CROWNJUN - Kono Seisakusho Group Official Website

Machines and Equipments

Various machines and equipments are installed inside our company for swift testpiece making and mass production.

Cutting Machines

  • 5-axis Control Machining Center

    Available for making test pieces from aluminum to titanium

    Model N2-5XA
    Manufacturer Makino Inc.
    Travel Distance
    (X x Y x Z)
    300 x 300 x 230 ㎜
    Main Spindle Rotation Speed 200 ~ 20,000 min-1
    Positioning Accuracy ± 0.005 ㎜
    Repeated Positioning Accuracy ± 0.002 ㎜
    Function 3D free countouring
  • CNC Automatic Lathe

    Model SB-12R typeG
    Manufacturer Star Micronics Co., Ltd.
    Maximum Machining Diameter φ 13 ㎜
    Main Spindle Rotation Speed MAX. 15,000 min-1
    Function High accuracy cutting
  • 3-axis Control Machining Center

    Model ROBODRILL α-D14SiB5
    Manufacturer Fanuc Corporation
    Travel Distance
    (X x Y x Z)
    300 × 400 × 330 mm
    Main Spindle Rotation Speed 24,000 min-1
    Positioning Accuracy ± 0.006 ㎜
    Repeated Positioning Accuracy ± 0.004 ㎜
    Function High accuracy cutting with high speed rotation of the spindle

Measuring Instruments

  • Benchtop Scanning Electron Microscope / Energy Dispersive X-ray Spectrometer (EDS)

    Model JCM-6000 / JED-2300
    Manufacturer JEOL Ltd.
    Magnifying Power × 10 ~ 60,000
    Function Inspection of shape and surface condition under large magnification Simple dimension measurement Component analysis
  • Micro Vickers Hardness Testers

    Model HMV-G
    Manufacturer Shimadzu Corporation
    Magnifying Power 98.07 mN ~ 19.807 N
    Function Toughness measurements Toughness evaluation of brittle materials
  • UV-VIS Spectrophotometer

    Model UV-2600i
    Manufacturer Shimadzu Corporation
    Measurement Wavelength Range 185 ~ 900 nm
    Resolution / Accuracy of Wavelength 0.1 ~ 5 nm
    System Single monochromator
    Function Thickness measurements of transparent liquid samples
  • Optical Comparator

    Model IM-8000 / 8020
    Manufacturer Keyence Corporation
    Field of View 200 ㎜ × 200 ㎜ (Wide-Field Measurement Mode)
    125 ㎜ × 125 ㎜ (High-Precision Measurement Mode)
    Minimum Unit 0.1 µm
    Repeatability (Without Stage Movement, With Stage Movement) ± 1 µm, ± 2 µm (Wide-Field Measurement Mode)
    ± 0.5 µm, ± 1.5 µm (High-Precision Measurement Mode)
    Measurement Accuracy ±2σ (Without Binding, With Binding) ± 3.9 µm, ± (7+0.02L) µm (Wide-Field Measurement Mode)
    ± 2 µm, ± (4+0.02) µm (High-Precision Measurement Mode)
    Function Measurement of 300 locations in 3 seconds
  • Optical Comparator

    Model LM-1000 / 1100
    Manufacturer Keyence Corporation
    Field of View 225 ㎜ × 125 ㎜ (Wide-Field Measurement Mode)
    206 ㎜ × 106 ㎜ (High-Precision Measurement Mode)
    Minimum Unit 0.1 µm
    Repeatability (Inside Camera's Field of View, 2σ) ± 0.5 µm (Wide-Field Measurement Mode)
    ± 0.1 µm (High-Precision Measurement Mode)
    Measurement Accuracy (Inside Camera's Field of View, 2σ) ± 2 µm (Wide-Field Measurement Mode)
    ± 0.7 µm (High-Precision Measurement Mode)
    Function High precision measurement
  • Digital Microscope

    Model VHX-8000
    Manufacturer Keyence Corporation
    Magnifying Power × 20 ~ 2,000
    Scanning Speed × 20 of optical miroscope
    Function 3D depth composition, material identification
  • FTIR Spectrometer

    Model IRTracer-100
    S/N Ratio 60,000 : 1
    Wavenumber Range 7,800~350 cm-1
    Resolution 0.25cm-1
    Scanning Speed 20 spectra/second
    Function Quantitative and qualitative analysis of a sample

Other Machines

  • Injection Molding Machine

    A small-sized machine suitable for manufacturing testpieces using regins

    Model C, Mobile0813
    Manufacturer Shinko Sellbic Co., Ltd.
    Clamping Force 29 kN (3 tf)
    Function Produce micro injection molding parts
  • Wire EDM

    Specialized in micromachining and ultra-precision machining

    Model UPN-01
    Manufacturer Makino Inc.
    Travel Distance
    (X x Y x Z)
    160 × 160 × 50 mm
    Function Sub-micron level accuracy machining
  • EDM Hole Drilling Machine

    Hole drilling suitable for micromachining and ultra-precision machining wire EDM

    Model EDFH1
    Manufacturer Makino Inc.
    Travel Distance
    (X x Y x Z)
    220 × 180 × 300 mm
    Function High accuracy EDM drilling
  • Vacuum Impregnation Equipment

    Model AW-2004040
    Manufacturer Sato Vac Inc.
    Ultimate pressure 10 Pa and under (at no-load)
    Operation system Degassing
    Impregnation Automatic
    Function Soak liquid to sample by the pressure difference between vacuum and atmospheric pressure
  • 3D Printer

    Model Objet30 Prime
    Manufacturer Stratasys Ltd.
    Construction Method Polyjet
    Layer Thickness Z-axis : 14 μm, 28 μm, 36 μm
    Travel Distance
    (X x Y x Z)
    294 x 192.6 x 148.6 mm
    Function Construct three dimensional sample by piling layer based on 3D data
  • 3D Scanner

    Model Geomagic Capture
    Manufacturer 3D Systems Corporation
    Scanning Distance 300 ~ 480 mm
    Scanning Depth 180 mm
    Scanning Area
    (short distance)
    124 x 120 mm
    Scanning Area
    (long distance)
    190 x 175 mm
    Accuracy 0.06 mm
    Function Capture the shape of three-dimensional object
  • Laser Cutting and Engraving Machine

    Model PLS6.75
    Manufacturer Universal Laser Systems,Inc
    Travel Distance
    (X x Y x Z)
    813 × 457 × 216 mm
    Wavelength of Laser 10.6 μm
    Diameter of Laser 127 μm
    Function Laser cutting and engraving on resins
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