4' x 12", JET RADIAL ARM DRILL, STK#320037, MODEL#J-1230R-4, 460V **NEW**   Our stock number: 7947

4' x 12 , JET RADIAL ARM DRILL, STK#320037, MODEL#J-1230R-4, 460V **NEW**

Model: J-1230R-4
Stock Number: 320037
Motor: 2-1/2 to 5 HP, 460V, 3 Ph
Number of Spindle speeds: 12 (44 - 1500)
Spindle Taper: MT-4
Max Distance Spindle to Table ( in.): 37-1/2
T-Slots Number and Size (in.): 3 & 3/4
Column Diameter (in.): 11-13/16
Drilling Capacity Cast Iron (in.): 2-5/16
Drilling Capacity Mild Steel (in.): 1-7/8
Tapping Capacity Cast Iron (in.): 1-1/2
Tapping Capacity Mild Steel (in.): 1
Boring Capacity Steel (in.): 3-3/8
Boring Capacity Cast Iron (in.): 4-3/4
Distance Column to Spindle (max/in.): 46
Distance Column to Spindle (min/in.): 13-3/4
Travel of Head Horizontal (in.): 35
Distance Base to Spindle (max/in.): 54
Distance Base to Spindle (min/in.): 19-3/8
Arm Travel Vertical (in.): 35
Quill Travel (in.): 9-7/8
Quill Travel w/ Powerfeed engaged (in.): 9-7/16
Quill Down feed Rates (IPR): 3 (.002, .004, .006)
Elevating Motor: 1 HP
Base Dimensions (in.): 67-3/4 X 28 X 7
Coolant Pump Motor: 1/8 HP
Table Dimensions (in.): 25 x 20-1/2 x 16-15/16
Overall Dimensions: 80 x 39 x 89
Height: 88.5 inch
Width: 39.25 inch
Length: 80 inch
Net Weight: 5070 pound

* The power train gears and spline shaft 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 the 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
* The spindle is built to withstand exceptionally heavy
drilling and boring loads and to insure maximum accuracy
* Push button controls are all reduced to 110V
* Electrical circuits are located in the built-in control
box at the rear of the arm- this keeps the contols dust and
humidity free while making them easily accessible for
* Entire frame is made of Meehanite and high tensile
strength cast iron to handle the heaviest of jobs
* Arm raising safety device prevents arm from dropping
* Counter balanced mechanism for spindle return
* 12 speeds/3 feed rates make exotic materials easier to
drill, bore and tap
* Centralized control center
* Automatic tool ejector
* Independent manual arm clamping system, which locks and
unlocks the head and column

* Built in work light
* Coolant pump
* Tool kit
* Box table


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