American Turnmaster Lathes

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American Turnmaster AT-1340G
13" Swing High Precision Lathe
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- OR - call 773-334-5000 to order this machine

Swing over bed: 13 3/8" [340 mm]
Swing over cross slide: 8-3/8" [210 mm]
Spindle bore: 1 9/16" [40 mm]
Distance between centers: 40" [1,000 mm]
Spindle nose: D1-4
Spindle speeds: 50 to 2570 rpm, 16 steps
Low range: 50-80-135-215-315-505-815-1305 rpm
High range: 100-160-265-425-625-990-1600-2570 rpm
Carriage Length: 15 ½" [400 mm]
Width of bridge: 15.1" [384 mm]
Cross slide travel: 7" [180 mm]
Top slide travel: 4" [230 mm]
Bed width: 9" [230 mm]
Swing in gap: 20" [512 mm]
Gap length from face: 6" [150 mm]
Tailstock
Quill diameter: 2" [50mm]
Quill center: MT3
Quill travel: 4 ½" [112mm]
Feeds and threads
Whitworth threads and (Qty ) 2 - 72 TPI (45)
Range of Metric threads (0.2 - 14 (39)
Range of D.P.: 8 - 44 (21)
Range of M.P.: 0.3 - 3.5 (18)
Longitudinal feed: 0.002 - 0.067" [0.05 - 1.7mm]
Cross feeds: 0.001 - 0.034" [0.025 - 0.85mm]
Motors
Main motor, 2-speed: 5 HP [3.73 kW]
Coolant pump: 1/8 HP [.09 kW]
Measurements: 87 long x 36 wide x 61" high
Gross weight: 2850 Lbs. [1295 kg]

AT-1340G MACHINE FEATURES:

• 16 speed geared headstock
• Hardened and ground gears
• Induction hardened bedways
• Overload feed clutch
• Camlock spindle nose
• Constant horsepower
• 5 HP main motor
• Removable gap
• Apron feed reverse
• Double walled apron
• Foot brake
• Turcite carriage ways
• Rear mounted electricals
• Low voltage controls
• Independent control of longitudinal and cross feeds

MACHINE OPTIONS:

• 440 volts, 3 phase, 60 Hz
• Chuck guard
• 8" (203 mm) 4 Jaw independent chuck
• 6" (152 mm) 3 Jaw universal chuck
• 12" (305 mm) Face plate
• Steady rest, 3 ¾" (95 mm) capacity, with rollers
• Follow rest, 3" (76 mm) capacity, with roller
• 6" (152 mm) Back plate
• 4 way indexing tool holder 5/8" (16 mm) capacity
• Taper attachment, telescopic type
• Micrometer carriage stop
• 5 position bed stop
• Work light
• Quick change KDK type tool post with 5 tool holder, 3/8" (9 mm) capacity
• Aloris Type tool Post with 6 holders 3/8" (9 mm) capacity
• 5C Production type collet closer, up to 1-1/16" (27 mm) capacity
• #3 MT live center
• Bed Turret
• 2 axis digital readout

American Turnmaster AT-1550G (Colchester type) High Speed Precision Geared Head Lathe with clutch headstock 15" swing x 50" centers
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SPECIFICATIONS:
Center height: 71/2" [190 mm]
Swing over bed: 151/4" [387 mm]
Swing over cross slide: 93/8" [238 mm]
Distance between centers: 50"[1250mm]
Headstock Spindle nose: D1-6 Camlock
Spindle bore: 23/16" [56 mm]
Spindle speed range: 25-2,000 RPM
Speeds: 25-33-45-60-80-108-140-190-265-350-470-625-840-1120-1500-2000 rpm
Carriage Length on bed: 19" [484 mm]
Width of bridge: 17½" [250 mm]
Cross slide travel: 9¼" [235 mm]
Top slide travel: 4¾" [120 mm]
Bed width: 11" [280 mm]
Swing in gap: 24" [610 mm]
Length of gap: 7-5/8" [195 mm]
Tailstock:
Quill diameter w/Tang: 2.8" [71.86 mm]
Quill center: M.T. 4
Quill travel: 61/8" [156 mm]
Feeds and threads:
(45) whitworth threads: 2 - 72 T.P.I.
(39) metric threads: 0.2 - 14
Range of D.P.: 8 - 44 (21)
Range of M.P.: 0.3 - 3.5 (18)
Longitudinal feeds:
0.0015-0.04" [0.04-1.0mm]
Cross feeds
0.00075-0.02" [0.02-0.5 mm]
Motors:
Main motor: 7.5 hp 5.60 kW
Coolant pump: 1/8 hp 0.09 kW
Measurements:
Length packed: 102" [2,580 mm]
Width packed: 43" [1,100 mm]
Height packed: 60" [1,540 mm]
Weight 3,740 lbs. [1,700 kg]

