Heavy Duty CNC Vertical Lathe

SIEMENS-840D sl(S)

FANUC 31i (O)※ (S) : Standard, (O) : Option

2,000mm

2,500mm

Table Size ☞☞☞☞ 6,000mm

8,000mm

Cross Rail Type ☞☞☞☞

NC Controller ☞☞☞☞

Crossrail moving type Crossrail fixed type

T type M type

HVT-2025 HVT-6080HVT-5060

HVT-3040T

-. Turning

-. ATC available

3,000mm

4,000mm

5,000mm

6,000mm

Functionally ☞☞☞☞

HVT Series ☞☞☞☞

Max. Cutting Dia. ☞☞☞☞

HVT-3040M

-. Turning & Milling

-. ATC available

HVT-3040

-. Turning

-. ATC not available

HVT-3040

Max. cutting diameter

Table diameter

HVT-4550

4,500mm

5,000mm

2/46

Line Up

1) Integrated hydrostatic bearing with no contact for semi permanent usage

2) High power table motor

-. MAX. 71/114kW

3) High power spindle torque

-. 62,217 / 100,299Nm

4) Max. table load capacity

-. 30Ton

5) Standard curvic coupling

-. Providing rigid clamping

6) C-axis for turn mill

-. 0.001°indexing

7) Optimized design through 3D CAD/FEM technology

3/45

Main Features

Heavy Duty CNC Vertical Lathe

Contents Unit HVT-3040T(M)

� CapacityTable size mm 3,000

Max. swing mm 4,000

Max. cutting Dia. mm 4,000

Max. cutting height mm 2,000

Max. workpiece weight kg 30,000

� TableSpeed – 2step rpm 1~100

Power kW 71 /114

Max. torque N.m 62,217

Min. C-axis table indexing angle deg (0.001)

� RamNo. of ram EA 1

Size of ram mm 300x300

Milling spindle taper - (BT50)

Milling spindle power kW (22/30)

Max. milling speed rpm (1,500)

� FeedX-axis stroke mm -200~+3,800

Z-axis stroke mm 1,500

W-axis stroke mm 1,500

� ATCNo. of tool - (12)

Tool holder type - MAS BT50

� DimensionMachine weight kg 90,000

Floor space(L ×××× W) mm 9,500x5,500

Height mm 8,500

� Controller SIEMENS-840Dsl 4/45

Machine Specification

※ ㅡㅡㅡㅡ : Not available S: Standard O: Option

5/56

Item SpecificationHVT4550

HVT 4550M

� Controlled axis

�Controlled axes axes 5 8

�Linear interpolation axes axes 2x2 2

�Least input increment0.001mm, 0.001deg, 0.0001inch

S S

�Working area limit S S

�Software traverse limit 1,2 S S

�Measuring system error compensation S S

�Backlash compensation S S

� Operation

�Number of channels Channel 2 1

�Number of mode-groups Mode-group 2 1

�Inch/metric conversion G70, G71 S S

�Reference point approach G74 S S

�Dry run, single block S S

�Block search with/without calculation S S

�Repositioning on the contour- With operator command- Program-controlled REPOS, REPOSA

S S

�Program execution from RS 232C interface

S S

�Program execution fromNetwork drive

Network Manager S S

� Interpolation function

�Positioning G00 S S

�Linear interpolation- straight line with angle

G01ANG

S S

�Circular interpolation- polar coordinates- tangential transition

G02, G03AP, RP CT

S S

�Dwell (Per seconds) G04 S S

Item SpecificationHVT 4550

HVT4550M

� Interpolation function

�Thread cutting- with constant lead- with variable lead

G32G33, G34

S S

�Polar coordinates G110, G111, G112 S S

�Chamfer, rounding CHF, CHR, RND= S S

�Approaching a fixed point G75 S S

�Helical,�Involute interpolation

SO

SO

� Feed function

�Rapid traverse override-with feed-rate override 0-120% S S

�Feed per minute (mm/min) G94 S S

�Feed per revolution (mm/rev) G95 S S

�Feed-rate for positioning axis FA,FPR= S S

�Jog feed velocity (X,Z) 0-2000 mm/min S S

�Rapid velocity (X,Z) 0-6000 mm/min S S

�Separate override control 2 Mode-groups S ㅡ

� Program input

�G-code system Siemens G-code (DIN66025) S S

�ISO-dialect mode ISO-A S S

�Separate operating mode 2 Channels S ㅡ

�Absolute/ Incremental dimension G90, G91 S S

�Working area limitation G25, G26 S S

�Exact stop G60, G9 = S S

�Programmable rotation ROT, AROT S S

�Programmable scale factor SCALE, ASCALE S S

�Programmable mirroring MIRROR, AMIRROR S S

NC Specification

►►►► SIEMENS-840Dsl (Std.)

