Okamoto Precision Form Grinding Machine ACC450 Series

  • V-V slideways for greater durability , accuracy and stability.
  • Implementation of AC Servo Motor for 0.0001mm vertical rapid feed.
  • Manual Pulse Generator for vertical feed.
  • Concealed type spindle motor with increase to 2HP for greater performance.
  • All main casting are taken shape in the extra rigid type through computerized structure analysis by finite element method.


CapacityTable Working Area(Length×Width)mm450×150
Table Movement(Longitudinal×Cross)mm530×210
Table Top to Wheel Bottommm357.5(use dia. 205mm wheel)
Standard Chuck Sizemm450×150
Table Load Capacitykg120(include chuck weight)
TableT-slot (Width×No)mm17×1
Longitudinal Feedrate (Average)m/min0.1~20
Hand Feed per Revolutionmm100
Cross FeedManual FeedHand feed per revolutionmm5.0
Graduation of handwheelmm0.02
Auto FeedIntermittent Feedmm0.1~5.0N.A
Continuous Feedm/min0.16~0.4N.A
Vertical feedAutomatic Feed(Plunge &Traverse)mm0.0001~0.03N.A0.0001~0.03N.A
Manual Micro Feed(x0.1/x1/x10)mm0.0001/0.001/0.01
Down Feed/Rev. (x0.1/x1/x10)mm0.01/0.1/1.0
No. of Spark Out0~5N.A0~5N.A
Rapid Feedmm/min600
Grinding WheelOuter Diameter×Width×BoremmDia.205×6~25×Dia.31.75
MotorsGrinding Wheel SpindleKw/p1.5/2
Hydraulic PumpKw/p0.75/4
Vertical Rapid FeedKw0.4(AC Servo motor)
Cross FeedKw/p0.75/3N.A
Power SupplyPower consumption including Electro Magnetic ChuckKVA5.0
Floor SpaceLength×Width×Heightmm1994×1659×2268
WeightNet Weightkg1250