BLANCHARD 11-20로타리 평면 그라인더
NASH TOOL & MACHINE SUPPLY, INC.
22701 Nagel Street
Warren, Michigan (Detroit suburb) 48089
BLANCHARD NO. 11-20 ROTARY SURFACE GRINDER
Serial number—11813; new 1968
MACHINE FEATURES NEW CHUCK LIFE AND ONE YEAR WARRANTY
Maximum swing inside splash guards—20”
Magnetic chuck—20” diameter with ½” concentric poles
Grinding wheel—11” diameter x 1” thick x 5” deep cylindrical wheel
Grinding wheel speed—1,200 r.p.m.
Grinding wheel spindle—15 h.p. ; direct drive
Vertical downfeed--.003 to .070 i.p.m. ; wheel feed graduated in
Magnetic chuck rotation speeds—(4) 15, 24, 41, and 60 r.p.m.
Power rapid traverse for raising and lowering wheel head
Wheel dresser built into head
Spindle load meter
Solid state Neutrofier magnetic chuck control
Coolant system built into base
Condition—very good; completely reconditioned; new spindle
test grinding; spindle face plate run out to be .0002” (2 tenths) TIR
sample part grinding for approval
one year warranty included