276 HEALD 72" EXTENDED BRIDGE INTERNAL GRINDER S/N G3382 Year: 1971 STANDARD CATALOG SPECIFICATIONS CAPACITIES Swing inside guards........................... 20" dia. 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) Work head 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 hand wheel............. .050",.060" on dia. Wheel wear compensation....................... Manual 0 to .004" Power cross feed.............................. .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. 9” Magnetic chuck. Single point diamond dresser. Face stop. 12” 3-Jaw chuck. 2-Axis Sony DRO. Specifications are deemed accurate, however, subject to verification or prior sale. All exchange units/returns must be shipped within 30 days. All exchange units/returns must be shipped using DDP terms - Grinders Clearing House, Inc. dba GCH Machinery, is not responsible for any customs formalities or shipping costs. If Grinders Clearing House, Inc. dba GCH Machinery does not receive exchange/core unit back within 30 days, GCH will invoice FULL replacement cost (OUTRIGHT Cost) to customer.