http://www.ptwss.com/

http://www.ptwss.com/

+82-54-231-0019

CONTENTS

1. COMPANY INFORMATION 2. BUSINESS 3. TECHNOLOGY 4. FACTORY 5. REFERENCE (SUPPLY LIST)

1. Company Information

Most Efficient & Economic Steel Solution

High Technology for Process Line & Rolling Mill, SPM, Leveler, Heating Furnace

Service Area

Technical report and Investment cost for feasibility study for investment

Basic Engineering, Basic Design, Detail Design for manufacturing and each Manual for

Operation, Maintenance and Commissioning

Functional Description for Operation

Guarantees manufacturing quality and on-time delivery using manufacturing management system

S/V service for installation and commissioning using expert engineers having over 10Y’s experience

Engineering

Manufacturing

Supervising

1. Company Information

CEO

Machinery Basic Design

Electrical Basic Design

S/V for Installation & Test

Technical Sales(Colligation)

Project Management

Director

Organization

Machinery Detail Design

Electrical Detail Design

Construction Design for

Civil, Machinery and Electric

Machinery Manufacturing

Machinery Assembling

Management

Support Director

Q.A.

1. Company Information

CERTIFICATES

Holding Certificates

Professional Engineer Industry measurement control

Electrical Engineer

Engineer Electric Work

Engineer Machinery Design

Korea Construction Engineer (Special for Machinery)

Korea Construction Engineer (Special for Electric)

1. Company Information

CERTIFICATES

2. Business

Hot Rolling

Cold Rolling

Coating Line

STS/ Special

[Aux Equipment]

• Reduction Mill

• Skin Pass Mill

• Leveler

• Scale Breaker

• Process Entry/Eixt

• Recoiling Line

• Reheating Furnace

[Reduction Mill]

3. Technology

Reversing Mill

General Layout of RCM

3. Technology

Reversing Mill

Item

Development Items

Analyze CRM Process Design Tech. Control Tech.

Contents

○ RCM Theory

- Rolling Load & Power

- Program development

of Process analyze

○ Engineering

- Main specification

- Production capacity

- Drawing

○ Analyze of control

technology

- Drive control

- Program development

of equipment control

○ Pass Schedule

- Theoretical pass schedule

- Program development

of Pass schedule

○ Equipment design

- W/R & BUR

- Chock & Bearing

- Housing

- Roll position system

- Drive system

- Coolant system

○ Design tech. of

control

- Operating method

- Drive system control

- Threading, Speed,

Tension control

Result ▶ Completed the theory

of CRM Process

▶ Pass schedule

▶ Engineering

▶ Design standard

& Formula

▶ 3D Modeling

▶ Completed of

drive control logic

Development Items

3. Technology

Reversing Mill

Process Analysis & Pass Schedule Program

3. Technology

Reversing Mill

3D-Modeling

Previous interference check between equipment & Minimize design error

through 3D-Modeling

3. Technology

Reversing Mill

RCM Control Function (AGC)

