KOYO MACHINE INDUSTRIES CO.,LTD.KOYO MACHINE INDUSTRIES CO.,LTD.

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  • Centerless Grinder

    A variety of variations are available to suit the size and shape of the workpiece. One of the top Centerless grinder in this business with "Laser sizing", "Discharge truing" and "Automatic transfer" are available as options for high efficiency.

    Please select from the following options: wheel size and outside diameter of the workpiece.

    Model Wheel size (outer diameter x width) Outer Diameter of Processed Products
    KCL50 φ150×Max.50mm φ0.2~φ5mm
    C1003 φ100×Max.30mm φ0.5~φ5mm
    C3015F φ305×Max.150mm φ0.8~φ25mm
    C3510 φ355×Max.100mm φ1.0~φ10mm
    4515C φ455×Max.150mm φ1.2~φ40mm
    4520C φ455×Max.205mm φ1.2~φ40mm
    C4520F φ455×Max.205mm φ1.0~φ50mm
    6015C φ610×Max.150mm φ1.2~φ60mm
    C6020 φ610×Max.205mm φ1.6~φ120mm
    C6030 φ610×Max.305mm φ1.6~φ120mm
    C6040 φ610×Max.405mm φ1.6~φ120mm
    C6030TH φ610×Max.305mm φ5.0~φ150mm
    C6060 φ610×Max.610mm φ5.0~φ150mm
    Catalog
    Model Wheel size (outer diameter x width) Outer Diameter of Processed Products
    KC200 φ610×Max.205mm φ1.6~φ120mm
    KC300 φ610×Max.305mm φ1.6~φ120mm
    KC400 φ610×Max.405mm φ3.0~φ120mm
    KC500 φ610×Max.510mm φ5.0~φ150mm
    KC600 φ610×Max.610mm φ5.0~φ150mm
    KC700 φ610×Max.710mm φ5.0~φ150mm
    KC800 φ610×Max.810mm φ5.0~φ150mm
    KC300A φ610×Max.305mm φ1.6~φ120mm
    KC400A φ610×Max.405mm φ3.0~φ120mm
    KC500A φ610×Max.510mm φ5.0~φ150mm
    KC600A φ610×Max.610mm φ5.0~φ150mm
    KC700A φ610×Max.710mm φ5.0~φ150mm
    KC800A φ610×Max.810mm φ5.0~φ150mm
    Catalog
    • Ultra-high speed measurement of all ground workpieces (4800 scans per second).
      Feedback grinding conditions to the centerless grinder in response to dimensional changes (automatic grinding condition change).
      Display of quality report "X-R Control Chart", "Process Capability Chart" and "Frequency Distribution Chart".

    • the metal-bonded wheel on the machineE-dt.
      High efficiency by shortening the truing time and improving the dress interval.

    • Centerless grinder with high productivity that grinds cylindrical processed products without supporting them with a chuck or at the center.
      There are In-feed grinding and Through-feed grinding methods, which contribute to the grinding of industrial parts globally such as automobiles, home appliances,medical and industrial.
      Koyo's Centerless grinders have the largest share in Japan.

  • Surface Grinder

    Double disc surface grinders (KVD and HD Series) that finish up efficiently with simultaneous grinding on both sides. Super-abrasive single disc suface grinders (R Series) achieve a quality close to the grinding accuracy of lapping machines.

    Diverse variations are available to suit the workpiece. One of the top Single disc surface grinder in this business with "Discharge truing" and "Automatic transfer" are available as options for high efficiency.

    Model Wheel size
    (outer diameter x width)
    Outer Diameter of Processed Products
    Rotary
    Carrier
    Swing
    Arm
    KVD200 φ200 φ10×6mm -
    KVD300Ⅱ φ305 φ50×50mm φ100×50mm
    KVD350 φ355 φ50×50mm φ150×50mm
    KVD450Ⅱ φ455 φ100×50mm φ160×50mm
    KVD580 φ585 φ150×50mm φ200×50mm
    KVD760 φ760 φ220×50mm -
    Catalog
    両頭平面研削盤(立形)

    Double Disc Grinder(Vertical Spindle)

