20D-36 BLANCHARD ROTARY SURFACE GRINDER
S/N 13510 Year: 1971
STANDARD CATALOG SPECIFICATIONS
Swing clearance is 38" diameter inside the water guards. Vertical height (range) is 28" between the top surface of the 36" dia. chuck and the grinding surface of a new grinding wheel in its raised position.
POWER REQUIREMENTS FOR COMPLETE MACHINE
30 H.P. wheel motor: 55 Kva
Blanchard magnetic chuck, 36" dia. with 5/8" radial spacing between concentric poles. Chuck has a 2" dia. center hole. Chuck uses direct current; voltages 115 or 230 (230 preferred), and required 792 watts supplied by a Neutrofier when ordered. Maximum weight of workload is 3,000 pounds.
Cylinder wheel holder for 20" x 5" x 16 1/2" cylinder wheel; or 20" Courtland type segment chuck (when ordered) which holds four CD 18L segments.
720 R.P.M. (at 60 cps)
750 R.P.M. (at 50 cps)
6, 9, 12, 18, 25, and 33 R.P.M.; driven (at 60 cps) by a 2 H.P., 12000 R.P.M. motor.
20 lb. ft., 900 R.P.M. (at 60 cps) torque motors for table traverse and for raising and lowering the wheel head.
Vertical down feed of the wheel is either by hand or by power. The power feed is variable between 0.004 and 0.080" per minute. An accurate, automatic down feed stop is provided. Maximum down feed to the stop is provided. Maximum down feed to the stop is 0.098", 0.298" is available on special order. The wheel head can be rapidly raised and lowered by power.
"Dry" base capacity of 20 36 and 20K 36 models is 125 gallons.
Blanchard 36" dia. one piece steel, magnetic chuck; water guards; 20" cylinder wheel holder; jog push button for table rotation; work light over table; quick acting coolant valves and wash hose; outside chuck ring; wheel dresser unit built into head. A 30 H.P. wheel motor built into head; a 2 H.P. chuck rotation motor; two 20 lb. ft. torque motors, one for table traverse and one for raising and lowering the wheel head. Reduced voltage push button controls. Steel control panel cabinet at rear of machine containing reduced voltage starters for wheel motor (Star connected for starting and plugging, Delta connected for running), line starters for small motors, thermal overload protection for all motors ammeter wired into wheel motor circuit; pilot lamp for
chuck. Hardened steel base ways with automatic lubrication.
Operators manual is included.
FLOOR SPACE AND HEIGHT
20 36 Length 11 feet 5 in., width 5 ft. 7 in., including control cabinet; minimum height 7 feet 11 inc., maximum height
(12" vertical range) 8 ft. 4 in. Height of chuck surface from the floor is 36 in. Weight 12,500 lbs.
EQUIPMENT & FEATURES
36" Magnetic chuck.
20" Segmented grinding wheel.
28" Vertical travel.
Manual pull Trabon lube system.
Specifications are deemed accurate, however, subject to verification or prior sale.