3. Technology

Advanced exclusive Roll Force Controller

High precision position and pressure control

Reflect accumulated rich experience and know-how

Skin Pass Mill

High Precision Roll Force System

3. Technology

Fast roll change system for attainment of line’s production schedule

Secure enough space for smooth material flow and maintenance

Skin Pass Mill

0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9

1 Push up cylinder Master off (Short open position) 0.0 4.0

2 Push up cylinder Quick open 4.0 8.9

3 Lower BUR Drive stop 8.9 14.9

4 Anti-crimping roll Quick open 4.0 19.2

5 Upper BUR Drive stop 19.2 25.2

6 Crown in & balance Down 25.2 29.8

7 WR keeper plate Open 29.8 31.7

8 Push-pull car Forward (low speed) 31.7 35.2

9 Push-pull car Forward (high speed) 35.2 45.8

10 Push-pull car Forward (low speed) 45.8 47.4

11 Push-pull car Hook close 47.4 49.3

12 Push-pull car Backward (low speed) 49.3 52.8

13 Push-pull car Backward (high speed) 52.8 63.4

14 Push-pull car Backward (low speed) 63.4 65.0

15 Push-pull car Hook open 65.0 66.9

16 Side Shifting Car Backward 66.9 72.7

17 Push-pull car Hook close 72.7 74.6 CRITICAL PATH

18 Upper BUR Clamp Cylinder down 65.0 67.3 FREE FLOAT

19 Pass Line Adjust Worm jack drive 67.3 127.3

20 Upper BUR Clamp Cylinder up 127.3 129.6

21 Push-pull car Forward (low speed) 129.6 133.2

22 Push-pull car Forward (high speed) 133.2 143.8

23 Push-pull car Forward (low speed) 143.8 145.3

24 Push-pull car Hook close 145.3 147.2

25 WR keeper plate Close 147.2 149.1

26 Crown in & balance Up 149.1 153.7

27 Push up cylinder Close to Middle open pos. 153.7 164.9

28 Lower BUR Accelerate 164.9 170.9

29 Upper BUR Accelerate 153.7 159.7

30 Anti-crimping roll Up 159.7 171.7

31 Push up cylinder Close to short open pos. 171.7 176.3

32 Push up cylinder Close for rolling start(kiss) 176.3 180.3

1500 50 100No Equipment Activity Description Start Finish

Compact Roll Change System

3. Technology

Optimal operation data through flat rolling theory simulation program and

regression analysis of accumulated operation data

Skin Pass Mill

Width U.T1 T1 U.T2 T2 U.T3 T3 U.T5 T5 U.T6 (T6) kg/mmw .800

~1000

w .1000

~1200

w .1200

~1550

w .1550

~1860Ext.1 Ext.2 A.C.B A.C.S

≤30 ≤ 0.5 1900 1.69 1606 5.04 4788 6.05 5748 7.96 7562 1.33 1264 0.40 371.0 15 15 20 20 47 47 0.50 6.46 6.46 5.79 5.79

≤30 ≤ 0.7 1900 1.62 2155 4.84 6437 5.80 7714 7.78 10347 1.28 1702 0.60 353.5 10 15 20 20 46 46 0.50 6.42 6.42 5.23 5.23

≤30 ≤ 0.9 1900 1.54 2633 4.64 7934 5.56 9508 7.58 12962 1.24 2120 0.60 350.0 10 15 20 20 45 45 0.50 6.38 6.38 4.66 4.66

≤30 ≤ 1.1 1900 1.46 3051 4.37 9133 5.24 10952 7.33 15320 1.17 2445 0.60 318.7 10 15 15 20 44 44 0.50 6.30 6.30 3.73 3.73

≤30 ≤ 1.3 1900 1.37 3384 4.09 10102 4.91 12128 7.08 17488 1.12 2766 0.60 299.1 10 15 15 20 42 42 0.50 6.26 6.26 3.36 3.36

≤30 ≤ 1.5 1900 1.28 3648 3.82 10887 4.58 13053 6.83 19466 1.05 2993 0.60 287.7 10 15 15 20 40 40 0.50 6.22 6.22 2.99 2.99

≤30 ≤ 1.7 1900 1.18 3811 3.55 11467 4.26 13760 6.58 21253 0.99 3198 0.60 278.7 10 15 15 20 38 38 0.50 6.14 6.14 2.44 2.44

≤30 ≤ 1.9 1900 1.12 4043 3.33 12021 3.99 14404 6.37 22996 0.95 3430 0.60 271.2 10 15 15 15 37 37 0.50 6.10 6.10 2.26 2.26

≤30 ≤ 2.1 1900 0.97 3870 2.88 11491 3.45 13766 5.95 23741 0.84 3352 0.60 268.4 10 15 15 15 36 36 0.50 6.06 6.06 2.09 2.09

≤30 ＞2.1 1900 0.88 3846 2.66 11624 3.18 13897 5.75 25128 0.81 3540 0.60 264.3 10 10 15 15 36 36 0.50 5.98 5.98 1.92 1.92

≤35 ≤ 0.5 1900 1.74 1653 5.20 4940 6.24 5928 8.21 7800 1.37 1302 0.25 431.5 15 20 20 25 47 47 0.50 7.75 7.75 7.64 7.64

