Reference Number: 139222

O.K. Tool Radius Grinder 
 
 ** Optical Comparator **
 
 Model: R6     S/N: R89329    New 1989
 
  -GRIND END MILLS, REAMERS, MILLING CUTTER, 
   COUNTERBORES, COUNTERSINKS, ALL LATHE, SHAPER
   & PLANER FLAT FORM TOOLS .. CARBIDE OR HIGH
   SPEED STEEL, INCLUDING THE FLUTE GRINDING OF
   STRAIGHT FLUTED TOOLS (TAPS, COUNTERBORES,
   ETC.) 
 
  -GRIND BALL NOSE, EVEN ON TAPERED TOOLS, & OTHER 
   DIFFERENT SHAPES 
 
  -PUT ACCURATE CORNER RADII WITH PERFECT BLENDS ON
   END MILLS, MILLING CUTTERS, REAMERS, OUNTERBORES 
   & SPECIALIZED TOOLING 
 
  -GRIND CLEARANCE ANGLE ON REGULAR OR TAPERED
   FLUTES, STRAIGHT OR HELICAL, AS WELL AS MULTIPLE    
   STEPS ON ALL TYPES OF TOOLS 
 
  -WILL ACCOMODATE FLUTE LENGTH TO 4- 1/2". 
 
  -WORKHEAD FEATURES X & Y MOTIONS PLUS ROTARY 
   & TILT.
 
  -GRINDING WHEELHEAD MOVES IN X, Y & Z.
 
  -THE #R6 HAS AN ADDITIONAL GRINDING WHEELHEAD
   FOR HAND GASHING OPERATIONS, SUCH AS OPENING
   UP THE POINT OF A BALL NOSE CUTTER.
 
 
 
 Capacity
 Maximum length of flute accommodated by
   standard machine:....................... 4- 1/2"
 Maximum mill diameter (for head with #9
   B&S spindle) over table:................ 9-1/2"
 Maximum mill diameter (for head with #9 B&S
   spindle) in front of table:............. 12"
 
 Wheel Spindle Movement
 Axial Travel:............................. 4- 1/2"
 Vertical adjustment:...................... 5-3/8"
 Cross Travel:............................. 6-1/4"
   By rack and pinion feed:................ 4"
   By screw feed for fine adjustment:...... 2-1/4"
 
 Work Table Size:............... 6-7/16" x 10-7/8"
 
 Work Table Movement
 Graduated swivel range:.............. 210 degrees
 Adjustment toward and from swivel center:. 3-1/4"
 Cross adjustment:......................... 1-1/4"
 
 Cutter Head Angular Range
 Tilting of cutter head (each way)......... 20 degrees
 Wheel Spindle Speed, RPM:................. 5,000
 
 Approx. Weight ......................... 1000 Lbs.
 
 
 Equipped With:
 Optical Comparator Mounted on Independent 
  Bracket with Cross Sliding Positioning.
 Ball Bearing Slides for Frictionless Movements
 Workhead with B & S #9 Taper 
 Ericson Collets
 Extra Accessories
 1/3 HP 3/60/230-460 Volt spindle drive motor
 
 ** Inspect Under Power in our Harrison, NJ 
   Warehouse **
 
 ** Superb Condition & Appearance **