6/56

Item SpecificationHVT4550

HVT4550M

� Program input

�Number of zero offset 100 EA (G54..) S S

�Manual measurement of

zero offsetScratch function S S

�Subroutine call 16 levels S S

�Custom macro S S

�User parameter R-parameters (300) S S

�Turning cycle Cycle93 ~ 97 S S

�Drilling cycle Cycle81 ~ 82 S S

�Contour programming S S

�Compare and logic operations S S

�Arithmetic and trigonometric functions S S

� Spindle speed function

�Constant surface speed control G96/G97 S S

�Spindle override 50-120% S S

�Spindle orientation M19 S S

�Digital load meter S S

�Spindle synchronous control ㅡ S

� Tool function / compensation

�Tool function T-number S S

�Tools/Cutting edges in tool list 600/1500 S S

�Tool nose radius compensation S S

�Tool geometry/wear compensation S S

�Manual tool offset calculator S S

Item SpecificationHVT4550

HVT4550M

� Editing operation

�Part program storage size CNC User memory 3MB S S

�Text editor with editing functions : Select, copy, delete= S S

�Dual editor S S

�Write protection for lines S S

�Suppression of lines in the display S S

�Screen saver S S

�Cyclical alarm display S S

�Timer & Counter function S S

�Graphic simulation S S

�Pocket calculator mode S S

�Easy program selection S S

�Multi-language display (English, German, French, Italian, Chinese, Korean=.)

S S

� Data input/output

�Interface devices USB S S

�Memory card O O

�Ethernet connection S S

� Others

�Machine step programming SHOP TURN O O

�Extended opration S S

�Shopmill HMI functions S S

�Service Planner Maintenance scheduler S S

�Easy Extend Managing machine unit S S

�Display unit 10.4" color LCD S S

NC Specification

※ ㅡㅡㅡㅡ : Not available S: Standard O: Option►►►► SIEMENS-840Dsl (Std.)

7/56

Item Specification

� Controlled axis

�Controlled axisT : 4-axis(X,Z,W1,W2)M : 5-axis(X,Z,C,W1,W2)

S

�Simultaneously controlled axisT : 2-axis(X,Z)M : 3-axis(X,Z,C)

S

�Least input increment 0.001mm, 0.0001inch S

�Absolute or Incremental command G90 / G91 S

�Interlock All axis S

�Machine lock All axis S

�Emergency stop S

�Over travel S

�Chamfering ON/OFF S

�Stored stroke check 1 S

�Stored stroke check 1 expansion S

�Inch/metric conversion G20/G21 U

� Operation

�Automatic & MDI operation S

�DNC operation with PCMCIA card Remote mode S

�Program number search S

�Sequence number search S

�Program restart O

�Wrong operation prevention S

�Dry run S

�Single block S

�Manual continuous feed JOG mode S

�Manual reference position return S

�Manual handle feed 1unit S

�Manual handle feed rate x1, x10, x100 S

�Handle interruption O

Item Specification

� Interpolation function�Positioning G00 S

�Exact stop G09 S

�Linear interpolation G01 S

�Circular interpolation G02, G03 S

�Dwell G04 S

�Polar coordinate interpolation G12.1 /G13.1 S

�Cylindrical interpolation G7.1 S

�Thread cutting G32 S

�Thread cutting retract S

�Continuous threading S

�Variable lead threading S

�Skip G31 S

�High-speed skip G31 O

�Reference position return G28 S�Reference position return check G27 S

�2nd Reference position return G30 S

�3rd / 4th Reference position return G30 O

� Feed function�Rapid traverse override F0, F25, F50, F100% S

�Feed per minute (mm/min) G94 S

�Feed per revolution (mm/rev) G95 S

�Automatic acceleration / deceleration S

�Rapid traverse bell-shaped acceleration / deceleration S

�Cutting feedrate clamp S

�Feedrate override 0 - 200% S

�Jog override 0 - 200% S

�Manual per revolution feed S

�Linear acc/dec after cutting feed interpolation S

NC Specification

※ ㅡㅡㅡㅡ : Not available S: Standard O: Option►►►► FANUC 31i (Opt.)

