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High-Speed CNC Drilling Machine

Horizontal Dual-Spindle CNC Deep-Hole Drilling Machine

✅ Core Design Advantages

Dual-spindle horizontal configuration: Simultaneous drilling with two spindles; BTA internal chip removal for deep-hole processing (max. 800mm depth).
Rigid construction: High-strength cast iron components (resin sand molding); heavy-duty roller linear guides .

✅ Key Performance Parameters

Workpiece capacity:Max. diameter: Φ4000–Φ6000mm.Max. diameter without flipping: Φ2500–Φ3000mm
Drilling specs:Diameter range: Φ16–Φ40mm (BTA).Depth: 800mm (uniform).

✅ Structural Configuration Features

Axis travel:X-axis (column longitudinal): 4000–6000mm.Y-axis (slider vertical): 2700–3200mm.Z-axis (spindle feed): 900mm

✅ Precision and Efficiency

Accuracy standards:
Hole position tolerance: ±0.10/100mm.Diameter accuracy: IT8–IT10
Dimensions: 11.6×6.0×4.6m to 13.6×6.5×5.2m

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Techspecs

Deep Hole Drilling Machine Specifications
Parameter	Unit	Model
Workpiece Size
Max. Workpiece Diameter	mm	Φ4000 Φ5000 Φ6000
Max. Diameter (No Flip)	mm	Φ2500 Φ2500 Φ3000
Max. Drilling Depth	mm	800 800 800
Drilling Diameter (BTA)	mm	Φ16-Φ40 Φ16-Φ40 Φ16-Φ40
Travel
X-axis (Column Longitudinal)	mm	4000 5000 6000
Y-axis (Slide Vertical)	mm	2700 2700 3200
Z-axis (Spindle Feed)	mm	900 900 900
Speed
X/Y-axis Speed	mm/min	0-6000 0-6000 0-6000
Z-axis Speed	mm/min	0-4000 0-4000 0-4000
Accuracy
Hole Roundness Tolerance	mm	±0.02 ±0.02 ±0.02
Hole Straightness	mm	0.10/100 0.10/100 0.10/100
Hole Spacing Tolerance	mm	±0.10/100 ±0.10/100 ±0.10/100
Hole Diameter Accuracy		IT8-IT10 IT8-IT10 IT8-IT10
Surface Roughness		Ra1.6-3.2 Ra1.6-3.2 Ra1.6-3.2
Spindle
Spindle Speed	rpm	30-3000 30-3000 30-3000
Spindle Quantity	pcs	2 2 2
Spindle Spacing (Adjustable)	mm	170-220 170-220 170-220
Spindle Servo Motor	kW	2×22 2×22 2×22
Motor Power
X-axis Motor	kW	5.2 5.2 5.2
Y-axis Motor	kW	4.3 4.3 4.3
Z-axis Motor	kW	2.1 2.1 2.1
Hydraulic Pump	kW	2.2 2.2 2.2
Cooling Pump	kW	2×22 2×22 2×22
Oil Chiller	kW	2×11 2×11 2×11
Chip Conveyor	kW	0.75 0.75 0.75
Other Specifications
CNC System		Siemens 828D Siemens 828D Siemens 828D
Machine Weight	T	90 95 105
Dimensions (L×W×H)	mm	11600×6000×4600 12600×6000×4600 13600×6500×5200
Model: XFD4025-2 XFD5025-2 XFD6030-2

Description

The bed is cast from HT300 high-strength cast iron and has undergone thermal aging andvibration aging treatments. Its tensile strength is ≥300 MPa. The dual spindles are independently driven, and the center distance is adjustable (170–220 mm). They support parallel processing, increasing the efficiency by 60%. The X/Y/Z axes are driven by precision ball screws and AC servo motors, with a maximum moving speed of 6000 mm/min.

Features

Efficient collaboration of dual spindles

The dual spindles are independently driven and support synchronous processing, increasing the efficiency by 60% and being suitable for mass production.

High-Precision Hole Machining

BTA internal-cooling drill + high-pressure circulation system (5 MPa), with hole straightness ≤0.10/100 mm.

Long-Life Design

Super-audio frequency quenched guide rails and imported ball screws ensure a service life of over 15 years and reduce the maintenance cost by 30%.

Intelligent Monitoring

With built-in vibration sensors and temperature control modules, it can provide real-time warnings of mechanical failures and reduce unplanned downtime.

Working Principle

Dual-Spindle Drive:The dual spindles are independently controlled by servo motors, with a speed range of 30–3000 rpm and stable torque output.The BTA internal-cooling drill, combined with high-pressure cooling (5 MPa), increases the chip removal efficiency by 50%. Feeding System:The X/Y/Z axes adopt full closed-loop control, with a positioning accuracy of ±0.01 mm, which is suitable for processing complex hole positions.The rapid moving speed is 6000 mm/min, shortening the non-cutting time. Accuracy Assurance:The CNC system integrates backlash compensation and thermal deformation compensation algorithms to ensure a hole position accuracy of ±0.02 mm.

Application & Case

Petrochemical Industry: Deep-hole machining of heat exchanger tube sheets, with hole depth consistency ≤0.1 mm.

Nuclear Power Equipment: Precision drilling of bolt holes in reactor pressure vessels.

Aerospace: Deep-hole machining of cooling holes in engine casings and fuel nozzles.

Metallurgical Industry: Deep-hole boring and milling of rolling mill roller table support seats.

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FAQ

Does it support non-standard deep-hole machining?

Yes, but special drills and fixtures need to be customized (hole diameter and depth parameters are required).

What are the maintenance requirements for the cooling system?

It is recommended to replace the high-pressure coolant filter element every 500 hours and clean the internal cooling pipeline every 2000 hours.

Is the spindle center distance adjustable?

Manual adjustment is supported, with a range of 170–220 mm, which is suitable for different workpiece layouts.

What is the after-sales service policy?

It provides 1 year of free warranty, lifetime technical support, and engineers will arrive on-site within 48 hours in China.

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