AT-1550G MACHINE FEATURES:

• Disc clutch forward/reverse
• Meehanite castings
• 16 speed geared headstock
• Hardened and Reishauer ground gears
• Induction hardened bedways
• Large 2-3/16" spindle bore
• Camlock spindle nose
• Constant horsepower
• 7.5 HP main motor
• Removable gap for increased swing
• Apron control of feed and speed forward/reverse
• Foot brake
• Turcite carriage ways
• Rear mounted electricals
• Low voltage controls
• High pressure lubrication to headstock, 1-shot system to carriage, X slide & C.F. screw.
• Automatic feed overload "kick out"
• High precision 3 bearing spindle(Taper roller)
• Inch/Metric Universal Gearbox, totally enclosed.

OPTIONAL ACCESSORIES:

• 8" (203 mm) direct mount 3 jaw chuck
• 10" (254 mm) direct mount 3 jaw chuck
• 10" (254 mm) direct mount 4 jaw chuck
• 12" (305 mm) direct mount 4 jaw chuck
• Chuck safety shield
• 14" (355 mm) face plate
• Follow rest
• Steady rest, 6" cap, rollers
• Rear mounted tool post
• Taper attachment
• Micrometer bed stop
• 5 position bed stop
• 4 way indexing tool holder
• KDK Quick change tool post & holders
• Aloris Q.C. tool post & holders
• Live center, MT #4
• 5C collet production type closer, 1/16" (27 mm) capacity
• 2 axis Digital readout system
• Tool Post Grinders
• Halogen work light
• Drill chuck with arbor
• Manual index bed turret

American Turnmaster Model AT-18-G (Colchester type) 18" High Speed Precision Lathe with clutch headstock
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SPECIFICATIONS:
Center Distances to choose from:
40" (1,000 mm)
60" (1,500 mm)
80" (2,000 mm)
120" (3,000 mm)
Max Swing diameter over bed: 18" (460mm)
Max Swing diameter over cross slide: 11" (280mm)
Headstock Spindle nose: D1-8 Camlock
Spindle bore: 3-1/8" (80 mm)
Spindle speed range: 20 ~ 1,600 rpm, 16 steps
Constant Torque
Speeds: 20-25-35-50-65-85-115-150-210-280-380-500-670-900-1200-1600 rpm (variable speed is option)
Carriage Length on bed: 21" (537 mm)
Width of bridge: 21-3/8" (542 mm)
Cross slide travel: 11" (280 mm)
Top slide travel: 5-3/8" (137 mm)
Bed width: 13-1/2" (345 mm)
Swing in gap: 28" (710 mm)
Gap width at faceplate: 8" (200mm)
Tailstock Quill diameter: 4" (102 mm) with Tang
Tailstock Quill center M.T. 5
Tailstock Quill travel: 7" (178 mm)
Feeds and threads:
(45) Whitworth threads: 2 - 72 T.P.I.
(39) Metric threads: 0.2 - 14
Range of D.P.: 8-44 (21)
Range of M.P.: 0.3-3.5 (18)
Longitudinal feeds: 0.0015-0.04" (0.04-1.0 mm)
Cross feeds: 0.00075-0.02" (0.02-0.5 mm)
Motors:
Main motor: 10 hp (7.46 kW)
Coolant pump: 1/8 hp (0.09 kW)
Measurements(approximate):
Width: 44" (1,120 mm)
Height: 66" (1,670 mm)
Length:
40": 98" (2,489 mm); 60": 118" (3,000 mm)
80" : 138" (3,510 mm); 120": 178" (4,520 mm)
Weight:
40": 5,060 lbs (2,295 kg); 60": 5,940 lbs (2,700 kg)
80": 6,820 lbs (3,100 kg); 120": 8580 lbs (3,900 kg)