8/56

Item Specification

� Program input

�Tape code EIA/ISO S

�Optional block skip 1ea S

�Program file name 32 characters S

�Sequence number N8 digit S

�Decimal point programming S

�Coordinate system setting G92 S

�Automatic coordinate system setting S

�Workpiece coordinate system G54 - G59 S

�Addition of workpiece coordinate system 48 / 300 pairs O

�Manual absolute on S

�G-code system B S

�Chamfering/Corner R S

�Programmable data input G10 S

�Programmable parameter input S

�Sub program call S

�Custom macro S

�Addition of custom macro variables #500 - #999 O

�Canned Cycles S

�Multiple repetitive cycle S

�Multiple repetitive cycle II Pocket profile O

�Canned cycles for drilling S

�Circular interpolation by R program R,I,J,K S

�Direct drawing dimension programming S

Item Specification

� Auxiliary / Spindle speed function

�Auxiliary function M2 digit S

�Spindle speed function S4 digit S

�Constant surface speed control G96/G97 S

�Actual spindle speed output S

�Spindle orientation M19 O

�Spindle override 50 - 150% S

�Rigid tapHVT-T Series -

HVT-M Series S

� Tool function / Tool compensation

�Tool function T4 digit S

�Tool offset pairs 32 pairs S

�Tool offset pairs 64 / 99 / 200 pairs O

�Tool nose radius compensation S

�Tool geometry/wear compensation S

�Automatic tool offset Tool presetter O

�Direct input of offset value measure B Tool presetter O

� Accuracy compensation function

�Backlash compensation Rapid & cutting feed S

�Stored pitch error compensation S

�Interpolation type pitch error compensation S

� Editing operation

�Part program storage size 256Kbyte S

�Part program storage size 512K / 1M / 2M byte O

�Number of register programs 63ea S

�Number of register programs 1000 / 2000ea O

NC Specification

►►►► FANUC 31i (Opt.)※ ㅡㅡㅡㅡ : Not available S: Standard O: Option

9/56

Item Specification

� Editing operation

�Program protect S

�Background editing S

�Playback (Teach in) O

�Extended part program editing S

�Machining time stamp O

� Setting and display

�Clock function S

�Status display S

�Current position display S

�Program comment display S

�Parameter setting and display S

�Alarm display S

�Alarm history display S

�Operation history display S

�Run hour and parts count display S

�Actual cutting feedrate display S

�Display of spindle speed and T code at all screens S

�Operating monitor screen (Load meter) S

�Servo setting screen S

�Spindle setting screen S

�Self-diagnosis function S

Item Specification

� Setting and display

�Help function S

�Graphic display function S

�Language display Korea, English S

�Dynamic graphic function O

� Data input/output

�Reader/puncher interface RS-232C S

�External message S

�Memory card input/output PCMCIA card S

�USB memory input/output USB memory S

�Screen hard copy S

�Ethernet Embedded Ethernet S

� Others

�Status output signalNC ready, Servo ready

Feed hold, NC alarmS

�PMC ladder function 24000 steps S

�Display unit 10.4” color LCD

�MDI unit Separate MDI

(ONG horizontal type)S

�Fanuc manual 1set

Operator manual

Maintenance manual

Parameter manual

S

� Programming guidance function

�Manual guide ifor LATHE(included manual )

O

NC Specification

►►►► FANUC 31i (Opt.)※ ㅡㅡㅡㅡ : Not available S: Standard O: Option

Optional AccessoriesStandard Accessories

1) ATC : 12EA(M type)

2) Automatic coolant system

3) CNC system : SIEMENS-840Dsl

4) Flicker lamp : R/Y/G (3 colors)

5) Hard jaw 1set

6) Hydraulic unit

7) Leveling block & plate

8) Lubrication system : 2 units

9) Operation manual & part list

10) Standard tool holder : 2 sets

11) Tool box

12) Transmission : Auto 2 steps

13) Work light

14) 10.4” LCD Monitor

1) Air gun

2) ATC : 12EA(T type), 24EA(T(M))

