#180 HEALD SIZEMATIC CENTERLESS INTERNAL GRINDER
S/N 38801 Year: 1959
STANDARD CATALOG SPECIFICATIONS
Outside diameter of work...................... 1/2" to 1 1/2"
Maximum length of hole that can be ground..... 1 5/8"
Maximum diameter of hole that can be ground... 3/4"
Center of wheel spindle from floor............ 39 1/8"
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
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
Red head grinding spindle
Hi frequency 45,000 to 60,000 R.P.M.
Sizematic feedbox
Automatic dresser
Hydraulic tray pak unit without lubrication system
Table reversal dogs
Roll type workhead
Auto load and unload
Specifications are deemed accurate, however, subject to verification or prior sale.