AT-18G MACHINE FEATURES:

• Disc clutch forward/reverse
• Meehanite Castings
• 16 speed geared headstock
• Hardened (Reishauer) ground gears
• Induction hardened bedways
• Large 3-1/16" spindle bore
• Camlock spindle nose
• Constant 10 horsepower main motor
• Removable gap for increased swing
• Apron lead screw/feed rod reverse
• Foot brake
• Turcite carriage ways
• Rear mounted electricals
• Low voltage controls
• High pressure lubrication to headstock, 1-shot system to carriage, X slide & C.F. screw
• Double independent control of longitudinal and cross feeds.
• High precision 3-bearing spindle(Tape roller bearings)
• Inch/metric
• Universal gearbox, totallly enclosed.

MACHINE OPTIONS:

• Direct mount 3 jaw chuck
• 4 jaw chuck
• Faceplate
• Follow rest
• Steady rest
• Back plate (dog plate)
• Rear mounted tool post
• Taper attachment
• Micrometer bed stop
• 5 position bed stop
• KDK, Quick change tool post & holders
• Aloris QC tool post & holders (CA)
• Live center, MT #5
• 5C collet closer, lever
• Digital Readout, 2 axis
• Tool Post Grinders
• Halogen work light
• Chuck safety shield
• Drill chuck with arbor
• Manual index bed turret
• A Built in USA version of this lathe is available with all American made electrics, motors, controls, etc. which conforms to UL, CSA and CE. The American version lathe comes with electronic variable speed 10 HP motor, rpm readout, digital position readout and extra rigid Tri-Vee Bed. It is our best.

American Turnmaster Model AT-21-G (Colchester type) 21" High Speed Lathe with clutch headstock
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SPECIFICATIONS:
Center Distances to choose from:
40" (1,000 mm)
60" (1,500 mm)
80" (2,000 mm)
120" (3,000 mm)
Max Swing dia over bed: 21" (560mm)
Max Swing over cross slide: 14" (356mm)
Headstock Spindle nose D1-8 Camlock
Spindle bore: 3-1/8" (80 mm)
Spindle speed range: 20 ~ 1,600 rpm, 16 steps
Constant Torque
Speeds: 20, 25, 35, 50, 65, 85, 115, 150, 210, 280, 380, 500, 670, 900, 1200, 1600 rpm (variable speed is option)
Carriage Length on bed: 21" (537 mm)
Width of bridge: 21-3/8" (542 mm)
Cross slide travel: 12" (305 mm)
Top slide travel: 5-3/8" (137 mm)
Bed width: 13-1/2" (345 mm)
Max Swing dia in gap: 31" (790 mm)
Gap bed width at faceplate: 8" (200 mm)
Tailstock Quill diameter: 4" (102 mm) with Tang
Quill center M.T. 5
Quill travel: 7" (178 mm)
Feeds and threads:
(45) Whitworth threads: 2 - 72 T.P.I.
(39) Metric threads: 0.2 - 14
Range of D.P.: 8 - 44 (21)
Range of M.P.: 0.3 - 3.5 (18)
Longitudinal feeds: 0.0015-0.04" (0.04-1.0 mm)
Cross feeds: 0.00075-0.02" (0.02-0.5 mm)
Motors:
Main motor: 12.5 hp (9 kW) [EVS 15 HP is optional]
Coolant pump: 1/8 hp (0.09 kW)
Measurements (approximate):
Width: 44" (1,120 mm)
Height:66" (1,670 mm)
Length:
40": 98" (2,489 mm); 60": 118" (3,000 mm)
80" : 138" (3,510 mm); 120": 178" (4,520 mm)
Weight:
40": 5,720 lbs (2,595 kg); 60":6,600 lbs (3,000 kg)
80": 7,480 lbs (3,400 kg); 120": 9,240 lbs (4,200 kg)

