HEALD #275-276 48558

276 HEALD EXTENDED BRIDGE INTERNAL GRINDER

STANDARD CATALOG SPECIFICATIONS

CAPACITIES
Swing over swivel plate....................... 16 dia.
Hole length................................... 12 max.
Hole diameter(Maximum)....................... 8 1/2, 5 1/2
Hole diameter(Minimum)....................... 1/8
Taper (included angle) ‑ Bridge swivel........ 30 degrees
..............................................17 degrees
Taper (included angle) ‑ Workhead swivel..... 60 degrees
Center of work head spindle from floor........ 48
Work head spindle flange...................... 9 5/8
Table travel.................................. 30 1/4
Wheel head cross slide swivel to rear......... 4 degrees

SPEEDS FEEDS
Table speed, rapid traverse................... 30 FPM
Table speed,grinding......................... 0 ‑ 20 FPM
Work head speeds.............................. 400/266/200/133
One turn of cross feed handwheel............. .050,.060 on dia.
Wheel wear compensation.......................Manual 0 to .004
Power crossfeed.............................. .038 .042 on dia.
Roughing cross feed(adjustable).............. .0001 to .0005
Finishing cross feed (non‑adjustable)..........0001 on dia.
One turn of table hand wheel...................963
DRIVE
Hydraulic pump motor..................... 2 HP ‑ 1800 RPM
Work head motor.......................... 1 1/2‑1‑3/4‑1/4 HP
.........................................1800, 1200, 900, 600 RPM
Wheel head motor......................... 5 HP ‑ 3600 RPM
Coolant pump motor....................... 1/2 HP ‑ 1800 RPM

GENERAL DATA
Capacity of oil tank..................... 15 gallons
Capacity of coolant tank................. 55 gallons
Length width of base on floor.......... 117 x 36 x 140 x 36
Weight of machine (net,approx.)......... 11,000 lbs.

EQUIPMENT FEATURES
Red Head grinding spindle.
3 Roller steady rest.
Single point diamond dresser.
Coolant pump tank.
4 Speed work head.

Specifications are deemed accurate, however, subject to verification or prior sale.