• MGK1320MGK1420
  • High Precision CNC (Universal) Cylindrical Grinding Machine

    • Features of the machine tool performance and structure

    As the high end CNC machine products, MGK1320 and MGK1420 CNC (universal) cylindrical grinding machines are independently developed on the basis of applying new technologies and rich experience of designing and manufacturing CNC grinding machines. Characterized by universalization, high-degree modularization, high rigidity, high efficiency, high adaptability, high precision, easy to operate and reliable performance,these machines are suitable for small-lot productions in workshops of military industries, aviation industry, aerospace industry and common precision machining.

      • With structural layout of mechatronics and integral protective cover, the machine tool is convenient for maintenance and in conformity with human engineering requirements.
      • With a sleeve type hydrostatic/hydrodynamic mainshaftingadopted for the grinding wheel spindle, the machine tool features on the high rotary precision and good rigidity.
      • With two-axis linkage feeding, the machine tool is equipped with worktable (Z axis) and wheel head (X axis) drivenbyAC servomotor and ball screws. The minimum setting unit is 0.1μm.
      • The machine tool can be provided with various types of diamond dressers (installed on the rear side of the work head) according to the needs of customers, thus realizing precise numerical control dressing for complex wheel profileand automatic compensation.
      • The machine tool is provided with an imported or a domestic active measuring device, thus realizing the closed-loop control of grinding process.
      • The machine tool adopts an imported advanced CNC system and is provided with all-around controlling functions including grinding program changes, work-piece quality control, machine condition monitoring, fault self-diagnostics, abnormal alarm, and convenient menu type interface input.

    Specifications

    Specification Unit MGK1320 MGK1420
    ×750 ×750
    Maximum swiveling diameter mm Æ220
    Distance between Centers mm 750 750
    Height of center mm 160
    Maximum grinding diameter mm Æ220
    Maximum workpiece weight between centers kg 100
    Control System   FANUC     SIEMENS
    Grinding wheel (max) OD×W×ID mm Æ500×75×Æ203
    Linear speed mm/sec 35
    Wheel head Total travel mm 277
    Feed speed mm/min 0.1~5000
    Minimum setting unit mm 0.001
    Worktable Type   Two layer conical degree adjusting worktable
    Feed speed mm/min 0.1~5000
    Minimum setting unit mm 0.001
    Work head Center   MT. No.4
    Rotating speed r/min 30-300 (stepless)
    Internalgrinding Power of motor for internal grinding Kw   0.55
    Range of internal grinding mm   Æ13~Æ80
    Max. length of internal grinding mm   125
    Max .workpiece weight be held by chuck kg   30
    Tailstock Center   MT. No.4
    Travel of center mm 60
    Electrical system Power of wheel spindle motor Kw 7.5
    Torque of wheel head feeding motor N.m 8(FANUC)/16(SIEMENS)
    Torque of worktable feeding motor N.m 12(FANUC)/16(SIEMENS)
    Power of work head spindle motor Kw 0.75Kw variable frequency motor/1.1Kw variable frequency motor
    Hydraulic pump motor Kw 0.75(4P)
    Motor of wheel spindle bearing lubrication pump Kw 0.75(4P)
    Cubage dimension Hydraulic and lubricating oil tank L 45
    Spindle bearings oil tank L 45
    Net Weight kg 6000 6500


    Working accuracy(standard test specimen)

    Inspection item MGK1320/MGK1420
    Roundness 0.0005mm
    Consistency of the longitudinal section diameter 0.003mm
    Roughness Ra 0.04μm (longitudinal grinding)；Ra 0.2μm (plunge-cutgrinding)


    Layout plan


    Model W mm D mm
    MGK1320 x 750 3900 3700
    MGK1420 x 750 3900 3700


    Specifications, precision and appearance are subject to change without notice because of constantly development of our technology.