MRNC-255
E-catalog
  • 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 or Horizontally
  • 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 Machining Applications: Large Molds with Multiple Cutting Surfaces Workpieces: Automotive Turbine Housings, Exhaust Manifolds, Tire Mold Machining, Valve Machining
Standard Dimension

Reference

Specifications / ModelUnitMRNC-255RMRNC-320RMRNC-400RMRNC-500/500NMRNC-63A
Worktable Diameter Ømm Ø255 Ø320 Ø400 Ø500 Ø630
Table Height Horizontal mm 167 222 250 300 400
Center Height Vertical mm 160 210 255 310 400
Overall Height mm 350 385 465 565 720
Through-Hole Diameter Ømm Ø33 Ø42 Ø42 Ø50 Ø100
Center Bore Diameter Ømm Ø40H7 Ø40H7 Ø40H7 Ø50H7 Ø100H7
Width Of T-Slot mm 12H7 12H7 12H7 18H7 18H7
Indexing Accuracy sec. 15" 15" 15" 15" 15"
Repeatability sec. 4" 4" 4" 4" 4"
Clamping Torque (Hydraulic 35kg/cm2) kg-m 50 85 180 250 450
Allowable Load
Capacity
Vertical kg 100 150 200 250 960
Horizontal 250 350 500 600 2000
With Tail-Stock 250 350 500 500 1920
Allowable Inertia Force kg-cm-sec2 12.3 38.5 99.8 185.2 405
Allowable Turntable Torque kg-m 48 78 170 250 420
Allowable Workpiece Diameter Ømm Ø255 Ø320 Ø400 Ø500 Ø630
Net Weight (Motor Excluded) kg 93 174 262 458 800
Servo Motor
(Model As Required)
  α4i α12i α12i α12i α12i α22i
  HF-154S HF-204S HF-204S HF-240S HF-204S
Speed Reduction Ratio   1/180 1/180 1/180 1/180 1/180
Minimum Input Increment deg. 0.001° 0.001° 0.001° 0.001° 0.001°
Table Rotation Speed r.p.m 22.2 16.6 16.6 16.6 16.6
  1. Choice of connector location at side, top or back of the rotary table.