CNC Rotary Table
MRNC - 255 • 255-N • 320 • 320-N • 400 • 400-N
Feature
  • Worktable diameter Ø255, Ø320, Ø400mm.
  • Motor is mounted at right. ( Vertical & Horizontal applications)
  • Exclusive dual lead worm drive.
  • Wholly circular hydraulic clamping system.
  • M
  • R
  • NC
    • -
  • 255
    • -
  • □
  1. Hydraulic system
    Vertical & Horizontal
    both applications
  2. 0.001° Positioning
  3. Servo control
  4. Table diameter
  5. Motor cover
    N：Shortened
Specifications / Model Unit MRNC-255/255-N MRNC-320/320-N MRNC-400/400-N
Worktable Diameter mm Ø255 Ø320 Ø400
Table Height Horizontal mm 167 222 250
Center Height Vertical mm 160 210 255
Overall Height mm 350 385 465
Center Bore Diameter mm Ø40H7 Ø40H7 Ø40H7
Through-Hole Diameter mm Ø33 Ø40 Ø40
Width Of T-Slot mm 12H7 14H7 14H7
Width Of Guide Block mm 18h7 18h7 18h7
Minimum Input Increment deg. 0.001° 0.001° 0.001°
Indexing Accuracy sec. 15" 15" 15"
Repeatability sec. 4" 4" 4"
Servo Motor
(Model As Required)		 FANUC 　αiF4
 ◆αiF8		 αiF12 αiF12
MITSUBISHI 　HF/HG-104S
 ◆HF/HG-154S		 HF/HG-204S HF/HG-204S
SIEMENS 1FK7063 1FK7083 1FK7083
HEIDENHAIN QSY116E QSY155B QSY155B
Speed Reduction Ratio 1/180 1/180 1/180
Max. Table Rotation Speed r.p.m 16.6 16.6 16.6
Allowable Turntable Torque N.m (kgf.m) 568(58) 784(80) 1715(175)
Pressure (Clamping System) kg/cm2 35 (Hyd.) 35 (Hyd.) 35 (Hyd.)
Clamping Torque N.m (kgf.m) 490(50) 833(85) 1764(180)
Allowable Load Capacity Vertical
kg 100 150 200
Horizontal
kg 250 350 500
With Tail-Stock
kg 250 350 500
MAX.Thrust Load
(Table is clamped)		 Axial force
N (kgf) 19600
(2000)		 29400
(3000)		 39200
(4000)
Radial moment
N.m (kgf.m) 490
(50)		 833
(85)		 1764
(180)
Tilting moment
N.m (kgf.m) 931
(95)		 1568
(160)		 2450
(250)
Allowable Inertia Force J=W.D2/8
kg.m2
(kg.cm.sec2)		 2.03
(20.74)		 4.48
(45.7)		 10
(102)
Net Weight (Motor Excluded) kg 93 174 262
Dimensions

Note：

  1. Choice of junction box location at side, top or back of the rotary table.
  2. "N" means shortened motor cover, please contact us for shortening drawing if necessity.
  3. "◆" Means recommend.
Dimensions
MRNC-255
MRNC-255-N
MRNC-320
MRNC-320-N
MRNC-400
MRNC-400-N
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