Drilling and tapping machine

3-Axis Heavy Cutting CNC Vertical Machine Center with Triangular Box-Column Structure

DNC-LV1580
DNC-LV1580-1

Model: DNC-LV 855

Function: Drilling, Tapping & Milling

Application Materials: Iron, Zinc, Steel, Stainless Steel, Tool Steel, Inconel, Hastelloy, Aluminum, Carbide, Titanium, Tungsten, Tantalum, Copper, Brass, Bronze, Platinum etc.



Feature

Precision drilling is never about one component alone. It is the result of structure, control, motion, and verification working together. At DUOMI CNC, every CNC deep hole drilling machine is built with this understanding.

The Heavy-Duty Vertical Machining Center (VMC) Series is specifically engineered to handle high-torque, heavy-cutting operations while maintaining exceptional precision. By combining the supreme structural rigidity of traditional box ways (hardways) with the rapid agility of linear guides, this series delivers an uncompromised machining solution. Featuring an oversized base, a stable triangular box-column structure, and a direct-drive spindle, it minimizes thermal deformation and vibration, making it the ultimate choice for heavy machinery, mold & die fabrication, and high-precision parts manufacturing.




Lead time (days) : 30 working days. (Standard Configuration)

Tip: Our CNC drilling and tapping machines support custom non-standard designs, machine color customization, and OEM branding. Start now to purchase and customize your own equipment, please contact us.

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Technical specification

Technical specification

  • Model
    DNC-LV 855
  • X-axis Travel
    800 mm
  • Y-axis Travel
    550 mm
  • Z-axis Travel
    550 mm
  • Table Size
    1000 * 550 mm
  • Max. Table Load Capacity
    500 Kg
  • T-Slots (No. – Width × Spacing)
    5-18*90 mm
  • Spindle Speed
    8000 rpm
  • Spindle Taper
    BT40-φ150 mm
  • Main Motor Power
    7.5 Kw
  • Ball Screw (X/Y/Z Axis)
    4016/4016/4016
  • Rapid Traverse Speed (X/Y/Z Axis)
    36 M/Min
  • Linear Guideway Size (X/Y/Z Axis)
    35/45/45
  • Positioning Accuracy
    ±0.005/300 mm
  • Repeat Positioning Accuracy
    ±0.003/300 mm
  • Tool Magazine
    24
  • Machine Weight
    4800 Kg
  • Overall Dimensions (L × W × H)
    2500*2500*2600 mm
  • CNC Controller
    Mitsubishi System (High-Speed & Precision)

Introduction

    • Ultra-Rigid Roller Linear Guideways (3-Axis)All three axes feature ultra-high-rigidity roller linear guideways. This hybrid characteristic perfectly merges the heavy-cutting rigidity of traditional hardways with the rapid-traverse capabilities of linear guides, ensuring high precision, low friction, and minimal wear over extended use.

    • Brake-Type Servo Motor on Z-AxisThe Z-axis is driven by an advanced brake-type servo motor to optimize dynamic response and driving performance. This eliminates micro-vibrations during heavy-duty profiling, delivering a superior workpiece surface finish and exceptional geometric accuracy.

    • High-Efficiency Direct-Drive SpindleEquipped with a direct-drive spindle configuration, the machine ensures seamless power transmission, eliminating the power loss and backlash associated with traditional belt drives. This results in enhanced torque output and outstanding surface machining quality.

    • Oversized Base & Triangular Box-Column ArchitectureBuilt upon an ultra-wide, heavy-duty base complemented by an inverted-Y (triangular) box-column structure. This optimized structural geometry guarantees maximum machine rigidity, optimal weight distribution, and unmatched stability during high-speed rapid traverse and aggressive metal removal.


Key benefits

  • Core Machine Characteristics & Structural Design

    Premium HT300 Cast Iron Structure

    The primary structural components are cast using premium HT300 High-Tensile Cast Iron. With a surface hardness treated to HB250 and subjected to strict high-temperature annealing and natural aging processes, internal stresses are completely eliminated to ensure lifetime structural stability without deformation.

