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GMC GMSG-820AH & GMSG-820AHD

Standard Features:

  • ISO 9001
  • Precision roller ball ways
  • Heavy Duty "Meehanite" Casting
  • Roller tracks are Turcite-B coated for long life
  • "Turcite B" Coating on ways
  • Double Vee on cross slide
  • Model # GMSG-820AHD has automatic down feed
  • Complete coolant system included
  • Full splash guards
  • Over 680 pounds table load capacity
  • Hardened & precision ground & hand scraped ways
  • Dynamically balanced spindle run-out within 0.00008"
  • Automatic down feed is driven on V-type guideway
  • Safety 24 low voltage electric controls & overload protection
  • Automatic continuous lubrication for all ways & leadscrews
  • Adjustable longitudinal table stops and cross feed lock
  • (4) preloaded class 7 (P4) high precision angular contact spindle bearings for high precision grinding
  • Power source: 208V / 220V / 230V, 3-phase (option: 440V/460V, 3-phase)
  • One year industrial warranty for parts

Standard Equipment:

  • Complete coolant system with splash guards
  • Halogen work light installed
  • (1) Grinding wheel with flange 8" dia. x 1/2" thick x 1 1/4" bore
  • Grinding wheel extractor
  • Diamond wheel dresser with base
  • Balance stand & wheel wrench & balance arbor
  • Automatic lubrication system
  • Tool box with tools & leveling pads
  • Operation and parts manual
SPECIFICATIONS
Model GMSG-820AH GMSG-820AHD
Table Size ( chuck size ) 8" x 20"
Load Capacity 680 LBS
T-slot size 9/16"
Grinding capacity, W x L 8-1/2" x 20"
Max. longitudinal manual table travel 20"
Hydraulic automatic longitudinal table travel 20"
Automatic longitudinal travel speeds 3' to 82' / min.
Max. cross manual table travel 9"
Cross rapid traverse 48" / min.
Automatic cross table increment feeds 0.006" - 0.30"
Cross handwheel graduation 0.001"
Cross handwheel per revolution 0.2"
Vertical automatic down feed-rapid traverse --- 9" / min.
Automatic vertical down feed rate, variable --- 0.00004" - 0.0004"
Vertical downfeed handwheel graduation 0.0002"
Vertical downfeed handwheel per revolution 0.05"
Max. spindle centerline to table surface 16-1/4"
Spindle speed 3,600 rpm
Spindle motor 3 HP,  3-phase 230V
Hydraulic pump motor 1 HP, 3-phase 230V
Cross feed motor 1/2 HP, 3-pahse 230V
Automatic down feed motor 1/4 HP, 3-ph, 230V
Coolant pump 1/8 HP, 3-ph, 230V
Coolant tank capacity 8 Gal.
Wheel size, Diameter x Thickness x Center Bore 8" x 3/4" x 1-1/4"
Machine weight, LBS 2,870 LBS 2,960 LBS
Machine dimensions:  L x W x H 66 x 50 x 78" 78 x 56 x 83"
There is no further information.

Optional Equipment

  • 8"x20" standard permanent magnetic chuck # SMC-820
  • 8"x20" fine pole permanent magnetic chuck # FPMC-820
  • Dust collector system for GMSG-820AHD # DC-820
  • 2 axis NEWALL #C 80 for GMSG-820, USA, installed # NW-820
  • Parallel dresser # PDR
  • Variable spindle speeds from 50 rpm to 3,600 rpm # VARI-SP
  • Rotary phase converter, USA, 7HP # R7-820
  • Coolant system with paper filter & magnetic separator
Copyright © 2017 Smith-Hamilton, Inc
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