Arter A-12 Rotary Magnet Surface Grinder – Rebuilt

Chuck Nominal Diameter 12”
Chuck Face Diameter 13”
Chuck Pilot Hole .7500
Swing in Coolant Pan 16”
Standard Size Grinding Wheel 14” x 1” x 8”
Wheel Minimum and Maximum Diameter 10 ½”-14
Distance Top of Chuck to Center of Grinding Wheel- Maximum 16”
Distance Top of Chuck to Center of Grinding Wheel- Minimum 4 ¾”
Maximum Angle Convex 8°
Maximum Angle Concave 12°
Special Adaptor for Maximum Convex 15°
Wheelhead or Table Travel 11”
SPEEDS AND FEEDS
Chuck Unlimited Between-RPM 75-300
Wheel Speed in RPM’s 1610
Wheelhead Speeds Unlimited 0-5.6 fpm
Table Speeds Unlimited Between – –
One Turn on Feed HandWheel is Equivalent .100
Each Graduation. Of Feed Dial is Equivalent .001
Power Feed Adjustment Each Revolution – –
Each Ratchet Tooth Equals .0002
DRIVE
Main Drive Motor-60 cycle 5 HP
Hydraulic Drive Motor-Chuck – –
Electric Drive Motor-Chuck 1 ½ HP
Net Weight Machine 3400 lbs. 3400 lbs.
Floor Space Occupied 41” x 64” 41” x 64”
This is a very clean and tight machine.