AT-21G MACHINE FEATURES:

• Disc clutch forward/reverse
• Meehanite Castings
• 16 speed geared headstock
• Hardened (Reishauer) ground gears
• Induction hardened bedways
• Large 3-1/16" spindle bore
• Camlock spindle nose
• Constant 10 horsepower main motor
• Removable gap for increased swing
• Apron lead screw/feed rod reverse
• Foot brake
• Turcite carriage ways
• Rear mounted electricals
• Low voltage controls
• High pressure lubrication to headstock, 1-shot system to carriage, X slide & C.F. screw
• Double independent control of longitudinal and cross feeds.
• High precision 3-bearing spindle(Tape roller bearings)
• Inch/metric
• Universal gearbox, totallly enclosed.

MACHINE OPTIONS:

• Direct mount 3 jaw chuck
• 4 jaw chuck
• Faceplate
• Follow rest
• Steady rest
• Back plate (dog plate)
• Rear mounted tool post
• Taper attachment
• Micrometer bed stop
• 5 position bed stop
• KDK, Quick change tool post & holders
• Aloris QC tool post & holders (CA)
• Live center, MT #5
• 5C collet closer, lever
• Digital Readout, 2 axis
• Tool Post Grinders
• Halogen work light
• Safety shield
• Drill chuck with arbor
• Manual index bed turret
• A 22" diameter swing Built in USA version of this lathe is available with all American made electrics, motors, controls, etc. which conforms to UL, CSA and CE. The American version lathe comes with electronic variable speed 15 HP motor, rpm readout, digital position readout and extra rigid Tri-Vee Bed. It is our best.

American Turnmaster Power One Lathes
with 35", 40", 45", 50" Swing Diameters

SWING OVER BED:
35" Series: 35" (880 mm)
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40" Series: 39 ¾" (1010 mm)
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45" Series: 44 ¾" (1135 mm)
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50" Series: 50 1/8" (1275 mm)
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Swing over cross slide:
35" Series: 24" (610 mm)
40" Series: 29 1/8" (740 mm)
45" Series: 34 ¼" (870 mm)
50" Series: 39 ¾" (1010 mm)
Swing over gap:
35" Series: 52 ¾" (1340 mm)
40" Series: 57 ¾" (1470 mm)
45" Series: 63" (1600 mm)
50" Series: 68 ½" (1740 mm)
Center distances available: 60” – 480” (1500-12000 mm)
Weight capacity between centers: 17600 lbs (7983 kgs) for 6” bore spindle
Length of gap from headstock: 23 ¾” (600 mm)
Headstock
B6 standard: 6” (153 mm), A2-11, 5~630 RPM
B9 option: 9” (230 mm), A2-15, 4~450 RPM
B12 option: 20” (508 mm), A2-28 Special, 1.5~180 RPM
B20 option: 20” (508 mm), A2-28 Special, 1.5~180 RPM
Spindle speeds: 18 steps
Main motor:
20 hp (14.91 kW) standard.
30 hp (22.37 kW) option 1.
40 hp (29.83 kW) option 2.
Carriage & Apron
Carriage bearing: 32 ¼” (820 mm)
Cross slide travel: 26 3/8” (670 mm)
Compound slide travel: 15 ¾” (400 mm)
Threads & Feed Range of threads (Qty)
½~28 TPI (60), 1~56 mm (60)
M.P. threads curring range and (Qty): 0.25~14 (60)
D.P. threads cutting range and (Qty): 2~112 (60)
Longitudinal feeds: 0.0017~0.0095 IPR. (0.042~2.4 mm) Cross feeds: 0.009~0.048 IPR. (0.021~1.2 mm)
Rapid traverse:
longitudinal: 80 ipm (1000mpm)/cross: 40 ipm (1000mpm)
Diameter of leadscrew 2” (Ø50 mm)
Diameter of quill 4 ½” (Ø 115 mm)
Quill diameter 7 7/8” (Ø 200 mm)
Quill travel 11 ¾” (Ø 300 mm)
Quill speed ratios 1:1 & 4:1
Center MT#6
Bearing surface on ways 19 ¾” (500 mm)
Additional Bed width/lower way 22”/26” (560mm/660mm)
Weights:
35 x 120” centers: 26400 lbs (12000kgs)
40 x 120” centers: 27500 lbs (12500kgs)
45 x 120” centers: 28600 lbs (13000kgs)
50 x 120” centers: 29700 lbs (13400kgs)
Each additional 40” in length adds 2200 lbs (1000kgs)

