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List of High-Frequency Heat Treatment Facilities in Busan Plant

Order Busan Plant Capacity x Frequency Specifications
Oscillating Body Type Oscillating Body Type
1 Induction Heater Unit 1 120kW × 30kHz Vacuum Tube Elevator
2 Induction Heater Unit 2 150kW × 100kHz Vacuum Tube Elevator
3 Induction Heater Unit 3 120kW × 80kHz Vacuum Tube Elevator
4 Induction Heater Unit 4 150kW × 8kHz IGBT Semiconductor Elevator
5 Induction Heater Unit 5 100kW × 50kHz IGBT Semiconductor Turn Table
6 Induction Heater Unit 6 100kW × 35kHz IGBT Semiconductor Turn Table
7 Induction Heater Unit 7 100kW × 35kHz IGBT Semiconductor Turn Table
8 Induction Heater Unit 8 150kW × 30kHz IGBT Semiconductor Elevator
9 Induction Heater Unit 9 150kW × 15kHz IGBT Semiconductor Elevator
10 Induction Heater Unit 10 100kW × 100kHz IGBT Semiconductor Elevator
11 Induction Heater Unit 11 30kW × 130kHz IGBT Semiconductor Turn Table
12 Induction Heater Unit 12 30kW × 150kHz IGBT Semiconductor Turn Table
13 Induction Heater Unit 13 30kW × 120kHz IGBT Semiconductor Turn Table
14 Induction Heater Unit 14 100kW × 80kHz IGBT Semiconductor Turn Table
15 Induction Heater Unit 15 100kW × 50kHz IGBT Semiconductor Turn Table
16 Induction Heater Unit 16 30kW × 120kHz IGBT Semiconductor Turn Table
17 Induction Heater Unit 17 100kW × 50kHz IGBT Semiconductor Turn Table
18 Induction Heater Unit 18 30kW × 120kHz IGBT Semiconductor Elevator
19 Induction Heater Unit 19 100kW × 100kHz IGBT Semiconductor Turn Table
20 Induction Heater Unit 20 30kW × 150kHz IGBT Semiconductor Turn Table

List of High-Frequency Heat Treatment Facilities in Uiryeong Plant

Order Uiryeong Plant Capacity x Frequency Specifications
Oscillating Body Type Oscillating Body Type
1 Induction Heater Unit 1 100kW × 120kHz Vacuum Tube Elevator
2 Induction Heater Unit 2 100kW × 100kHz Vacuum Tube Elevator
3 Induction Heater Unit 3 100kW × 80kHz IGBT Semiconductor Turn Table
4 Induction Heater Unit 4 100kW × 80kHz IGBT Semiconductor Turn Table
5 Induction Heater Unit 5 100kW × 80kHz IGBT Semiconductor Turn Table
6 Induction Heater Unit 6 100kW × 80kHz IGBT Semiconductor Turn Table
7 Induction Heater Unit 7 150kW × 80kHz IGBT Semiconductor Turn Table
8 Induction Heater Unit 8 150kW × 80kHz IGBT Semiconductor Turn Table
9 Induction Heater Unit 9 150kW × 20kHz IGBT Semiconductor Turn Table
10 Induction Heater Unit 10 50kW × 120kHz IGBT Semiconductor Turn Table
11 Induction Heater Unit 11 100kW × 100kHz IGBT Semiconductor Elevator
12 Induction Heater Unit 12 150kW × 9kHz IGBT Semiconductor Elevator
13 Induction Heater Unit 13 150kW × 20kHz IGBT Semiconductor Elevator
14 Induction Heater Unit 14 50kW × 120kHz IGBT Semiconductor Elevator
15 Induction Heater Unit 15 100kW × 100kHz IGBT Semiconductor Turn Table
16 Induction Heater Unit 16 150kW × 20kHz IGBT Semiconductor Turn Table
17 Induction Heater Unit 17 150kW × 20kHz IGBT Semiconductor Elevator
18 Induction Heater Unit 18 150kW × 20kHz IGBT Semiconductor Elevator
19 Induction Heater Unit 19 150kW × 20kHz IGBT Semiconductor Turn Table
20 Induction Heater Unit 20 100kW × 50kHz IGBT Semiconductor Horizontal Heat Treatment
21 Induction Heater Unit 21 150kW × 20kHz IGBT Semiconductor Turn Table
22 Induction Heater Unit 22 100kW × 80kHz IGBT Semiconductor Turn Table
23 Induction Heater Unit 23 150kW × 20kHz IGBT Semiconductor Turn Table
24 Induction Heater Unit 24 100kW × 100kHz IGBT Semiconductor Elevator
25 Induction Heater Unit 25 100kW × 100kHz IGBT Semiconductor Elevator
26 Induction Heater Unit 26 30kW × 120kHz IGBT Semiconductor Turn Table

List of Heating Furnace Facilities

Order Capacity (kw) Number of Furnace Facilities
Plant 1 Plant 2
1 Large Size 1 2
2 Small and Medium Size 3 3
A Total Number of Furnace Facilities 4 5

Elevator Platform Type

Large Elevator (3,000 mm Max)

Large Elevator (3,000 mm Max)

[Description]High-frequency heat treatment equipment through descending transfer by mounting
and rotating a product using the vertical center, which is applicable up to 3,000 mm size

General Elevator (within 1,000 mm)

General Elevator (within 1,000 mm)

[Description]High-frequency heat treatment equipment using downward transfer by mounting and
rotating a product using the vertical center, which is applicable up to 1,000 mm size

Automated Turntable Workbench Type

General Type

General Type

[Description]The feeding, heating, cooling, and discharging and then high-frequency heat treatment of products are conducted in
the rotating jig of turn table, which boasts 3x or higher productivity and consistent quality than manual operation.

Non-Oxidation Heat Treatment

Non-Oxidation Heat Treatment

[Description]Induction heating is performed in the non-oxidized conditions to prevent oxidized scale on the surface

Automated Turntable Workbench Type

PISTOB ROD TYPE

PISTOB ROD TYPE

[Description]General high-frequency heat treatment is performed through
the descending transfer using the vertical center or stationary
heating, but it ensures continuity of operation by transferring
products in a horizontal manner.

PITCH RACK GUIDANCE TYPE

PITCH RACK GUIDANCE TYPE

[Description]General high-frequency heat treatment is performed in a manner
in which the high-frequency coil is mounted in a fixed CT-BOX
and heating targets move, but this equipment has a movable
CT-BOX for the high-frequency heat treatment.

Heating furnace

Heating furnace

Heating furnace

[Description]High-frequency heat treatment applies rapid heating and rapid cooling to a product, and stress remains on
the hardened part of the product, which displays high brittleness.
Apply toughness through tempering to prevent cracks in the product caused by brittleness.
The heating furnace is the facility to perform tempering.