SG-820-2A Two-Axis Automatic Surface Grinder

SG-820-2A Two-Axis Automatic Surface Grinder

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  • Auto infeed (Y)
  • Auto longitudinal feed (X)
  • Manual downfeed (Z)
  • Ball screw on Y axis
  • Double V ways for cross travel, one V one flat way for longitudinal travel.
  • Slide ways are hand scraped and coated with TURCITE B.
  • Automatic cross feed.
  • Accurate slot grinding using saddle locking system and ball screw cross feed.
  • Advanced hydraulic system with independent oil tank for vibration free table.
  • Automatic lubrication system.
  • Hydraulic table stroke setting.


  • Grinding wheel (8”x1.25”x0.75”)
  • Wheel adapter/flange
  • Auto lube system
  • Coolant system (12 gal.)
  • Work light
  • Balance arbor
  • Diamond dresser
  • Tool kit

    OPTIONAL ACCESSORIES (contact us for pricing):

    • Grinding wheel (10”x1.25”x0.75”) with vari-speed wheel control
    • 8”x20” electro magnetic chuck
    • 8”x20” fine pole electro magnetic chuck
    • Parallel dresser (overhead)
    • Balance stand
    • Extra wheel adapter/flange
    • Coolant system (12 gal) with splashguard
    • Dust collector
    • Coolant system (25 gal.) with paper filter
    • Coolant system (25 gal.) with paper filter and magnetic separator 
    • Digital Readout System
    Maximum grinding length 21.7"
    Maximum grinding width 8.7"
    Max distance: table to spindle center 15.7”
    Working surface (W x L) 8" x 20"
    Maximum longitudinal travel 23.6"
    Maximum cross travel 9.25"
    Hydraulic feed 3.3 ~ 82 ft/min
    Hand feed per revolution (longitudinal) 2.7 ft./rev
    Graduation of hand wheel (cross) 0.0008"
    Hand feed per revolution(vertical) 0.04 in/rev
    Graduation of hand wheel (vertical) 0.0001"
    Intermittent feed 0.006 ~ 0.4”
    Continuous transverse feed 47.2 in/min
    Hand feed 0.2 in/rev
    Spindle motor 2 HP
    Spindle speed 3,420 rpm
    Grinding wheel, outside diameter 8”
    Grinding wheel bore 1.25”
    Grinding wheel width 0.5”

    Hydraulic motor 1 HP
    Floor space (W x H x L) 83 x 59 x 78”
    Net wt. (approx.) 2,540 lbs