≤35 ≤ 0.7 1900 1.67 2221 4.99 6637 5.98 7953 8.02 10667 1.32 1756 0.40 394.3 15 15 20 25 46 46 0.50 7.73 7.73 7.08 7.08

≤35 ≤ 0.9 1900 1.59 2719 4.78 8174 5.73 9798 7.81 13355 1.28 2189 0.40 391.1 15 15 20 25 45 45 0.50 7.70 7.70 6.51 6.51

≤35 ≤ 1.1 1900 1.51 3156 4.50 9405 5.40 11286 7.56 15800 1.21 2529 0.40 354.4 15 15 20 20 44 44 0.50 7.68 7.68 6.05 6.05

≤35 ≤ 1.3 1900 1.41 3483 4.22 10423 5.06 12498 7.30 18031 1.15 2841 0.40 332.9 15 15 20 20 42 42 0.50 7.65 7.65 5.58 5.58

≤35 ≤ 1.5 1900 1.32 3762 3.94 11229 4.72 13452 7.04 20064 1.08 3078 0.40 318.5 15 15 20 20 40 40 0.50 7.60 7.60 4.84 4.84

≤35 ≤ 1.7 1900 1.22 3941 3.66 11822 4.39 14180 6.78 21899 1.02 3295 0.40 307.2 15 15 20 20 38 38 0.50 7.55 7.55 4.29 4.29

≤35 ≤ 1.9 1900 1.15 4152 3.43 12382 4.11 14837 6.57 23718 0.98 3538 0.40 298.2 15 15 15 20 37 37 0.50 7.50 7.50 3.94 3.94

≤35 ≤ 2.1 1900 1.00 3990 2.97 11850 3.56 14204 6.13 24459 0.87 3471 0.40 294.5 15 15 15 20 36 36 0.50 7.48 7.48 3.85 3.85

≤35 ＞2.1 1900 0.91 3977 2.74 11974 3.28 14334 5.93 25914 0.83 3627 0.40 290.1 10 15 15 20 36 36 0.50 7.45 7.45 3.77 3.77

Skin pass mill

IntermeshA-C.B.

Height

㎜

Line Unit Tension (㎏/㎟)

A-climp

height

㎜

elong

%

Roll forceelong

%

Strip Spec.

Strip sizeYp

kg/㎟ Thick

TLVSPM

Tension leveler

Bender force, %

Offer optimal Operation Data

3. Technology

Leveler

4Hi-3Unit 6Hi-3Unit

6Hi-4Unit Multi-Roller Unit

Supply optimized equipment corresponding to customer’s needs

3. Technology

Leveler

No-Chattering Quality

Stable

Tension

Control

Vibration-Free

Tension

Leveler

Contact Condition between Roll

- Maximum Clearance : 0.04 mm

- Proportion of “Zero" Clearance

: More than 80%

No-Chattering Technology

3. Technology

Leveler

Safety and convenient roll management through simple and fast roll change system

Easy Roll Change & Maintenance

3. Technology

Process Entry/Exit Equipment

Supply compact equipment to meet customer’s needs

Space minimize & Cost down through supplying compact equipment

Supply compact equipment to meet customer’s needs

3. Technology

Recoiling Line

Hot Rolling , Cold Rolling, STS Finishing Line

Supply compact equipment to meet customer’s needs

Space minimize & Cost down through supplying compact equipment

Space minimize & Cost down through compact facilities

Energy Saving through compact design considering improvement of thermal efficiency

Reheating Furnace

3. Technology

Eco-Reheating Furnace

Factory [Gimhae]

4. Factory

주소 : 경남 김해시 진례면 고모로 450-41

MACHINE (CNC PLANO MILLER)

4. Factory

SPECIFICATIOM

X : 10,500

Y : 4,050

Z : 4,000

CAPACITY : 60 TON

MACHINE (CNC BORING MACHINE)

4. Factory

SPECIFICATIOM

X : 30,000

Y : 4,500(A Boring)

Y : 6,000 (B Boring)

W : 800

Z : 1,100

TWO COLUMN TYPE

ROTARY TABLE(3000x4000)

CAPACITY : 80 TON

MACHINE (OVER HEAD CRANE)

