271 HEALD SIZEMATIC BORE & FACE INTERNAL GRINDER

271 HEALD SIZE MATIC BORE FACE INTERNAL GRINDER

S/N 48220

STANDARD CATALOG SPECIFICATIONS
Swing over table diameter (straight work)..............22
Swing inside standard guard............................15 1/2
Maximum length of hole................................. 5
Maximum diameter of hole............................... 5 1/2
Minimum diameter of hole............................... 1/8
Maximum included angle(size-matic only)............... 60 degrees
Center of chuck spindle from floor..................... 43 1/2
Diameter of work head spindle flange................... 9 5/8
Table travel...........................................16
Capacity of oil tank................................... 15 gallons
Capacity of cool ant tank............................... 55 gallons

SPEEDS FEEDS
Tables peed, rapid traverse............................ 35 FPM
Table Speed, grinding..................................0-20 FPM
Work head speeds..........................400, 266, 200, 133 RPM
One turn of cross feed hand wheel..........060 on dia.
Wheel wear compensation on diameter.................... 0 to .004
Maximum power cross feed...................042 on dia.

DRIVE
Work head motor, standard voltages, 60 Cycles a-c, infinite variable speed.
Oil pump motor............................2 HP, 1800 RPM
Wheel head motor..........................5 HP, 3600 RPM
Coolant pump motor........................1/2 HP, 1800 RPM

GENERAL DATA
Floor space with or with out cool ant tank............... 93 x 85
Weight of machine, net, approximate.................... 7,400 lbs.
Gross weight, crated, approximate...................... 8,400 lbs.
Gross weight, boxed, approximate.......................9,500 lbs.

EQUIPMENT FEATURES
Electric single point diamond dresser.
Spark-out timers.
4 Speed work head.
Flange style work head.
Hydraulic cross sliding work head.
Face stop.
Face feed.
Skip dress control.
Push button station.

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