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Tongtai TMS Series mill/turn machines are available in 4 different models, each available in 3 different configurations with up to 9 total axes. The standard TMS machine has a programmable tailstock. The TMS-S has a sub-spindle in place of the tailstock, and the TMS-ST features both a sub-spindle and a lower turning turret. Maximum turning diameter for the machines is 25.98″ (660 mm) with bed lengths up to 80” (2000mm).

The TMS Series consists of the TMS-2000 (8” chuck, 2.5” bar), TMS-2500 (10” chuck, 3” bar), TMS-3000 (12” chuck, 3” bar), and TMS-3800 (15” chuck, 3.5” bar).

TMS Series machines feature a one piece 75° mono-block slant bed that permits free flow of chips as well as easy access to the spindles and cutting tools. A true linear (perpendicular) Y-axis simplifies programming. Roller-type linear guideways in all axes and large-diameter pre-tensioned ballscrews provide precise position accuracy. Machine chassis are made of Meehanite cast iron for rigidity and vibration dampening.

Both main and sub-spindles feature dual-wound integral motors with electronic high/low gears. Both spindles have a full contouring Cs axis with braking system. Three-piece Hirth couplings rigidly lock the spindles in place in 1˚ increments for heavy milling and high accuracy. Spindle power ranges from 20HP on the TMS-2000 to 40HP on the TMS-3800. Both main and sub-spindles are liquid cooled for thermal stability.

The B-axis milling spindle features a zero-backlash roller gear drive with high-speed rotation of 33.3 RPM and +/- 120˚ of movement from the vertical position. It features a rigid 3-piece coupling to lock the spindle in place for heavy turning and can be indexed in 15° increments. The integral spindle milling motor delivers 15 HP (30 HP Siemens), 97 lbs. per foot of torque and 12,000 RPM. A 40 station (80 optional) arm type tool changer is standard, and an optional 10 station lower turret provides turning capability to each spindle as well as pinch turning ability with the B-axis. The automatic tool changer is available in either HSK-63T or Sandvik Capto C-6 tooling systems.

The standard Fanuc 31iT-B provides two-path control for simultaneous turning operations as well as 4+1 milling ability. The optional 31iT-B5 or Siemens 840D enables 5-axis simultaneous milling.

