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Copyright © 2020 Quality Machine Tools, LLCPM-1440GT v9 2020-10
Dimensions, approximate overall, incl. stand
Width 70 in. x Height 47 in. x Depth 29 in. (full range cross-
slide motion)
Footprint: 68 in. wide x 16-1/2 in. deep
Bed length, excluding headstock: 51 in.
Spindle centerline to oor: 43 in.
Weight, approximate:1750 lb net
Power requirement 220 Vac, 60 Hz, 1Ø, 13A max (option: 220 Vac, 3Ø, 9A max)
Motor TEFC type, 1725 rpm, optional 2 HP 1Ø or 3 HP, 3Ø
Work envelope
Headstock center to tailstock center 40 in. max
Swing over bed 14 in. diameter
Swing over cross-slide 8-3/4 in. diameter
Swing over gap 20-3/4 in. diameter
Gap insert length 7-3/4 in.
Spindle face to tailstock quill face 44 in. max
Saddle travel 36-1/4 in.
Cross-slide travel 6-1/2 in.
Compound (top slide) travel 3-1/2 in.
Drive system
Belt drive with 12-speed gearbox)
Low range, rpm 50, 70, 95, 140
Mid range 180, 250, 340, 510
High range, rpm 700, 980, 1350, 2000
Carriage drive, thread cutting Leadscrew 8 tpi
Inch threads Choice of 36, from 3 to 56 TPI
Metric threads Choice of 34, from 0.4 mm to 7.2 mm pitch
Saddle drive, turning operations Choice of feed rates from 0.0026 to 0.0368 in./spindle rev
Cross-slide drive, facing operations Choice of feed rates from 0.0013 to 0.0184 in./spindle rev
Spindle
Chuck/faceplate attachment D1-5 Camlock
Internal taper MT5-1/2
Spindle bore 2 in. diameter
Spindle length, LH end to chuck mounting face 15-1/2 in. overall
Spindle length, LH end to chuck face (typical) 19-1/2 in. approx.
Tailstock
Internal taper MT3
Quill travel 4 in.
Work holding (typical)
3-jaw chuck, 8 in.
4-jaw chuck, 8 in.
Faceplate
Center rest (steady rest) capacity Up to 3 in. diameter
Follower rest capacity Up to 1 in. diameter
PM-1440GT SPECIFICATIONS
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