Blanchard 11-20

Manufacturer Blanchard
Model 11-20
Year 1993
Country USA USA
Condition Good
Main category Metalworking Machinery
Subcategory Surface Grinder
ID P81114038

Year of Manufacture
Nov 1963’ / Rebuilt by HOFFHACKER Approx 1993’
Table diameter 20”
Maximum swing inside splash guards 20-1/2”
Maximum work height under grinding wheel 11"
(4) Geared table speeds 15, 24, 41, 64 R.P.M.
Wheel speed 1,200 R.P.M.
Wheel diameter 12"
Power downfeed range of grinding wheelhead variable from .10 mm – 1.20 mm
Maximum unbalanced work load on table 500 Lbs.
Approximate remaining chuck life 7/16”
Head Tilting -55 – 0 Degrees / 0- +25 Degrees

Tilting Wheel Head for Parabolic Grinding
Wet Base design
Extended Column
20" Diameter electromagnetic chuck with NEUTROFIER II control
Motorized power rapid traverse to grinding wheelhead (vertical downfeed of wheelhead by hand or power)
Diamond grinding wheel
BIJUR lubrication system
Self-contained coolant system with machine splash guards
“MISTBUSTER” Varispeed
(2) Extra Diamond grinding wheels
(3) Leveling pads
(2) Wrenches
¼ H.P. 3/60/230 Volt coolant motor
1/2 H.P. 3/60/230 volt wheelhead rapid traverse motor
1 H.P. 3/60/230 volt table drive motor
15 H.P. 3/60/230 volt spindle drive motor with electrical controls and load meter
Machine is wired for 230 volt operation.

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