The Specialized Machine Tool Used For Producing Deep, Straight Holes In Various Materials-Gun Drilling Machine

Gun drilling machine is a specialized machine tool used for producing deep, straight holes in various materials. It is commonly used in industries like automotive, aerospace, and medical for applications that require precision drilling.

Gun drilling involves the use of a long, thin drill bit called a gun drill. The drill bit is guided by a tool guide bushing and supported by a high-pressure coolant system to remove chips and cool the drill bit. The drill bit is rotated slowly, while high-pressure cutting oil is pumped through the drill bit to flush away the chips and lubricate the cutting area. The drilling process is typically performed in multiple passes, with each pass increasing the diameter of the hole gradually until the desired size is achieved.

Gun drilling machines are widely used in various industries due to their ability to produce long, accurate holes with high surface finish. Some common applications include:

Automotive industry: Gun drilling is used to produce engine components such as crankshafts, camshafts, and connecting rods.

Aerospace industry: Gun drilling machines are used to create precision holes in turbine blades, landing gear components, and airframe parts.

Medical industry: Gun drilling is utilized in the production of surgical instruments, orthopedic implants, and medical devices that require high precision and tight tolerances.

Mold and die industry: Gun drilling is used for producing deep cooling channels in injection molds and stamping dies.

In conclusion, gun drilling machines are versatile tools that are used in various industries for producing deep, straight holes with high accuracy and surface finish.