Processing results

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The parts drilled at our company are rolling rolls of steel mills for steel-related products, cylinders of injection molding machines and extruders for industrial machinery, center holes for screws, aircraft engines and parts, ship propeller shafts and precision machinery. Used for journal bearings, etc.

In this way, the BTA deep hole drilling technology is used throughout all industries.

Aerospace industry	Aircraft leg parts, jet engines, special alloy seamless pipes (Hastelloy, Inconel, Nickel)
Automotive industry	Hydraulic cylinder, piston, camshaft
Railway industry	Vehicle axis
Shipbuilding industry	Propeller shaft, intermediate shaft, engine parts
Steel related	Roll sleeve, pinch roll, calendar roll, mold, coupling, mandrel shaft
Industrial machinery	Hollow shaft, drum shaft, spindle, cylinder for injection molding machine, shield machine parts
Power generation related equipment	Reactor inner pipe, core special pipe, turbine loader, water axle
Oil well gas industry	Stainless steel seamless pipe, oil holes
Defense industry	Cannon barrel
others	Ball screw

Materials range from general steel to difficult-to-cut materials such as aluminum, titanium, Inconel, and copper.
As for the shape, he can process various shapes such as round bars, square lumbers, and irregularly shaped lumbers.

≪ Work fixing / stationary processing example ≫

● Square lumber	SUS420	190L×430L×5,600L	Drill a large number of holes with hole diameters of φ18 and φ20 and a depth of 5,600L.
● roll	SCM440	φ370×φ950×7,500L	Drill a large number of holes with hole diameters of φ25 and φ65 and a depth of 5,900L.
● Manifold block	SS400	700L×800L×1,500L	Drill 65 intermittent holes with hole diameters from φ14 to φ145
● Drill 65 intermittent holes with hole diameters from φ14 to φ145	Chilled	φ465×φ815×6,450L	Penetrate through 30 holes of φ30

≪ Work rotation processing example ≫

● Propeller axis	SF60	φ930/φ315×19,900L	Hole φ125 penetration
● pipe	SM440A	φ780×7,000L	Hole φ700 penetration
● Difficult-to-cut material	Titanium	φ160×2,850L	Hole φ125 penetration
● Difficult-to-cut material	Inconel 718	φ110×2,500L	Hole φ65 x 2,300 Stop
● Nuclear parts	SUS316L	φ250×4,800L	Hole φ95 / φ125 with steps
● Aircraft parts	SCM材	φ180×2,200L	Hole φ50 ～ φ120 8 stepped hole
● Machine related	SCM440	φ100×8,900L	Hole φ30 penetration, 300 times the hole diameter
● Hydraulic cylinder	STKM13A	φ300×6,000L	Hole φ270 penetration, wall thickness 15t
● Rolling roll	R80A	φ680×φ985×7,700L	Weight 35 tons, hole φ135 penetration, φ60 residual core
● Billet	copper	φ280×1,100L	Drilling φ175