Republic Lagun Machine Tool Co.

American Turnmaster Engine Lathes

The American Turnmaster engine lathes series by Republic Lagun Machine Tool Co. is a reliable manual lathe with an innovative tri v-way design. These lathes range from 13” to 21” swings with a distance between center from 40” to 120” and up to 12.5 Hp.

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Specifications

Imperial Metric
Capacity
Swing Over Bed13.46" to 21.33"342 mm to 542 mm
Swing Over Cross Slide8.07" to 14.96"205 mm to 380 mm
Distance Between Centers29.92" to 118.11"760 mm to 3,000 mm
Swing in Gap20.15" to 31.10"512 mm to 790 mm
Gap Width from Spindle Nose5.90" or 9.84"150 mm or 250 mm
Headstock
Spindle Nose, Cam-lockD1-4 or D1-8D1-4 or D1-8
Spindle Bore1.57 or 3.15"40 mm or 80 mm
Spindle Speeds8 steps or 16 Steps
Optional EVS
8 steps or 16 Steps
Optional EVS
Spindle Speed Range
Optional EVS
20 RPM to 2,000 RPM
20 RPM to 2,200 RPM w/ EVS
36 RPM to 1,800 RPM
20 RPM to 2,200 RPM w/ EVS
Carriage
Length on Bed17.32" or 21.37"440 mm or 543 mm
Width of Bridge15.11" or 21.33"384 mm or 542 mm
Cross Slide Travel7.08" or 10.71"180 mm or 272 mm
Top Slide Travel3.93" or 5.39"100 mm or 137 mm
Bed
Number of V Ways33
Bed WIdth9.05" or 13.58" 230 mm or 345 mm
Feeds & Threads
Range of Threads2 TPI to 72 TPI0.2 mm to 14 mm
Number of Threads45 kinds39 kinds
Longitudinal Feed0.0015" to 0.0669"0.05 mm to 1.7 mm
Cross Feeds0.0007" to 0.0334"0.02 mm to 0.85 mm
Tailstock
Quill Diameter1.96" or 2.99"50 mm or 76 mm
Quill Travel4.40" or 6.49"112 mm or 165 mm
Quill CenterM.T.3 or M.T.5M.T.3 or M.T.5
Motor
Main Motor
(standard)
up to 12.5 Hpup to 9.32 kW
Coolant Pump0.125 Hp0.093 kW
Measurement
Length Packed78.74" to 182.04"2,000 mm to 4624 mm
Width Packed37.99" or 44.09"965 mm or 1,120 mm
Height packed74.80"1900 mm
Weight
Gross Weight1,874 lb to 9,260 lb1,000 kg to 4,200 kg

American Turnmaster 1460

Capacity
Swing over bed
14 3/16"
360 mm
Swing over cross slide
8 3/8"
214 mm
Distance between centers
60"
1500 mm
Headstock
Spindle nose, cam-lock
D1-6
D1-6
Spindle bore (max. bar dia.)
2 1/16"
52.5 mm
Spindle speeds (hi-lo)
16 steps
16 steps
Spindle speed range
40-2000 rpm
40-2000 rpm
Low Range
40-60-100-165-245-375-625-1000
40-60-100-165-245-375-625-1000
High Range
80-120-200-330-490-750-1250-2000
80-120-200-330-490-750-1250-2000
Carriage
Length on bed
20"
513 mm
Width of bridge
16 1/15"
412 mm
Cross Slide Travel
8 11/16"
220 mm
Top Slide Travel
5 1/2"
140 mm
Bed
Number of V ways
2 each "V" Ways (opt. 3 each "V" ways)
2 each "V" Ways (opt. 3 each "V" ways)
Bed width
10 1/4"
260 mm
Swing in gap
21"
533 mm
Tailstock
Quill diameter
2.5"
65 mm
Quill center
M.T.4
M.T.4
Quill Travel
6 1/2"
165 mm
Feeds and threads
Range of whitworth threads & no.()
2-72 T.P.I (45)
2-72 T.P.I (45)
Range of metric threads & No. ()
0.2 - 14(39)
0.2 - 14(39)
Range of D.P. & number ()
8-44(21)
8-44(21)
Range of M.P. & number ()
0.3-3.5(18)
0.3-3.5(18)
Longitudinal feeds
0.002-0.067"
0.05-1.7 mm
Cross feeds
0.001-0.034"
0.025-.85 mm
Motor
Main motor, 2-speed (full hp on first speed, 1/2 hp on second speed)
5 / 2.5 hp
3.73 / 1.87 kW
Coolant Pump
1/8 hp
0.09 kw

American Turnmaster 1550

Capacity
Center height
7 1/2"
190 mm
Swing over bed
15 1/4"
387 mm
Swing over cross slide
9 3/8"
238 mm
Distance between centers
50"
1,250 mm
Headstock
Spindle nose
D1-6
D1-6
Spindle bore (max. bar dia)
2 3/16"
56 mm
Spindle speed
16 steps
16 steps
Spindle speed range
25 -
2,000 rpm
25 -
2,000 rpm
Ranges
25-33-45-60-80-108-140-190-265-350-470-625-840-1120-1500-2000
25-33-45-60-80-108-140-190-265-350-470-625-840-1120-1500-2000
Carriage
Length on bed
19"
484 mm
Width of bridge
17 1/2"
250 mm
Cross slide travel
9 1/4"
235 mm
Top Slide travel
4 3/4"
120 mm
Bed
Number of V ways
3 each "V" ways
3 each "V" ways
Bed width
11"
280 mm
Swing in gap
24"
610 mm
Gap bed length faceplate
7 5/8"
195 mm
Tailstock
Quill diameter
2.8"
71.86 mm
Quill center
M.T.4
M.T.4
Quill Travel
6 1/8"
156 mm
Feeds and threads
Range of whitworth threads & No. ()
2-72 T.P.I(45)
2-72 T.P.I(45)
Range of metric threads & No. ()
0.2-14 (39)
0.2-14 (39)
Range of D.P. & Number ()
8-44(21)
8-44(21)
Range of M.P. & number ()
0.3-3.5(18)
0.3-3.5(18)
Longitudinal feed
0.0015-0.04"
0.04-1.0 mm
Cross feeds
0.00075-0.02"
0.02-0.5 mm
Motor
Main motor
7.5 hp
5.60 kW
Coolant pump
1/8 hp
0.09 kW

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