3) Box jaw

4) Chip conveyor & box

5) CNC system : FANUC 31i

6) Coolant gun

7) Linear scale (X/Z/W)

8) Manual guide i (for Fanuc system)

9) NC cooler

10) Oil Skimmer

11) PCU 50 (Built-in hard disc): (for SIEMENS-840Dsl only)

12) Shop turn (for SIEMENS system)

13) Splash guard : Semi-enclosed cover / Full cover

14) Tool life management

15) Tool presetter

16) Transformer (Isolating) : 250kVA

17) Turning tool holder

10/56

Accessories

8,500

11/45

Machine Size

►►►► HVT – 3040T(M)

※ unit: mm

Floor Space (LxW)

11,100x7,800 mm

Machine Height8,500mm

Machine Weight

90,000 kg

Power

250 kVA

Power Cable Standard

120 SQ

Air Pressure5 ~7 bar

12/45

Foundation

►►►► HVT – 3040T(M)

※ unit: mm

TABLE

B

C

A

WORK PIECE

F

W-axis Stroke (Cross rail)

E

Z-axis Stroke (Ram)

Max. Cutting Length

D

X-axis Stroke

Max. Cutting Dia.

Table Size

A B C D E F

HVT-3040T(M) 3000 4000 2500 -200~+3800 1500 2000

13/45

Moving Range

►►►► HVT – 3040T(M)

※ unit: mm

F

Ram Size

Ø E

Min. Inner Cutting Dia.

TABLE

A B C D E F G H I

HVT-3040T(M) 800 960 2,920 3,080 495 350 73 1,500 2,500

A

B

C

D

G

H

I

WORK PIECE

14/45

ATC Interference

►►►► HVT – 3040T(M)

※ unit: mm

X-axIs Center 3,080

720

Tool Change Pos.200

X-axis Over Center

15/45

ATC Interference

►►►► HVT – 3040T(M)

※ unit: mm

� Tool holder clamping : pull stud type

� Excellent performance for high precision machining

by using curvic coupling for best connection of

tool holder and ram

►►►► Tool Shank

►►►► Pullstud

Milling Holder (Std.)

350mm350mm

240mm

Turning Holder (Std.)

16/45

Tooling System

►►►► HVT – 3040T(M)

▪Square Tool Holder (Standard) ▪Boring Tool Holder ▪Boring Tool Holder Holder

▪Side Lock Holder (Standard) ▪Boring Bar ▪Boring Bar

17/45

Tooling System

►►►► HVT – 3040T(M)

� Turning gear box

▷▷▷▷ 71/114kW

▷▷▷▷ high/low 2step

▷▷▷▷ Max. speed 100rpm

�71/114kw

�Table Max 50 rpm

� Box jaw

▷▷▷▷ Manual JAW 4ea Std.

� C-axis ENCODER

▷▷▷▷ Indexing angle 0.001˚

18/45

Spindle Power Torque Diagram

►►►► Table motor

1500 RPM

802

700

22kW

274

300

140

1093

409

190.9

30 kW

LOW HIGH

TorqueNm POWER

kW

30min. rated

Cont. rated

3000 RPM

1200

1500

37.7 kW

300

240

12.2

1543

308

15.7

48.5 kW

LOW HIGH

TorqueNm POWER

kW

30min. rated

Cont. rated

� External reduction gear spindle : Std.

(22/30kW : 1,500RPM)

� Built-in motor spindle : Opt.

(37.7/48.5kW : 3,000RPM)

19/45

Spindle Power Torque Diagram

►►►► Spindle

Table(Chuck) Size Manual Dia. 3,000mm

Max. Table Speed 1~100 rpm

Table Loaded Weight 30,000 kgf

Max. Table Torque 62,217 N.m

Table Motor 71/114 kW

Table indexing angle(C-axis) 0.001˚

� The powerful 2 step transmission offers the heavy duty cutting on the low speed and single

frame offers stable machining during heavy duty cutting.

� The table are manufactured in a temperature controlled environment then assembled and

tested in clean room.

