FAQ

A CNC (Computerized Numerical Control) machining center is a computer‑controlled manufacturing system capable of performing multiple processes, such as milling, drilling, tapping, and boring, within a single setup. These machines provide high precision, repeatability, and productivity across a wide variety of materials and industries.

Vertical Machining Centers (VMCs)

Vertical Machining Centers feature a spindle aligned vertically (Z‑axis).
They are ideal for:

• Flat and shallow‑cavity parts
• 2D and 3D milling
• Drilling, pocketing, contouring

Advantages:

• Compact and cost‑efficient
• Easy programming & setup
• High accessibility

Limitations:

• Limited multi‑side machining without re‑clamping

Horizontal Machining Centers (HMCs)

Horizontal Machining Centers use a horizontally positioned spindle, enabling superior chip evacuation and highly efficient multi‑side machining. - see LiFLEX Machining Centers

Advantages:

• Natural chip fall improves surface quality
• Ideal for multi‑face machining and complex housings
• Supports pallet changers for continuous production
• Widely used in automotive & aerospace for high‑efficiency manufacturing

Double‑Column / Gantry Machining Centers - see Modig

Double‑column (bridge‑type) machines use two vertical columns for maximum rigidity, making them ideal for:

• Large, heavy, and ultra‑precision components
• Mold & die applications
• Aerospace structures and energy components

Advantages:

• Excellent vibration damping
• High accuracy over long spans
• Supports heavy cutting forces and long machining cycles

CNC machining centers typically carry out:

• Milling of simple and complex geometries
• Drilling (blind & through holes)
• Tapping for threaded features
• Boring for precision diameters

These core operations enable the machining of everything from basic prismatic components to complex 3D surfaces.

CNC machines can process nearly all rigid materials, including:

Metals - see LiFLEX Machining Centers

• Aluminum
• Steel & Stainless Steel
• Brass
• Titanium

Plastics

• Nylon
• Acetal
• Polycarbonate
• ABS
• PTFE

• High precision & repeatability thanks to computer‑controlled motion
• High productivity through automation & continuous operation
• Consistent quality across all production batches
• High flexibility from simple 2D work to complex 5‑axis parts

When properly maintained, including lubrication, calibration, cleaning, and scheduled inspections, CNC machines typically operate reliably for 15 to 25 years or longer.

Coolant is essential for:

• Reducing heat during cutting
• Extending tool life
• Improving chip evacuation
• Enhancing the surface finish

Lubrication

Lubrication reduces friction and heat, protects machine components, improves machining stability, and prevents premature wear.

Minimum Quantity Lubrication (MQL)

• Replaces flood coolant with a fine mist of oil + compressed air
• Uses less than 50 mL/hour
• Produces nearly dry chips
• Reduces coolant disposal cost
• Improves tool life in many applications
• Widely used in milling, drilling, tapping, and turning

Dry Machining

• Uses no liquid coolant
• Depends on tool coatings, optimized cutting parameters, and machine rigidity
• Environmentally friendly
• Eliminates coolant handling/disposal
• Best for easy chip evacuation and low‑heat processes

3‑Axis CNC Machining

Moves along X, Y, Z. Best for:

• Flat surfaces
• Simple geometries
• Basic 3D milling
• Drilling & slotting

Limitations: Needs re‑clamping for multi‑side machining.

4‑Axis CNC Machining - see LiFLEX Machining Centers

Adds the A‑axis (rotation around X).
Best for:

• Cylindrical parts
• Gears and rotary contours
• Multi‑side machining without re‑clamping
• Faster cycle times

5‑Axis CNC Machining - see LiFLEX Machining Centers

Adds two rotational axes (A/B or B/C).
Best for:

• Complex 3D surfaces
• Deep cavity machining
• Aerospace & medical parts
• Multi‑face machining in one setup

• High‑volume machining of engine housings & drivetrain components
• Micron‑level accuracy for combustion & electric powertrain parts
• Efficient multi‑side machining using HMCs
• Reliable production of structural and safety‑critical components

LiCON is specialized in high‑volume automotive production.

• High rigidity & stability (double‑column systems)
• Complex multi‑axis machining
• Micron‑level accuracy
• Efficient machining of lightweight alloys and structural parts

Twin-spindle machining centers offer clear advantages over single-spindle machines, particularly in terms of productivity, efficiency, and cost-effectiveness.

Higher Productivity
With two spindles, either two workpieces can be machined simultaneously (i³-technology) or multiple machining operations can be performed in parallel (LiFLEX I+I). This significantly reduces overall machining time and increases throughput.

Space and Investment Savings
In many cases, a single dual-spindle machine can replace two separate single-spindle machines. This saves valuable production floor space and reduces capital investment.

Lower Operating Costs
More efficient energy use and reduced maintenance requirements help lower ongoing operating costs compared to running two single-spindle machines. In practice, savings of up to 40% are possible.

Superior Efficiency Through Horizontal Machining

LiFLEX HMCs offer excellent chip evacuation, cleaner cutting conditions, and superior performance in deep cavities and multi‑surface parts.

Optimized for Multi‑Side and Complex Components

360° swivel axis allow fast, accurate multi‑face machining -perfect for automotive, aerospace, and industrial production lines.

3High Rigidity and Exceptional Precision

LiFLEX machines utilize rigid structures that maintain accuracy even under heavy load, ideal for demanding applications.

Multi‑Axis Capability

LiFLEX machines support 4‑axis and 5‑axis configurations to produce complex surfaces, undercuts, and high‑precision geometries in fewer setups.

Ideal for High‑Volume Manufacturing

LiFLEX HMCs are designed for continuous production with pallet changers and automation‑ready configurations. Quick tool changes and loading during active production time result in minimal downtime.

Suitable for a Wide Range of Industries

LiFLEX machines excel in machining:

• Automotive components
• Aerospace structures
• Industrial machinery parts
• Hydraulic & pump housings
• Gear housings, carriers, and precision fixtures
• Heavy‑duty steel and aluminum components
• ...

Their flexibility across materials and part types makes them a strong choice for any company requiring high‑precision, high‑output CNC machining.