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Numerically Controlled Deep Hole Drill-Boring Lathe
1. Machine Overview 1.1 Machining Range of the Machine Drilling Diameter Range: Φ25mm ~ Φ80mm Boring Diameter Range: Φ30mm ~ Φ100mm Workpiece Outer Diameter Range: Φ140mm ~ Φ460mm 1.2 General Description of the Machine 1.2.1 Machine Functions Boring Operation: Cutting fluid is supplied to the cutting tool through the annular gap between the coolant feeder, tool bar and hole wall, flushing chips out via the pre-drilled bore of the workpiece. The tool travels towards the headstock during the entire machining process. Drilling Operation: Adopting the BTA deep hole drilling method, cutting fluid is fed to the tool through the clearance between the coolant feeder, tool bar and hole wall, and chips are discharged through the internal bore of the tool bar. 1.2.2 Machining Modes of the Machine Workpiece rotating, tool non-rotating with tool feeding Workpiece rotating, tool rotating with tool feeding
Description
1. Machine Overview
1.1 Machining Range of the Machine
Drilling Diameter Range: Φ25mm ~ Φ80mmBoring Diameter Range: Φ30mm ~ Φ100mmWorkpiece Outer Diameter Range: Φ140mm ~ Φ460mm
1.2 General Description of the Machine
1.2.1 Machine Functions
Boring Operation:Cutting fluid is supplied to the cutting tool through the annular gap between the coolant feeder, tool bar and hole wall, flushing chips out via the pre-drilled bore of the workpiece. The tool travels towards the headstock during the entire machining process.
Drilling Operation:Adopting the BTA deep hole drilling method, cutting fluid is fed to the tool through the clearance between the coolant feeder, tool bar and hole wall, and chips are discharged through the internal bore of the tool bar.
1.2.2 Machining Modes of the Machine
Workpiece rotating, tool non-rotating with tool feeding
Workpiece rotating, tool rotating with tool feeding
2 Main Structures of the Machine
Machine bed, headstock, coolant feeder, tool bar support, drill rod box, sliding guideways, gear and rack, cooling system, control system, electrical cabinet, workpiece rest, etc.
3.Working Range
Drilling diameter range: Φ25～Φ80mm
Boring diameter range: Φ30～Φ100mm
Machining depth: 1500mm
Workpiece length range: 500-1500mm
Workpiece outer diameter range: Φ140～Φ460mm
Machine Performance
Z-axis (Drill Rod Box Feed System)
Feed speed range: 5～1000mm/min
Rapid traverse speed: 2000mm/min
Servo motor torque/power: 19Nm/3.1KW
Maximum feed thrust: 50KN
X-axis (Coolant Feeder Movement)
Rapid traverse speed: 2000mm/min
Servo motor torque/power: 19Nm/3.1KW
Maximum tightening force: 50KN
Drill Rod BoxSpindle speed range: 30～1000r/min
Motor power: 30KW | Servo spindle motor
HeadstockSpindle speed range: 30～1000r/min
Motor power: 30KW | Servo spindle motor
Chuck outer diameter: Φ500mm
Others
Total machine power: 100KW
Guideway width: 600mm
Machine footprint: 10m×3.3m
Height from spindle center to guideway top: 400mm
Cooling System
Maximum working pressure: 2.5MPa
Maximum flow rate: 300L/min
Approximate oil tank capacity: 4000L
Oil cooler: Cooling capacity 12KW
Drum-type paper belt filter: Filtration accuracy 30μm
Hinged belt chip conveyor: Conveyor width 500mm
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