The ATV-900-SO Ultra Precision Manual Lathe by American Turnmaster is a high accuracy, second operation lathe. With a guaranteed spindle runout of 50 millionths of an inch in controlled environments, this reliable lathe is perfect for jobs requiring meticulous results. This, along with its compact size, makes the ATV-900-SO ideal for labs, classrooms and other small spaces or workshops.
*Note: Interested in similar Ultra Precision Lathes? Please take a look at our ATV-618-TR model or ATV-910-FL lathes. Or browse all manual lathes offered by Lagun Engineering here.
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| Features | AT-618-TR | AT-618-ET | ATV-900-SO | ATV-910-FL | AT-914-HC | ATV-916-TM |
|---|---|---|---|---|---|---|
| Swing over bed ways | 11”(280 mm) | 11”(280 mm) | 9” (229 mm) | 9” (229 mm) | 13” (330 mm) | 9” (229 mm) |
| Swing over carriage | 9”(230 mm) | 9”(230 mm) | — | – | – | 15” (380 mm) |
| Swing over cross slide | 6”(152 mm) | 6”(152 mm) | 3.75” (95 mm) | – | – | – |
| Distance between centers | 18”(457 mm | 18”(457 mm) | — | – | – | – |
| Length of bed | 36”(915 mm) | 36”(915 mm) | 36”(915 mm) | 10”(254 mm) | 14”(355 mm) | 36”(915 mm) |
| Headstock | ||||||
| Spindle nose diameter | 2.18”(55.6 mm) | 2.18”(55.6 mm) | – | – | 2.18”(55.5 mm) | – |
| Spindle speeds, number | Infinitely variable | Infinitely variable | Infinitely variable | Infinitely variable | Infinitely variable | |
| Spindle speed range | 0 – 4,000 RPM | 50 – 4,000 RPM | 0 – 4,000 RPM | 0 – 4,000 RPM | 0 – 4,000 RPM | 0 – 4,000 RPM |
| Spindle nose, ID/OD, 5C | 10° / 4° | 10° / 4° | 10° / 4° | 10° / 4° | 10° / 2.18” / 10 RH (55.5 mm) | 10° / 4° |
| Spindle nose, outside taper | 4° | 4° | – | |||
| Capacity | ||||||
| 5C Round collets | 1.06”(27 mm) | 1.06”(27 mm) | 1.06”(27 mm) | 1.06”(27 mm) | 1.06”(27 mm) | 1.06”(27 mm) |
| 5C Hex collets | .86”(22 mm) | .86”(22 mm) | .87”(22 mm) | .87”(22 mm) | .87”(22 mm) | .86”(22 mm) |
| 5C Square collets | .74”(19 mm | .74”(19 mm | – | .75” (19 mm) | .75” (19 mm) | .74”(19 mm |
| with expanding collets | 3”(76 mm) | 3”(76 mm) | 3”(76 mm) | 3”(76 mm) | 3”(76 mm) | 3”(76 mm) |
| with step chucks | 1.06 to 6”(27 to 152 mm) | 1.06 to 6”(27 to 152 mm) | 1.06(27mm) | 6”(152.4 mm) | 1.06 to 6”(27 to 152 mm) | 1.06 to 6”(27 to 152 mm) |
| with jaw chucks | 6”(150 mm) | 6”(150 mm) | 6”(150 mm) | 5”(127 mm) | – | 6”(150 mm) |
| Travels, Feeds and Threads | ||||||
| Cross slide travel | 6”(152 mm) | 6”(152 mm) | – | – | 4.5”(114 mm) | |
| Compound slide travel | 3” (76 mm) | 3” (76 mm) | – | – | – | 4.25” – 5.5”(108 -140 mm) |
| Quick – action compound slide travel | 0.1”(2.54 mm) | 0.1”(2.54 mm) | – | – | – | |
| Carriage variable feed range | .31” to 7”(8 to 178 mm) | .31” to 7”(8 to 178 mm) | – | – | .25” – 10”(6 – 250 mm) | – |
| Cross slide variable feed range | .18” to 4”(5 to 102 mm) | .18” to 4”(5 to 102 mm) | – | – | 1.03” – 6.25”(9 – 160 mm) | – |
| Leadscrew, pitch x diameter | 8 TPI x 1” (8 TPI x 25.4 mm) | 8 TPI x 1” (8 TPI x 25.4 mm) | – | – | – | – |
| Inch thread range (36) | 11 – 108 TPI | 3.17 to 500 TPI (0.55 – 6.55 mm | – | – | – | – |
| Metric thread range (36) | .01” – .11”(0.275 – 2.7 mm) | – | – | – | – | – |
| Tailstock | ||||||
| Tailstock spindle diameter | 1.35”(35 mm) | 1.35”(35 mm) | – | – | – | 1.35”(35 mm) |
| Spindle taper | No. 2 MT | No. 2 MT | – | – | – | No. 2 MT |
| Spindle travel | 3.75”(95 mm) | 3.75”(95 mm) | – | – | – | 3.75”(95 mm) |
| Electrics | ||||||
| Main drive, EVS, 3/60/220 volt | 3 HP(2.237 Kw) | 3 HP(2.237 Kw) | 3 HP(2.237 Kw) | – | – | 5 HP EVS (3.7 Kw) |
| Coolant pump motor | 0.25 HP(0.19 Kw) | 0.125 HP, 220V, 3 Ph | – | – | .12 HP (0.1 Kw) | .125 HP (0.9 Kw) |
| D.C. feed motor 110 volt | 75 watts | – | – | – | 70 watts | – |
| Weight | ||||||
| Net weight, approximate | 2310 lb (1050 kg) | 2420 / 2640 lb (1100/1200 kg) | 992 /1366 lb (450 /620 kg) | 660 lb(300 kg) | 2200 lb(1000 kg) | 1000 lb (455 kg) |
| Machine Dimensions | 73 x 30 x 67”(1850 x 750 x 1700 mm) | 74 x 34 x 74” (2000 x 850 x 1900 mm) | 74 x 34 x 74” (2000 x 850 x 1900 mm) | 36 x 36 x 55”(900 x 900 x 1400 mm) | 73 x 30 x 67”(1850 x 750 x 1700 mm) | – |
One year or 2,000 hours from date of installation, (single shifting) whichever occurs first. For parts and service contact our support team at
PARTS@LAGUN.COM
or call
800.421.2105
*Applies to domestic sales only.
Lagun Engineering has a wide variety of solutions for numerous industries and businesses. From the small garage machinist to the aerospace, medical and defense industries, Lagun delivers a unmatched quality and precision.
800 Sprucelake Drive
Harbor City, CA 90710
Email: info@lagun.com
Phone: (310) 518-1100
Toll Free: (800) 421-2105
Hablamos Español
Fax: (310) 830-0923
800 Sprucelake Drive
Harbor City, CA 90710
Email: info@lagun.com
Phone: (310) 518-1100
Toll Free: (800) 421-2105
Hablamos Español
Fax: (310) 830-0923
