BTA Deep Hole Drilling & Boring Machine Versatile, Powerful, Precise

BTA deep hole drilling and boring machine Key Specifications

Parameter	Value
Drilling range	Φ20 – Φ65mm
Boring range	Φ25 – Φ60mm
Machining depth	1500mm
Workpiece length range	500 – 1500mm
Workpiece OD range	Φ40 – Φ180mm
Drill box speed	30 – 1000r/min
Headstock speed	30 – 1000r/min
Drill box motor power	22kW
Headstock motor power	22kW
Drill box spindle bore	75mm
Headstock spindle bore	75mm
Max output torque	1500Nm
Max feed force	50kN
Max clamping force	50kN
Coolant max pressure	2.5MPa
Coolant max flow	200L/min
Tank capacity	approx. 3500L
Filtration precision	50μm
Machine footprint	9m × 3.5m
Total power	70kW

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BTA deep hole drilling and boring machine Key Features

BTA drilling – efficient chip evacuation through tool bore

Push boring – forward chip discharge through workpiece

Dual 22kW servo spindle motors – high torque for tough materials

GSK CNC control – user-friendly and reliable

Two aging treatments on castings – long-term stability

Hardened double rectangular guideways – high wear resistance

V-shaped internal ribs – high rigidity, minimal vibration

2.5MPa high-pressure coolant – efficient chip removal

50μm drum filtration – clean cutting oil

3500L tank capacity – extended operation

Automatic hydraulic clamping – fast, secure positioning

12kW oil cooler – temperature control for precision

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BTA deep hole drilling and boring machine Main Components

Component	Description
Bed	Resin sand casting, V-ribbed, hardened guideways, oil return grooves
Headstock	22kW motor, 30-1000rpm, 75mm bore, 1500Nm torque
Oil-Pressure Head	Servo-driven axial movement, tool guidance, clamping
Drill Box	22kW motor, 30-1000rpm, 75mm bore, tool holder adapter
Tool Bar Support	High-rigidity monolithic, automatic retraction
Cooling System	2.5MPa, 200L/min, 3500L tank, 50μm drum filter
Feed Carriage	Servo-driven, automatic lubrication
Workpiece Support	V-block, manual T-screw adjustment

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Workpiece Clamping Process

Place workpiece on support

Headstock chuck clamps left end

Oil-pressure head automatically presses right end

Machining begins

Tool retracts after completion

Workpiece removed

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Cooling System Features

Above-ground steel tanks – no pit excavation

Chain-type chip conveyor – automatic chip removal

Drum-type paper belt filter – 50μm precision

Oil cooler – 12kW cooling capacity

Digital display for pressure, level, temperature, flow

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Why Choose This BTA deep hole drilling and boring machine ?

Benefit	Reason
Two operations in one	BTA drilling + push boring
Powerful cutting	22kW dual spindles, 1500Nm torque
Long workpiece capability	1500mm depth
High feed force	50kN Z-axis thrust
Clean operation	50μm filtration, 2.5MPa coolant
Stable accuracy	Double aging-treated castings
Rigid construction	V-ribbed bed, hardened guideways
Reliable control	GSK CNC system

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Typical Applications

Hydraulic cylinder tubes

Actuator barrels

Transmission shafts

Precision deep bores

Valve bodies

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