Five-Axis Vertical Machining Center GT Series

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1 GT Series Five-Axis Vertical Machining Center GT Series Main specification Spindle GT-5 GT-63 GT-8E GT-8 15, rpm built-in type spindle / 2, rpm built-in type spindle (Opt.) Rapid traverse 48 m/min X/Y/Z axis X/Y/Z axis 45 mm high precision ballscrew X axis Ø4, Y/Z axis Ø45 mm high precision ballscrew X/Y/Z axis 45 mm high rigidity roller guide way X/Z axis Ø4 mm, Y axis Ø5 mm high precision ballscrew X/Z axis 45, Y axis 55mm high rigidity roller guide way X/Y/Z axis Ø5 mm high precision ballscrew A axis : DD motor type A axis : Roller gear cam type A/C axis rotary table C axis : DD motor type C axis : Roller gear cam type (Opt. DD motor type) Table size Ø5 mm Ø63 mm Ø8 mm Ø8 mm Max. workpiece dimension Ø6 H4 mm Ø8 H5 mm Ø9 H5 mm Ø1, H6 mm

GT Series Five-Axis Vertical Machining Center 2 GT Series is developed for aerospace, mold, and automotive parts machining. According to the machining requirements, 15, rpm and 2, rpm spindle are both available for selection. Gantry type structure, the control of three linear axes, wihch are free from affect of workpiece weight, and the driven centers of three axes are all on these gravity center. It significantly improves dynamic stability. The optimized force route design on spindle saddle, it minimizes spindle overhang and improves the stability and rigidity during machining.

3 GT Series Five-Axis Vertical Machining Center Industry applications Industry applications Energy industry Workpiece : Impeller Material : A661(JIS) Energy industry Workpiece : Impeller Material : A661(JIS) Mold industry Workpiece : Tire mold Material : A661(JIS) Aerospace industry Workpiece : Blisk Material : SUS 63(JIS) Aerospace industry Workpiece : Blade Material : SUS 63(JIS)

GT Series Five-Axis Vertical Machining Center 4 Main structure Driven at the center of gravity The driven centers of three axes are all on these gravity center. It dramatically improves dynamic stability. The shortest force route between Z-axis and X-axis to optimize the weight of structure and increase machining rigidity. Z axis Less overhung X axis Y axis G The gravity center of Y-axis moving is in the center of complete saddle falls within the supporting range of sliding block, it avoids spindle overhang and improves dynamic stability. An enclosed structure design enhances complete structure rigidity.

5 GT Series Five-Axis Vertical Machining Center Main structure GT-5 Table Rotary axis, tilting axis DD motor driving Features of high speed and high accuracy Z axis X axis Y axis Stroke X/Y/Z axis 61/61/51 mm A/C axis 15(+3 ~-12 )/36 mm Rapid traverse X/Y/Z axis 48/48/48 m/min A/C axis 5/1 rpm C axis A axis Max. workpiece size Max. table load Table size Table rotary speed 4 kg Ø5 mm A axis 5 rpm C axis 1 rpm Ø6 Ø4 3 4

GT Series Five-Axis Vertical Machining Center 6 GT-5 A/C axisdirect-direct motor type Direct-drive type tilting/rotating table Direct-drive motor is used as the driver of A/C-axis tilting and rotating. It s one of the best solutions for high speed machining. The advantages of DD motor are space saving, less error, higher resolution, higher torque, and higher speed. A/C axis positioning accuracy A/C axis repeatability accuracy A axis torque C axis torque 5ʺ ±2.ʺ 1,35/3,3 Nm 44/1, Nm A axismotor 35 3 T = f(n) Tp Tc 25 T [Nm] 2 15 1 5 2 4 6 8 1 12 14 16 18 n [rpm] C axismotor 12 1 T = f(n) Tp Tc 8 T [Nm] 6 4 2 5 1 15 2 25 3 n [rpm]

