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6967-430 Studer Model RHU 650 Universal Cylindrical Grinder

Inventory Number: 6967-430

Technical Specifications:

  • Serial number: 201.27
  • Year of manufacture: 1978
  • 220V/3PH/60HZ
  • Center height: 4.92"/6.89"
  • Distance between centers: 27.56"
  • Table travel: 27.56"
  • Maximum ground length @ 30 degree approach: 20.87"
  • Table speed, sleeplessly variable:16-18 ft/minute
  • Reverse dwell: 0 - 6 sec.
  • Minimum reverse stroke: .059"
  • Maximum swivel of table: 10 degrees
  • Distance traveled per hand wheel revolution: .984"
  • Work head:
    • Swivel toward grinding wheel: 90 degrees
    • Speed steplessly variable
    • Center height 125mm - rpm remotely controlled
    • Center height 175mm - rpm remotely controlled
    • Taper in spindle nose: Morse #5
    • Collet shank diameter: .984"
    • 3-Jaw chuck diameter: 6.3"
    • Northfield precision chuck - currently on machine: 4"
  • Wheel head:
    • Grinding wheel left
      • Diameter to choice: 16/12"
      • Maximum width: 2"
      • Bore: 5"
  • Grinding wheel right
    • Speed of grinding spindle: 3 - step v-belt pulley
    • 400 mm, 16" rpm: 1500/1625/1800
    • 300mm, 12" rpm: 2000/2200/2420
  • Motor: 4 HP, Power: 5 KW
  • Hydraulic rapid advance wheel head retract: 1.57"
  • Additional travel via handlever: 8.27"
  • Swivel of head: 3 degrees
  • Accuracies as per the operator's manual incremental infeed per stroke steplessly variable diameter: .00004 - .002"
  • Continuous infeed steplessly variable per second, diameter: .000008 - .004"
  • Depth of plunge on standard diameter: .670"
  • Overall size: 124"(L) x 53.1"(W)
  • Estimated weight: 2200 lbs.

Equipped With:

  • Pneumatic 3-Jaw chuck
  • Separate control station
  • Coolant system

Additional Photos:


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You may also call us at: 1-800-619-GOLD
between the hours of 9am and 5pm EST
OR E-Mail David Gold at DGOLD@GoldMachinery.com

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© Gold International Machinery 2015

[ Mailing Address | Gold International Machinery, Corp | P.O. Box 998 Pawtucket, RI 02862 ]
[ Physical Address: | 136 Newell Avenue | (corner of Thurston & Newell Sts.) | @Exit 26, Route 95 North | Pawtucket, RI USA 02860-0998 ]
[ mail@goldmachinery.com | Toll Free: 1-800-619-GOLD | Phone: 401-724-3200 | Fax: 401-728-5770 ]