Blanchard #11-20, rotary surface grinder, 20" diameter x 7" H Range, 20" chuck, 11" diameter x 5" deep x 1" thick wheel, 15 HP, 1500 RPM, 1952

Blanchard 11-20 Vertical Rotary Surface Grinder, 20" Magnetic Chuck, 7" Vertical, 15 HP Spindle Motor
#11-20 BLANCHARD ROTARY SURFACE GRINDER
S/N 7328 Year: 1952
STANDARD CATALOG SPECIFICATIONS
RANGE
20" Diameter x 7" high over 20" chuck with new cylinder wheel.
WORK TABLE
Blanchard one piece steel magnetic chuck, 20" 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.
WHEEL
11" Diameter, 5" deep, 1" thick (11"x 5" x 9") wire banded cylinder wheel (usable depth 4 1/4").
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
Grinder with 20" chuck and standard equipment, net...... 5475 lbs.
Export shipping weight.................................. 8000 lbs.
EQUIPMENT & FEATURES
20" Magnetic chuck.
15 H.P. Spindle motor.
Rapid raising and lowering wheel head.
Attached electrics.
Lubrication.
Fine feed.
Metric feed.
Load meter.
Wet base.
7” Vertical range.
Dresser.
Solid wheel.
Specifications are deemed accurate, however, subject to verification or prior sale.
All exchange units/returns must be shipped within 30 days. All exchange units/returns must be shipped using DDP terms - Grinders Clearing House, Inc. dba GCH Machinery, is not responsible for any customs formalities or shipping costs.
If Grinders Clearing House, Inc. dba GCH Machinery does not receive exchange/core unit back within 30 days, GCH will invoice FULL replacement cost (OUTRIGHT Cost) to customer.
NOTE: Due to rising costs partly by unsteady pricing in purchased goods and supply chain issues, this quote is good for 30 days. Prices are subject to change, please contact us to confirm prior to issuing an order.

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