    Model Wheel size
    (outer diameter x width)
    Outer Diameter of Processed Products
    Rotary
    Carrier
    Swing
    Arm
    HD3 φ305 φ50×25mm φ50×60mm
    HD5 φ585 φ150×50mm φ100×130mm
    HD7 φ760 φ250×80mm φ120×150mm
    HD10 φ1065 φ300×100mm φ150×180mm
    Catalog
    両頭平面研削盤(横形)

    Double Disc Grinder (Horizontal Spindle)

    Model Wheel size (outer diameter x width) Outer Diameter of Processed Products
    R011 φ40 φ20mm
    R421 φ180 φ100mm
    R422 φ180 φ100mm
    R431 φ305 φ100mm
    R631 φ305 φ125mm
    R632 φ305 φ125mm
    RV2 φ455 φ 300mm
    Catalog
    片面平面研削盤

    Single Disc Grinder

    加工品

    Processed products

    Truing and dressing the metal-bonded wheel in the machine E-dt.
    High efficiency by shortening the truing time and improving the dress interval.

  • ID Grinder

    ID Grinder
    ModelKIH80Ⅱ
    Grinding CapacityI.D.(Max.)[mm]φ10~φ80
    T(Max.)[mm]50
    G.W. Size(㎜)O.D.(Max.)[mm]φ50
    G.W. Head Speed15,000~80,000
    G.W. Size(㎜)O.D.(Max.)[mm]φ50
    Floor SpaceW×D [mm]1,600×1,580
    Machine Weight[Kg]1,600

    High precision, High speed grinding and Small footprint bearing Internal grinder.
    Depending on the machining specifications, the workhead can be selected
    from"Two rollers-one shoe type or Two-shoe magnet chuck type".

    Product Specifications Download
  • OD Grinder (Shoe Type Centerless)

    Model 1M350
    Model 1M350
    Model1M350
    Grinding CapacityO.D.(Max.)[mm]φ19
    T(Max.)[mm]18
    G.W. Size(㎜)O.D.(Max.)[mm]φ355
    Floor SpaceW×D [mm]1,560×1,200
    Machine Weight[Kg]1,500
    • Model 1M350

      Shoe type centerless grinder that provides the high-precision and high-speed grinding required for bearing outer diameter grinding. The lineup of models from very small to large diameter parts.

    Product Specifications Download
    Model 3rg410
    Model3RG450
    Grinding CapacityO.D.(Max.)[mm]φ150
    T(Max.)[mm]50
    G.W. Size(㎜)O.D.(Max.)[mm]φ455
    Floor SpaceW×D [mm]2,100×1,700
    Machine Weight[Kg]5,000
    Model 3rg610
    Model3RG610
    Grinding CapacityO.D.(Max.)[mm]φ230
    T(Max.)[mm]130
    G.W. Size(㎜)O.D.(Max.)[mm]φ610
    Floor SpaceW×D [mm]3,000×3,000
    Machine Weight[Kg]6,500
  • Groove Grinder

    Model SG300SH
    ModelSG300SH
    Grinding CapacityO.D.(Max.)[mm]φ60
    Outer GroovePlease contact us for details.
    G.W. Size(㎜)O.D.(Max.)[mm]φ300
    Floor SpaceW×D [mm]1,200×2,800
    Machine Weight[Kg]3,700

    Outer groove grinder for vane pump rotors. High-speed grinding with a CBN wheel.
    High precision groove indexing with direct connection to servo motor.
    Loading is installed as standard in the machine.

    Outer groove grinder for vane pump rotors. High-speed grinding with a CBN wheel.
    High precision groove indexing with direct connection to servo motor.
    Loading is installed as standard in the machine.

    Product Specifications Download
    Model sam084
    Model sam084
    ModelSAM084
    Grinding CapacityO.D.(Max.)[mm]φ105
    T (Max.)[mm]35
    Inner Groove (Min.)[mm]4
    G.W. Size(㎜)O.D.(Max.)[mm]φ62
    Floor SpaceW×D [mm]1,350×1,855
    Machine Weight[Kg]4,000

    Internal groove grinder for rotary compressors, such as cylinder vane slots.

    Model sam084

    Internal groove grinder for rotary compressors, such as cylinder vane slots.

