Heald 273A

Listing description

SPECIFICATIONS:
Maximum Swing Over Table Extension....................................24-1/2"
(Workhead parallel to table without chuck guard,
permits no workslide travel, and limits table travel)
Swing w/Workhead Swiveled +/-90 Degrees...................................16"
Swing Inside Standard Chuck Guard.........................................20"
Angular Adjustment of Workhead.....................................90 Degrees
Workhead Positioning Slide Travel.....................................17-1/2"
Table Travel - Maximum....................................................20"
Grinding Stroke - Maximum.................................................16"
Wheelhead Cross Slide Travel...........................................1-1/2"
Center of Workhead Spindle to Floor Distance.....................0 - 29-1/16"
(Workhead Flange to Edge Wheelslide)
Table Speeds for Grinding .........................................0 - 18 FPM
Workhead Speeds - Reversible & Variable...........................0 - 500 RPM
Rapid Traverse of Table................................................18 FPM
One Turn of Cross Feed Handwheel...........................0.050" on Diameter
Cross Feed Increments...........................0.0001" - 0.0005" on Diameter
(One or Both Ends of Table Stroke)
Stroke - Minimum.......................................................0.125"
One Turn of Workslide Handwheel........................................0.100"
One Turn of Table Handwheel............................................3-3/4"
Wheelhead Motor..........................................................5 HP
Electrics...............................................480V / 3 Phase / 60Hz
Approximate Dimensions...........................96"(L-R) x 64"(F-B) x 75"(H)
Approximate Weight.................................................7,500 Lbs.
EQUIPPED WITH:
38,000 RPM Heald "Red-Head" ID Spindle
Hydrostatic table ways
Feed box combines automatic & manual control for coarse and fine feed
Guarding and chute for coolant
Digital timer
Telemecanique (Squared) Altivar 16 Variable Frequency Drive (Workhead)
Swing down single point dresser
Coolant system
*Preliminary specifications subject to verification

This equipment is located in US