20/45

Sales Point

►►►► Table structure

� X-axis : Box way (Turcite)

� Z-axis : Box way (Turcite)

� W-axis : Box way (Turcite)

� X-axis : 7.75kW

� Z-axis : 7.75kW

� W-axis : 7.75kW

� Rapid velocity (X/Z/W) : 8/ 8/ 1m/min

◈◈◈◈ Axis driving motor◈◈◈◈ Axis driving motor

◈◈◈◈ Type of slider ◈◈◈◈◈◈◈◈ Type of slider ◈◈◈◈

21/45

Sales Point

►►►►Axis

� X-axis-linear scale

- Model : LC183-4240mm(± 5)

- Adapter cable 3m

- Connecting cable 15m

� Z-axis-linear scale

- Model : LS183-1640mm (± 5)

- Adapter cable 3m

- Connecting cable 15m

� W-axis-linear scale

- Model : LC183-2240mm (± 5)

- Adapter cable 3m

- Connecting cable 15m

22/45

Sales Point

►►►► Linear scale

� High precision boring, drilling, milling and tapping process by built-in C-axis control unit.

→ Min. C-axis table indexing angle : 0.001°

23/45

Sales Point

►►►► C-axis unit

� Precise and stable movement of the cross rail is performed by precision ball screw and AC servo motor

� Hydraulic clamp system realizes the stable cutting while machining drilling, tapping and milling process

24/45

Sales Point

►►►► Cross rail & Column

� High rigidity & high precision 4 position ram made of special cast iron

� Built-in spindle structure

→ Possible to machine drilling, tapping, milling process

� Feasibility of hard turning by hydraulic clamp system & curvic coupling

25/45

Sales Point

►►►► 4 position ram

� Fixed spindle (Not rotating)

� Possible to change tool holder

� Feasibility of hard cutting by tool holder bite

26/45

Sales Point

►►►► Turning head (Std.)

� Standard

-. 22/30kW

-. 2-step High/Low

-. Spindle speed : 15~1,500rpm

-. Max. torque : 802 NM

� Option

-. 37.7/48.5kW

-. Built-in type

-. Spindle speed : 30~3,000rpm

-. Max. torque : 1,200 NM

27/45

Sales Point

►►►► Turn mill head

� W-axis clamp

-. 3-step hydraulic cylinder structure

(Left & Right)

-. Feasibility of hard turning by stable

clamp system on the cross rail

� Table clamp

-. Hydraulic cylinder structure

-. Fixing work piece while machining

drilling and tapping process

28/45

Sales Point

►►►► Clamp system (W axis & Table)

� Box jaw & tool holder : Response of additional request is available

� Turning tool holder Std. : BT50, 350X350

� Box jaw (Std.) : 420X250

<Turning tool holder><Box jaw>

29/45

Sales Point

►►►► Box jaw & Turning tool holder

◈ A T C◈◈ A T C◈

※ All turning holder : Double contact (Std.)

� High-productivity servo magazine

� Random storage of the tools (turning & milling)

� Max. tool storage capacity : 12ea (Std.)

� Max. tool Dia.

- With adjacent tools : Ømm (Øinch)

- Without adjacent tools : Ømm (Øinch)

� Max. tool length : 350mm

� Max. tool weight : 70kg

� Standard holder :

30/45

►►►►ATC

Sales Point

� Coolant tank capacity : 600L

� Coolant motor: 0.9Kw / 60Hz

� Discharge rate : 165L/min

31/45

►►►► Coolant system

Sales Point

2ea × 12 Liters

� Automatic lubrication system supplies the exact amount of

lubrication oil to each parts automatically

� Display message when oil is empty or the lubrication

supply line has any problem

32/45

►►►► Lubrication system

Sales Point

� Air requirement (Std.)

� Blow off the dirt & chip in mill spindle taper while tool is changed automatically

� Magazine Tool Clamp/Unclamp (Automatic/Manual)

� ATC Door

� Auto Door (Opt.)

� Specification

� Required pressure : 5~7 bar

� Inlet hose : Ø12

� Max. consumption rate : 690 Nℓ/min

33/45

►►►► Pneumatic system

Sales Point

� Repeatability : less than 5㎛㎛㎛㎛

� Various function

- Minimized coordinate setup time by easy touch sensor manipulation

- Auto calculation input of shape calibration value of tool coordinate

- Auto tool coordinate correction on work shape change

34/56

►►►►Auto Tool Pre-setter

Sales Point

� Work piece measurement device

� Model : TC51

� Measurement mode : touch probe

� Repeatability accuracy : +/- 1㎛

� Operating range : 360°, 6m

� Signal flow : infrared ray

35/45

►►►► Touch probe

Sales Point

� Hinge type chip conveyor & bucket

� Size(LxWxH) : 5,656 x 570 x 3,000mm

� Coolant tank capacity : 1,200L, 1,500W

36/45

►►►► Chip Conveyor

Sales Point

� Double column with frame structure for most powerful cutting

� Using a meehanite cast iron bed and table to minimize deformation

� Optimized design with 3D CAD/FEM technology for rigid, deflection and vibration of frame

