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8" w 20" l supertec planotec 820CII surface grinder, 3-


8" W 20" L Supertec PLANOTEC 820CII SURFACE GRINDER, 3-
8" Width 20" Length Supertec PLANOTEC 820CII SURFACE GRINDER, 3-Axis Automatic, 5 HP
"NEW" SUPERTEC MODEL PLANOTEC 820CII
3-AXIS FULLY AUTOMATIC HYD. SURFACE GRINDER
NOTE: PHOTO IS OF THE PLANOTEC 1224CII MODEL
- All essential castings are rib reinforced to provide a rigid
machine structure for long lasting accuracy and stability.
- The precision cartridge spindle is equipped with a total of 4
preloaded class 7 (p4) super precision angular contact ball
bearings to ensure high accuracy and superior grinding finish.
- Spindle, couplings, and 5 HP spindle motor are precisely
balanced for low vibration and powerful output to achieve
- Double V saddle and table ways are Turcite-B coated and precisely
hand scraped to provide smooth movement, better accuracy and
- Both saddle and table travel on Hydrostatic ways, a cushion of oil
with no metal-to-metal contact, providing excellent way longevity
- The rigid wheelhead travels on linear slideways and is precisely
positioned with an AC servo motor and precision ballscrew to
ensure better downfeed repeatability. The smallest downfeed
- The crossfeed mechanism incorporates a precision ballscrew, and
AC inverter to provide smooth, accurate crossfeed and allows
criss-cross grinding for better workpiece finish.
- The hydraulic & coolant systems are separated from the machine
to eliminate vibration and dissipate heat better. A heat exchanger
is used on the hydraulic system to maintain optimum oil temperature.
maximum accuracy. An alarm light will illuminate if oil pressure
drops below recommended pressure.
- Mitsubishi PLC control uses a menu-driven LCD touch screen is
total grinding amount, rough increment, fine increment, sparkout
passes, feeding direction, parking position, wheelhead retract
distance, and press cycle start to complete an automatic grinding
- Grinding cycles for CII model: semi-automatic, surface, plunge,
- Distance from table surface to spindle center: 24
- Standard magnetic chuck size: 8 x 20
- Table speed (infinitely variable): 10 - 82 fpm
- Auto traverse increment: 0.02 - 0.32
- Handwheel per graduation: 0.001
- Handwheel per revolution: 0.2
- Automatic infeed: 0.000010 - 0.01
- handwheel per graduation (MPG): 0.000010 /0.0001 /0.001
- handwheel per revolution (MPG): 0.001 /0.01 /0.1
- Elevating motor: (servo motor) 1.33 HP (1 KW)
- Net weight (approx.): 5,780 lbs
- Gross weight (approx.): 6,560 lbs
- Packing Dimension (L x W x H): 75 x 75 x 87
- Electromagnetic chuck (8 x20 )
- Permanent magnetic chuck (8 x20 )
- O.S. Walker ceramax permanent chuck (fine pole, 8 x20 )
- O.S. Walker LBP (fine pole, 8"x20")



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