GT Series Five-Axis Vertical Machining Center GT Series Five-Axis Vertical Machining Center Main structure GT-63 GT-63 Table Rotary axis, tilting axis DD motor driving Features of high speed and high accuracy A/C axis : Direct-direct motor type Z axis Direct-drive type tilting/rotating table Direct-drive motor is used as the driver of A/C-axis tilting and rotating. It s one of the best solutions for high speed machining. The advantages of DD motor are space saving, less error, higher resolution, higher torque, and higher speed. X axis Y axis A/C axis positioning accuracy 5ʺ A/C axis repeatability accuracy ±2.ʺ Stroke A axis torque 2,125/3,92 Nm X/Y/Z axis 76/82/56 mm C axis torque 615/1,15 Nm A/C axis 15(+3 ~-12 )/36 mm Rapid traverse X/Y/Z axis 48/48/48 m/min C axis A/C axis 5/1 rpm A axis motor T = f(n) 45 Tp 4 A axis Tc 35 T [Nm] 3 25 2 15 Max. workpiece size 1 5 Table size Ø63 mm Table rotary speed Ø8 A axis 5 rpm C axis 1 rpm 1 2 3 4 5 6 7 8 9 n [rpm] Ø6 T = f(n) C axis motor 14 Tp Tc 12 1 T [Nm] 6 kg 5 Max. table load 4 7 8 6 4 2 2 4 6 8 n [rpm] 1 12 14 16 8

GT Series Five-Axis Vertical Machining Center GT Series Five-Axis Vertical Machining Center Main structure GT-63 GT-63 Table Rotary axis, tilting axis DD motor driving Features of high speed and high accuracy A/C axis : Direct-direct motor type Z axis Direct-drive type tilting/rotating table Direct-drive motor is used as the driver of A/C-axis tilting and rotating. It s one of the best solutions for high speed machining. The advantages of DD motor are space saving, less error, higher resolution, higher torque, and higher speed. X axis Y axis A/C axis positioning accuracy 5ʺ A/C axis repeatability accuracy ±2.ʺ Stroke A axis torque 2,125/3,92 Nm X/Y/Z axis 76/82/56 mm C axis torque 615/1,15 Nm A/C axis 15(+3 ~-12 )/36 mm Rapid traverse X/Y/Z axis 48/48/48 m/min C axis A/C axis 5/1 rpm A axis motor T = f(n) 45 Tp 4 A axis Tc 35 T [Nm] 3 25 2 15 Max. workpiece size 1 5 Table size Ø63 mm Table rotary speed Ø8 A axis 5 rpm C axis 1 rpm 1 2 3 4 5 6 7 8 9 n [rpm] Ø6 T = f(n) C axis motor 14 Tp Tc 12 1 T [Nm] 6 kg 5 Max. table load 4 7 8 6 4 2 2 4 6 8 n [rpm] 1 12 14 16 8

9 GT Series Five-Axis Vertical Machining Center Main structure GT-8E Table Rotary axis, tilting axis DD motor driving Features of high speed and high accuracy Z axis Y axis X axis Stroke X/Y/Z axis 8/82/56 mm A/C axis 15(+3 ~-12 )/36 mm Rapid traverse X/Y/Z axis 48/48/48 m/min A/C axis 5/1 rpm C axis A axis Max. workpiece size Max. table load Table size Table rotary speed 1, kg Ø8 mm A axis 5 rpm C axis 1 rpm Ø9 Ø6 4 5

GT Series Five-Axis Vertical Machining Center 1 GT-5 GT-8E A/C axisdirect-direct motor type Direct-drive type tilting/rotating table Direct-drive motor is used as the driver of A/C-axis tilting and rotating. It s one of the best solutions for high speed machining. The advantages of DD motor are space saving, less error, higher resolution, higher torque, and higher speed. A/C axis positioning accuracy A/C axis repeatability accuracy A axis torque C axis torque 5ʺ ±2.ʺ 2,5/4,85 Nm 98/2,31 Nm A axismotor 6 5 T = f(n) Tp Tc 4 T [Nm] 3 2 1 2 4 6 8 1 12 n [rpm] C axismotor 25 2 T = f(n) Tp Tc T [Nm] 15 1 5 5 1 15 2 25 3 n [rpm]

11 GT Series Five-Axis Vertical Machining Center Main structure GT-8 Table Rotary axis, tilting axis Roller cam driving High dynamic rigidity ( DD motor is available in the rotary axis) Z axis Y axis X axis Stroke X/Y/Z axis 85/1,2/61 mm A/C axis 15(+3 ~-12 )/36 mm Rapid traverse X/Y/Z axis 48/48/48 m/min A/C axis 16/3(Opt. DD5) rpm C axis A axis Max. workpiece size Max. table load Table size Table rotary speed 1, kg Ø8 mm A axis 16 rpm C axis 3 rpm 5 rpm(opt. DD) Ø1, Ø6 4 6