POWER ONE FEATURES:

• One piece (monolithic) bed, floor type casting
• Three bedway design, with extra way supporting the apron.
• All three ways are hardened and ground
• Forged steel spindle with opposed taper roller bearings
• Dual chucks are optionally available
• Hardened and ground gears and shafts throughout
• Hardened and ground cross slide ways and screw
• Double mechanical disc clutch for forward and reverse
• Electromagnetic spindle brake
• Universal inch / metric gear box, totally enclosed
• 18 speed geared headstock
• Six way rapid traverse and power feed to top slide.
• Thread chasing dial
• Overload safety device on apron
• Dual voltage motor and controls, 20 to 50 HP
• Retractable leadscrew / feedrod support on models over 120" cc

STANDARD EQUIPMENT:

• 6 way rapid traverse
• Top slide with auto geared feed for tapers
• Heavy duty square tool post
• 2-speed tailstock
• Automatic lubrication to ways and screws
• Flood coolant system
• Halogen work light
• Choose from 220 or 380 or 440/480 volt, 3 phase 50 – 60 Hz, Electrics

MACHINE OPTIONS:

• Variable speed headstock
• Optional larger spindle bore
• Larger main motor
• Joy stick controls
• Steady rest
• Face plate
• 3 jaw chuck, universal
• 4 jaw chuck, indirect mount
• 4 jaw chuck, direct mount

American Turnmaster Power Five Lathes
with 45", 50", 60", 70" Swing Diameters

SWING OVER BED:
45" Series: 44 ¾" (1135 mm)
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50" Series: 50 1/8" (1273 mm)
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60" Series: 60 1/8" (1327 mm)
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70" Series: 70 1/2" (1790 mm)
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Swing over cross slide:
45" Series: 32" (810 mm)
50" Series: 37" (950 mm)
60" Series: 47" (1201 mm)
70" Series: 57" (1460 mm)
Swing over gap:
45" Series: 65" (1650 mm)
50" Series: 70" (1790 mm)
60" Series: 80" (2040 mm)
70" Series: 90" (2300 mm)
Center distances available: 60” – 480” (1500-12000 mm)
Weight capacity between centers: 17600 lbs (7983 kgs) for 6” bore spindle
Length of gap from headstock: 23 ¾” (603 mm)
Headstock:
Spindle bore, standard 6.02” (153 mm)
Optional bore: 9" (229 mm), 12" (305 mm), 20" (508 mm)
Spindle nose, standard A2-11
Spindle speeds: 18
Spindle speed range: 7 To 700 RPM (6” / 150 mm bore)
Main drive motor
30 HP (22.47 kW)
Optional 40 HP or 50 HP
Carriage & apron:
Travel, cross slide: 31 ½” (800 mm)
Travel, top slide (power): 15.75” (400 mm)
Threads & Feeds:
Leadscrew diameter: 2” (51 mm)
Inch thread range: M.P. 0.25~14 (60)½ to 28 tpi (60)
Metric thread range: 1 to 56 mm (60)
Modular thread range: 0.5 to 30 mm (52)
Diametral thread range: 1 to 60 DP (60)
Longitudinal feed range:
0.0017 to 0.095 ipr (0.04318 to 2.413 mpr)
Cross feed range:
0.009 to 0.048 ipr (0.2286 to 1.2192 mpr)
Rapids, longitudinal: 80 ipm (2032 mpm)
Rapids, cross: 40 ipm (1016 mpm)
Tailstock:
Tailstock quill diameter: 5 ¾” (146 mm)
Quill traverse (two speed): 7.87” (200 mm)
Tailstock center taper: No. 6 MT
Quill speed ratios: 1:1 & 4:1
Bed width: 28” / 32” (711 mm / 812 mm)
Typical Machine weight: 40,000 lbs (18182 kg)
Workpiece capacity, between centers, unsupported: 17,600 lbs. (8000 kg)
Workpiece capacity, between centers with one Steady Rest: 22,000 lbs. (10,000 kg.)