Item / Model	TMS-2000	TMS-2500	TMS-3000	TMS-3800
	Request a Quote	Request a Quote	Request a Quote	Request a Quote
Capacities
Swing Over Bed / Front Cover	25.98″	25.98″	25.98″	25.98″
Max. Turning Diameter	25.98″	25.98″	25.98″	25.98″
Swing Over Opt. Lower Turret w/ Tool Holder Installed	11.4″	11.4″	11.4″	11.4″
Max. Cross Travel X1-Axis	– 4.92″ + 23.6″	– 4.92″ + 23.6″	– 4.92″ + 23.6″	– 4.92″ + 23.6″
Max. Longitudinal Travel Z1-Axis	39.4″ (59.1″ opt.)	39.4″ (59.1″ opt.)	59.1″	39.4″ (59.1″ opt.)
Max. Off-Center Travel Y-Axis	± 4.92″ (9.84″ total travel)	± 4.92″ (9.84″ total travel)	± 4.92″ (9.84″ total travel)	± 4.92″ (9.84″ total travel)
Max. Sub-spindle Travel W-Axis	39.4″ (59.1 opt.)	39.4″ (59.1″ opt.)	59.1″	59.1″
Opt. Lower Turret Cross Travel X2-Axis	– 0.2″ + 6.7″	– 0.2″ + 6.7″	– 0.2″ + 6.7″	– 0.2″ + 6.7″
Opt. Lower Turret Longitudinal Travel Z2-Axis	39.4″ (59.1″ opt.)	39.4″ (59.1″ opt.)	59.1″	59.1″
Main Spindle
Spindle Motor	20HP Fanuc (40HP Siemens) Integral Motor	30HP Fanuc (40HP Siemens) Integral Motor	30HP Fanuc (40HP Siemens) Integral Motor	40HP Fanuc (60HP Siemens) Integral Motor
Spindle Nose	A2-6	A2-8	A2-8	A2-11
Spindle RPM	5,000 RPMs	3,500 RPMs	3,500 RPMs	3,000 RPMs
Hole through Spindle	2.87″	3.39″	3.39″	4.13″
Bar Capacity	2.52″	2.99″	2.99″	3.54″
Spindle Bearing Diameter	4.72″	5.51″	5.51″	6.3″
Spindle Inside Taper	M.T.5	M.T.5	M.T.5	M.T.5
Hydraulic Chuck	8″ 3-Jaw	10″ 3-Jaw	12″ 3-Jaw	12″ 3-Jaw
C-Axis Increment of Spindle	.001°	.001°	.001°	.001°
Sub-Spindle (Option)
Spindle Motor	20HP Fanuc (40HP Siemens) Integral Motor	20HP Fanuc (40HP Siemens) Integral Motor	20HP Fanuc (25HP Siemens) Integral Motor	25HP Fanuc (30HP Siemens) Integral Motor
Spindle Nose	A2-6	A2-6	A2-8	A2-8
Spindle RPM	5,000 RPMs	5,000 RPMs	4,000 RPMs	3,500 RPMs
Hole through Spindle	2.87″	2.87″	2.87″	3.39″
Bar Capacity	2.52″	2.52″	2.52″	2.91″
Spindle Bearing Diameter	4.72″	4.72″	4.72″	5.51″
Spindle Inside Taper	M.T.5	M.T.5	M.T.5	M.T.5
Hydraulic Chuck	8″ 3-Jaw	8″ 3-Jaw	10″ 3-Jaw	10″ 3-Jaw
C-Axis Increment of Spindle	.001°	.001°	.001°	.001°
B-Axis Swivel Head
Spindle Motor	15 HP Fanuc (30 HP Siemens) Integral Motor	15 HP Fanuc (30 HP Siemens) Integral Motor	15 HP Fanuc (30 HP Siemens) Integral Motor	15 HP Fanuc (35 HP Siemens) Integral Motor
Spindle Taper	HSK-63T	HSK-63T	HSK-63T	HSK-63T
Spindle RPM	12,000 RPMs	12,000 RPMs	12,000 RPMs	12,000 RPMs
B-Axis Rapid Rotation Speed	33.3 RPMs	33.3 RPMs	33.3 RPMs	33.3 RPMs
B-Axis Travel	± 120° from Vertical	± 120° from Vertical	± 120° from Vertical	± 120° from Vertical
B-Axis Accuracy	± 7 Arc Seconds	± 7 Arc Seconds	± 7 Arc Seconds	± 7 Arc Seconds
B-Axis Repeatability	± 2 Arc Seconds	± 2 Arc Seconds	± 2 Arc Seconds	± 2 Arc Seconds
Automatic Tool Changer
# of Tools	40 (80 opt.)	40 (80 opt.)	40 (80 opt.)	40 (80 opt.)
Max. Tool Diameter with Adjacent Tool / without Adjacent Tool	2.75″ / 4.92″	2.75″ / 4.92″	2.75″ / 4.92″	2.75″ / 4.92″
Max. Length	11.8″	11.8″	11.8″	11.8″
Max. Tool Weight	17.6 lbs.	17.6 lbs.	17.6 lbs.	17.6 lbs.
Tool Type	HSK-63A	HSK-63A	HSK-63A	HSK-63A
Tailstock
Quill Diameter of Tailstock	2.95″	2.95″	2.95″	2.95″
Quill Stroke of Tailstock	3.94″	3.94″	3.94″	3.94″
Quill Taper of Tailstock	M.T.#5	M.T.#5	M.T.#5	M.T.#5
Tailstock Body Travel (Power)	39.4″	39.4″	59.1″	59.1″
Lower Turret (Option)
Turret Tools Positions	10	10	10	10
Turret Type	Servo	Servo	Servo	Servo
Tool Mounting	Block Type / Bolt-on	Block Type / Bolt-on	Block Type / Bolt-on	Block Type / Bolt-on
O.D. Tool Shank Size	1″	1″	1″	1″
