Equipment
Grinders and EDM (Electrical Discharge Machines)
GRINDER INTERNAL
BRYANT MODEL LL3-50 LECTRALINE CNC INTERNAL GRINDER
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BRYANT MODEL LL3-50 LECTRALINE CNC INTERNAL GRINDER

GRINDER INTERNAL
Manufacturer:
BRYANT
Model:
LL3-50
Year:
1985
Stock #:
5022
BRYANT MODEL LL3-50 LECTRALINE CNC INTERNAL GRINDER

Maximum swing diameter 28"
Maximum swing over table 12"
Maximum length of bore 17"
Minimum bore diameter .040"
Spindle nose 9-5/8" dia. plain
Maximum axial "Z" slide table travel and power grind stroke 20"
Maximum cross "X" slide table travel and power feed 10"
Workhead adjustment (manual), axial 19.5"
Angular adjustment of workhead 90 degrees
Wheelhead angular adjustment 5 degrees
Work speed (programmable) 100 to 1000 RPM
Axial "Z" slide and cross "X" slide rapid traverse & feed rates 0
to 10" per second
Overall dimensions (grinder only) 103" L-R x 65" F-B x 67" H
Approximate weight (grinder only) 12,500 lbs.

MOTOR SPECIFICATIONS

2 HP AC 1200 RPM Hydrostatic motor
4-1/2 HP AC Work drive motor
Electrical controls
Electrical panel currently wire for 3/50/415 volts, motors are 50/60
cycle compatible
High frequency power supply

Bryant teachable II CNC controls
Control resolution .000010"
Maximum feedrate 600 IPM
Alpha numeric display
MDI keyboard
Card reader
Freestanding operator control panel
Single point diamond dresser, front spindle
Rotary diamond crush dresser, rear spindle
Cartridge type spindle bracket for plug in wheel spindles
High frequency wheel spindles shipped with machines
(2) H-1024-1 10,800 - 21,600 RPM
(3) H-1084 60,000 - 80,000 RPM
Mist lubrication
Microcentric 3-jaw chuck
Splash guards
Electric foot switch
NOTE This machine was just released from a technical development research
laboratory of
International Aerospace Co. The machine was used for less than 200 hours of
actual run time on
prototype applications. This is truly an example of the story of the little
old lady on Sundays. A very
rare find and a unique opportunity to purchase a like new machine at a fract
ion of the cost.
Replacement cost is approximately $500,000.00.

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