Kingston Model KR-750S Radial Arm Drill
The power train gears and spline shafts are made of the finest quality, heat treated and ground nickel-chrome steel, giving extra strength and smoothness to high torque loads
The spindle is made of finest case-hardened steel, for extra strength and wear
The spindle is supported by double row taper roller and thrust ball bearings at the nose, with thrust and radial axis bearings at the top
Build to withstand exceptionally heavy drilling and boring loads to ensure maximum accuracy
Arm raising safety device prevents arm from dropping
Counter balanced mechanism for spindle return
6 Speeds/3 Feed rates make exotic materials easier to drill, bore and tap
Centralized control center
Automatic tool ejector
Independent arm electric clamping system, which locks and unlocks the head and column
Push button controls are all reduced to 110VAC
Electrical circuits are located in the build-in control box at the rear of the arm. This keeps the controls dust-and-humidity-free while making them easily accessible for maintenance.
Entire frame is made of Meehanite and high tensile strength cast iron to handle the heaviest of jobs
Build in work light
Coolant pump
Box table
GENERAL SPECIFICATIONS:
MAKE..............................................Kingston
MODEL.............................................KR-750S
SERIAL NUMBER.....................................931679
AGE (YEAR).......... .............................6/1993
COLUMN WIDTH......................................8"
ARM LENGTH........................................30"
DRILLING CAPACITY.................................2" CAST IRON
DRILLING CAPACITY.................................1 3/8" MILD STEEL
SPINDLE SPEEDS....................................88 TO 1500 RPM
SPINDLE TRAVEL....................................8"
SPINDLE TAPER.....................................#4 MT
SPINDLE FEEDS.....................................0.002 TO 0.006
SPINDLE TO COLUMN.................................8" TO 29 1/8" MIN/MAX
SPINDLE TO BASE...................................14" TO 41" MIN/MAX
TRAVEL ON COLUMN..................................21"
TRAVEL ON ARM.....................................25"
MOTOR.............................................2 HP
Floor Space.......................................R-L 65" X F-B 36"
Machine Height....................................85"
Machine Weight....................................2,850 Lbs.
Coolant Pump and Tank.............................Yes
EQUIPPED WITH:
BOX TABLE 16" X 20" X 15" H
SPECIFICATIONS SUBJECT TO VERIFICATION
Note:
Machine will be cleaned, painted and cycled.
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