37/45

►►►► 3D CAD/FEM interpretation

Sales Point

� User-friendly : 10,4” Color TFT � Easy maintenance

-. Data save function without battery(NV-RAM)

-. Deletion of cooling fan by minimizing heat generation

Ethernet (RJ45)

USB

CF memory card

� Various communication port

38/42

►►►► Controller panel (Std. SIEMENS system)

Sales Point

� Flexible program input

� Graphical programming including tool, feed rate and

cutting rate / spindle speed, with chaining of machining steps

� Highly flexible G-code programming with graphical contour

and cycle support

� User-friendly operation

� Graphical support for measuring tools and work-pieces

� USB memory stick directly at the operator panel front

� 3D simulation with zoom to details and automatic calculation

of machining time

� Intelligent functions for higher productivity

� Input of the counter spindle functions by dialog screen

� In-process measuring for tools and work-pieces

� Programming and training software for PC

CAD/CAM

39/42

►►►► Communication programming (SIEMENS : Shop turn)

Sales Point

Ethernet

USB

CF memory card

� Multi-axis / Multi-channel control, High functional “CNC”

� High speed built-in “PMC”

� Most advanced “SERVO” processor

40/42

►►►► Controller panel (Opt. FANUC system)

Sales Point

Easy programmingBased on ISO-code program format, complex machining motions can be created easily by menu form

Easy programmingBased on ISO-code program format, complex machining motions can be created easily by menu form

CAD/CAM

Operation Guidance, which supports whole operations on an all-in-one screen .Operation Guidance, which supports whole operations on an all-in-one screen .

Intuitive menu selectingMenu can be selected easily and intuitively by soft-key with icon

Intuitive menu selectingMenu can be selected easily and intuitively by soft-key with icon

Good affinity with CAD/CAMMost popular ISO-code program format on CAD/CAM can be dealt as it is

Good affinity with CAD/CAMMost popular ISO-code program format on CAD/CAM can be dealt as it is

All-in-one ScreenOnly one screen concentrated all

operations

All-in-one ScreenOnly one screen concentrated all

operations

Machine status windowMachine status such as actual position, feed rate and load meter are displayed always

Machine status windowMachine status such as actual position, feed rate and load meter are displayed always

Realistic machining simulation3-D solid model machining simulation is available

Realistic machining simulation3-D solid model machining simulation is available

41/42

►►►► Communication programming (FANUC : Manual guide i)

Sales Point

Wind PowerWind Power AircraftAircraft

MachineryMachinery

EnergyEnergy

PetrochemistryPetrochemistry

ShipbuildingShipbuilding

42/42

Application

� Wind Power – Flange/ Gear / Shaft

43/45

Work Sample

Drain capture DRN cat holder STG 19BT

YAW/Pitch bearing(wind power industry)

CHANNEL COVER

(plant industry)

FLANGE

(wind power industry)

DIAPHRAGM

(parts of Energy industry)

FORGED RING(aerospace & machinery

industry)

TURBINE

(steam, gas, water, wind power, energy industry)

GIRTH FLANGE

(plant industry)

44/45

Work Sample

1. D Company : HVT-3040, for wind power flange, 2009. 05

2. W Company : HVT-3040, for wind power flange line(5ea), 2009. 07

3. Y Company : HVT-3040T, for atomic power parts, 2011.03

45/45

Reference Customer

►►►► Foundation work

46/45

Machine Model DescriptionPacking information

Length Width Height N/Weight G/Weight C.B.M.

HVT-2025M

Magazine & cover

Chip conveyor

Column unit

Base unit

Base cover etc..

Coolant tank etc..

Side cover etc..

To be noticed

Packing Dimension

Thank you for your attention!Thank you for your attention!

Update History

1. Create : 2011. 11. 07

2. Responsible : Technical Assistance Team

3. Rectification

①2015. 10. 08 : Corrected typing errors, added update history page