Product Overview

 

Vertical Machining Centers execute high-rigidity milling, drilling, and rigid tapping across ferrous and non-ferrous metals. Built with a Meehanite cast iron foundation, finite element analysis (FEA)-optimized column structure, and high-precision linear guide ways, these machines maintain stable dynamic stiffness under continuous heavy-material removal rates (MRR). Configurable with mainstream industrial CNC control systems, engineered for automotive subcontracting, aerospace structural parts, and complex mold production.

 
 
Key Features

Meehanite Cast Iron Structure

Annealed base and column mitigate internal stress, absorbing high-frequency cutting vibrations and preserving geometric stability under thermal loads.


Direct-Drive Spindle

12,000 RPM spindle utilizes ceramic hybrid bearings and chiller-controlled oil lubrication, suppressing thermal growth and achieving surface finishes down to Ra 0.4 um.

Roller Type Linear Guide Ways

X, Y, and Z axes employ heavy-duty roller guideways, delivering 30% higher rigidity and contact stiffness compared to ball-type configurations.

Arm-Type Tool Magazine

24-station random tool changer executes tool-to-tool changes in 1.8 seconds, minimizing non-cutting idle time.

High-Efficiency Chip Management

Dual-auger floor troughs paired with a rear-discharge chain-type chip conveyor eliminate chip accumulation during deep-pocket roughing operations.

 

Machining Capabilities
 

Milling Performance

High MRR capability up to 500 cm3/min in P20 mold steel using indexable face mills.

Boring and Reaming

Maintains IT7 hole diameter tolerance classes consistently across multi-batch production runs.

Rigid Tapping

Synchronized tapping up to 6,000 RPM utilizing internal coolant-through spindle delivery at 70 bar.

Contouring Accuracy

Circular interpolation tolerance within 0.01 mm radius deviation measured on standard industrial test workpieces.

 

Machine Configuration

 

Specification Axis / Parameter

Standard Configuration

Heavy-Duty Option

Table Size (L x W)

1200 x 600 mm

1400 x 700 mm

Travels (X / Y / Z)

1000 x 500 x 550 mm

1200 x 600 x 600 mm

Spindle Taper

BT40

BT50 / HSK-A63

Spindle Speed

10,000 RPM (Belt-driven)

15,000 RPM (Built-in motorized)

Rapid Traverse (X/Y/Z)

36 / 36 / 30 m/min

48 / 48 / 40 m/min

Max Table Load

800 kg

1200 kg

CNC Controller

Industrial Standard CNC

High-Performance Industrial CNC

 

Application
 

Aerospace Components

Machining thin-walled aluminum structural ribs and titanium brackets requiring strict chatter suppression.

Automotive Tooling

High-speed roughing and fine finishing of injection mold cavities and core inserts using hardened alloy steel (HRC 45-55).

General Precision Engineering

Batch production of hydraulic valve blocks, gearboxes, and pump housings requiring multi-face machining via 4th-axis indexing.

 

 

How to Choose

Evaluate Workpiece Material: Select BT40 belt-driven spindles for general aluminum and mild steel components; upgrade to BT50 gear-driven or HSK-A63 high-speed built-in spindles when processing hardened steels or deep-pocket titanium molds.


Verify Axis Travel Requirements: Ensure the X and Y travel dimensions accommodate fixture clamping envelopes plus workpiece stock size, leaving at least a 100 mm clearance buffer.


Assess Controller Compatibility: Match the CNC control system to your shop floor programming standards (G-code post-processor compatibility with major CAM packages) to eliminate operator retraining overhead.


Determine Automation Needs: Factor in hydraulic fixture port integration and 4th/5th-axis rotary table interfaces prior to machine bed casting if lights-out pallet automation is planned.

Small Vertical Machining Center

 

Manufacturing & Quality Control

Bed Casting Aging

Castings undergo thermal annealing and natural seasoning cycles for a minimum of 90 days to eliminate residual internal stresses before precision machining.

Guide Way Scraping

Critical contact surfaces between the saddle, table, and guide ways undergo manual scraping to achieve minimum contact ratios of 16 points per square inch.

Laser Interferometer Calibration

Positioning and repeatability accuracy are verified on all three axes using industrial laser interferometers under controlled thermal conditions (20 deg C).

 

Ballbar Circular Testing

Dynamic geometric contouring verified via specialized ballbar measurement systems to detect and eliminate backlash, servo mismatch, and squareness errors.

 

Optional Configuration
1

4th / 5th Axis Rotary Table

Direct-drive or worm-gear rotary axes for multi-sided simultaneous machining.

2

Through-Spindle Coolant (TSC)

20 bar to 70 bar coolant delivery system with dual-stage paper band filtration.

3

Tool & Workpiece Measurement

Contact tool setters and optical workpiece inspection probes.

4

Oil Mist Collector

Centrifugal filtration system maintaining shop floor air quality standards.

 

 

FAQ

 

 

Q: What is the standard delivery lead time for a standard VMC model?

A: Standard stock configurations ship within 30 to 45 days. Custom configurations involving specialized spindles, extended travels, or integrated 4th-axis rotary units require 60 to 90 days from order confirmation.

Q: How do you handle spindle thermal growth during long continuous machining runs?

A: Spindles utilize an external oil chiller loop circulating cooling fluid through the bearing housing jacket. Combined with thermal sensor compensation algorithms inside the CNC firmware, axial elongation is restricted to under 0.01 mm over an 8-hour continuous operational cycle.

Q: Can your VMC controllers integrate with existing CAD/CAM software environments?

A: Yes. Controllers support standard ISO G-code and M-code formats generated by major CAM packages, including Mastercam, Siemens NX, SolidCAM, and Autodesk PowerMill, without custom post-processor rewriting.

Q: What electrical power supply specifications are required for installation?

A: Standard machines operate on AC 380V (+/- 10%), 3-phase, 50Hz/60Hz. Total connected load ranges from 25 kVA to 45 kVA depending on spindle power ratings and chip conveyor options. Step-down or step-up transformers can be provided for local grid compatibility.

Q: What warranty coverage and spare parts availability do you provide?

A: All machines include a 12-month standard warranty covering structural components, spindle cartridges, and electrical drives. Critical replacement parts (spindle motors, drives, ball screws) are stocked regionally for dispatch within 48 hours.

Q: What documentation is delivered alongside the machine?

A: Each unit ships with comprehensive technical documentation: electrical wiring schematics, pneumatic/hydraulic circuit diagrams, foundation layout drawings, factory laser calibration reports, ballbar test certificates, and operation/maintenance manuals in English.

As one of the most professional vertical machining center manufacturers in China, we're featured by quality products and good price. Please rest assured to buy high-grade vertical machining center for sale here from our factory. If you have any enquiry about cooperation, please feel free to email us.

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