The Tongtai HA-400-II is a compact, horizontal machining center for high volume, high precision machining needs.  The APC is a rotary type pallet changer and it exchanges the pallets in only 10 seconds. For additional information, options, and pricing, please contact Mike Venezia at:            860 670 6909 or mike@machineelectrical.com

Machine Specifications: 

Travels

Longitudinal Travel (X) Axis      24″

Cross Travel (Y) Axis                   22.8″

Vertical Travel     (Z) Axis           22.8″

Spindle Center to Table Top     3.15″ min/25.2″ max

Spindle Nose to Table Center   2.75″ min/25.6″ max

Table Height from Floor           45.2”

Pallet

Pallet Working Surface                15.7″ x 15.7″

Maximum Workload on Pallet  880 LBS

Table Surface                               Qty 25 – M16 holes

Maximum Workpiece Size (dia. / height) 24.8” x 31.5”

B Axis Index Positioning           1 degree (.001 degree opt.)

Spindle

Spindle Motor                     33.5 HP / 25HP built-in

Spindle Taper                      Big Plus CAT-40 / BT-40 / HSK-63A

Spindle Drive System        Integral Motor

Spindle Speed                    0-12000 RPM

Spindle Torque                173 ft./lbs. @ 750 RPM

Spindle Bearings             Hybrid Ceramic with grease lube

Spindle (Optional 15,000 RPM)

Spindle Motor               50 HP / 35HP 30 min./ 25HP cont. (built-in)

Spindle Taper               Big Plus CAT-40 / BT-40 / HSK-63A

Spindle Drive System   Integral Motor

Spindle Speed               0-15000 RPM

Spindle Torque            123 ft./lbs. @ 1060 RPM

Spindle Bearings         Hybrid Ceramic with air / oil mist lubrication

Spindle (Optional PCI 18,000 RPM)

Spindle Motor          67 HP 30 min / 40HP Cont. Integral motor

Spindle Torque        59 ft/lbs at 3000 RPM

Spindle Taper         HSK-63A

Spindle Drive System  Integral Motor

Spindle Bearings    Hybrid ceramic / Air – oil mist lubrication

Spindle Speed        0-18000

Automatic Tool Changer (Standard)

Number of Tools                  60 tools

Tool Selection                      Fixed Pot

Tool Change Time              1.5 sec tool to tool

Chip to Chip Time             2.8 sec chip to chip average

Maximum Tool Diameter   3″ with adjacent tools / 5.9” w/o

Maximum Tool Weight     26.4 LBS

Maximum Tool Length    16.1″

APC Unit

Type                         Rotary (0-180 degrees)

Change Time         10 seconds

Rotation Method  Servo Motor

Pallet Clamping Method  Ball Lock cones – 37,400 lbs clamp force

Ballscrews and Axis Motors

X-Y-Z Ballscrew Diameter    40mm (1.57”) x     16mm pitchXZ,

20mm pitch Y

Ballscrew Type                       Class 3 double nut pre-loaded

Ballscrew Mounting Type   Pre-Tensioned / double anchored

X-Y-Z-B Servo Motor HP   5.2 – 9.0 – 5.2 – 2.1 HP

Servo Motor Mounting      Direct coupled

Feeds

Rapid Traverse Rate X,Y,Z       2362 IPM

Cutting Feed Rate                      0.01 – 787 IPM

Positioning Accuracy                +/- .0002″ full stroke

Repeatability                             +/- .0001″

General

Coolant Tank Capacity             150 gallons

Machine Weight                        32,000 LBS

Floor Space                               100″ x 193″ x 113″

Machine Power Source          208/220 Volts, 3 Phase 150 Amps**

**Consult AMT or your local distributor for exact

power requirements when ordering**

Air Source                                90 PSI

Standard Machine Accessories                                                                                            

1 degree B axis table

1000 PSI coolant through the spindle system

Air Blast for Spindle

60 Tool ATC

Big Plus dual contact spindle

Auto Lubrication – Quantitative distributor type with Alarm

Full Machine Enclosure

Halogen Work Lamp

Chip Conveyors (screw type)

Chip conveyor (scraper type)

Coolant shower system, chip wash system, and coolant wash down gun

Remote Manual Pulse Generator

Spindle cooling system

Rigid Tapping