POWER FIVE FEATURES:

•One piece (monolithic) bed, floor type casting
• Three bedway design, with extra way on front face of base supporting the apron.
• All three ways are hardened and ground
• Forged steel spindle with opposed taper roller bearings
• Dual chucks are optionally available
• Hardened and ground gears and shafts throughout
• Hardened and ground cross slide ways and screw
• Electromagnetic spindle brake
• Universal inch / metric gear box, totally enclosed
• 18 speed geared headstock
• Six way rapid traverse and power feed to top slide
• Thread chasing dial
• Overload safety device on apron
• Dual voltage motor and controls, 30 HP

Standard Equipment:

• 6 way rapid traverse
• Top slide with auto geared feed for tapers
• Heavy duty square tool post
• 2-speed tailstock
• Automatic lubrication to ways and screws
• Flood coolant system
• Halogen work light
• Choose from 220 or 380 or 440/480 volt, 3 phase 50 – 60 Hz, Electrics

Options Available:

• Variable speed headstock
• Optional larger spindle bore
• Larger main motor
• Joy stick controls
• Steady rest
• Face plate
• 3 jaw chuck, universal
• 4 jaw chuck, indirect mount
• 4 jaw chuck, direct mount

American Turnmaster Power Six Lathes
with 50", 60", 70", 80" Swing Diameters

SWING OVER BED:
50" Series: 50" (1275 mm)
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60" Series: 60" (1527 mm)
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70" Series: 70" (1790 mm)
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80" Series: 80" (2040 mm)
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Swing over cross slide:
50 " Series: 35" (885 mm)
60" Series: 45" (1137 mm)
70" Series: 55" (1400 mm)
80" Series: 65" (1650 mm)
Swing over gap:
50" Series: 65" (1650 mm)
60" Series: 70 ½” (1793 mm)
70" Series: 80 ¼” (2040 mm)
80" Series: 90 ½” (2300 mm)

Center distances available: 60” – 480” (1500-12000 mm)
Width of bed with auxiliary lateral guide 45.7” (1160 mm)
Headstock Spindle bore, standard: 6.02” (153 mm)
Spindle nose, standard: A2-11
INFINITELY VARIABLE SPEEDS
Spindle speed range: 16 To 700 RPM
Number of Auto Shift Speed Ranges: 4
Range 1 speeds: 16 ~ 120 RPM
Range 2 speeds: 30 ~ 200 RPM
Range 3 speeds 70 ~ 420 RPM
Range 4 speeds 150 ~ 700 RPM
Main drive motor 50 HP EVS
Options (extra cost) 60 HP EVS
Carriage & Apron:
Travel, cross slide 43” (1100 mm)
Travel, top slide (power) 17.7” (450 mm)
Threads & Feeds:
Inch thread range (60) ½ To 28 TPI
Metric thread range (60) 1 ~ 56 mm
Modular thread range (60) 0.25 To 14 MP
Diametral thread range (60) 0.2 ~ 112 DP
Longitudinal feed range:
0.0018 ~ 0.099 IPR (0.045 ~ 2.55 mm)
Cross feed range:
0.009 to 0.048 ipr (0.2286 to 1.2192 mpr)
Rapids, longitudinal 0.009 ~ 0.050 IPR (0.023 ~ 1.28 mm) Rapids, cross: 40 IPM (1000 mm/min)
Tailstock:
Hydraulic Movement of Body and Quill
Diameter of Quill 9.25” (235 mm)
Quill traverse (two speed)
Taper of center (built-in live) No. 6 MT
Quill travel (power) 7.87” (200 mm)
Control Station 1:1 & 4:1
Weights:
Capacity & Physical Workpiece weight capacity:
Between centers: 30,000 lbs (13,608 Kg)
Between centers, with one steady rest:
35,000 lbs (15,876 Kg)
Between centers, with two steady rests:
40,000 lbs (18,145 Kg)
In-chuck x 10” (250 mm): 18,000 lbs (816 Kg)
Machine Net Weight:
Power Six with 80” (2000mm) centers
50" series: 36,740 lbs (16,700 Kg)
60" series: 38,940 lbs (17,700 Kg)
70" series: 41,140 lbs (18,700 Kg)
80" series: 43,340 lbs (19,700 Kg)

