Double Column Machining Center
Your Professional Double Column Machining Center Supplier
Our gantry machining range includes structural solutions such as gantry-type milling machines and CNC gantry machining systems, with machine configurations tailored to workpiece dimensions, cutting specifications, spindle performance and shop-floor conditions.
Unlike a conventional vertical machining center, a double-column machine uses a rigid portal structure to support the crossbeam and spindle head. This architecture delivers a larger machining envelope and a stable cutting platform for applications where part dimensions, structural rigidity and heavy cutting loads are critical.
Technical Parameter Reference Matrix
|
Category |
Parameter / Specification |
Technical Range / Options |
|
Axis Travel |
X-Axis Travel (Longitudinal) |
1,600–4,000+ mm; extended travel available |
|
Y-Axis Travel (Transverse) |
1,300–3,200 mm |
|
|
Z-Axis Travel (Vertical) |
700–1,250 mm |
|
|
Distance Between Columns |
1,400–3,300 mm |
|
|
Table & Workholding |
Table Length |
1,500–4,000 mm |
|
Table Width |
1,200–3,000 mm |
|
|
Maximum Table Load Capacity |
3,000–15,000 kg, depending on configuration and load distribution |
|
|
T-Slot Configuration |
22 mm T-slots; typical spacing 150–200 mm |
|
|
Spindle Performance |
Spindle Taper |
BT50 / ISO50; HSK-A63 / HSK-A100 available depending on configuration |
|
Spindle Speed Range |
4,000–6,000 rpm for high-torque configurations; 8,000–12,000 rpm for high-speed configurations |
|
|
Spindle Motor Power |
15–37 kW continuous rating |
|
|
Feed Dynamics & Accuracy |
Rapid Traverse Rate (X/Y/Z) |
15–24 m/min |
|
Cutting Feed Rate |
1–10 m/min |
|
|
Positioning Accuracy (ISO 230-2) |
±0.008 to ±0.012 mm, depending on machine model and test conditions |
|
|
Repeatability (ISO 230-2) |
±0.004 to ±0.006 mm, depending on machine model and test conditions |
|
|
Tooling & Automation |
Tool Magazine Capacity |
Arm-type ATC with 24, 32 or 40 tools |
|
Maximum Tool Diameter |
125 mm; up to 250 mm with adjacent slot empty |
|
|
Maximum Tool Length |
300–350 mm, depending on configuration |
|
|
Maximum Tool Weight |
15–20 kg, depending on ATC configuration |
Product Advantages
Expanded Machining Envelope
The portal layout easily accommodates workpieces and complex fixtures that exceed the limits of standard C-frame vertical machines.
Stable Support for Heavy Cutting
The two-column frame and crossbeam distribute cutting forces evenly, minimizing tool deflection, controlling vibration and improving surface finish on steel and cast iron.
High Table Load Capacity
Designed to support the combined weight of heavy workpieces and robust fixture assemblies without structural sagging.
Reduced Setups for Large Parts
Completing multiple faces and operations in a single clamping minimizes re-clamping errors, positioning tolerances and total production lead time.
Mold and Die Manufacturing: Mold bases, large cavity components, stamping dies and complex tooling requiring high surface finish and long-duration stability.
Automotive Tooling & Components: Stamping dies, large welding fixtures, structural chassis components and equipment casting bases.
Engineering Machinery: Heavy steel or cast-iron machine frames, structural plates, hydraulic housing components and construction equipment parts.
Energy Equipment: Power-generation turbine components, industrial reactor housings and large mechanical structural bases.
Aerospace Structures: Long-format structural ribs, frames and panels requiring strict dimensional consistency.
Machine Configuration Options
Every machine can be configured to match your specific production environment:
Spindle Customization
Selection of gear-driven, built-in, or high-speed motor spindles based on torque and RPM requirements.
Tool Magazine Capacity
Tailored automatic tool changers (ATC) with options for chain-type magazines holding high tool counts and heavy tool weights.
Chip & Coolant Management
Integrated flush systems, bed-flushing coolant channels, screw-type or chain-type chip conveyors, and filtration units to handle high-volume chip generation.
Enclosure & Safety
Full or partial splash guards designed for safe operation and clean shop-floor maintenance.
Key Specifications to Compare Before Buying
Evaluating a double-column machine requires analyzing operational parameters against your actual part drawings:
X/Y/Z Axis Travel
Determine usable travel by accounting for fixture interference, tool holder clearance and required tool length, not just nominal part dimensions.
Table Size & T-Slots
Match table dimensions with your complete workholding footprint, including clamping margins and auxiliary support brackets.
Maximum Table Load
Evaluate total distributed or concentrated weight, combining Workpiece Weight + Fixture Weight + Pallets.
Spindle Power & Torque
Match motor power, torque curves and spindle tapers to your material removal rates, depth of cut and primary material hardness (steel vs. aluminum).
Spindle Speed
Balance RPM requirements between heavy-duty roughing (high torque) and high-speed mold finishing (high acceleration).
Spindle-to-Table Distance
Verify vertical clearance to ensure ample room for tall parts, thick fixtures and long tool assemblies.
Positioning Accuracy & Repeatability
Link axis accuracy and volumetric compensation standards directly to your part tolerances.
Rapid Traverse & Feed Rates
Evaluate axis drive dynamics to optimize non-cutting transit time and cutting feed productivity.
CNC Control System
Align the controller interface with your shop floor standard, CAM programming software and networking requirements.
To ensure long-term stability and precision under industrial workloads, major structural components undergo strict manufacturing processes:
Structural Annealing & Aging: Bed castings and columns undergo stress-relief annealing and aging treatments to prevent structural deformation over time.
Precision Machining: Guideway mounting surfaces and critical joints are milled and ground on heavy-duty floor boring and milling machines.
Geometric & Accuracy Inspection: Verified using laser interferometers for linear positioning accuracy and electronic levels for bed leveling and geometric squareness.
Running & Cutting Tests: Spindle run-in, axis load testing, and trial cutting checks are executed prior to final sign-off.
Turnkey Project & Engineering Support
For overseas industrial buyers, equipment procurement extends beyond machine delivery. We provide comprehensive project support:
Foundation & Layout Planning
Supplying detailed foundation drawings, load distribution data, and shop-floor layout guidelines.
01
Installation & Commissioning (SAT)
Engineering support for machine leveling, geometric alignment, and functional testing at your facility.
02
Operator & Maintenance Training
Practical guidance on programming, controller operation, daily maintenance, and troubleshooting.
03
Spare Parts & Remote Diagnostics
Rapid response for replacement parts and online technical assistance to minimize downtime.
04
How to Select the Right Machine
To receive an accurate technical proposal and quotation, prepare the following details for our engineering team:
Workpiece Data
Part drawings or 3D models, maximum dimensions, weight, and material composition.
01
Machining Scope
Required operations including roughing, finishing, deep boring, or high-speed contouring.
02
Tolerance & Finish
Critical dimensional tolerances and expected surface roughness.
03
Workholding Setup
Fixture dimensions, weight, and clamping configuration.
04
Production Environment
Batch sizes, shift frequency, and plant utility requirements.
05
With abundant experience, we are one of the most professional double column machining center manufacturers and suppliers in China. Please feel free to buy cheap double column machining center for sale here from our factory. For price consultation, contact us.
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