4. Factory

SPECIFICATIOM

150/80 TON (1ea)

30/30 (1ea)

INSPECTION EQUIPMENT

4. Factory

No. Inspection Equipment Q’ty Remarks

1 Inside Micrometer 2

2 Vernier Calipers 3

3 Dial Gauge 6

4 Precision Level Gauge 3

5 Infrared Thermometer 2

6 Noise Measuring Apparatus 1

5. Supply List

Project Equipment Specification Delivery Remarks

DKC Plate Leveler Leveler 4Hi-Plate Leveler, Dry type ‘15.08

POSCO G7CGL SPM/TLV 4Hi-SPM 1200Ton, 6Hi-2Units TL ‘16.05

POSCO G7CGL C/Tower Cooling Tower ‘16.05

POSCO G3CGL Leveler 6Hi-4Units, Wet Type ‘15.09

POSCO G2POL P/Roll Pressure Roll, Hydraulic type ‘15.12

POSTECH CRM CRM 6Hi-RCM, 150Ton, Screw Down type ‘16.03

POSCO G3H FM Looper 6-Units(F1~F6), Hydraulic type ‘17.10

POSCO G3POL SCB 4Hi-3Units Scale Breaker, Wet type ‘16.09

POSCO C&C 1CGL Shear Double Cut Shear ’16.09

POSCO C&C 1CGL Hydraulic Hydraulic Unit ‘16.09

POSCO 1EGL Leveler 6HI-4Units, 1.3Giga Multi Leveler ‘16.09

POSTECH HRM HRM 4H-HRM, 150Ton, Screw Down type ‘17.01

J)UACJ FCL Leveler 6Hi-Roller Leveler for AL ‘17.05 JAPAN

5. Supply List

Project Equipment Specification Delivery Remarks

POSCO P1H Mill Drive RM,FM,DC Drive Unit, Lub’ System, Coolant ‘17.06

POSCO P2H Mill Drive RM Drive Unit, Coolant Design ‘18.02

POSCO G3H Mill Drive FM,FSB Drive Unit, Coupling Design(3D) ‘17.10

POSCO G3-2CAL Drive CAL Motor Drive Unit ‘17.10

DKC Plate Leveler Leveler Top Screw Worm Wheel ‘17.06

DKC Furnace Furnace Lifting Bar ‘17.07

POSCO G3-2CAL Furnace Tension Meter ‘17.09

DK Steel EGL Leveler ACB Unit Cassette ‘17.08

DK Steel 3CCL Leveler 6Hi-4Units, Dry type ‘17.12

POSCO G3H Furnace Furnace COG fuel conversion ’17.11

POSCO C&C 2CGL POR Multi-Position Mandrel (Φ508/610) ‘18.05

POSCO C&C 2CGL TR Belt Wrapper ‘18.05

POSCO Mg. Mill Mill Roll Force System ‘18.05

5. Supply List

5. Supply List

DKC Leveler

5. Supply List

POSCO G7CGL SPM & TL

4H-Wet Type SKIN PASS MILL

6Hi-2Unit TENSION LEVLER

5. Supply List

POSCO G7CGL Cooling Tower

4. Supply List

POSCO G3CGL Tension Leveler

5. Supply List

POSTECH 6-Hi Reverse Cold Mill

5. Supply List

POSTECH 4-Hi Hot Roughing Mill

5. Supply List

POSCO G3H FM Looper

5. Supply List

POSCO G1EGL Tension Leveler

5. Supply List

JAPAN) UACJ FCL Roller Leveler

5. Supply List

DK Steel 3CCL Tension Leveler

5. Supply List

Promise to Our Customer

■ Have the technology to cope with various needs of customers. - Supplied POSCO SPM & Tension Leveler for Giga-High tension steel.(2016.5) - Exported Roller Leveler for Thin Aluminum to JAPAN UACJ (2017.5)

■ Developed of Defect Prediction System based on Big-data and AI. - Supply “Smart-SPM & Leveler” to POSCO CGL factory (2018.03)

■ Promise After Service. - Responsible for Equipment Diagnosis and Improvement (for 2 years)

“To the World, To the Future with our Customer”