GT Series Five-Axis Vertical Machining Center 12 GT-8 A/C axis : Roller gear cam type The positioning accuracy, repeatablility accuracy, backlash and durability performances of roller gear cam mechanism are superior to worm-gear mechanism. Well contact between roller and gear drives A/C rotary table with lowest torque. Backlash adjustment is not required after long time continuously heavy cutting. A/C axis positioning accuracy A/C axis repeatability accuracy A axis torque C axis torque 5.6ʺ ±3.ʺ 4,536 2/13,77 2 Nm 3,24/9,18 Nm Preload configuration Zero backlash Output Input Preload force is applied to all force direction to eliminate backlashes. High positioning accuracy Low abrasion Rollers Higher durability World No.1 GT-8 roller gear cam type A axis is designed to be embedded in U-shape machine bed for enhancing table rigidity. C axis : Direct-drive type (Opt.) Direct-drive motor is used as the driver of C-axis rotating. It s one of the best solutions for high speed machining. The advantages of DD motor are less volume, less error, higher resolution, higher torque, and higher speed. With 5 rpm rotating speed, high torque output can be upto 1,8/3,32 Nm. C axis A axis

13 GT Series Five-Axis Vertical Machining Center Main structure Rotating center is higher than table surface Rotating center of A axis is 1 mm higher than table surface, that reduces the distance while tool moving and table rotation simultaneously to save cycle time and gives perfect surface finishing in profle maching. GT-5 d=8 GT-63 d=9 GT-8E d=9 GT-8 d=1 Short Long d Rotating center Fixed type table design X/Y/Z axis moving and table rotation are working individually to make sure machining is free from 3 axis inertia influences. Prefect servo driven design gives excellent machining stability. Comparing with table moving type, A/C axis are equiped in fixed position, A axis positioning accuracy can be free form vibration by feeding axis. C axis A axis C axis Y axis A axis Movable type stable Fixed type table

GT Series Five-Axis Vertical Machining Center 14 Main structureoperation ATC (Automatic Tool Changer) Tools Specification GT-5 GT-63 GT-8E GT-8 Standard 32T 4 T Optional 4T 64 T 8 T Max. tool weight Max. tool diameter Max. tool length 7 kg Ø8 Ø125(w/o adjacent tool) 3 mm 3 Ø8 With adjacent tool 3 Ø125 Without adjacent tool OperationAccessibility Easily reachable distance to working table and widely door open space is converient for loading/unloading. L L GT-5 55 GT-63 65 GT-8E 65 GT-8 7 283 183 12 83

15 GT Series Five-Axis Vertical Machining Center Operation Door opening width Open top telescopic cover Wide door opening facilitates the operation and maintenance. The automatic open top telescopic cover of Y axis is convenient for lifting works. Swivel-type operation panel The swivel panel enables operator to operate and inspect easily during operation. Distance of tool changing The excellent access for tool changing and checking. Easy daily maintenance Through centralized mangment of air FIRL unit and lubricant pump, daily maintenance is made easily. 9 Well chip flow Central chip flow design, chips can be carried out immeditely while machining. It prevents casting struccture from being affected by hot chips and maintains machining accureacy.

GT Series Five-Axis Vertical Machining Center 16 Accessory specifications Linear scale (Std.) With linear scales in X/Y/Z axis, that is able to compensate positioning errors, repeataility errors, and ballscrew pitch errors caused by temperature. Positioning accureicy cmn be martained in ±5 µm. Further option for ±3 µm liner scale id also availabile. 2 µm and 5 µm rotary scales is standard equiped in A and C axis to garantee rotary positioning accuracy. Chip disposal (Std.) Comprehensive bed flush make sure all chips flow out. Various type chip conreyors are available for different materials disposal. Chip conveyor (Opt.) According to different materials and chip size, Tongtai provides various chip conveyors for the best chip disposal. Specification Steel Cast iron Aluminum/non-ferrous metal Long/ Curl chips Short chips Powder chips Short chips Long/ Curl chip Short chips Powder chips Chain type Scraper type Magnetic scraper type Drun type Integrated type Suitable Non-suitable Short chips : The chip length is smaller than 6 mm or Ø4 mm (ball shape cutting). Long/Curl chips : Chip is longer than short chips mentioned above.

