JONES & SHIPMAN #1300 10” x 27”cc Universal Cylindrical Grinder #GMT-1768

Reference #: GMT-1768
Model #: 1300
Serial # : BO 92088
Year of manufacture: 1979'
Maximum diameter ground with new wheel: 10"
Maximum grinding length between centers : 27"
Maximum workpiece weight between centers: 220 Lbs.
Table traverse fine feed graduations: 0.0002”
Table traverse per revolution of handwheel: .5"
Table traverse steplessly variable per minute: 3” – 144”
Table swivel adjustment:
Included angle clockwise: 16°
included angle counterclockwise: 18°
Cross traverse of wheelhead: 8-1/16”
Cross feed handwheel graduated in increments of: .0002”
Feed inching lever graduated in increments of: .0001”
Automatic infeed of wheelhead at each reversal of table: .0001” - .0006”
Infeed rate at table reversal, reduction in work diameter: .0002” - .0012”
Maximum range of continuous infeed for plunge grinding allows a reduction in work diameter: 0.040”
(6) Workhead speeds: 40 – 320 R.P.M.
Workhead swivel, clockwise/counter-clockwise: 15 degrees clockwise, 90 degrees anit-clockwise
Tailstock spindle center taper: Jones & Shipman taper
Tailstock spindle center taper: #3 Morse
Standard grinding wheel (EIU Type): 12” Diameter x 1-1/2” Wide x 5” Bore
(2) Wheelhead speeds: 2,000 & 2,650 R.P.M.
Wheelhead swivel adjustment each side of normal position: 180 Degrees
Internal grinding spindle speed: 16,500 R.P.M.
Internal grinding capacity: ¾” – 2” Diameter