POWER SIX FEATURES:

• 4-Shear Bed: Outstanding Features
• Massive one-piece floor type bed/base casting (no pedestals) for outstanding rigidity and vibration absorption.
• All castings are special high-strength gray cast iron produced by the Meehanite process. All ways are hardened and ground.
• 4-shear bed with two V and flat ways front and rear and dual flat ways in the center. A fifth lateral way is cast integral on the front face of the base for carriage support under heavy cutting.
• Forged alloy steel spindle with opposed taper roller bearings at front and rear. A2-11 nose with 6” bore is standard (Larger bore up to 25” is available as an option).
• Full automatic lubrication throughout.
• Variable spindle speeds in four auto shift torque ranges.
• Massive power tailstock features 9 ¼” diameter quill with built-in rotary (live) center. Movement of tailstock on bedways and quill travel controlled by hydraulics.
• 4-Way Power Rapid Traverse plus geared feed and rapid traverse to top slide.
• Carriage-mounted Pendant Control Station for all functions, for ease of operation.

Standard Equiptment:

• 6” (153 mm) Spindle Bore
• 4-speed auto shift transmission
• Built-in air supply system for auto shift
• Pendant control console on Carriage
• Electric-mechanical Apron stop
• Overload Safety Device
• Automatic Lubrication System
• Flood Coolant System
• Necessary Service Tools
• Operators Manuals
• Test Certificate
• Choose from 220 or 380 or 440/480 volt, 3 phase 50 – 60 Hz, Electrics
• Carriage mounted Pendant Control Station incorporating the following:
Spindle forward – reverse
Spindle jog
Carriage rapid traverse
4-step spindle speed range selection
Electric power auto stop
Spindle start
Emergency stop
Variable speed potentiometer switch Tailstock control incorporating: Hydraulic Quill Travel, forward Hydraulic Quill Travel, reverse Tailstock bed travel, forward Tailstock Bed travel, reverse Emergency stop

Options Available:

• Larger spindle bore
• Larger main motor
• Joy stick controls
• Steady rest
• Face plate
• 3 jaw chuck, universal
• 4 jaw chuck, indirect mount
• 4 jaw chuck, direct mount

SWING OVER BED:
70" Series: 70" (1790 mm)
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80" Series: 80" (2040 mm)
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90" Series: 90" (2290 mm)
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100" Series: 100" (2540 mm)
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Swing over cross slide:
70" Series: 53" (1350 mm)
80" Series: 63" (1590 mm)
90" Series: 73" (1840 mm)
100" Series: 82" (2090 mm)
Swing over gap:
70" Series: 65" (1650 mm)
80" Series: 70 ½” (1793 mm)
90" Series: 80 ¼” (2040 mm)
100" Series: 90 ½” (2300 mm)

