#11 20 BLANCHARD ROTARY SURFACE GRINDER

                                                                    S/N 7085   Year: 1955


RANGE
20" Diameter x 7" high over 16" chuck with new cylinder wheel.

WORK TABLE
Blanchard one piece steel magnetic chuck, 16" diameter with 1/2" pole spacing, 3/4" center hole, four 3/8" tapped holes for securing stops or fixtures.  Chuck uses direct current only, 110 or 220 volts, 156 watts required, 1.4 amperes on 110 volts, 0.7 ampere on 220 volts.

NOTE: Where direct current is not available a 500 watt rectifier is ample for one chuck either on voltage.

WHEEL
6" Segment, 12" diameter chuck.

SPEEDS
Wheel:  1500 R.P.M. on 25 and 50 cycle (uses wheel 10" x 4" x 8").
Chuck:  Four geared speeds 15, 24, 41, and 64 R.P.M. on 60               

cycle; 12, 20, 35, and 53 R.P.M. on 25 and 50 cycle.

FEED
Vertical down feed by hand or power, dial graduated in .0005" (dials can be furnished with metric graduations).  Power feed variable from .003" to .070" per minute on 60 cycle current (.003" to .058" per minute on 50 cycle) with accurate automatic stop. Maximum down feed before stop operates is .048".  Wheel head has rapid raise and lower by power, interlocked with feed.

WATER SUPPLY
Easy cleaning tank in base, capacity over 75 gallons. Motor driven centrifugal pump submerged in tank, 16 gallons per minute discharge, supplying water inside the wheel and to outside nozzle through 3/4" pipes.

FLOOR SPACE & HEIGHT
Length ................................................. 5'3"
Width .................................................. 3'6"
Maximum height: ........................................ 6' 8 3/4"
Minimum: ............................................... 5'9 1/2"
Height of chuck from floor:............................. 36 1/2"

WEIGHT
Domestic shipping weight................................ 6100 lbs.
Export shipment in one case approximately:
6'3" x 4'3" x 6'11" high; 175 cubic feet.

STANDARD EQUIPMENT
16" magnetic chuck with demagnetizing switch, 15 HP motor built into wheel head, rotor mounted on machine spindle, ammeter in wheel motor circuit; 1 HP totally enclosed, ball bearing motor for table drive; for rapid torque motor, totally enclosed, ball bearing, for rapid rising and lowering of the head; 1/4 HP totally enclosed, ball bearing motor driven coolant pump.  All with 110 volt push buttons on front of machine completely wired to control panel on back of machine containing starters and protective relays for all motors and disconnect switch; water guards and piping.

ADDITIONAL FEATURES
A.C/D.C. Amperage meter.
6" Segment 12" diameter chuck.
Load monitor.
12" Vertical.
Wet base.

Specifications are deemed accurate, however, subject to verification or prior sale.