Equipment
Boring Mills, Vertical
BORING MILLS, VERT. (Including Vert. Turret Lathes)
48" Webster & Bennett Vertical Turret Lathe & Boring Mill
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48" Webster & Bennett Vertical Turret Lathe & Boring Mill

BORING MILLS, VERT. (Including Vert. Turret Lathes)
Manufacturer:
WEBSTER & BENNETT
Model:
48M
Year:
1973
Stock #:
12175
WEBSTER & BENNETT 48M Vertical Boring Mill, 1973, 48" chuck, RPM: 100, turret hole diameter 3", spindle bore 3 1/4". Main motor 30 HP with belt guard, 12 speeds, 19,025 lbs. Robust and versatile for precision machining tasks. Equipped with Newall Digital Readouts, 4) Chuck jaws and Main Motor guarding. The Main Cross rail & Turret slide were precision ground and hand scraped with in the last 5 years, at the same time of rebuild the axis screws and adjusting nuts were all replaced. Includes: • 2 axis Newall DP700 Digital Readout • Nitrogen gas turret slide counterbalance • Fully automatic counterbalance • External hydraulic pump • 4 Way rapid traverse • Transformer • New screws and nuts replaced within the last 5 years, as well as the crossrail and turret slide rebuilt
Table Dia48"1,219.2 mm
Swing59"1,498.6 mm
Work Ht-U/R35"889 mm
Power30 hp22.4 kW
RPM1,440 RPM1,440 RPM
Capacity48"1,219.2 mm
DimensionsFront 89in x Side 117in x Height 119inFront 89in x Side 117in x Height 119in
Weight19025 lbs19025 lbs

SPECIFICATIONS:
DIAMETER OF CHUCK.............................................. 48"
ADMITS IN DIAMTER.............................................. 59"
MAXIMUM DIAMETER TURNED FOR TRAVEL OF TURRET SLIDE............. 49"
MAXIMUM DIAMETER TURNED FOR LENGTH OF B2 X TOOLHOLDER.......... 56"
ADMITS IN HEIGHT UNDER TURRET.................................. 35"
ADMITS IN HEIGHT UNDER CROSS-SLIDE............................. 24"
ADMITS IN HEIGHT UNDER CROSS-SLIDE WHEN AUTO TRIP IS FITTED.... 20 1/2"
VERTICAL FEED OF TURRETT....................................... 26"
MAXIMUM LENGTH OF HOLE WHICH CAN BE BORED IS................... 16"
WHEN DIAMETER OF BORE DOES NOT EXCEED..................... 28"
DIAMTER OF SPINDLE BORE........................................ 3 1/4"
HORIZONTAL FEED OF TURRET, CHUCK CENTER OUTWARDS............... 32"
DIAMETER OF TURRET HOLES....................................... 3"
TOTAL HEIGHT REQUIRED.......................................... 119"
FLOOR SPACE REQUIRED- FRONT.................................... 89"
FLOOR SPACE REQUIRED- SIDE..................................... 117"
DISTANCE FROM CHUCK CENTER TO JUNCTION FACE.................... 24 1/2"
DISTANCE, CHUCK CENTER TO FRONT OR CROSS SLIDE................. 17"
NUMBER OF SPEEDS............................................... 12
RANGE OF SPEEDS................................................ 4.5-100
NUMBER OF FEEDS................................................ 12
RANGE OF FEEDS................................................. (.005-.250)
HORSE POWER OF MAIN MOTOR...................................... 30
RECOMMENDED SPEED OF MAIN MOTOR, APPROX. R.P.M................. 1440
HORSE POWER OF RAPID POWER TRAVERSE MOTOR...................... 4
RECOMMENDED SPEED OF RAPID TRAVERSE MOTOR-APPROX. R.P.M........ 570
TOTAL WORKING HEIGHT REQUIRED.................................. 145"
STANDARD TRANSIT HEIGHT........................................ 127"
MINIMUM OVERALL HEIGHT FOR TRANSIT PURPOSES ONLY............... 98"
APPROX. WEIGHT (EXCLUDING ELECTRICAL EQUIPMENT)................ 19,025 LBS

Includes:

• 2 axis Newall DP700 Digital Readout
• 30HP motor with belt guard
• Nitrogen gas turret slide counterbalance
• Fully automatic counterbalance
• External hydraulic pump
• 4 Way rapid traverse
• Transformer
• 2 Toolholders and a Boring bar that is 3"Diam. x 10"Long

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