PRELIMINARY SPECIFICATIONS

NEW IN 1974
Nominal work swings................................. 18"
Nominal distances between work centers.............. 48"
Maximum work swing & diameter standard machine
will grind with full size standard wheel............ 19 1/4"
Minimum diameter wheel to grind zero diameter
work on centers..................................... 9 1/4"
Coolant tank capacity, gallons...................... 40
Hydraulic tank capacity, gallons.................... 25 1/2
Height from floor to work centerline................ 45 1/4

WORK CARRIAGE
Traverse speed, inches per minute................... 2 to 240
Traverse per turn of hand wheel slow.............. 0.100"
fast.............. 0.750"
Center rest capacity................................ 1" - 7"
WMork rest capacity.................................. 1/2" - 7"m
Center rest capacity................................ 1" - 7"
Work rest capacity.................................. 1/2" - 7"

WHEEL HEAD & WHEEL FEED
Grinding wheel size. . ............................. 14" x 2" x
5"
Grinding wheel head swivel range upper............ 180 Deg.
- lower............ 60 Deg. CW
30 Deg. CCW
Grinding wheel spindle speeds, RPM.................. 1720 2185
Automatic infeed at table reversal on dia........... 0.0002" to
0.004"
Maximum distance wheel centerline to work
centerline.......................................... 18 - 23
7/16"
Minimum distance wheel centerline to work
centerline.......................................... 3"
Work diameter reduction per revolution of
hand wheel.......................................... 0.100"
Work diameter reduction per revolution of
fine feed knob (Hydraulic Infeed Machines).......... 0.001"
Maximum hydraulic feed on diameter for
hydraulic infeed machines........................... 0.090"
Rapid infeed stroke for hydraulic infeed
machines ........................................... 18 - 1 1/2
Internal spindle speed, rpm......................... 15,000

HEAD STOCK & FOOT STOCK
Headstock work center............................... #14 Jarno
Footstock work center............................... #10 Jarno
Footstock center movement by........................ Lever & hand
wheel
Work speeds RPM Low Range......................... 12 to 72
High Range........................ 60 to 360
Diameter hole through headstock spindle............. 1 7/16"
Headstock swivel range.............................. 120 Degrees
Headstock spindle nose.............................. 6A 2

ELECTRIC MOTORS
Wheel drive motor................................... 7.5 HP
Work drive motor.................................... 3/4 HP
Hydraulic oil pump & generator drive motor.......... 2 HP
Wheel spindle lubrication pump motor................ 1/4 HP
Floor space required ............................... 78" x 169"
Weight of machine, net ............................. 10,900 lbs.