Used 1952 HEALD 180 | GRINDERS, INTERNAL

       #180 HEALD SIZEMATIC CENTERLESS INTERNAL GRINDER
 
                    S/N 31786    Year: 1955
 
 
STANDARD CATALOG SPECIFICATIONS
Outside diameter of work...................... 3/4" to 4 1/2"
With special rolls & guides, etc.............. 1/2" dia. min.
Maximum length of hole that can be ground..... 2 1/2"
Maximum diameter of hole that can be ground... 1/8"
Center of wheel spindle from floor............ 40"
Regulating roll (standard).................... 8"
Can be ground down to 7"
 
SPEEDS & FEEDS
Table speed (grinding) unlimited between...... 0 ? 20 FPM
Table speed (rapid traverse).................. 35 FPM
Table travel (total including run?out)........ 7"
One turn of cross feed handwheel.............. .060" on dia.
Each graduation of feed dial.................. .001" on dia.
Wheel wear compensation....................... 0 to .004" on dia.
Can be ground down to 7"
 
DRIVE & POWER REQUIREMENTS
Wheelhead motor (for belt drive).............. 5 HP, 3600 RPM
Regulating roll gear motor 60 cycle AC........ 1/2 HP, 155 RPM
Independent machine hyd. pump motor........... 3/4 HP, 1800 RPM
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
GENERAL DATA
Length & width of base on floor............... 45 1/2" x 23 1/4"
Floor space................................... 64" x 76"
 
EQUIPMENT & FEATURES
Sizematic feedbox
Automatic dresser
Hydraulic tray pak unit without lubrication system
Table reversal dogs
Timers
 
Specifications are deemed accurate, however, subject to verification or prior sale.