14" x 40" KARSTENS CNC UNIVERSAL I.D./O.D.
CYLINDRICAL GRINDER
MODEL: K28, S/N: 97 023 1028 041 MFG.: 1998
FOR EXTERNAL/INTERNAL GRINDING WITH CONTINUOUS PATH CONTROL
EQUIPPED WITH PROGRAMMABLE "B" & "C" AXES OPTIONS
TECHNICAL DATA AND FEATURES:
Swing: 14"
Distance between Centers: 40"
Grinding length: 40"
Max.dia. to be ground: 13.5"
Electrics: 230/460 Volt
3 phase,60Hz
Total installed power with 10 HP spindle motor: 14.5 HP
Net weight of machine, approximately: 10,400 Lbs.
WHEELHEAD:
Grinding Wheel arrangement left hand
Spindle in anti-friction bearings, life time lubricated.
Grinding wheel dia.: 20"
Grinding wheel width, up to: 4"
Grinding wheel bore: 5"
Spindle Motor: 10 HP
Grinding wheel speed 7000 sfpm
Coarse adjustment of wheelhead on air cushion,
clamping with spring-load, unclamping pneumatically
(no hand tools required). Manually swivelling of wheelhead
after unclamping by operating one lever.
WORKHEAD:
Live and dead spindle in anti-friction bearings.
Spindle taper: MT#4
Spindle bore-front: 2-1/2"
Spindle thru bore: .945
Work drive infinitely programmable 25-600 RPM
Workhead can be swiveled on base plate
TAILSTOCK:
On air cushion adjustable
Spindle taper MT#4
Stroke: 1-3/4"
Manual quill retraction.
Spring tension adjustable up to: 176 lbs.
DRESSING DEVICE
Holder for the dressing tool for diamond with shaft MT 0
or diamond dressing blade, (without diamond).
KARSTENS-CNC CONTROL TYPE BWO 900
Modular designed continuous path control
in powerful RISC-processor technology.
Axis interpolation possible in different software channels
Comfortable operation guidance by integrated function keys,
softkeys and data input by numerical key board.
Color-LC-Display, VGA graphic mode
Approaching cycles for automatic setting of reference
points, with lateral locator device,
for dressing and grinding cycles.
CNC programming in accordance to DIN 66025 via keyboard
or data in-and output via serial interface (RS232C).
STANDARD ACCESSORIES:
Wheel guard for grinding wheels up to 4" wide,
Wheel drive for 7000 sfpm,
Grinding wheel flange with grinding wheel 20" dia.
x 1-1/2" wide x 5" bore,
Balancing arbor and extractor screw for wheel flange.
Fine setting device for upper table, including dial
indicator,
1 Set of carbide tipped centers MT No. 4,
1 Set of tools for machine
1 Instruction/service manual, complete with parts list
Equipped with:
WHEELHEAD BASE
B-axis
Angle Position Programmable
Drive System Brushless AC servo motor
Measuring system Encoder
Resolution 0.0001 degree
Workpiece spindle as C-axis,
interpolation with another main axis
Encoder Heidenhain
36,000 impulses per revolution
Resolution .018 degree
Wheel guard for second grinding wheel (right side)
with coolant supply.
to accomodate grinding wheels 16" x 3.150" x 5"
grinding wheel wear down to 12" possible. This would
offer the option to have a wheel in degrees for
face grinding... grinding length 26"
Rear mounted internal grinding attachment,
motor rating 3 HP
Spindle mount for dia. 3.150" x 6.300"
with reductions for dia. 2.362"
and coolant supply,
Internal grinding spindle type UJ 60 x 250R
(Grease lubricated),
including operating tools and drive belts
with 1-1/2" dia. pulley, 15,900 RPM,
3 grinding arbors,
and 3 threaded bolts for mounting grinding
stones 1", 1-3/16" and 1-1/2" dia.
one collet clamping arbor with one collet
1/4" dia
Second dressing device, essential to fully
cover machine range
Wheel mounted for wheel dia. 20" or 16"
clamping width 1-3/16" to 3.150", bore 5"
Shock absorbing leveling pads
Automatic Paper Band Filter Unit
Tank volume 82 gal.
Filter capacity 36 gal./min.
Voltage stabilizer 750 VA for CNC Control
system to compensate fluctuations in the mains
exceeding +/- 10%
Halogen work light 70 watt/24 volt, including
transformer and mounting bracket
Operating Satellite for Karstens CNC Control BWO
** Control Problem - Offered As Is **
CONTACTO 