Distance between centers to choose from:
47 1/2” (1210 mm) up to 480" (12200 mm)
Bed Width across 4-shears: 40” (1020 mm)
Bed Width including auxiliary lateral guide 54” (1370mm)
Headstock Spindle bore, standard: 9.055” (230 mm)
Larger bore optional.
Spindle nose, standard: A2-15
INFINTE VARIABLE Spindle speeds: 10 to 300 RPM
Number of Auto Shift Speed Ranges 4
Range 1 speeds 10 to 40 RPM
Range 2 speeds 25 to 90 RPM
Range 3 speeds 40 to 150 RPM
Range 4 speeds 80 to 300 RPM
Main drive motor:
50 HP (38kW) with 75 HP (56kW) Inverter
Motor Options (extra cost)
Option1: 75 HP (56kW) with 100 HP (75kW) Inverter
Option2: 100 HP (75kW) with 125 HP (92kW) Inverter
Carriage & Apron
Travel, cross slide: 51.180" (1300mm)
Travel, top slide (power): 19.685" (500mm)
Threads & Feed
Inch thread range: ½ to 28 tpi (60)
Metric thread range: 1 to 56 mm (60)
Modular thread range: 0.25 ~ 14 mp (60)
Diametral thread range: 0.2 ~ 112 DP (60)
Longitudinal feed range: 0.018 ~ 0.1 ipr [.045 ~ 2.55 mpr] Cross feed range: 0.01 ~ 0.05 ipr [0.023 ~ 1.28 mpr]
Rapids, longitudinal: 80 ipm [2000 mpm]
Rapids, cross: 40 ipm [1000 mpm]
Tailstock (Hydraulic Movement of Body and Quill Diameter of Quill: 11" (280mm)
Quill traverse (two speed)
Taper of center (built-in live): No. 6 MT
Quill travel (power): 10" (250mm)
Control Station Pendant Control
Weight Capacity of Physical Workpiece:
Between centers: 35,000 lbs (15,876 kg)
Between centers, with steady rest 40,000 lbs. (18,145 kg)
Between centers, with two steady rests 45,000 lbs. (20,412 kg)
In-chuck x 10” (250 mm) 22,000 lbs (10,000 Kg)
Machine Weight at 80” (2000 mm) centers
70" size x 80" centers: 49,940 lbs (22,700 Kg)
80" size x 80" centers: 53,240 lbs (24,200 Kgs)
90" size x 80" centers: 56,540 lbs (25,700 Kgs)
100" size x 80" centers: 59,840 lbs (27,200 Kgs)

POWER SEVEN FEATURES:

• 4-Shear Bed and Variable Spindle Speeds Outstanding Features
• Massive one-piece floor type bed and base (no pedestals) for maximum rigidity and vibration absorption
• Highest quality Meehanite G-50 castings
• 4-shear bed with dual way center guide plus front lateral way for carriage support under heavy cutting
• Automatic lubrication throughout
• Massive power tailstock with 11” (280 mm) diameter quill and built-in rotary (live) center. Movement of body on bedways and quill travel controlled by hydraulics
• A2-15 American Standard spindle nose with 9” (230 mm) spindle bore is standard
• Variable spindle speeds in four automatic ranges through pneumatic shifting, 10 to 300 RPM
• Hardened and precision ground bed and cross-slide ways
• Hardened and precision ground head stock gears
• 4-way power rapid traverse plus geared feed and rapid traverse to top slide for oblique cutting
• Carriage mounted pendant controls
• Pendant controls for tailstock functions

Standard Equipment:

• 6” (153 mm) Spindle Bore 4-speed auto shift transmission
• Built-in air supply system for auto shift
• Pendant control console on Carriage
• Electric-mechanical Apron stop
• Overload Safety Device Automatic
• Lubrication System Flood Coolant
• System Necessary Service Tools
• Operators Manuals
• Test Certificate
• Choose from 220 or 380 or 440/480 volt, 3 phase 50 – 60 Hz, Electrics
• Carriage mounted Pendant Control Station incorporating the following: Spindle forward – reverse
Spindle jog
Carriage rapid traverse
4-step spindle speed range selection
Electric power auto stop
Spindle start
Emergency stop
Variable speed potentiometer switch
• Tailstock control incorporating: Hydraulic Quill Travel, forward Hydraulic Quill Travel, reverse Tailstock bed travel, forward
Tailstock Bed travel, reverse
Emergency stop.