I.D. Tool Shank Size	1.5″	1.5″	1.5″	1.5″
Index Time	.23 sec / .56 sec 180°	.23 sec / .56 sec 180°	.23 sec / .56 sec 180°	.23 sec / .56 sec 180°
Ballscrews and Axis Motors
Z1-Axis Ballscrew Diameter	40 mm (1.57″) x 16 mm Pitch	40 mm (1.57″) x 16 mm Pitch	40 mm (1.57″) x 16 mm Pitch	40 mm (1.57″) x 16 mm Pitch
X1-Axis Ballscrew Diameter	40 mm (1.57″) x 16 mm Pitch	40 mm (1.57″) x 16 mm Pitch	40 mm (1.57″) x 16 mm Pitch	40 mm (1.57″) x 16 mm Pitch
Y Axis Ballscrew Diameter	40 mm (1.57″) x 16 mm Pitch	40 mm (1.57″) x 16 mm Pitch	40 mm (1.57″) x 16 mm Pitch	40 mm (1.57″) x 16 mm Pitch
Z2-Axis Ballscrew Diameter	40 mm (1.57″) x 16 mm Pitch	40 mm (1.57″) x 16 mm Pitch	40 mm (1.57″) x 16 mm Pitch	40 mm (1.57″) x 16 mm Pitch
X2-Axis Ballscrew Diameter	36 mm (1.42″) x 10 mm Pitch	36 mm (1.42″) x 10 mm Pitch	36 mm (1.42″) x 10 mm Pitch	36 mm (1.42″) x 10 mm Pitch
W-Axis (Sub-spindle) Ballscrew Diameter	40 mm (1.57″) x 12 mm Pitch	40 mm (1.57″) x 12 mm Pitch	40 mm (1.57″) x 12 mm Pitch	40 mm (1.57″) x 12 mm Pitch
Ballscrew Type	Class 3 Double Nut Pre-loaded	Class 3 Double Nut Pre-loaded	Class 3 Double Nut Pre-loaded	Class 3 Double Nut Pre-loaded
Ballscrew Mounting Type	Pre-tensioned	Pre-tensioned	Pre-tensioned	Pre-tensioned
X1, Z1, X2, Z2, Y, W, B Servo Motor HP (Fanuc)	X1 = 9 HP, Z1 = 9 HP, X2 = 4 HP, Z2 = 5.2 HP, Y = 9 HP, W = 5.2 HP, B = 4 HP	X1 = 9 HP, Z1 = 9 HP, X2 = 4 HP, Z2 = 5.2 HP, Y = 9 HP, W = 5.2 HP, B = 4 HP	X1 = 9 HP, Z1 = 9 HP, X2 = 4 HP, Z2 = 5.2 HP, Y = 9 HP, W = 5.2 HP, B = 4 HP	X1 = 9 HP, Z1 = 9 HP, X2 = 4 HP, Z2 = 5.2 HP, Y = 9 HP, W = 5.2 HP, B = 4 HP
X1, Z1, X2, Z2, Y, W, B Servo Motor HP (Siemens)	X1 = 6.5 HP, Z1 = 5.8 HP, X2 = 3 HP, Z2 = 4.4 HP, Y = 6.5 HP, W = 6.5 HP, B = 4.4 HP	X1 = 6.5 HP, Z1 = 5.8 HP, X2 = 3 HP, Z2 = 4.4 HP, Y = 6.5 HP, W = 6.5 HP, B = 4.4 HP	X1 = 6.5 HP, Z1 = 5.8 HP, X2 = 3 HP, Z2 = 4.4 HP, Y = 6.5 HP, W = 6.5 HP, B = 4.4 HP	X1 = 6.5 HP, Z1 = 5.8 HP, X2 = 3 HP, Z2 = 4.4 HP, Y = 6.5 HP, W = 6.5 HP, B = 4.4 HP
Roller Linear Way Size / Span
Z1-Axis	55 mm / 25.2″ span	55 mm / 25.2″ span	55 mm / 25.2″ span	55 mm / 25.2″ span
X1-Axis	45 mm / 22.8″ span	45 mm / 22.8″ span	45 mm / 22.8″ span	45 mm / 22.8″ span
Y-Axis	45 mm / 30.9″ span	45 mm / 30.9″ span	45 mm / 30.9″ span	45 mm / 30.9″ span
W-Axis	45 mm / 12.8″ span	45 mm / 12.8″ span	45 mm / 12.8″ span	45 mm / 12.8″ span
Z2-Axis	45 mm / 9.8″ span	45 mm / 9.8″ span	45 mm / 9.8″ span	45 mm / 9.8″ span
Z2 – Axis	45 mm / 12.9″ span	45 mm / 12.9″ span	45 mm / 12.9″ span	45 mm / 12.9″ span
Feeds
Rapid Traverse Rate X1, Z1, Y, X2, Z2, W	1575, 1575, 1181, 1575, 1181 IPM	1575, 1575, 1181, 1575, 1181 IPM	1575, 1575, 1181, 1575, 1181 IPM	1575, 1575, 1181, 1575, 1181 IPM
Cutting Feed Rate	0.01 – 315 IPM	0.01 – 315 IPM	0.01 – 315 IPM	0.01 – 315 IPM
Positioning Accuracy	± .0002″ Full Stroke	± .0002″ Full Stroke	± .0002″ Full Stroke	± .0002″ Full Stroke
Repeatability	± .0001″	± .0001″	± .0001″	± .0001″
General
Coolant Tank Capacity	175 Gallons	175 Gallons	175 Gallons	175 Gallons
Coolant Pump Motor	.75 HP x 4	.75 HP x 4	.75 HP x 4	.75 HP x 4
Machine Weight	27,500 lbs.	27,500 lbs.	30,000 lbs.	31,500 lbs.
Floor Space	161″ x 102″ x 97″	161″ x 102″ x 97″	181″ x 102″ x 97″	181″ x 102″ x 97″
Machine Power Source	208/220 Volts, 3 Phase 200 Amps*	208/220 Volts, 3 Phase 200 Amps*	208/220 Volts, 3 Phase 200 Amps*	208/220 Volts, 3 Phase 200 Amps*
Hydraulic Pump Motor	3 HP	3 HP	3 HP	3HP

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