17 GT Series Five-Axis Vertical Machining Center Optional accessories Spindle thermal deformation compensation (opt.) Built-in type temperature sensor detects the temperature of spindle bearing for protecting the bearing from overheating. By measuring temperature of the nearest point to bearings, compensation can be adjusted accordingly. Through thermal compensation, precision of each axis can be maintained below 2 µm. Befor compensation After compensation Spindle speed 2 1 Displacement (µm) -1-2 -3-4 -5-6 2, Spindle speed (rpm) 1, 1 2 3 4 5 6 7 8 Time (min) Diagram of thermal displacement on Z-axis Rotating center detection for five-axis machining center (opt.) 3D Interference Protection

GT Series Five-Axis Vertical Machining Center 18 Table size GT-5Table size Ø5 T-slot detail 75 75 75 14 H7 1 25 a.b.c.d Hydraulic / oil pressure holes a PCD5 b e PT1/8'' c d Working area X:61st 35 35 Y:61st 31 3 4(Tool change travel) 3 12 Ø6 8 5 4 Z:51st 75 65 65 Table Ø9

19 GT Series Five-Axis Vertical Machining Center Table size GT-63 246.4 Ø63 T-slot detail 18 H7 33 a.b.c.d Hydraulic / oil pressure holes 14 PCD45 a b d GT-63 Working area X:76ST Y:82ST 38 38 42 4 Ø8 Z:56ST 15 PT1/8'' c 5 4 12 3 Ø1,8

GT Series Five-Axis Vertical Machining Center 2 GT-8E 1 1 1 T-slot detail 14 H7 1 1 1 24 a.b.c.d Hydraulic / oil pressure holes a 1 PCD5 b e 8 8 PT1/8'' c d GT-8E Working area Y:82ST X:8ST 4 4 42 4 Ø9 Z:56ST 2 5 4 Ø18

21 GT Series Five-Axis Vertical Machining Center Table size GT-8 Ø8 356 45 T-slot detail 18 C1 C1 a.b.c.d Hydraulic / oil pressure holes 12 Y:12ST X:85ST 425 425 52 5 3 Ø1, Z=61 ST 12 15 33 3 a 45 b PCD5 e PT1/8'' c d GT-8 Working area 4 6 Ø6 Ø1,2

GT Series Five-Axis Vertical Machining Center 22 Spindle output / Machining precision 15, rpm Built-in type spindle (Std.) 2, rpm Built-in type spindle (Opt.) Output [kw] 45 4 35 3 25 2 15 1 5 153 Nm 139 Nm 127 Nm 1 Nm 15 25 38 4 kw Spindle speed (rpm) S1 Cont. S6 6% S6 4% S6 25% Torque [Nm] 2 3 6 9 12 15 16 12 8 4 25 Nm Output [kw] Torque [Nm] 8 8 67.2 Nm 7 6 55.7 Nm 6 42 kw 5 4 4 35 kw 3 2 2 1 6 1278 18 5 1 15 2 25 Spindle speed (rpm) Machining precision Test Standard : ISO-1791-7 Circularity 1.13 µm 9 Material Tool Spindle speed A661 Super hard Ø2 mm end milling tool 3,183 rpm 18 Cutting feedrate 4,755 mm/min Workpiece shape Ø8 Ø35 H15 mm 27 5 µm / div Assembling accuracy Circle for roundness : within 8µm

23 GT Series Five-Axis Vertical Machining Center Machine dimension Machine size GT-5 2,1 4,1 GT-63 2,2 3,31 5,4 2,149 3,39 MIN:297 MAX:3225

GT Series Five-Axis Vertical Machining Center 24 Machine size GT-8E 22 331 5,4 GT-8 3,25 3,825 5,66 2,617.5 3,855 349

25 GT Series Five-Axis Vertical Machining Center Standard/optional accessories Standard Optional Item Specification GT-5 GT-63 GT-8E GT-8 Spindle Built-in type 15, rpm Built-in type 2, rpm Built-in type 24, rpm (HSK-A63) Table Roller gear type A axis DD motor type A axis Roller gear type C axis DD motor type C axis Tool Shank BBT-4 HSK-A63 Tool capacity 32 tools 4 tools 64 tools 8 tools Coolant through spindle pump 2 bar 5 bar 7 bar Cooling system Spindle coolant system AC axis coolant system Air conditioner for electrical cabinet Chip conveyor Scraper type conveyor Chain type conveyor Lubrication system General lubrication system LHL integrated lubrication system Positioning accuracy system Three axes linear scale 5 µm resolution Three axes linear scale 3 µm resolution A axis linear scale (2 µm) C axis linear scale (5 µm) C axis linear scale (2.5 µm) Tool measuring system Renishaw NC4 Blum NT-A3-2 Workpiece measuring system Renishaw OMP4 Renishaw RMP6 Blum TC5 Others Machining air blow Air gun Coolant gun Oil skimmer Oil mist collector Controller HEIDENHAIN TNC64 SIEMENS 84D FANUC 31i-MB

