Heald 271 "TOOLROOM" INTERNAL GRINDING MACHINE
AMERICA North (USA-Canada-Mexico)
HEALD #271 "TOOLROOM" INTERNAL GRINDING MACHINE
NEW: 1956
MAXIMUM SWING OVER TABLE ........... 22"
SWING INSIDE STANDARD CHUCK GUARD .. 16"
ANGULAR ADJUSTMENT OF WORKHEAD ..... 60°
MAXIMUM TABLE TRAVEL ............... 16"
WORKHEAD ANGULAR ADJUSTMENT ........ UP TO 60° INCLUDED ANGLE
WORKHEAD POSITIONING SLIDE TRAVEL .. 6" FRONT, 11- 1/2" REAR
TABLE SPEEDS FOR GRINDING .......... 0 TO 18' FPM
TABLE RAPID TRAVERSE RATE .......... 35' FPM
WOKRHEAD SPEEDS INF. VARIABLE ...... 133 TO 400 RPM
ONE TURN OF CROSS FEED HANDWHEEL ... 0.050" ON DIA.
ROUGHTING CROSS FEED ............... 0.0001" - .0006" ON DIA.
FINISH CROSS FEED, NOT ADJUSTABLE ....... 0.0001" ON DIA.
APPROXIMATE MACHINE WEIGHT ......... 8,200 LBS
APPROX. LENGTH x WIDTH OF BASE ..... 66- 1/2" x 28- 1/2"
APPROX. FLOOR SPACE (w/COOLANT) .... 91" x 87"