    Advanced Rib Reinforcement

    The base features an ultra-robust 3-layer rib layout, while the column employs a 2-layer cross-ribbed architecture. This precise structural design pushes the natural frequency far outside the resonance zone, drastically reducing micro-vibrations during heavy-load cuts.

    1:1:1 Golden Ratio Head Connection

    The contact interface between the spindle head and the column utilizes a flawless 1:1:1 dimension ratio. Combined with an ultra-wide base design, this symmetrical layout maximizes cutting rigidity and ensures uniform thermal distribution for precision machining.

    Hybrid Guide Way System

    Taiwan HIWIN Roller guideway 45mm heavy loading &precision.

    High Rigidity CNC Machining Center Structure

    Advanced Casting & Manufacturing Process Flow

    The unparalleled rigidity of our machining center begins at the foundational level. Below is the advanced 6-step casting process used to manufacture the ultra-stable machine bed and structural elements:

    StageProcess ImageProcess NameIndustrial Significance & Description
    01Processing of lost foam moldsProcessing of Lost Foam Molds
    Utilizes high-precision CNC equipment to mill premium foam patterns. This guarantees that complex internal rib geometries (3-layer base and 2-layer column ribs) are perfectly shaped right from the molding stage.
    02Vanishing line shapeVanishing Line Shape Molding
    The foam pattern is embedded into a specialized automated molding line, ensuring uniform sand packing density around the pattern to prevent casting cavities or uneven wall thickness.
    03Resin sand line modelingResin Sand Line Modeling
    Combines resin sand technologies to reinforce critical mold areas. This maximizes the mold's structural integrity to withstand heavy molten iron pressure, ensuring dimensional accuracy of the HT300 cast.
    04Electric furnace areaElectric Furnace Area Melting
    Advanced electric induction furnaces precisely control the chemical composition of the HT300 alloy, maintaining the perfect carbon-silicon ratio to consistently achieve a surface hardness ≥ HB250.
    05Casting areaCasting Operation
    Molten iron is poured under tightly monitored thermal conditions. The foam vaporizes instantly, leaving behind a perfectly integrated single-piece casting with zero weak joints.
    06Annealing treatmentAnnealing Treatment
    Castings undergo prolonged high-temperature thermal annealing followed by extended natural aging. This critical step completely relieves internal stresses, assuring that the machine frame remains perfectly straight and accurate for decades.

    Premium Control & Performance Highlights

    Mitsubishi CNC System Control Panel  

    Mitsubishi CNC Control System

    Equipped with the industry-leading Mitsubishi CNC System, this machine delivers high-speed, high-precision nano-contour control. It features exceptional multi-axis look-ahead capabilities, optimizing acceleration and deceleration profiles dynamically to dramatically reduce cycle times while preserving flawless part contours. Perfect for intricate 3D mold surfaces and rapid component manufacturing.

    High-Speed Servo Tool Magazine (ATC)

    • Synchronous Tool Change System: The spindle and the tool arm operate in seamless synchronization to minimize non-cutting time.
    • Servo-Driven Carousel: Powered by a high-torque servo motor, providing rapid tool selection, smooth indexing, and precise mechanical positioning.
    • Enhanced Productivity: Reduced tool-to-tool time directly translates into higher shop floor utilization and shorter delivery times.

    DUOMI'S CNC DEEP HOLE DRILLING MACHINE


    This compact, high-speed drilling and tapping center is engineered to deliver comprehensive milling capabilities alongside ultra-fast hole-making performance. Built with a heavy-duty frame and a rigid box column, this machine ensures maximum stability, exceptional precision, and vibration-free operation even during high-speed machining cycles. It is the ideal solution for precision parts manufacturing, electronics, and automotive component processing.


    DUOMI CNC builds machines for real manufacturing conditions—where performance must remain consistent, shift after shift.


    Talk to DUOMI CNC

    If you are looking for a dependable cnc deep hole drilling machine tailored to your material, hole size, and production volume, our engineering team is ready to assist.


    DUOMI CNC

    Precision drilling solutions, built for industry.


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