MRNC-255B
E-catalog
  • Motor is mounted at backend or top
  • 0.001° Minimum Positioning Increment
  • High Rigidity Structure: Disk and Shaft in a Single Piece – Increased Rigidity
  • Increased Wear Resistance – Worm Gear Drive Shaft
  • Can be Used Vertically
  • High Clamping Force: Full Circular Hydraulic Clamping, No Deviation During Heavy Machining
  • High Precision Bearing: Uses 2 High Precision Bearings for Support to Increase Positional Accuracy During Rapid Movement
  • Suitable for Cutting: Iron Castings & Steel

Reference

Specifications / ModelUnitMRNC-255BMRNC-255TMRNC-320TMRNC-400T
Worktable Diameter Ømm Ø255 Ø255 Ø320 Ø400
Center Height Vertical mm 160 170 220 265
Overall Height mm 338 595 630 820
Through-Hole Diameter Ømm Ø33 Ø33 Ø18 Ø42
Center Bore Diameter Ømm Ø40H7 Ø40H7 Ø40H7 Ø40H7
Width Of T-Slot mm 12H7 - - 14H7
Indexing Accuracy sec. 20" 15" 15" 15"
Repeatability sec. 4" 4" 4" 4"
Clamping Torque (Hydraulic 35kg/cm2) kg-m 50 50 85 180
Allowable Load
Capacity
Vertical kg 100 150 150 200
With Tail-Stock 250 300 350 500
Allowable Inertia Force kg-cm-sec2 12.3 12.3 38.5 99.8
Allowable Turntable Torque kg-m 39 48 78 170
Allowable Workpiece Diameter Ømm Ø255 Ø255 Ø320 Ø400
Net Weight (Motor Excluded) kg - - - -
Servo Motor
(Model As Required)
  FANUC MELDAS α4i α8i FANUC MELDAS FANUC MELDAS
  α4i HF-54S HF-54S HF-104S α12i HF-204S α12i HF-204S
Speed Reduction Ratio   1/120 1/180 1/180 1/180
Minimum Input Increment deg. 0.001° 0.001° 0.001° 0.001°
Table Rotation Speed r.p.m 33.3 22.2 16.6 16.6
Standard Dimension

Additional files

MRNC-255B.jpgMRNC-255T.jpgMRNC-320T.jpgMRNC-400T.jpg