CNC Rotary Table
MRNC - 255-F • 255-T • 320-T • 400-T
Feature
  • Worktable diameter Ø255, Ø320, Ø400mm.
  • Motor is mounted at the back or above. ( Vertical appication only)
  • Exclusive dual lead worm drive.
  • Wholly circular hydraulic clamping system.
  • M
  • R
  • NC
  • -
  • 255
  • -
  1. Hydraulic system
  2. 0.001° Positioning
  3. Servo control
  4. Table diameter
  5. Motor position
    F:Back type
    T:Top type
Specifications / Model Unit MRNC-255-F MRNC-255-T MRNC-320-T MRNC-400-T
Worktable Diameter mm Ø255 Ø255 Ø320 Ø400
Center Height Vertical mm 160 170 220 265
Overall Height mm 338 595 630 820
Center Bore Diameter mm Ø40H7 Ø40H7 Ø40H7 Ø40H7
Through-Hole Diameter mm Ø33 Ø33 Ø40 Ø40
Width Of T-Slot mm 12H7 - - 14H7
Width Of Guide Block mm 18h7 - - 18h7
Minimum Input Increment deg. 0.001° 0.001° 0.001° 0.001°
Indexing Accuracy sec. 20" 15" 15" 15"
Repeatability sec. 4" 4" 4" 4"
Servo Motor
(Model As Required)
FANUC αiF 4    αiF4
◆αiF8
αiF12 αiF12
MITSUBISHI HF/HG-104S    HF/HG-104S
◆HF/HG-154S
HF/HG-204S HF/HG-204S
SIEMENS 1FK7063 1FK7063 1FK7083 1FK7083
HEIDENHAIN QSY116E QSY116E QSY155B QSY155B
Speed Reduction Ratio 1/120 1/180 1/180 1/180
Max. Table Rotation Speed r.p.m 33.3 16.6 16.6 16.6
Allowable Turntable Torque N.m (kgf.m) 568(58) 568(58) 784(80) 1715(175)
Pressure (Clamping System) kg/cm2 35 (Hyd.) 35 (Hyd.) 35 (Hyd.) 35 (Hyd.)
Clamping Torque N.m (kgf.m) 490(50) 490(50) 833(85) 1764(180)
Allowable Load Capacity Vertical
kg 100 100 150 200
With Tail-Stock
kg 250 250 350 500
MAX.Thrust Load
(Table is clamped)
Axial force
N (kgf) 19600(2000) 19600(2000) 29400(3000) 39200(4000)
Radial moment
N.m (kgf.m) 490(50) 490(50) 833(85) 1764(180)
Tilting moment
N.m (kgf.m) 931(95) 980(100) 3626(370) 5880(600)
Allowable Inertia Force J=W.D2/8
kg.m2
(kg.cm.sec2)
2.03(20.7) 2.44(24.9) 4.48(45.7) 10(102)
Net Weight (Motor Excluded) kg 128 125 240 300
Dimensions

Note:

  1. "◆" Means recommend.
Dimensions
MRNC-255-F
MRNC-255-T
MRNC-320-T
MRNC-400-T