GT Series Five-Axis Vertical Machining Center 26 Specifications Item Specification Unit GT-5 GT-63 GT-8E GT-8 Table Table size (LxW) mm Ø5 Ø63 Ø8 Ø8 Max. loading capacity kg 4 6 1, 1, Table height from floor mm 9 9 995 1,1 Max. workpiece dimension (diameter height) A/C axis min. indexing increment mm deg Ø6 4(shape limited) Ø8 5(shape limited) Ø9 5(shape limited).1 Ø1, 6(shape limited) Spindle Spindle taper 7/24 Taper No.4 Spindle speed rpm 24, (Opt. 15,) 15, (Opt. 2,) Stroke X/Y/Z axis stroke mm 61/61/51 76/82/56 8/82/56 85/1,2/61 Spindle nose to table mm 3-54 15-71 2-76 15-76 A axis stroke deg +3 ~ -12 C axis stroke deg ±36 Feed X/Y/Z axis rapid traverse m/min 48/48/48 A/C axis rapid traverse rpm 5/1 16/3 (DD16/5) Cutting feedrate mm/min 1-2, ATC Tool shank BBT-4 (Opt. HSK-63A) Tool capacity pc 32 (Opt. 4) 32 (Opt. 4648) Max. tool diameter mm Ø8 Max. tool diameter (w/o adjacent tool) mm Ø125 Max. tool length mm 3 Max. tool weight kg 7 Motor Spindle motor kw 42/35 (Opt. 4/4) 4/4 (Opt. 42/35) X/Y/Z axis servo motor kw 4.4/8.17/4.87 6.5/8.6/8.6 Coolant motor kw.37 2 Machine Width Depth Height mm 2,1x4,1x3,225 2,2x5,4x3,39 2,2 5,4 3,49 3,25 5,66 3,855 size Weight kg 13,5 16, 17, 26, specifications may be changed without prior notice

Tongtai Machine & Tool Co., Ltd. Headquarters No.3, Luke 3rd Rd., Luzhu Dist., Kaohsiung City 82151, Taiwan TEL886-7-9761588 FAX886-7-9761589 www.tongtai.com.tw Taoyuan Branch Taichung Branch Japan Branch Europe Branch Romania Branch Malaysia Branch Vietnam Branch Thailand Branch Indonesia Office TEL886-3-4551399 TEL886-4-235896 TEL81-4-71438355 TEL31-161-454639 TEL4-264-415273 TEL63-78597113 TEL84-4-627669 TEL66-2-744344 TEL62-21-4585875 FAX886-3-455973 FAX886-4-23589993 FAX81-4-7143836 FAX31-161-454768 FAX4-264-43983 FAX63-78597115 FAX66-2-3986518 FAX62-21-4585876 China Operation Center Shuzhou Tong-yu Machine & Tool Co., Ltd. No.555 Huahong Rd., Economic Development Zone of Wujiang, Suzhou City, Jiangsu Province, China TEL86-512-6343168 FAX86-512-63431622 E-mailsales@tong-yu.com.cn Wuhan Branch Chongqing Branch Guandong Branch Tianjin Branch Shanghai Office Shenyang Office TEL86-27-84586587 TEL86-23-67865925 TEL86-769-81158198 TEL86-22-2441764 TEL86-21-2428138 TEL86-24-24142968 FAX86-27-84853595 FAX86-23-67867717 FAX86-769-8115818 FAX86-22-24416738 FAX86-21-3473262 FAX86-24-24115782 Affiliates Honor Seiki Co., Ltd. Asia Pacific Elite Corp. Quick-Tech Machinery Co., Ltd PCI-SCEMM - rue Copernic ANGER Machining GmbH TEL : 886-7-9759888 FAX : 886-7-9759999 www.honorseiki.com.tw TEL : 886-4-23589313 FAX : 886-4-23588913 www.apeccnc.com TEL : 886-6-3841155 FAX : 886-6-3841177 www.quicktech.com.tw TEL : 33-4-77426161 FAX : 33-4-7742623 www.pci.fr TEL : 43-7229-7141- FAX : 43-7229-7141-199 www.anger-machining.com GT216.12.1