is very hard to drill holes in them at high levels of precision. Gun drilling can even achieve polygonal features for torque keys etc.
Musical Instruments
Last, gun drilling machines are extensively used in the music instrument manufacturing industry and especially for wind instruments that require deep holes of small diameter. These instruments can be flutes, oboes, bassoons, saxophones, clarinets, trumpets, ocarinas and reeds. As most of these instruments are made out of brass and other soft metals, gun drill machines are required to work with precision and delicacy as the slightest deformation will result in wrong tonal performance.
Around this fluted rod that is essentially the drill, circulates the coolant that keeps drilling temperatures below melting point for both the drill and the workpiece while the chips that are produced from the process flow outside the drilled hole.
Attributes
Gun drill manufacturers pay special attention to the drill tip material as it is the point that receives the most severe fluid pressure. In order for this tip to have prolonged lifetimes and stay free of deformations, it is made out of strong metal alloys or even composite materials.
There is no other type of drill that can compete with the astonishing cutting rates achieved by gun drills. At high speed modes, quality gun drills can bore steel metals at a rate of 75 cm per minute or more. This is combined with unparalleled cutting accuracy that produces cuts of perfect surface finishing that normally won't need any hand polishing in most cases.
Uses
Gun Barrels
The most common application of gun drilling machines is for boring gun barrels. This is exactly where those tools got their name from after all. All gun barrels feature the high depth to diameter ratios that only gun drills can realize.
Gun drilling machines are ideal for the particular application as the perfect finishing of the inner surface of the gun barrel ensures the unobstructed and unaffected trajectory of projectiles. Moreover, the accuracy of the cuts ensures coherent barrel thickness which subsequently means homogeneous heating and thus less cracks and longer lifetimes.
Creating Molds
Another case that gun drilling machines can come in handy is that of the molds manufacturing. As molten metals have to flow into casting molds through a deep hole, gun drills are used to make that opening.
Tool Manufacturing
Some special purposed tools such as the extension fitters found in every toolbox wouldn't be producible without the help of gun drill machines. As these tools are usually made out of chromium and vanadium steel alloys, it is very hard to drill holes in them at high levels of precision. Gun drilling can even achieve polygonal features for torque keys etc.
Musical Instruments
Last, gun drilling machines are extensively used in the music instrument manufacturing industry and especially for wind instruments that require deep holes of small diameter. These instruments can be flutes, oboes, bassoons, saxophones, clarinets, trumpets, ocarinas and reeds. As most of these instruments are made out of brass and other soft metals, gun drill machines are required to work with precision and delicacy as the slightest deformation will result in wrong tonal performance.
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