Heald 1CF‑91

1CF‑91 HEALD INTERNAL BORE GRINDER
Year: 1965

STANDARD CATALOG SPECIFICATIONS
Maximum outside diameter of work................... 4 1/2"
Minimum outside diameter of work................... 7/8"
Maximum length of work............................. 2"
Maximum swivel of work............................. 12 degrees
Center of wheel spindle from floor................. 40"



SPEEDS & FEEDS
Table travel (total including run‑out)............. 5 3/4"
Wheel wear compensation:...... 0-.004 on dia. (.0001" increments)
Work speeds (std)............. 266, 366, 487, 804, 1105 & 1473 RPM
High force (adjustable)............................ 30 ‑ 300 lbs.

DRIVE & POWER REQUIREMENTS
Backing plate motor........................... 1/2 HP @ 520 RPM
Wheelhead motor for belt drive................ 7 1/2 HP @ 3600 RPM
Hydraulic pump motor.......................... 2 HP @ 1800 RPM
Coolant pump motors (2)....................... 3/4 HP & 1/2 HP

GENERAL DATA
Overall height..................................... 95 1/2"
Length & width of base on floor.................... 68" x 49"
Floor space (without coolant tank)................. 91" x 79"
Floor space (with coolant tank).................... 109" x 79"
Net weight of machine (approximate)................ 10,500#

EQUIPMENT & FEATURES
Single point radius dresser
Push button control panel
Timers
Magnetic work head
Hydrostatic slides
28,000 R.P.M. Red Head spindle