    Product Specifications Download
  • Vertical Spindle Type Grinder

    Model 3rg410

    Modular of grinding units. "Multi-surface continuous grinding line" by connecting VGF300 of different grinding unit. Equipped with a wire transfer robot as standard.

    • VGF300 仕様
    • VGF300 Surface Grinding平面研削
    • VGF300 O.D. & End Face Grinding外径・端面研削
    • VGF300 I.D. Grinding内面研削
    • VGF300 Groove Grinding溝研削
    Specification Surface Grinding O.D. & End Face Grinding I.D. Grinding Groove Grinding
    Grinding Capacity O.D.(Max.)[mm] φ350 Product Specifications Download
    T(Max.)[mm] 180
    G.W. Size(㎜) O.D.(Max.)[mm] φ305 φ150
    Floor Space W×D [mm] 1,100×3,650
    Machine Weight [Kg] 7,000
    Model 3rg410
    VG100
    VG100
    ModelVG50VG100
    Grinding CapacityO.D.(Max.)[mm]φ180φ150
    I.D.(Max.)[mm]φ100φ110
    T(Max.)[mm]10080
    G.W. Size(㎜)O.D.(Max.)[mm]φ50φ100
    Floor SpaceW×D [mm]950×2,5651,550×2,500
    Machine Weight[Kg]4,5006,000
    Model 3rg410
    VG100
    VG100
    ModelVG300VG300A
    Grinding CapacityO.D.(Max.)[mm]φ150
    I.D.(Max.)[mm]-
    T(Max.)[mm]50
    G.W. Size(㎜)O.D.(Max.)[mm]φ305
    Floor SpaceW×D [mm]1,550×2,5651,550×2,565
    Machine Weight[Kg]6000
  • Multi-Head Grinder

    Model vgm3
    ModelVGM3VGM5
    Grinding CapacityO.D.&I.D
    (Max.)[mm]
    φ300φ500
    T(Max.)[mm]250
    G.W. Size(㎜)O.D.(Max.)[mm]
    inner
    φ180φ205
    O.D.(Max.)[mm]
    outer
    φ355φ405
    Floor SpaceW×D [mm]2,000×3,0002,620×3,000
    Machine Weight[Kg]12,00013,000

    High-precision grinding of inner and outer diameters and end faces with one chuck.

    vgm3
    Product Specifications Download
  • CVT Movable Pulley Grinder

    Model MG32AIP
    Model MG32AIP
    ModelMG32AIP
    Grinding CapacityO.D.(Max.)[mm]φ200
    T(Max.)[mm]80
    G.W. Size(㎜)O.D.(Max.)[mm](for Bevel Face):φ610
    (for I.D.):φ50
    Floor SpaceW×D [mm]3,900×3,000
    Machine Weight[Kg]14,000

    Grinding of angle, inner surface, and spline groove of CVT movable pulley with one chuck. We have a lineup of grinding machines that divide the process, and we are one of the leading companies in the industry.

    Product Specifications Download
  • Silicon Wafer Grinder

    Model 3rg410
    ModelDXSG320
    Grinding CapacityO.D.(Max.)[mm]φ200φ300
    T(Max.)[mm]-
    G.W. Size(㎜)O.D.(Max.)[mm]φ110φ160
    Floor SpaceW×D [mm]1,900×2,560
    Machine Weight[Kg]5,000

    Three processes in a production line (Lapping→Obverse Side Grinding →Reverse Side Grinding) are integrated into one machine.
    Both sides are simultaneously ground for each wafer and allows to store and traceability of grinding data for each wafer.
    Cassette transfer can be handled by OHT.Double Disc Wafer Grinder that can be replcaced from the lapping machine.

    Product Specifications Download
  • Hard and Brittle Wafers Grinder

    Model 3rg410
    ModelR631DF
    Grinding CapacityO.D.(Max.)[mm]φ200
    T(Max.)[mm]2.5
    G.W. Size(㎜)O.D.(Max.)[mm]φ305
    Floor SpaceW×D [mm]1,610×2,520
    Machine Weight[Kg]6,000

    Grinding a wafer one by one.Traceability to grinding data for each piece is possible.
    High-precision mirror surface grinder that can be replaced from the lapping machine.

    Product Specifications Download

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