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BIRMINGHAM
HIGH SPEED PRECISION GAP BED LATHES
acra logo

High Speed Precision Gap Bed Lathe

  BIRMINGHAM FEATURES:

  • 3 HP Main Motor
  • No Change Gear Required
  • 16 Speeds from 45-1,800 RPM
  • D1-4 Spindle with 1-1/2" Bore
  • 40 Kinds of Inch Threads from 4-112 TPI
  • Removable Gap Bed for Large Diameter Work
  • Magnetic Controls and Spindle Foot Brake
  • T-Slotted Compound and Front Pull-Out Chip Tray
  • Main Spindle Hardened & Precision Ground
  • Bed Made of Fine Grain High Tensile Cast Iron
  • Bedways Induction Hardened & Precision Ground
  • All Gears & Shafts Hardened & Precision Ground
  • Main Spindle Supported at 3-Point by Precision Bearings
SPECIFICATIONS
CAPACITIES
Max. swing over bed
14'
Distance between centers
40"
Max. swing over cross slide
8-5.8"
Max. swing in gap
20"
Effective length in gap
6-1/4"
Width of bed
8-1/8"
HEADSTOCK 
Spindle nose (spindle mount)
D1-4
Diameter of spindle thru bore
1-1/2"
Spindle taper (with sleeve)
M.T. #5 (M.T. #3)
Spindle speeds
45-1,800 RPM, 16 steps - 45, 70, 90, 108, 140, 165, 215, 255, 330, 385, 510, 585, 770, 1,170, 1,800 RPM
FEEDS & THREADS 
Longitudinal feeds
0.0012 - 9.9294"/REV.
(40 kinds)
Cross feeds
0.0003 - 0.01"/REV.
(40 kinds)
Inch threads
4 - 112 TPI (40 kinds)
Metric threads
0.45 - 7.5 mm (22 kinds)
Diameter of long. leadscrew
7/8"
Pitch threads of long. leadscrew
8 TPI
CARRIAGE 
Max. travel of cross slide
7"
Max. travel of compound slide
4"
Max. tool size
5/8" x 5/8"
TAILSTOCK 
Diameter of tailstock quill
2-3/4"
Taper of tailstock quill center
M.T. #3
Max. travel of tailstock quill
4-3/4"
MOTORS 
Power of main motor
3 HP, 220V, 3 phase, 2-speed
Power of coolant pump
1/8 HP, 220V, 3 phase
GENERAL 
Overall dimensions (LxWxH)
72"x31"x49"
Net weight (LBS) approx.
2,000
STANDARD EQUIPMENT:
  • Follow Rest
  • 12' Face Plate
  • 3-3/4" Steady Rest
  • 6" 3-jaw Chuck
  • 8" 4-jaw Chuck
  • Operation & Parts manuals
  • Coolant System
  • Halogen Work Light
  • Removable Gap
  • 4-way Tool Post
  • Thread Chasing Dial
  • Front Pull-out Chip Tray
  • Centers & Reducing Sleeve
  • Tool Kit with Tools & leveling Pads
  • Full Length Splash Guard
  • All inch/mm Dual Dials
  • Spindle Job Button Control
OPTIONAL EQUIPMENT
  • 8 Drive Plate
  • Taper Turning Attachment
  • Quick Tool Changer
  • Micro Carriage Stop
  • 5-C Lever Type Collet Closer
  • Digital Readout Installed
  • Rotary Phase Converter

Design and specifications are subject to change without notice.

 

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Johnson's Tooling, Inc.
352 E. Jefferson Street, Butler, PA 16001
724-287-2529 • Fax: 724-287-5659
E-Mail: info@johnsonstooling.com

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